ТВЕРДЫЕ ПОЛИУРЕТАНОВЫЕ ЭЛАСТОМЕРЫ, ОБЛАДАЮЩИЕ ПОНИЖЕННОЙ УСАДОЧНОСТЬЮ РАЗМЕРОВ

Изобретение относится к твердому полиуретановому эластомеру с низкой усадкой, используемому при производстве литых полиуретановых изделий путем реакционного литья под давлением, а также к способу его получения. Данный эластомер содержит продукт взаимодействия (А) полиизоцианатного форполимера с содержанием от 10 до 30% изоцианатных групп с (Б) реакционноспособным относительно изоцианата компонентом в присутствии (В) одного или нескольких катализаторов. Компонент (А) содержит продукт реакции полиизоцианата, имеющего изоцианатную функциональность от около 2 до около 2,5, с реакционноспособным относительно изоцианата компонентом, имеющим молекулярную массу менее 1000 и гидроксильную функциональность от около 2 до около 4. Компонент (Б) содержит, мас.% в расчете на 100% общей массы (Б)(1), (Б)(2) и (Б)(3): (1) от около 80 до около 90, по меньшей мере, одного реакционноспособного относительно изоцианата компонента, имеющего функциональность от около 2 до около 3, гидроксильное число от около ...

ВОДНАЯ ПОЛИУРЕТАНОВАЯ ДИСПЕРСИЯ, НЕ СОДЕРЖАЩАЯ N-МЕТИЛПИРРОЛИДОНА И РАСТВОРИТЕЛЕЙ, СПОСОБ ЕЕ ПОЛУЧЕНИЯ И ЕЕ ПРИМЕНЕНИЕ

Изобретение относится к водным полиуретановым дисперсиям. Техническая задача - получение не содержащей N-метилпирролидона и растворителей полиуретановой дисперсии, содержащей в качестве гидрофилизующего средства диметилолпропионовую кислоту, которая способна храниться более 8 недель при 40°С и пригодна для получения прозрачных блестящих покрытий с высокой устойчивостью к воздействию красителей. Предложена водная полиуретановая дисперсия, не содержащая N-метилпирролидона и растворителей, включающая продукт взаимодействия смеси 1-изоцианато-3,3,5-триметил-5-изоцианатометилциклогексана и 4,4'-диизоцианатодициклогексилметана, одного или нескольких полиолов со средней молекулярной массой от 500 до 3000, одного или нескольких соединений по меньшей мере с одной ОН- или NH- функциональной группой, которые содержат карбоксильную и/или карбоксилатную группу, причем по меньшей мере 50% мол. введенной в общую смолу кислоты состоит из диметилолпропионовой кислоты, одного или нескольких полиолов и/или ...

ПОЛИИЗОЦИАНУРАТНЫЕ ПЕНЫ, СОДЕРЖАЩИЕ ДИСПЕРСНЫЕ НЕПОРИСТЫЕ ЧАСТИЦЫ ДИОКСИДА КРЕМНИЯ

Изобретение относится к полиизоциануратным и/или полиуретановым огнестойким пенам и к способам их получения. Композиция огнестойкой пены содержит частицы диоксида кремния и полиизоциануратную или полиуретановую пену. Частицы диоксида кремния получены из мезопористой ячеистой пены, имеющей объем пор более 2,0 см/г и площадь поверхности более 400 м/г. Обеспечивается повышение тепло- и/или огнестойкости полиизоциануратных и/или полиуретановых пен. 3 н. и 12 з.п. ф-лы, 6 табл.

СПОСОБ ПОЛУЧЕНИЯ ПОЛИДИЕНОВ И ПОЛИДИЕНОВЫХ СОПОЛИМЕРОВ С ПОНИЖЕННОЙ ТЕКУЧЕСТЬЮ НА ХОЛОДЕ

Изобретение относится к способам связывания полидиеновых (со)полимеров. Способ получения связанного полимера включает стадии: (i) полимеризацию сопряженного диенового мономера и, необязательно, сополимеризуемого с ним мономера с получением полимера, содержащего реакционноспособную концевую группу; (ii) взаимодействие реакционноспособной концевой группы полимера с полиизоцианатом, количество функциональных групп которого составляет X, с получением промежуточного полимерного продукта, и (iii) взаимодействие указанного промежуточного полимерного продукта с полиолом, количество функциональных групп которого составляет Y, с получением связанного полимерного продукта, где X+Y≥5. Заявлен также связанный полимер и компонент шины. Технический результат – полученные полимеры проявляют большую устойчивость к текучести на холоде, имеют хорошие технологические свойства отвержденных смесей. 3 н. и 15 з.п. ф-лы, 4 табл.

СПОСОБ УЛУЧШЕНИЯ ПРОЧНОСТИ ПОЛИИЗОЦИАНАТНЫХ ПРОДУКТОВ РЕАКЦИИ ПОЛИПРИСОЕДИНЕНИЯ

Настоящее изобретение относится к способу улучшения прочности полиизоцианатных продуктов реакции полиприсоединения. Способ включает взаимодействие при изоцианатном индексе не менее 100 изоцианатов и реакционноспособных в отношении изоцианатов соединений и необязательно каталитических соединений и пенообразующих веществ. Указанные реакционноспособные в отношении изоцианатов соединения включают 1-20 мас.ч. соединений, выбираемых из полиолов, являющихся производными димерных жирных кислот. Содержание жестких блоков полиизоцианатных продуктов реакции полиприсоединения составляет не менее 40%. Полиизоцианатные продукты, полученные указанным способом, обладают улучшенной прочностью, имеют содержание жестких блоков больше 40% и температуру стеклования больше 80°С. 2 н. и 13 з.п. ф-лы, 2 табл., 6 пр.

ФОРПОЛИМЕР ИЗ ДИИЗОЦИАНАТОВ И ТЕРМИНИРОВАННЫХ ФОРМАМИДОМ ОЛИГОМЕРОВ, СПОСОБ ЕГО ПОЛУЧЕНИЯ И ЕГО ПРИМЕНЕНИЕ

Изобретение относится к новым форполимерам, которые получают из диизоцианатов и олигомеров, терминированных формамидом, а также к применению этих форполимеров. Форполимеры обладают следующей общей формулой Iв которой Rозначает остаток арилалкила, имеющий от 6 до 13 атомов углерода, или остаток алкилена, имеющий от 4 до 13 атомов углерода, n равно целому числу от 2 до 4, Х означает n-валентный органический остаток, предпочтительно остаток формулы IIв которой Y означает n-функциональный, насыщенный остаток, имеющий от 2 до 6 атомов углерода, n имеет указанное выше значение, Rозначает водород или метил, Rозначает водород или метил, m равно целому числу от 2 до 30, о равно 0 или 1, р равно 0, 1 или 2. Полученные форполимеры применяют для получения клеев, лаков, полиуретановых формованных изделий, полиуретановых пен и герметиков. Изобретение позволяет получить форполимеры с низкой вязкостью. 2 н. и 1 з.п. ф-лы, 1 табл., 2 пр.

КОМПОЗИЦИИ, ОТВЕРЖДАЕМЫЕ ИЗЛУЧЕНИЕМ

Настоящее изобретение относится к композиции для нанесения покрытия, отверждаемой излучением, содержащей по меньшей мере один олигомер, отверждаемый излучением, который содержит ненасыщенные группы с двойными связями, способные к полимеризации, в количестве по меньшей мере 0,3 мэкв/г и соответствует следующей структуре (I): (С)-(В)-(А)-[(В)(С)], где (А) представляет собой остаток одного или нескольких сложных полиэфиров с гидроксильными функциональными группами, обладающих молекулярной массой Mболее 900, температурой стеклования Ти/или температурой плавления Tменее 30°C, которые получают при использовании кислотного компонента, содержащего по меньшей мере 75 мол.% насыщенной алифатической многоосновной кислоты, имеющей от 4 до 14 атомов углерода и, опционально, от 0 до 25 мол.% другой многоосновной кислоты, а также спиртового компонента, (В) представляет собой остаток одного или нескольких полиизоцианатов, (С) представляет собой остаток одного или нескольких ненасыщенных соединений с двойными ...

ПОЛИУРЕТАНОВЫЙ СОСТАВ И ЕГО ПРИМЕНЕНИЕ ДЛЯ ПОЛУЧЕНИЯ ГОЛОГРАФИЧЕСКИХ СРЕД

... 1. Полиуретановый состав, включающий ! A) полиизоцианатный компонент, ! B) изоцианат-реакционноспособный компонент, включающий, меньшей мере, до 50 вес.%, в расчете на общую смесь B), полиэфирполиолов В1) со среднечисленными молекулярными весами больше 1000 г/моль, которые содержат одно или несколько оксиалкильных звеньев формул (I)-(III) ! -СН2-СН2-О- формула (I) -CH2-CH(R)-O- формула (II) -СН2-СН2-СН2О- формула (III) ! при этом R является алкильным или арильным остатком, который может быть замещен или прерван гетероатомами, ! C) соединения, которые содержат группы, реагирующие при действии актиничного излучения с этилен-ненасыщенными соединения с полимеризацией (отверждаемые излучением группы), и сами не содержат NCO-групп, ! D) стабилизаторы радикалов, ! E) фотоинициаторы, ! F) при необходимости, катализаторы, ! G) при необходимости, вспомогательные вещества и добавки. ! 2. Полиуретановый состав по п.1, отличающийся тем, что в A) используют полиизоцианаты и/или преполимеры, основанные ...

СПОСОБ ПОЛУЧЕНИЯ НИЗКОВЯЗКИХ ВОДОРАЗБАВЛЯЕМЫХ ПОЛИУРЕТАН (МЕТ)-АКРИЛАТОВ, ВОДОРАЗБАВЛЯЕМЫЕ ПОЛИУРЕТАН (МЕТ) АКРИЛАТЫ, СОДЕРЖАЩИЕ ИХ СРЕДСТВА ПОКРЫТИЯ, ПРИМЕНЕНИЕ СРЕДСТВ ПОКРЫТИЯ И ПОКРЫТЫЕ ИМИ ОСНОВЫ

... 1. Способ получения низковязких водоразбавляемых полиуретан(мет)акрилатов, отличающийся тем, что их можно получать путем взаимодействия следующих компонентов:(a) по меньшей мере одного или нескольких органических полиизоцианатов с двумя изоцианатными функциональными группами,(b) по меньшей мере одного полиоксиалкиленполиола на основе стартового реагента по меньшей мере с тремя гидроксильными функциональными группами в молекуле, причем полиоксиалкиленполиол подвергнут частичному превращению путем этерификации (мет)акриловой кислотой, в результате которого в нем остается в среднем от 0,2 до 1,5 гидроксильных функциональных групп,(d) по меньшей мере одного соединения, содержащего по меньшей мере одну реакционноспособную по отношению к изоцианатам группу и по меньшей мере одну ионную и/или потенциально ионную функциональную группу,причем продукт взаимодействия указанных компонентов содержит менее 0,5% изоцианатных групп и, причем в качестве исходного соединения не используют компоненты, выбранные ...

ТВЕРДЫЕ ПОЛИУРЕТАНОВЫЕ ЭЛАСТОМЕРЫ, ОБЛАДАЮЩИЕ ПОНИЖЕННОЙ УСАДОЧНОСТЬЮ РАЗМЕРОВ

... 1. Твердый полиуретановый эластомер с низкой усадкой, содержащий продукт реакции: (А) по меньшей мере, одного изоцианатного компонента, имеющего изоцианатную функциональность от около 2 до около 2,5, или его форполимера, причем этот форполимер представляет собой продукт реакции изоцианата с реакционноспособным относительно изоцианата компонентом, имеющим молекулярную массу менее 1000 и гидроксильную функциональность от около 2 до около 4; с (Б) реакционноспособным относительно изоцианата компонентом, содержащим (1) от около 75 мас.% до около 90 мас.%, в расчете на 100% общей массы (Б)(1), (Б)(2) и (Б)(3), по меньшей мере, одного реакционноспособного относительно изоцианата компонента, имеющего функциональность от около 2 до около 3, гидроксильное число от около 28 до около 35, молекулярную массу от около 4000 до около 6000 и содержащего менее 17 мас.% окиси этилена как внешней основы; (2) от около 4 мас.% до около 25 мас.%, в расчете на 100% общей массы (Б)(1), (Б)(2) и (Б)(3), удлинителя ...

СПОСОБ ПОЛУЧЕНИЯ ПОЛИМЕРНОГО ПОЛИОЛА

ПОЛИУРЕТАНОВЫЕ СИСТЕМЫ, ИМЕЮЩИЕ ОТСУТСТВИЕ ОСЕДАНИЯ, СПОСОБНОСТЬ ОКРАШИВАТЬСЯ, И БЕЗГРУНТОВОЧНУЮ АДГЕЗИЮ НА БЕТОН

... 1. Строительный герметик или адгезив, состоящий из двух частей, включающий компонент основы Части А и компонент активатора Части В, где по меньшей мере одна из Части А или Части В содержит эпоксисилан, и по меньшей мере одна из Части А или Части В содержит соединение меламина;Часть А, включающая:полиол; инеобязательно эпоксисилан и/или соединение меламина; иЧасть В, включающая:преполимерный продукт реакции, включающий остаточные группы ксиленола или ксиленола и добавочного полиола, и полимерного изоцианата или ароматического диизоцианата или полимерного изоцианата и ароматического диизоцианата;необязательно эпоксисилан и/или соединение меламина; и необязательно, где Часть А дополнительно включает пластификатор; также необязательно, где Часть В дополнительно включает, по меньшей мере, один эпоксисилан или смесь, по меньшей мере, одного эпоксисилана и по меньшей мере, одного соединения меламина.2. Герметик или адгезив по п. 1, где герметик или адгезив проявляет, по меньшей мере, одну адгезию ...

СПОСОБ УЛУЧШЕНИЯ ПРОЧНОСТИ ПОЛИИЗОЦИАНАТНЫХ ПРОДУКТОВ РЕАКЦИИ ПОЛИПРИСОЕДИНЕНИЯ

ПОЛИУРЕТАНМОЧЕВИНА И СПОСОБ ЕЕ ПОЛУЧЕНИЯ

Настоящее изобретение относится к полиуретанмочевинам, которые могут применяться в качестве заменителей стекла, например в качестве прозрачных крыш, ветровых, задних или боковых стекол в автомобилях или самолете, в оптических областях, таких как линзы для офтальмологического применения и т.п., а также к способам их получения. В одном варианте полиуретанмочевина содержит продукт реакции: (А) по меньшей мере, одного (цикло)алифатического полиизоцианатного форполимера, имеющего содержание NCO групп от около 4 до около 50% и среднюю функциональность от около 2 до около 3, представляющего собой продукт реакции (1) по меньшей мере, одного (цикло)алифатического полиизоцианата и (2) по меньшей мере, одного органического соединения, которое содержит, по меньшей мере, около двух гидроксильных групп и имеет молекулярную массу от около 100 до около 4000; с (В) изоцианат-реактивным компонентом, содержащим: (1) одно или более соединений ароматического диамина, содержащих две первичные ароматические аминные ...

НАПЫЛЯЕМОЕ ЗАЩИТНОЕ ПОКРЫТИЕ НА ОСНОВЕ ПОЛИУРЕТАНА

ПОЛИУРЕТАНОВЫЕ КОМПОЗИЦИИ И СПОСОБЫ ИХ ПРИМЕНЕНИЯ

ДИСПЕРСИОННЫЕ АДГЕЗИВЫ II

... 1. Водная полиуретан-полиуретанмочевинная дисперсия на основе ! A) одного или более ди- или более высокофункциональных полиола(ов), имеющих среднюю молекулярную массу от 400 до 5000 Дальтон, ! B) при необходимости одного или более ди- или более высокофункциональных полиоловых компонента(ов), имеющих молекулярную массу от 62 до 399 Дальтон, ! C) одного или более соединения(ий), монофункциональных в случае реакции полиприсоединения изоцианатов, и которые имеют содержание этиленоксида по меньшей мере 50 мас.% и молекулярную массу по меньшей мере 400 Дальтон, ! D) одного или более ди- или полиизоцианатного компонента(ов), а также ! Е) смеси Е) первичных и/или вторичных моноаминосоединений Е1) и первичных и/или вторичных диаминосоединений Е2), ! отличающаяся тем, что по меньшей мере один из компонентов Е1) и/или Е2) содержит сульфонатные и/или карбоксилатные группы, а средняя аминная функциональность смеси Е) составляет от 1,65 до 1,98, а также эквивалентное соотношение NCO-групп в NCO-форполимере ...

ПРОСТЫЕ ПОЛИЭФИРЫ СЛОЖНЫХ ПОЛИЭФИРПОЛИОЛОВ И ИХ ПРИМЕНЕНИЕ ДЛЯ ПОЛУЧЕНИЯ ЖЕСТКИХ ПЕНОПОЛИУРЕТАНОВ

... 1. Простой полиэфир сложного полиэфирполиола, содержащий продукт взаимодействияа1) от 5 до 63 мас.% одного или нескольких полиолов или полиаминов или их смеси со средней функциональностью от 2,5 до 8,а2) от 2 до 50 мас.% одной или нескольких жирных кислот, сложных моноэфиров жирных кислот или их смеси,а3) от 35 до 70 мас.% одного или нескольких алкиленоксидов с числом атомов углерода от 2 до 4.2. Простой полиэфир сложного полиэфирполиола по п. 1, отличающийся тем, что полиолы или полиамины компонента а1) выбирают из группы, состоящей из сахаров, пентаэритрита, сорбита, триметилолпропана, глицерина, толуилендиамина, этилендиамина, этиленгликоля, пропиленгликоля и воды.3. Простой полиэфир сложного полиэфирполиола по п. 2, отличающийся тем, что компонент а1) содержит смесь из глицерина и сахарозы.4. Простой полиэфир сложного полиэфирполиола по п. 2, отличающийся тем, что компонент а2) содержит олеиновую кислоту, стеариновую кислоту, пальмитиновую кислоту, линоленовую кислоту, их сложные моноэфиры ...

СПОСОБ ПОЛУЧЕНИЯ ПОЛИДИЕНОВ И ПОЛИДИЕНОВЫХ СОПОЛИМЕРОВ С ПОНИЖЕННОЙ ТЕКУЧЕСТЬЮ НА ХОЛОДЕ

... 1. Способ получения связанного полимера, включающий стадии:(i) полимеризации мономера с получением реакционноспособного полимера;(ii) взаимодействия указанного реакционноспособного полимера с полиизоцианатом, количество функциональных групп которого составляет X, с получением промежуточного полимерного продукта; и(iii) взаимодействия указанного промежуточного полимерного продукта с полиолом, количество функциональных групп которого составляет Y, с получением связанного полимерного продукта, где X+Y≥5.2. Способ по п. 1, где X≥2 и Y≥2.3. Способ по п. 1, отличающийся тем, что полиизоцианат представляет собой диизоцианат или триизоцианат.4. Способ по п. 1, отличающийся тем, что полиизоцианат представляет собой диизоцианатогидрокарбил и полиол представляет собой триол или полиол, содержащий четыре или более гидроксильных групп.5. Способ по п. 1, отличающийся тем, что полиизоцианат представляет собой триизоцианатогидрокарбил и полиол представляет собой диол, триол или полиол, содержащий четыре ...

Verfahren zur Herstellung von Polyurethanschaumstoffen

Verfahren zur Herstellung teilvernetzter, thermoplastischer Massen auf der Grundlagevon Polymerisaten

Wässrige PUR-Dispersionen mit verbesserter Haftung

Die Erfindung betrifft neue wässrige Polyester-Polyurethan-Dispersionen, Beschichtungsmittel, enthaltend diese Dispersionen sowie die daraus hergestellten Lacke.

VERFAHREN ZUR HERSTELLUNG EINER FLUESSIGEN, LAGERUNGSSTABILEN POLYISOCYANATMASSE

Verfahren zur Herstellung von kompakten oder zelligen Polyurethan-Elastomeren und hierfür geeignete Isocyanatpräpolymere

The invention concerns a method of preparing compact and preferably cellular polyurethane elastomers by reacting a) high molecular polyhydroxyl compounds and optionally b) low molecular chain-extending and/or crosslinking agents with c) 1,5-naphthylene diisocyanate and at least one additional aromatic diisocyanate, selected from the group comprising toluylene diisocyanate, diphenylmethane diisocyanate, 3,3'-dimethyl diphenyl diisocyante, 1,2-diphenylethane diisocyanate and phenylene diisocyanate, and/or aliphatic diisocyanate with between 4 and 12 carbon atoms and/or cycloaliphatic diisocyanate with between 6 and 18 carbon atoms, the structural components (a), (c) and optionally (b) advantageously being reacted by the prepolymer method, in the presence or absence of d) catalysts, e) expanding agents and f) additives. The invention further concerns isocyanate prepolymers suitable for this method.

POLYMER COMPOSITIONS

... 1439618 Thermally-reversible vulcanizates MONSANTO Ltd 2 April 1974 [25 April 1973] 19563/73 Heading C3P Thermally-reversible vulcanizates are obtained by reacting (1) a polymer having amino groups of formula -NHR1, wherein R1 is hydrogen or an aliphatic or cycloaliphatic group, attached to non-aromatic carbon atoms of polymer chains or to non-aromatic carbon atoms of groups pendant from polymer chains, with (2) a polyisothiocyanate of formula B(NCS) n+1 , wherein R is an organic radical to which the nitrogen atom of each isothiocyanate group is attached at a non-aromatic carbon atom, and (n + 1) is the valency of R. The products have polymer chains cross-linked or chainextended by units of formula The process is conducted under conditions which avoid permanent cross-linking, i.e. absence of free-radical generators and of sulphur-containing vulcanizing agents. In the examples, liquid polybutadienes containing nitrile groups are prepared by polymerizing butadiene in the ...

ALPHA EPSILON ALKANE DIISOCYANATES AND THEIR USE IN POLYURETHANE PRODUCTION

Cellular polyurethanes

A process for the preparation of polyurethane foam comprises reacting an organic polyisocyanate with an organic compound having at least two active hydrogen atoms which are reactive with an -NCO group, the organic compound having a molecular weight of at least 500, the foaming being carried out by means of a blowing agent and in the presence of one or more compounds of the general formulae: and in which R is an alkyl radical containing from 1 to 5 carbon atoms, R1 and R11 which may be the same or different are hydrogen atoms or alkyl radicals containing from 1 to 5 carbon atoms, x is a whole number greater than 3, y is a whole number greater than 2, z is 0 or a whole number from 1 to 6 and n is an integer from 3 to 4. The organosiloxyalkyl ethers used can be prepared by the method described in Specification 944,684. As organic compounds having at least two reactive hydrogen atoms there are specified hydroxypolyesters; polyalkylene ethers such as condensation ...

Isomers of 4,4' -methylene-bis-(cyclohexyl-isocyanate)

... 1,135,890. 4,41-Methylene-bis-(cyclohexylisocyanate). E. I. DU PONT DE NEMOURS & CO. 14 Dec., 1965 [14 Dec., 1964], No. 49684/67. Divided out of 1,115,789. Heading C2C. The invention comprises a mixture of 4,41- methylene - bis - (cyclohexylisocyanate) isomers, containing by weight about 80% of the trans-trans isomer, 3-4% of the cis-cis isomer and 16-17% of the cis-trans isomer. The mixture may be prepared by phosgenation of the corresponding mixture of 4,41-methylenebis-(cyclohexylamine) isomers or by mixing together 4,41-methylene-bis-(cyclohexylisocyanate) isomers in the desired proportions.

PROCEDURE FOR THE PRODUCTION FROM PIPA POLYOLEN TO THE PRODUCTION OF HIGH ELASTIC PU SOFT FOAM MATERIALS

THERMOPLASTIC PU AND THEIR USE

SICHERHEITSGLASSCHEIBE, PLASTIC FOIL HIEFUER AND PROCEDURE FOR THEIR PRODUCTION

STORABLE POLYISOCYANTE

N-METHYLPYRROLIDON-FREE PU DISPERSIONS ON BASIS OF DIMETHYLOLPROPIONSÄURE

SCHMELZKLEBELACKLOESUNG FOR HEATPROOF COATINGS.

PROCEDURE FOR THE PRODUCTION AND USE OF A SPRAYINGCASH LIGHT-RESISTING PU.

PROCEDURE FOR THE PRODUCTION OF PU HARD AERATED PLASTICS WITH SMALL HEAT CONDUCTIVITY

PROCEDURE FOR THE PRODUCTION OF CELLULAR PU ELASTOMERS AND FOR THIS APTITUDE ISOCYANATPREPOLYMERE

PLASTIC LENSES HAVING A HIGH-REFRACTING INDEX AND PROCESS FOR THE PREPARATION THEREOF

PLASTIC LENS MADE FROM POLYISOTHIOCYANATE

Amphiphilic block copolymers and their use

Method for the discontinuous production of flexible, open-cell polyurethane foams

POLYTHIOCARBAMATE LENSE MATERIAL

NANOPARTICLE-MODIFIED POLYISOCYANATES

The present invention relates to nanoparticle-modified polyisocyanates that are modified by a special siloxane component and therefore have improved properties for the use thereof and improved storage stability.

CYCLOHEXANEDIMETHANOL/DIAMINE MIXTURES AS RIM EXTENDERS

Polyurethane-polyurea polymers are disclosed that are derived from the reaction injection molding of organic polyisocyanates, optional high molecular weight active hydrogen containing compounds and extender mixtures comprising (i) aromatic diamines wherein at least one of the positions ortho to each amine group is substituted by a lower alkyl group and (ii) bis(hydroxyalkyl)cycloalkanes. The improved polymers have excellent resistance to high temperature conditions. Also disclosed are the blends of both the extender mixtures and the latter with the optional high molecular weight active hydrogen containing compounds which are particularly useful for the preparation of the above polymers.

INTEGRAL REINFORCED STRUCTURES AND METHOD

BLOCKED ISOCYANATES AND METHOD OF MAKING AND USING THE SAME

Disclosed herein are novel blocked isocyanate curing agents prepared by reacting meta-xylylene diisocyanate with a select group of ketoximes and curable compositions containing the same.

AQUEOUS POLYURETHANE MICROGEL DISPERSION

The invention describes a method of forming a stable aqueous polyurethane microgel dispersion comprising preparing an oil phase comprising a gel-forming polyol and an isocyanate in approximately stoichiometric proportion by blending the polyol and isocyanate for a time, less than the gel time of the polyol and isocyanate, thereby forming a homogeneous flowable liquid mixture; providing a water phase comprising a surfactant dispersed in water; combining the water phase with the oil phase flowable liquid mixture and subjecting the combined water and oil phases to high shear agitation to form an aqueous emulsion of micro-size droplets of the oil phase flowable mixture in water; and agitating the emulsion for a time sufficient for the micro-size droplets to polymerize, forming a stable aqueous suspension of solid polyurethane micro-size gel particles. The resultant aqueous suspension of solid polyurethane micro-sized gel particles is substantially free of isocyanate monomer, and is a shelf-stable ...

A PROCESS FOR THE PRODUCTION OF RIGID AND SEMI-RIGID FOAMS WITH LOW AMOUNTS OF DIISOCYANATE USING POLYMER POLYOLS CHARACTERIZED BY HIGH SOLIDS AND A HIGH HYDROXYL NUMBER AND THE RESULTANT FOAMS

This invention relates to a process for the production of rigid and semi- rigid foams at low isocyanate levels, and to the foams produced by this proc ess. The process comprises reacting a polyisocyanate component with an isocy anate-reactive component, in the presence of at least one blowing agent, at least one surfactant and at least one catalyst. Suitable isocyanate-reactive components are characterized as having a solids content of at least 40 % by weight, and an overall hydroxyl number of the remaining liquid, non-solids portion of at least 160. In addition, the isocyanate-reactive component comp rises at least 50 % by weight of a polymer polyol having a solids content of at least 30 % by weight and in which the base polyol has a hydroxyl number of at least 75.

POLYISOCYANATES CONTAINING ALLOPHANATE AND SILANE GROUPS

The invention relates to polyisocyanates containing allophanate groups and silane groups, to a process for preparing them and to their use as a starting component in the production of polyurethane polymers, more particularly as a crosslinker component in polyurethane paints and coatings.

ALDEHYDE SCAVENGERS FOR POLYURETHANE FOAMS

A polyurethane composition comprising an aldehyde scavenger, a polyurethane product, and a process for making polyurethane foam are disclosed. The scavenger compounds can reduce, if not eliminate, the emissions of aldehydes from polyurethane foams. The scavenger compounds comprise at least one member selected from the group consisting of: phenol or substituted phenol, a 1, 3-dicarbonyl compound, a polyamine bearing a 1, 3-propanediamino function, melamine, a 1, 2-diaminocycloalkane, an ammonium salt; a compound containing the bisulfite anion, titanium dioxide and aminosiloxane.

POLYESTER POLYOLS CONTAINING DIELS-ALDER OR ENE ADDUCTS

Polyester polyols containing adducts formed from Diels-Alder and Ene reactions are disclosed. Processes for making the polyester polyols and uses of the polyester polyols as polyurethane coatings, adhesives, sealants, elastomers, and foams are also disclosed. In some embodiments, the polyester polyols contain biorenewable adducts based on maleic anhydride and farnesene and have particular application in making rigid and flexible polyurethane or polyisocyanurate foams.

POLYISOCYANATE TRIMERIZATION CATALYST COMPOSITION

A trimerization catalyst composition comprising a trimerization catalyst compound selected from one or more organic metal salt, preferably alkali or earth alkali metal salts, and one or more compounds selected from compounds which comprise a carboxamide group having the structure -CO-NH2 and/or from compounds which comprise a group having the structure -CO-NH-CO- is disclosed. Further a stable polyisocyanate composition comprising the catalyst composition and a process for making the polyisocyanate composition is disclosed. A curable polyisocyanate composition is obtained comprising the catalyst composition, a polyisocyanate composition, an epoxy resin and optionally a polyol/monool composition and a polyisocyanurate comprising material made by allowing the curable composition to react at elevated temperature and a process for making the polyisocyanurate comprising material.

BLOCKED POLYISOCYANATES

BLOCKED POLYISOCYANATES Blocked (cyclo)aliphatic polyisocyanates wherein 30 to 70 equivalent-% of the isocyanate groups are blocked with butanone oxime, 30 to 70 equivalent-% of the isocyanate groups are blocked with 1,2,4triazole and 0 to 30 equivalent-% of the isocyanate groups are blocked with other blocking agents; a method for their preparation by blocking lacquer polyisocyanates with these blocking agents, optionally with the prior, simultaneous or subsequent modification of the polyisocyanates with hydrazine derivatives containing one or more isocyanate-reactive groups; and the use of the blocked polyisocyanates as cross-linking agents for organic polyhydroxy compounds in one-component polyurethane stoving compositions.

LOW VISCOSITY POLYISOCYANATE MIXTURES AND COATING COMPOSITIONS PREPARED THEREFROM

The present invention relates to polyisocyanate mixtures containing 30 to 98 wt.% of a polyisocyanate A) having a viscosity exceeding 700 mPa.s at 23.degree.C and 2 to 70 wt % of a (cyclo)aliphatic triisocyanate B) having a molecular weight of 200 to 600 and a viscosity below 200 mPa.s at 23.degree.C, provided that the polyisocyanate mixtures have one-half of the viscosity of polyisocyanate component A) when triisocyanate B) is present in an amount of 30 wt.%, preferably in an amount of 20 wt.%, wherein the preceding percentages are based on the total weight of the polyisocyanate mixtures. The present invention also relates to coating compositions containing these polyisocyanate mixtures, optionally in blocked form.

Lackmischungen mit thixotropen Eigenschaften

Verfahren zur Herstellung von Polyurethanen

Lacklösung

Verfahren zur Herstellung schlagfester thermoplastischer Kunststoffmassen

Spandex filaments - contg. hard and soft segments

Spandex filaments (i.e. elastic filament in which at most 85% of the polymer forming the filament consists of long chain, segmented polyurethane and polymer molecules consist essentially of 50-95% recurrent soft segments and 5-50% recurrent hard segments, the hard and soft segments being connected by urethane gps., soft segments being formed from radical remaining after elimination of terminal functional gps. from an amorphous polymer with m.p. below 60 deg.C. and mol. wt. greater than 600, while hard segments comprise the remaining part of the polymer molecule between urethane gps. in which at least 12% of the hard segments are radicals of formula (I) (where R" is lower alkyl; X is p-phenylene, p-xylylene, 1,4-cyclohexylene, 4,4'-biphenylene. or gp (II) where Y is -CH2-, -CH2CH2-, -O-, (CH3)2 -C, -S-, -SO- or -SO2- or as X substd. by methyl, methoxy or ethyl), these radicals being connected to each other by NH gps.

[...][...] EN [...][...], [...][...][...][...].

A method for improving toughness of polyisocyanate polyaddition reaction products

Low viscosity polyether carbonate polyols having side chains

Preparation method of biomass-based polymer emulsion

Two-component polyurethane compositions that are especially suitable for use as structural adhesives

The invention relates to two-component polyurethane compositions that are especially suitable for use as structural adhesives. Said compositions are constituted of a polyol component K1 and a polyisocyanate component K2, the polyol component K1 comprising at least one alkoxylated aromatic diol A1 and at least one aliphatic triol A2 and the polyisocyanate component K2 comprising at least one polyisocyanate B1.

Improvements brought to segmented polyurethan fibres

Improvements in production of rigid foamed plastics

Diphenol-contg polyesters and ester-imidepolymers prodn

Polyurethane porous body and process for producing polyurethane porous body

METHOD FOR PREPARING AN AMINE HYDROCHLORIDE SUSPENSION

LAMINATES MADE FROM PLASTICS MATERIALS AND METHODS FOR THEIR PREPARATION

PROCESSO PARA PREPARAÇÃO DE (MET)ACRILATOS DE URETANO DE BAIXA VISCOSIDADE DILUÍVEIS EM ÁGUA

elastÈmeros de poliuretano-uréia

FOLHAS POLIMERICAS PRE-FORMADAS;APERFEICOAMENTOS EM LAMINADOS VITRIFICADOS,PARABRISA CONSTITUIDO DA FOLHA E PROCESSO DE PREPARACAO DAS FOLHAS,DOS LAMINADOS E DE POLIURETANAS TERMOPLASTICAS AMORFAS E SOLUCAO DA DITA POLIURETANA E PROCESSO DE PREPARACAO DE PELICULAS TERMOPLASTICAS PARA USO NOS LAMINADOS VITRIFICADOS

Adhesive composition and adhesive sheet

URETHANE (METH) ACRYLATE MONOMER AND PRODUCTION PROCESS THEREOF

A process of producing a urethane (meth)acrylate monomer having a low acid value and a low content of a hardly soluble high-molecular weight impurity which is crosslinked high-dimensionally, comprising the steps of: (1) contacting a first solution containing a urethane (meth)acrylate monomer having an acid value of more than 0.2 mgKOH/g and an organic solvent to a water-containing adsorbent capable of adsorbing an acid component to obtain a second solution containing a urethane (meth)acrylate monomer having an acid value of not more than 0.2 mgKOH/g, the organic solvent and more than 5,000 ppm (mass) of water based on the urethane (meth)acrylate monomer; (2) contacting the second solution to a dehydrating agent to obtain a third solution containing not more than 5,000 ppm (mass) of water based on the urethane (meth)acrylate monomer; and (3) removing the organic solvent from the third solution.

Process for the production of molded foams

The instant invention is directed to a process for the production of molded foams having a compact surface and cellular core and an integral density distribution over the cross-section of the body, comprising reacting (A) polyisocyanates, and (B) relatively high molecular and/or low molecular compounds having an average of at least two isocyanate-reactive hydrogen atoms in the presence of: (C) catalysts for the isocyanate polyaddition reaction and (D) blowing agents and optionally other known additives, in a closed mold under the conditions of foaming inside molds, the improvement wherein said polyisocyanates are aliphatic and/or alicyclic polyisocyanates and said catalysts are catalyst combinations of: (i) an alkali metal and/or alkaline earth metal hydroxide and (ii) a metal compound, the metal compound being the acetylacetonate of iron, C1 -C8 alcoholates, phenolates, enolates and/or acetylacetonates of metals of the 4th Main Group or sulfur compounds of metals of the 4th Main Group ...

Method for preparing biomass-based polymer emulsion

A method for preparing biomass-based polymer emulsion. The method includes: 1) preparing cardanol-based polymerizable emulsifier; 2) preparing castor oil-based polyurethane prepolymer; and 3) preparing biomass-based polymer emulsion.

Polyisocyanate preparations containing latent tin catalysts and a process for their preparation

Polyisocyanate preparations containing latent tin catalysts are made from an organic polyisocyanate and a reaction product of a sulfonyl isocyanate and an organic tin catalyst in which at least one tin-oxygen bond is present. The organic tin catalyst preferably contains a tin-alkoxy, tin-siloxy, distannoxane and/or tin-carboxylate group. The reaction product of a sulfonyl isocyanate with a tin-carboxylate must generate carbon dioxide during its formation. The sulfonyl isocyanate and organic tin compound are used in quantities such that at least one isocyanato-sulfonyl group is present for each tin-oxygen bond. These polyisocyanate preparation are storage stable and may be used to produce adhesives, coatings and foams.

Ester-urethane derivatives of (meth)-acrylic acid for dental materials

Dental fillings, coatings and teeth are formed of polymers and copolymers of a polyfunctional ester-urethane derivative of (meth)-acrylic acid of the formula (I) in which A is a straight-chain or branched aliphatic radical which has 2 to 20 carbon atoms and optionally contains 1 to 3 oxygen bridges, an aromatic radical with 6 to 24 carbon atoms, an araliphatic radical with 7 to 26 carbon atoms or a cycloaliphatic radical with 6 to 26 carbon atoms, r denotes the number of chains starting from A and denotes a number from 2 to 6, R1 and R2 are identical and denote hydrogen or are different and denote hydrogen and methyl, n denotes a number from 0 to 5 independently for each chain starting from A, X stands for the group in which Y denotes a divalent (cyclo)aliphatic radical which has 2 to 15 carbon atoms and optionally contains ester, ether or urethane groups, Z denotes a divalent straight-chain or branched aliphatic hydrocarbon radical which has 3 to 15 carbon atoms and can ...

Concentrating method, treating method, concentrating system and treating system for polyisocyanate residues

A concentrating method and a concentrating system for concentrating polyisocyanate residues that that can effectively concentrate polyisocyanate residues from crude polyisocyanate comprising polyisocyanate and polyisocyanate residues in a short time and can also suppress increase in viscosity to provide stable transport of the residues and prevent blockage of the transport line, and a treating method and a treating system for decomposing the concentrated components to polyamine. The polyisocyanate residues are first heated on the boil by the distiller to be concentrated to a midterm concentrating rate, and then, the polyisocyanate residues are concentrated to the final concentrating rate by evaporation using a evaporator. This can allow the polyisocyanate residues to be decomposed to polyamine to be recovered by setting a Cl content of a high boiling point distillate fraction concentrated to be not more than 2 weight % and then putting the high boiling point distillate fraction into contact ...

Two-Component Polyurethane Compositions That Are Especially Suitable for Use as Structural Adhesives

The invention relates to two-component polyurethane compositions that are especially suitable for use as a structural adhesives. Said compositions are constituted of a polyol component K1 and a polyisocyanate component K2, the polyol component K1 comprising at least one alkoxylated aromatic diol A1 and at least one aliphatic triol A2 and the polyisocyanate component K2 comprising at least one polyisocyanate B1.

Antistatic or electronically conductive polyurethanes, and method for the production thereof

The present invention relates to an antistatic or electrically conductive, thermoset polyurethane obtained by reacting A) an organic polyisocyanate; B) a compound comprising NCO-reactive groups; and C) optionally a catalyst, a blowing agent, an auxiliary, an additive, or mixtures thereof; and wherein, the polyurethane comprises a carbon nanotube present in an amount of from 0.1 to 15% by weight based on the total weight of the polyurethane.

Polymerizable composition, molded product, and use thereof

The polymerizable composition of the present invention includes at least one isocyanate compound (A) having a cyclic structure, selected from compounds represented by the following Formulae (1), (2), and (3), and aliphatic isocyanate compound (B) having 4 to 11 carbon atoms, and a thiol compound (C).

OPTICALLY CLEAR ADHESIVE SHEET, METHOD FOR MANUFACTURING OPTICALLY CLEAR ADHESIVE SHEET, LAMINATE, AND BONDED STRUCTURE

The present invention provides an optically clear adhesive sheet preventing whitening and delay bubbles during storage in a high-humidity environment using a heat-cured polyurethane that has excellent flexibility and is capable of giving a thick film. The optically clear adhesive sheet of the present invention contains a heat-cured polyurethane, the heat-cured polyurethane being a cured product of a thermosetting polyurethane composition containing a polyol component and a polyisocyanate component, the polyisocyanate component containing both a polyisocyanate having a hydrophilic unit and a polyisocyanate having no hydrophilic unit, the optically clear adhesive sheet showing a moisture absorption coefficient of 3600 ppm or lower after being subjected to a test in which the sheet is left in a high-temperature, high-humidity environment with a temperature of 85° C. and a humidity of 85% for three hours.

METHOD FOR PRODUCING POLYETHERESTER POLYOLS

A subject of the invention is a method for producing a polyetherester polyol by addition of alkylene oxide and lactone to H-functional starter substance in the presence of a double metal cyanide catalyst, wherein a suspension medium containing no H-functional groups is first initially charged in a reactor, and an H-functional starter substance is subsequently continuously metered in to the reactor during the reaction, and wherein the lactone is a 4-membered cyclic lactone. A further subject is also the polyetherester polyol obtainable according to the method according to the invention, and also polyurethanes which can be produced therefrom.

POLYURETHANE MATERIALS FORMED FROM UNSATURATED PLANT OILS VIA AN ALKYNE ZIPPER REACTION

A process of forming a polyurethane material includes forming an unsaturated alcohol from an unsaturated plant oil via a reduction reaction. The process includes forming an alkyne-terminated alcohol from the unsaturated alcohol and forming a polyol having two primary hydroxyl groups from the alkyne-terminated alcohol. The process further includes polymerizing a mixture that includes the polyol having the two primary hydroxyl groups to form a polyurethane material.

Polyisocyanate Trimerization Catalyst Composition

A trimerization catalyst composition comprising a trimerization catalyst compound selected from one or more organic metal salt, preferably alkali or earth alkali metal salts, and one or more compounds selected from compounds which comprise a carboxamide group having the structure CONH2 and/or from compounds which comprise a group having the structure CONHCO is disclosed. Further a stable polyisocyanate composition comprising the catalyst composition and a process for making the polyisocyanate composition is disclosed. A curable polyisocyanate composition is obtained comprising the catalyst composition, a polyisocyanate composition, an epoxy resin and optionally a polyol/monool composition and a polyisocyanurate comprising material made by allowing the curable composition to react at elevated temperature and a process for making the polyisocyanurate comprising material.

Optical resin composition and optical lens using same

The present invention provides an optical polymerizable composition, an optical composition, a large-area window, a polyisocyanate composition, and eyeglass lens and producing method thereof. The optical polymerizable composition is composed of a polythiol compound and a polyisocyanate compound, and a urethane-based optical lens obtained by reacting the compounds has a low specific gravity and thus is lightweight, and has excellent heat resistance, and particularly, problems of degradation in impact resistance which appear after hard-multi coating are solved. The lens produced using the composition has various excellent optical characteristics including workability such as formability and dyeability, transparency and the like.

POLYURETHANE GEL COMPOSITION AND USE THEREOF

Provided is a polyurethane gel composition containing A and B below. Here, A represents a polyurethane obtained by reaction of (a) a hydrogenated polybutadiene having isocyanate groups at the terminals and (b) a glycol represented by HO—R3—OH (wherein R3 represents a linear or branched C2 to C6 alkylene group optionally having an ether bond), or A represents a polyurethane obtained by reaction of (c) a hydrogenated polybutadiene having hydroxyl groups at the terminals, (d) a diisocyanate compound, and the (b) glycol represented by HO—R3—OH (wherein R3 represents a linear or branched C2 to C6 alkylene group optionally having an ether bond), and B represents an oil agent. The polyurethane gel composition of the present invention is particularly useful as a raw material for cosmetics since a film of an oil-soluble gel obtained using the polyurethane gel composition is exceptionally excellent in any point of transparency, high gloss, elasticity, and resilience.

Process for the preparation of polyurethane soft-foams

Verfahren zur Herstellung von hochelastischen,einreissfesten,zelligen Polyurethan-Formkoerpern

Wässrige Polyurethan-Dispersionen, erhältlich mit Hilfe von Cäsiumsalzen

The invention relates to aqueous dispersions comprising a polyurethane, produced from a) diisocyanates, b) diols, of which b1) 10 to 100 mol. %, relative to the total amount of diols (b), have a molecular weight of 500 to 5000 and b2) 0 to 90 mol. %, relative to the total amount of diols (b), have a molecular weight of 60 to 500 g/mol, c) various monomers from amongst the monomers (a) and (b) with at least one isocyanate group or at least one group reactive towards isocyanate groups, with furthermore, at least one hydrophilic or potentially hydrophilic group, by means of which the aqueous dispersibility of the polyurethane is affected, d) optionally additional polyfunctional compounds different from the monomers (a) to (c), said functions being alcoholic hydroxy groups, primary or secondary amino groups or isocyanate groups and e) optionally additional monofunctional compounds different from the monomers (a) to (d), said function being an alcoholic hydroxy group, a primary or secondary ...

Bauteil mit einer Beschichtung und Verfahren zum Beschichten

Ein Bauteil (20) für eine Fertigungsanlage (11), eine Montageanlage (12), ein Fahrzeug (13) oder einen Roboter (14) weist zumindest bereichsweise eine Beschichtung (22) auf, welche Beschichtung (22) Polyurea auf. Eine technische Einrichtung weist ein solches Bauteil (20) auf. Gezeigt ist zudem ein Verfahren zur Beschichtung eines Bauteils (20).

PROCESS FOR THE PRODUCTION OF POLYURETHANE FOAMS

... 1382538 Polyurethane foams BAYER AG .15 June 1973 [27 June 1972] 28590/73 Heading C3R An open-celled polyurethane foam which can be irreversibly compressed in the absence of water and which, when compressed, will swell up to its original volume in the presence of water, is obtained by reacting (a) a polyhydroxyl compound having a hydroxyl number of from 600 to 1,900 with (b) a polyisocyanate having aliphatically bound isocyanate groups and which contains urethane and/or urea and/or carbodiimide and/or allophanate and/or isocyanurate and/or biuret groups and with (c) water. Instead of the above polyhydroxy compound there may be used a mixture of compounds having an average hydroxyl number of from 600 to 1,900; such a mixture may include polyhydroxyl compounds with hydroxyl numbers between 30 and 600 provided the average hydroxyl number of the mixture is from 600 to 1,900. In examples, irreversibly compressible foams which recover their original volumes when contacted with water, are obtained ...

Method of preparation of a polyol block copolymer

Aqueous coating systems based on physically drying urethane acrylates

The invention relates to radiation curable coating systems on the basis of aqueous polyurethane dispersions, to a method for the production thereof, to the use of the coating systems as paints and/or adhesives, and to objects and substrates provided with said paints and/or adhesives.

Curable composition with rubber-like properties

Low viscosity, radiation curable compositions have been developed that produce plastics with silicone rubber-like properties. These compositions have also been shown to give great adhesion to plastics. The combination of an ethylenically unsaturated oligomer with di- or polythiol compound, reactive diluents and a radical initiator will produce these properties. These materials can find use in many areas such as: Electronics packaging, displays, conformal coatings, seals, gaskets, fiber optics coatings, and golf ball coatings.

Porous polyurea material and methods for preparing the same

The present invention relates to a porous polyurea material and a method for preparing the same. The porous polyurea material may be prepared by polymerization and crosslinking of tetra(4-aminophenyl)methane with a monomer two to four isocyanate (—NCO) groups. The method includes: mixing an organic solution of tetra(4-aminophenyl)methane with an organic solution of a monomer having two to four isocyanate groups; reacting the mixed solution under a nitrogen atmosphere; and drying a semi-solid or solid material formed by gelation of the reaction solution, or adding the reaction solution to a non-solvent before gelation of the reaction solution to form a precipitate, followed by drying, or applying the reaction solution to a substrate before gelation of the reaction solution, followed by drying. According to the present invention, the introduction of the monomer having a tetrahedral structure can impart good chemical resistance, heat resistance and durability to the porous polyurea material.

Two component polyurethane coating compositions comprising isocyanurate compositions from bis(isocyanatomethyl) cyclohexane and from aliphatic diisocyanates

The present invention provides two-component polyurethane compositions comprising, as one component, polyisocyanate compositions of the isocyanurate of one or more bis(isocyanatomethyl)cyclohexane or, preferably, a mixture of two or more of these, and of the isocyanurate of hexamethylene diisocyanate (HDI trimer), and, as the other component, a mix of a soft polyol having a hydroxyl functionality of from 2.5 to 5.0 and a molecular weight of from 500 to 3,000, and a hard polyol. Such compositions provide coatings, especially clear topcoats, which exhibit excellent scratch and mar and solvent resistance in addition to a good balance of hardness and flexibility without the need for increasing the volatile organic content (VOC) of the compositions. Also provided are compositions of a polyisocyanate compositions of the isocyanurate of one or more bis(isocyanatomethyl)cyclohexane with soft polyol which have lower VOCs.

Optical adhesive composition and display panel including the same

An optical adhesive composition includes a urethane(meth)acrylate resin having at least one hydroxyl group and at least one vinyl group, the urethane(meth)acrylate resin having a curing contraction ratio expressed by Equation 1 of about 0 to about 3%; and an adhesion of about 30 to about 80 kgf: Curing contraction ratio (%)=( A−B )/ A ×100,   [Equation 1] where A is a specific gravity of the optical adhesive composition before curing, and B is a specific gravity of the solid optical adhesive composition after curing.

Polyurethane Dispersions and Methods of Making and Using Same

The presently disclosed and claimed inventive concept(s) relates generally to polyethylene terephthalate (“PET”) polymers, digested oligomeric derivatives of PET (“dPET”), functionalized oligomeric derivatives of dPET (“dfPET”), and polyurethane dispersions (“PUD”) made from or incorporating dfPET therein.

Composition containing specific carbamate type compounds suitable for producing polyurethane foams

Compositions suitable for producing polyurethane foams which include at least an isocyanate component, a polyol component, a catalyst catalyzing formation of a urethane or isocyanurate bond, and at least one compound containing at least one structural element of formula (I)

Polishing pad

A polishing pad generates very few scratches on a surface of a polishing object, and is excellent in planarization property. The polishing pad has a high polishing rate and is excellent in planarization property. The polishing pad grooves become very little clogged with abrasive grains or polishing swarf during polishing and, even when continuously used for a long period of time, the polishing rate is scarcely reduced.

Polyurethane foam for seat pad

Polyurethane foam for a seat pad that achieves both reduced shakiness and reduced stress relaxation and is suitable particularly for a vehicle seat pad is provided, and the polyurethane foam contains a foaming liquid containing (A) a polyol component, (B) a polyisocyanate component, (C) water and (D) a catalyst, which has been foam-molded, wherein the polyol component (A) contains from to 50% by mass of (a-1) a polyether polyol having a molar ratio of repeating units derived from ethylene oxide and propylene oxide of from 5/95 to 25/75 and a number average molecular weight of from 6,000 to 8,000, and containing from 5 to 15% by mass of (a-2) a polyether polyol having a molar ratio of repeating units derived from ethylene oxide and propylene oxide of from 0/100 to 20/80 and a number average molecular weight of from 600 to 2,000, and an amount of water (C) contained is 2.0 parts by mass or more per 100 parts by mass of the polyol component (A).

Polyurethanes, Articles and Coatings Prepared Therefrom and Methods of Making The Same

The present invention provides polyurethanes including a reaction product of components including: (a) an isocyanate functional urethane prepolymer comprising a reaction product of components including: (i) about 1 equivalent of at least one polyisocyanate; and (ii) about 0.1 to about 0.5 equivalents of at least one diol having 2 to 18 carbon atoms; and (b) about 0.05 to about 0.9 equivalents of at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; and (c) up to about 0.9 equivalents of at least one polyol different from branched polyol (b) and having 2 to 18 carbon atoms, wherein the reaction product components are essentially free of polyester polyol and polyether polyol; compositions, coatings and articles made therefrom and methods of making the same.

Aliphatic polyurea coating, the method for preparing the same and the use thereof

The present invention pertains to an aliphatic polyurea coating, comprising a product mixed by the components including NCO-terminated polycarbonate diol modified and/or of ether polyol modified isophorone diisocyanate (IPDI) prepolymer; hexamethylene diisocyanate (HDI) oligomers; and amino resin comprising sterically hindered secondary aliphatic diamines. The aliphatic polyurea coating layer prepared by the aliphatic polyurea coating presented in this invention possesses good elongation and tensile strength, good flexibility in low temperature, good abrasion resistance, good adhesion property, good weatherability and good chemical resistance.

Two-component polyurethane composition with delayed crosslinking

The invention relates to a crosslinking two-component polyurethane composition consisting of (i) a constituent A containing polyols and additives, and (ii) a constituent B containing between 100 and 65 wt. % of aromatic polyisocyanates, between 0 and 35 wt. % of aliphatic polyisocyanates, and between 0.05 and 3.0 wt. % of a retarder, and optionally additives, the mixed composition having a viscosity (EN ISO 2555) of between 100 mPas and 3000 mPas at 25° C., and the crosslinked composition having a glass transition temperature (Tg) of higher than 50° C. and a pot life of longer than 60 minutes. The two-component polyurethane composition is suitable as an adhesive and as a matrix substance for composite materials.

Controlled radical polymerization initiators

The present invention relates to controlled radical polymerization (CRP) initiators that include at least one radically transferable group. The CRP initiators include at least one of the following, (a) a spirooxazine compound represented by the following Formula (I), and (b) an indenonaphthopyran represented by the following Formula (II), One or more of R 1 , R 2 , R 3 , R 4 , R 5 , and R 6 of the spirooxazine, and one or more of R 7 , R 8 , R 9 , R 10 , B, and B′ independently include the radically transferable group. The present invention also relates to polymers, such as mechanochromic polymers, that are prepared from such CRP initiators, polymer compositions that include such polymers, and mechanochromic articles that include such polymer compositions.

Producing foams having improved properties

The present invention relates to a composition for producing a rigid polyurethane foam comprising at least one polyol having a molecular weight of not less than 1700 g/mol and at least one blowing agent as component A, and at least one polyisocyanate as component B, wherein the at least one polyisocyanate B comprises from 11 to 39.5 wt % of a polyisocyanate prepolymer, based on a polyether polyol having an OH number of at least 100 mg KOH/g, to a rigid polyurethane foam obtainable by reacting this composition, to a process for producing such a rigid polyurethane foam, to the use of such a rigid polyurethane foam for insulation, especially for pipe insulation and also to a process for producing an insulated pipe.

Rheology modifier

The present invention relates to a composition comprising a hydrophobically modified alkylene oxide polyurethane characterized by having a M w of from 50,000 to about 150,000 Daltons and a polydispersity of 2.5 to about 5.0. The present invention further relates to a multi-step process for the preparation of the hydrophobically modified polymer.

Pebble-based surfacing materials

Pebble or granular based elastomeric surfacing materials that include an aliphatic thermoplastic polyurethane based pebble or granule bonded together with a two-part aliphatic polyurethane binder are provided. In one embodiment, an A side of the two-part binder has at least one polyol, and a B side of the two-part binder has multiple isocyanates. The multiple isocyanates can include for example hydrogenated methylene diphenyldisocyanate and hexamethylene diisocyanate. The A side and the B side of the binder are utilized to bond the pebbles together to form a surface that can be either porous or non-porous. In another embodiment, an A side of a two-part binder includes multiple polyols. The multiple polyols can include for example esterified ricinoleic acid polyols and caprolactone polyols. The A side of the two-part binder can be combined with a B side of the two-part binder and pebbles to form a non-porous surface. In yet another embodiment, a pebble-based surface is utilized as a wear layer in a multi-layer safety surface.

POLYESTER POLYOLS IMPARTING IMPROVED FLAMMABILITY PROPERTIES

An aromatic polyester polyol having a nominal functionality of at least about 2 is produced from the esterification reaction of a phthalate-based composition containing less than 50 mol % of ortho-phthalic acid or phthalic anhydride, with a hydroxyl material containing at least 20 mol % of at least one branched aliphatic diol, and optionally transesterified with at least one hydrophobic material. The polyester polyol has improved shelf-life stability as demonstrated by the polyester polyol remaining clear and homogeneous for at least 6 months when stored at room temperature. The polyester polyol, when incorporated into a polyol foam-forming resin composition in an amount of at least 40 wt %, results in polyurethane and polyisocyanurate foams that exhibit low smoke and weight loss upon burning conditions. 1. A polyester polyol comprising:the esterification reaction product ofa. a phthalate-based composition comprising less than 50 mol % of ortho-phthalic acid or ortho-phthalic anhydride; and the esterification reaction product being optionally transesterified with at least one hydrophobic material,', 'wherein the polyester polyol remains clear and homogeneous for a period of at least 6 months when stored at 25° C., 'b. a hydroxyl-containing composition comprising at least 20 mol % of at least one branched aliphatic diol;'}2. The polyester polyol of claim 1 , wherein the phthalate-based composition comprises at least 50 mol % of one or more of terephthalic acid claim 1 , isophthalic acid claim 1 , polyalkylene terephthalate claim 1 , and dimethyl terephthalate.3. The polyester polyol of claim 1 , wherein the at least one branched aliphatic diol is selected from 2-methyl-1 claim 1 ,3-propanediol claim 1 , neopentyl glycol claim 1 , 2-methyl-2 claim 1 ,4-pentandiol claim 1 , 2-butyl-2-ethyl-1 claim 1 ,3-propandiol claim 1 , 2-ethyl-1 claim 1 ,3-hexandiol claim 1 , 2 claim 1 ,4-diethyl-1 claim 1 ,5-pentandiol claim 1 , 1 claim 1 ,2-propylene glycol claim 1 , and ...

Lactam-functionalized polymer, compositions and applications thereof

A lactam-functionalized polymer is disclosed. The lactam-functionalized polymer includes lactam-functionalized polyacetal polyether, polyhemiaminal polyether or polyaminal polyether. The applications of the lactam-functionalized polymer are also disclosed.

WATER DISPERSIBLE POLYAMIDE BUILDING BLOCKS

Water dispersible polyamides having carboxylic acid groups are disclosed. These are made by reacting polycarboxyl is acids or anhydrides thereof with amine containing monomer or an amide terminated polyamide under reaction conditions such that a few of the carboxylic acid groups are residual and can promote dispersion in water. These polyamides after dispersion can be chain extended to higher molecular weight polymers or can be terminally functionalized with reactive groups such as isocyanate, epoxy, vinyl, acetoacetonate, or silanol groups. Composites and hybrids of these polyamides with vinyl polymers are also disclosed and claimed. 1. A water dispersible polyamide comprising a polyamide condensation reaction product of at least one polycarboxylic acid and/or anhydride thereof with at least one amine monomer with a primary or secondary amine group or an amine terminated polyamide , wherein said polyamide reaction product has a titratable acid content derived from said at least one polycarboxylic acid of from about 1 to about 100 mg KOH/gram of polyamide.2. A water dispersible polyamide according to claim 1 , wherein said titratable acid content is from about 10 to about 60 mgKOH/gram.3. A water dispersible polyamide according to claim 1 , wherein said water dispersible polyamide has a number average molecular weight from about 500 to about 50 claim 1 ,000 g/mole.4. A water dispersible polyamide according to claim 1 , wherein said water dispersible polyamide has a number average molecular weight from about 500 to about 30 claim 1 ,000 g/mole.5. A water dispersible polyamide according to claim 1 , wherein said at least one amine monomer is reacted with said polycarboxylic acid or anhydride thereof and said amine monomer comprises a polyamine with two or more primary or secondary amine groups.6. A water dispersible polyamide according to claim 1 , wherein said water dispersible polyamide is neutralized to a pH above 7 prior to dispersion or during dispersion in a ...

URETHANE RESIN COMPOSITION

The present invention relates to a polyol composition for obtaining a polyurethane foam through a reaction with a polyisocyanate compound. The polyol composition comprises a polyol, a catalyst, a foam stabilizer, a foaming agent, and ammonium carboxylate, wherein the ammonium carboxylate has a quaternary ammonium cation as a cationic moiety, and a carboxylic acid anion represented by formula (1) as an anionic moiety. 2. The polyol composition according to claim 1 , wherein the amount of the ammonium carboxylate is 5 parts by mass to 20 parts by mass per 100 parts by mass of the polyol.3. The polyol composition according to claim 1 , wherein Ris CH.4. The polyol composition according to claim 1 , wherein the cationic moiety of the ammonium carboxylate is a tetramethyl ammonium cation.5. The polyol composition according to claim 1 , wherein the anionic moiety of the ammonium carboxylate is 2 claim 1 ,2-dimethylpropanoic acid anion.6. The polyol composition according to claim 1 , which comprises hydrofluoroolefin (HFO) as a foaming agent.7. A foamable polyurethane composition claim 1 , which is a mixture of the polyol composition according to and a polyisocyanate compound.8. The foamable polyurethane composition according to claim 7 , wherein the foamable polyurethane composition has an isocyanate index of 250 or more.9. A polyurethane foam obtained by curing the foamable polyurethane composition according to . The present invention relates to a polyol composition for obtaining a polyurethane foam through a reaction with a polyisocyanate compound, a foamable polyurethane premix composition, a foamable polyurethane composition, and a polyurethane foam.Urethane resin compositions, which have excellent insulation and adhesive properties, have been used as heat-insulating materials for buildings, such as housing complexes including condominium apartments, houses, school facilities, and commercial buildings.PTL 1: JP2000-230028APTL 2: JP2004-339269APTL 3: JP2000- ...

Semicarbazide composition, water-based coating composition, coating film, article, and method for producing semicarbazide composition

A semicarbazide composition contains a semicarbazide compound (A1) derived from a hydrazine and an isocyanate compound (a1) having an isocyanate group, and a semicarbazide compound (B1) derived from a hydrazine and an isocyanate compound (b1) having an isocyanate group and having a different structure from the isocyanate compound (a1), wherein the absolute value of the difference in the solubility parameters of the isocyanate compound (a1) and the isocyanate compound (b1) is at least 0.15 but not more than 2.10. A method for producing a semicarbazide composition includes, in sequence, a step 2-1 of reacting a hydrazine and an isocyanate compound (a2) having at least one cyclic structure within the molecule to obtain a semicarbazide compound (A2), and a step 2-2 of reacting a hydrazine and an isocyanate compound (b2) not having a cyclic structure within the molecule to obtain a semicarbazide compound (B2).

Solventless Adhesive Composition Process and Laminate with Same

A process comprises (i) providing an isocyanate component A that is a reaction product of an aliphatic polyisocyanate, an aromatic polyisocyanate, an aliphatic polyester polyol, and a polyether polyol; (ii) providing a polyol component B comprising an aliphatic polyester polyol and a polyether polyol; (iii) mixing A and B to form a solventless adhesive (SLA) composition component A and component B each comprises an aliphatic polyester polyol having a viscosity from 800 to 6000 mPa·s at 25° C. and a hydroxyl number from 60 to 180 mg KOH/g; the SLA composition has (a) an initial viscosity at 40° C. from 500 to 1600 mPa·s, (b) an increasing viscosity ratio from 100% to 112% of the initial viscosity after the SLA composition stands at 40° C. for 10 min, and (c) an end viscosity at 40° C. from 120% to 210% of the initial viscosity at 40 min after forming the SLA composition. 1. A process comprising:(i) providing an isocyanate component A that is a reaction product of an aliphatic polyisocyanate, an aromatic polyisocyanate, an aliphatic polyester polyol, and a polyether polyol;(ii) providing a polyol component B comprising an aliphatic polyester polyol and a polyether polyol;component A and component B each comprising an aliphatic polyester polyol having a viscosity from 800 to 6000 mPa·s at 25° C. and a hydroxyl number from 60 to 180 mg KOH/g; (a) an initial viscosity at 40° C. from 500 to 1600 mPa·s,', '(b) an increasing viscosity ratio from 100% to 112% of the initial viscosity after the SLA composition stands at 40° C. for 10 min, and', '(c) an end viscosity at 40° C. from 120% to 210% of the initial viscosity at a time 40 min after forming the SLA composition., '(iii) mixing component A and component B to form a solventless adhesive (SLA) composition, the SLA composition having;'}2. The process according to claim 1 , comprising(iv) applying the SLA composition to a first film at a lamination speed from 80 m/min to 600 m/min to form an adhesive applied film;(v) ...

Urethane resin composition, surface treatment agent, and article

The present invention provides a urethane resin composition including a urethane resin (A), an olefin resin (B), water (C), and a carbodiimide compound (D) having a carbodiimide equivalent of 340 or more. Also, the present invention provides a surface treatment agent including the urethane resin composition described above. Further, present invention provides an article including a layer formed of the surface treatment agent. The content of urethane bond in the urethane resin (A) is preferably within a range of 980 to 4,000 mmol/kg. The content of urea bond in the urethane resin (A) is preferably within a range of 315 to 850 mmol/kg.

COMPOSITION FOR TRANSPARENT SHAPED BODIES BASED ON POLYURETHANE

A composition comprising an isocyanate component A) comprising at least one cycloaliphatic or araliphatic diisocyanate, a polyol component B) comprising at least one polyol having an OH number of 80 to 1000 mg KOH/g, an additive component C) comprising at least one internal demoulding agent, and a catalyst component D) comprising at least one inorganic metal complex as thermally latent catalyst, characterized in that the thermally latent catalyst has a quotient of reaction rates between catalysed reaction and uncatalysed reaction at 30° C. of =5.0 and at 60° C. of =1.1. The present invention further provides a process for producing an elastomer and for the use of the composition for production of transparent shaped bodies. 117.-. (canceled)18. A composition comprising anisocyanate component A) comprising at least one cycloaliphatic or araliphatic diisocyanate, a polyol component B) comprising at least one polyol having an OH number of 80 to 1000 mg KOH/g, anadditive component C) comprising at least one internal demolding agent, wherein the demolding agent is at least one mono- and/or dialkyl phosphate having 8 to 12 carbon atoms in the alkyl radical, and acatalyst component D) comprising at least one inorganic metal complex compound as a thermolatent catalyst,wherein the thermolatent catalyst exhibits a quotient of the reaction rates between catalyzed reaction and uncatalyzed reaction of ≦5.0 at 30° C. and of ≧1.1 at 60° C.19. The composition as claimed in claim 18 , wherein the inorganic metal complex compound comprises bismuth claim 18 , titanium claim 18 , zinc claim 18 , zirconium or tin claim 18 , preferably bismuth or tin and particularly preferably tin as the central atom.20. The composition as claimed in claim 18 , wherein the inorganic metal complex compound comprises at least one ligand which comprises at least one ether claim 18 , thioether or amino group and/or is a chelate ligand claim 18 , preferably comprises at least one amino group and/or is a ...

TWO-COMPONENT SOLVENTLESS ADHESIVE COMPOSITIONS FOR ADHESION TO POLYMERIC BARRIER SUBSTRATES

Two-component solventless polyurethane adhesive compositions are disclosed comprising an isocyanate component comprising an isocyanate blend, and a polyol component comprising an amine-initiated polyol comprising two or more primary hydroxyl groups and a backbone incorporating tertiary amines, wherein the amine-initiated polyol comprises a functionality of from 2 to 12, hydroxyl number of from 5 to 1,830, and a viscosity at 40° C. of from 500 to 20,000 mPa-s, and a silicone-based additive (e.g., an anti-foaming agent and/or a wetting agent). The adhesive compositions are formulated such that the isocyanate and polyol components can be applied to separate substrates prior to mixing. Laminate structures comprising the disclosed adhesive compositions and further comprising a polymeric barrier substrate are also disclosed. 1. A two-component solventless adhesive composition , comprising:an isocyanate component comprising an isocyanate blend; and an amine-initiated polyol comprising two or more primary hydroxyl groups and a backbone incorporating tertiary amines, wherein the amine-initiated polyol comprises a functionality of from 2 to 12, a hydroxyl number of from 5 to 1,830, and a viscosity at 40° C. of from 500 to 20,000 mPa-s; and', 'a silicone-based additive., 'a polyol component comprising2. The two-component solventless adhesive composition according to claim 1 , wherein the isocyanate blend comprises at least two selected from the group consisting of methylene diphenyl diisocyanate claim 1 , toluene diisocyanate claim 1 , hexamethylene diisocyanate claim 1 , xylylene diisocyanate and combinations thereof.3. The two-component solventless adhesive composition according to claim 1 , wherein the silicone-based additive is an anti-foaming agent.4. The two-component solventless adhesive composition according to claim 1 , wherein the anti-foaming agent comprises up to 100 percent by weight silicone/silica.5. The two-component solventless adhesive composition according ...

AQUEOUS POLYURETHANE-UREA DISPERSION

The present invention relates to an aqueous dispersion based on polyurethane-urea, a composition comprising the same, and a use of the same in a coating agent, a sealant and an adhesive. The aqueous polyurethane-urea dispersion comprises a polyurethane-urea dispersed therein having sulfonate and/or carboxylate groups and lateral carboxyl groups, wherein the amount of said sulfonate and or carboxylate groups is 1.5 to 15 mmol/100 g; said lateral carboxyl is introduced by an aminocarboxylic acid having an amino functionality of greater than 1; the amount of said lateral carboxyl is 1.5 to 9.5 mmol/100 g, based on the polyurethane-urea solid components. Compared with the prior art, the composition of the polyurethane-urea based aqueous dispersion and a carboxyl reactive cross-linking agent provided by the present invention has a good cross-linking property and an excellent heat-resistance, which is not prone to come unglued when being exposed to heat. 115-. (canceled)16. An aqueous polyurethane-urea dispersion , comprising a polyurethane-urea dispersed therein having sulfonate and/or carboxylate groups and lateral carboxyl groups , wherein an amount of said sulfonate and/or carboxylate groups is 1.5 to 15 mmol/100 g; said lateral carboxyl groups are introduced by an aminocarboxylic acid having an amino functionality of greater than 1; an amount of said lateral carboxyl groups is 1.5 to 9.5 mmol/100 g , based on the polyurethane-urea solid components.17. The aqueous polyurethane-urea dispersion according to claim 16 , wherein said polyurethane-urea is prepared by comprising following components:A) at least one polyol component having a number-average molecular weight of 400 to 5000 Daltons and a hydroxyl functionality of not less than 1.9;B) optionally at least one polyol component having a number-average molecular weight of 62 to 399 Daltons;C) at least one diisocyanate or polyisocyanate component;D) at least one aminocarboxylic acid having an amino functionality of ...

TWO-COMPONENT CURABLE SOLVENTLESS-TYPE LAMINATE ADHESIVE AND RESIN CURED PRODUCT

A two-component curable solventless-type laminate adhesive contains a polyisocyanate component and a polyol component. The polyisocyanate component contains a derivative of a pentamethylene diisocyanate, the derivative of the pentamethylene diisocyanate contains an isocyanurate group and an allophanate group, and the content ratio of the isocyanurate group with respect to 100 moles of the total amount of the isocyanurate group and the allophanate group is 60 moles or more and 99 moles or less. 1. A two-component curable solventless-type laminate adhesive comprising:a polyisocyanate component and a polyol component, whereinthe polyisocyanate component containsa derivative of a pentamethylene diisocyanate,the derivative of the pentamethylene diisocyanate contains an isocyanurate group and an allophanate group, andthe content ratio of the isocyanurate group with respect to 100 moles of the total amount of the isocyanurate group and the allophanate group is 60 moles or more and 99 moles or less.2. The two-component curable solventless-type laminate adhesive according to claim 1 , whereinthe allophanate group is derived from the pentamethylene diisocyanate and a monohydric alcohol.3. The two-component curable solventless-type laminate adhesive according to claim 1 , whereinthe content ratio of the isocyanurate group with respect to 100 moles of the total amount of the isocyanurate group and the allophanate group is 90 moles or more and 98 moles or less.4. The two-component curable solventless-type laminate adhesive according to claim 1 , whereinthe polyisocyanate component contains a diisocyanate group-terminated prepolymer that is a reaction product of a diisocyanate containing an araliphatic diisocyanate and a diol containing a high molecular weight diol having a number average molecular weight of 300 or more and 2000 or less.5. The two-component curable solventless-type laminate adhesive according to claim 1 , whereinthe viscosity thereof at 70° C. in 2 minutes after ...

REACTIVE THERMOPLASTIC POLYURETHANE BASED ON BLOCKED ISOCYANATES

A method for producing a shaped body, containing: producing the shaped body from a composition by a powder-based layer construction process, wherein the composition contains a thermoplastic polyurethane, obtained by reacting a polyisocyanate composition and a polyol composition, the thermoplastic polyurethane is solid at least in a temperature region below 50° C. and has end groups selected from the group consisting of first end groups and second end groups, wherein the first end groups are optionally eliminated at a first temperature, and the second end groups are optionally eliminated at a second temperature, to form reactive groups on the thermoplastic polyurethane that optionally enter into a reaction with functional groups of the thermoplastic polyurethane or functional groups of a further component of the composition, and wherein the first temperature and the second temperature are each greater than or equal to 60° C. 120-. (canceled).21. A method for producing a shaped body , the method comprising:producing the shaped body from a composition by a powder-based layer construction process,wherein the composition comprises a thermoplastic polyurethane, obtained by a method comprising reacting at least one polyisocyanate composition and at least one polyol composition,wherein the thermoplastic polyurethane is solid at least in a temperature region below 50° C. and has end groups selected from the group consisting of first end groups and second end groups, wherein the first end groups are optionally eliminated at a first temperature, and the second end groups are optionally eliminated at a second temperature, to form reactive groups on the thermoplastic polyurethane that optionally enter into a reaction with functional groups of the thermoplastic polyurethane or functional groups of a further component of the composition, andwherein the first temperature and the second temperature are each greater than or equal to 60° C.22. The method according to claim 21 , ...

Polyurethanes and method for making polyurethanes

Polyurethanes are made in a one-shot process from one or more polyols having a hydroxyl equivalent weight of at least 350, wherein at least 50% of the weight of iii) is a hydroxyl-containing polymer of propylene oxide, the hydroxyl-containing polymer of propylene oxide having a hydroxyl equivalent weight of at least 350, an average of 1.8 to 3 hydroxyl groups per molecule of which hydroxyl groups 40 to 70% are primary hydroxyl groups, an oxyethylene content of no greater than 10% by weight based on the weight of the polymer and a polydispersity of 1.175 or less. The polyurethanes exhibit excellent mechanical properties, are highly hygroscopic and cured rapidly.

Method for Making Skinned Polyurethane Composites

Skinned composites contain a plasticized polymer skin layer adhered to a layer of a polyurethane. The polyurethane is made from a reaction mixture that contains specified amounts of a polyester polyol and an acidic material. The presence of both the polyester polyol and acid leads to significantly improved adhesion between the polyurethane and skin layer. The invention is particularly useful when the skin is highly plasticized.

Coating Composition

The invention relates to coating compositions which have a low VOC (less than 250 g/l), are fast drying, and have excellent erosion resistance. These coating compositions comprise a film forming resin comprise one or more polyamine(s) containing secondary amine groups and specific aliphatic and/or aromatic esters. The coating compositions are particularly suitable for use in coating wind blades. The present invention also relates to a method of protecting a substrate against rain erosion or solid particle erosion using the coating composition, a coated wind blade or a part thereof, and the use of specific ester(s) in a polyurea-based coating composition for improving the rain erosion resistance or solid-particle erosion resistance of a coating. 2. The coating composition according to wherein the polyamine(s) containing secondary amine groups are cyclic polyamine(s) containing secondary amine groups prepared by reacting one or more cyclic polyamine(s) comprising primary amine groups with an unsaturated dialkyl ester.3. The coating composition according to wherein the polyamine(s) containing secondary amine groups is a polyaspartic ester amine.4. The coating composition according to further comprising solid particles of an amino resin based polymer claim 1 , optionally wherein the amino resin based polymer is a methyl urea based polymer.5. The coating composition according to claim 4 , characterized in that the amino resin based polymer is a crosslinked polymer.6. The coating composition according to claim 4 , characterized in that the solid particles of an amino resin based polymer are present in an amount of 1 to 25% by weight claim 4 , based on the weight of the total coating composition.7. The coating composition according to wherein the polyisocyanate resin has an isocyanate equivalent weight of between 280 g/eq to 500 g/eq.8. The coating composition according to wherein the one or more polyamine(s) comprising secondary amine groups has an amine equivalent weight ...

LOW-SOLVENT COATING SYSTEMS FOR TEXTILES

Provided is a coating composition for the elastic coating of textile materials, comprising at least one blocked, isocyanate-terminated prepolymer (component A), the isocyanate-terminated prepolymer A) being prepared from a polyol component a) IN and an isocyanate component b), and the terminal isocyanate groups being blocked with dialkyl malonate and/or 3,5-dimethylpyrazole, and the isocyanate component b) containing ≥70 wt % of at least one aliphatic polyisocyanate and ≤30 wt % of at least one N aromatic polyisocyanate, based on the total weight of component b), at least one polyamine (component B) and ≤30 wt %, based on the total mass of the coating composition, of at least one organic solvent. Further provided are a method for coating substrates with the coating composition, and also the substrate obtainable in such a method, and, further, the use of the coating composition for producing elastic coatings or elastic films. 115.-. (canceled)16. A coating composition for the elastic coating of textile materials , comprisingat least one blocked, isocyanate-terminated prepolymer (component A), the isocyanate-terminated prepolymer A) being prepared from a polyol component a) and an isocyanate component b), and the terminal isocyanate groups being blocked with dialkyl malonate and/or 3,5-dimethylpyrazole, and the isocyanate component b) containing ≥70 wt % of at least one aliphatic polyisocyanate and ≤30 wt % of at least one aromatic polyisocyanate, based on the total weight of component b),at least one polyamine (component B) and≤30 wt %, based on the total mass of the coating composition, of at least one organic solvent.17. The coating composition according to claim 16 , wherein the terminal isocyanate groups of the isocyanate-terminated prepolymer A) come exclusively from the aliphatic polyisocyanates.18. The coating composition according to claim 16 , wherein the coating composition comprises ≤10 wt % claim 16 , based on the total mass of coating composition claim ...

METHOD FOR PRODUCING ORGANIC MERCAPTO COMPOUND OR INTERMEDIATE THEREOF, (POLY)THIOL COMPONENT, POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, MOLDED PRODUCT, OPTICAL MATERIAL, AND LENS

A method for producing an organic mercapto compound or an intermediate thereof according to the present invention has a reaction step of reacting an alcohol compound including a sulfur atom with a thioamide compound having a structure in which an organic group is bonded to at least one bonding hand of a thioamide group, under acidic conditions. 1. A method for producing an organic mercapto compound or an intermediate thereof , comprising:a reaction step of reacting an alcohol compound including a sulfur atom with a thioamide compound having a structure in which an organic group is bonded to at least one bonding hand of a thioamide group, under acidic conditions.2. The method for producing an organic mercapto compound or an intermediate thereof according to claim 1 ,{'sup': '2', 'wherein a topological polar surface area of the thioamide compound is 10.00 to 51.00 Å.'}4. The method for producing an organic mercapto compound or an intermediate thereof according to claim 3 ,{'sup': '1', 'wherein, in the compound represented by General Formula (2), Ris a monovalent aryl group having 6 to 10 carbon atoms, which optionally be substituted, a monovalent aliphatic group having 1 to 10 carbon atoms, which optionally be substituted, or a monovalent heteroaryl group having 3 to 10 carbon atoms, which optionally be substituted, and substituents of these groups optionally include a hetero atom, and'}{'sup': 2', '3', '2', '3, 'Rand Rare hydrogen atoms or Rand Rare bonded to each other to form a nitrogen-containing heterocyclic ring having 3 to 10 carbon atoms.'}5. The method for producing an organic mercapto compound or an intermediate thereof according to claim 1 , {'br': None, 'sup': '1', 'sub': 'n', 'Q\ue8a0OH\u2003\u2003(1)'}, 'wherein the alcohol compound is represented by General Formula (1),'}{'sup': '1', 'wherein in Formula (1), Qis an n-valent organic group including a sulfur atom and having 1 to 30 carbon atoms, and n is an integer of 1 to 10.'}7. The method for producing ...

REACTIVE POLYURETHANE DISPERSIONS

The present disclosure is drawn to a reactive polyurethane dispersion including a polymer strand having a polymer backbone that has two ends terminating at a first capping unit and a second capping unit. The polymer backbone can include polymerized monomers including a reactive diol and a blend of two or more diisocyanates. The reactive diol can be an acrylate-containing diol, a methacrylate-containing diol, or combination thereof. The first capping unit can be an acrylate-containing monoalcohol or methacrylate-containing monoalcohol reacted with an isocyanate group of the diisocyanates. The second capping unit can be an ionic stabilizing group. The polymer backbone can be devoid of ionic stabilizing groups. 1. A reactive polyurethane dispersion , comprising: a reactive diol selected from an acrylate-containing diol, a methacrylate-containing diol, or a combination thereof, and', 'a blend of two or more diisocyanates;, 'a polymer strand comprising a polymer backbone having two ends terminating at a first capping unit and a second capping unit, wherein the polymer backbone comprises polymerized monomers includingwherein the first capping unit is an acrylate-containing monoalcohol or a methacrylate-containing monoalcohol reacted with an isocyanate group of the diisocyanates;wherein the second capping unit is an ionic stabilizing group; andwherein the polymer backbone is devoid of ionic stabilizing groups.2. The reactive polyurethane dispersion of claim 1 , wherein the reactive polyurethane dispersion has a NCO/OH molar ratio of 1.2 to 10.3. The reactive polyurethane dispersion of claim 1 , wherein the reactive polyurethane dispersion has an acid number of 20 to 100.4. The reactive polyurethane dispersion of claim 1 , wherein the reactive polyurethane dispersion has a double bond density of 1.5 to 10.8. The reactive polyurethane dispersion of claim 1 , wherein the reactive polyurethane dispersion is an ink further comprising a colorant and a photoinitiator.13. The ...

ALIPHATIC POLYCARBONATE POLYOL COMPOSITIONS

The present invention encompasses CO-based polycarbonate polyols that do not degrade from the chain ends to form cyclic carbonate. Importantly, the inventive polyol compositions retain —OH end group functionality desirable for thermoset applications. 3. The method of claim 2 , further comprising in step (i) the use of one or more catalysts.4. The method of or claim 2 , further comprising in step (ii) the use of one or more catalysts.5. A composition comprising a polymer composition of claim 2 , formed from the reaction of the polymer composition of with a cross-linking agent.6. The composition of claim 5 , wherein the composition is a polyurethane. The present application claims priority to U.S. provisional patent application No. 61/974,500, filed Apr. 3, 2014, the entire contents of which are hereby incorporated by reference.This invention pertains to novel aliphatic polycarbonate (APC) compositions having improved thermal and chemical stability, as well as methods of making, formulating and using these novel materials. Also provided are films and higher polymers made from the novel APC compositions, as well as articles coated with, made from, or incorporating these compositions.Aliphatic polycarbonate polyols derived from the copolymerization of carbon dioxide and epoxides such as those described in U.S. Pat. No. 8,247,520 have recently emerged as promising materials for use in thermoset applications. Applications include polyurethane foams (WO2012/071505), thermoplastic polyurethanes (WO2013/138161), adhesives (WO2013/158621), coatings (WO2012/071505), SPUR sealants (WO2013/163442), and composites (WO2012/040454).CO-based polyols provide valuable features in these applications. Depending on the specific application, incorporation of these polyols can provide enhanced strength, high hardness, good adhesion, and UV resistance. However, incorporating these new polyols into thermoset formulations can present certain challenges. Among these challenges are high ...

Improved low-temperature impact resistance in ptmeg-based polyurethane impact modifiers

An impact modifier, which is an isocyanate-terminated polymer, the isocyanate groups of which are partially or completely blocked by reaction with a blocking agent, wherein the isocyanate-terminated polymer is a reaction product of a) one or more polyols including polytetramethylene ether glycol in a fraction of at least 95 wt %, with respect to the total weight of the polyols, and b) two or more polyisocyanates, which include at least one diisocyanate and at least one polyisocyanate having an average isocyanate functionality of 2.5 or more, wherein the molar ratio of isocyanate groups of the one or more diisocyanates to isocyanate groups of the one or more polyisocyanates having an average isocyanate functionality of 2.5 or more lies in the range of 2 to 1 to 20 to 1. The impact modifier is suitable in one-component epoxide resin formulations, one-component epoxide resin glues, but also in two-component epoxide resin formulations.

COMPOSITE MATERIALS BASED ON DUAL-CURE URETHANE POLYMERS AND DUAL-CURE ISOCYANURATE POLYMERS

The invention relates to reaction mixtures having a high ratio of isocyanate groups to isocyanate-reactive groups, which reaction mixtures mostly cure through the formation of isocyanurate groups, and to the use of such reaction mixtures for producing semifinished materials. 1. A reaction mixture having a molar ratio of isocyanate groups to isocyanate-reactive groups of 2:1 to 10:1 comprisinga) a polyisocyanate composition A having a proportion of aliphatically and/or cycloaliphatically bonded isocyanate groups based on a total amount of isocyanate groups present of at least 80 mol %;b) an isocyanate-reactive component B;c) at least one catalytic functionality C1 which catalyzes a reaction of isocyanate groups with isocyanate-reactive groups to afford urethane and/or urea groups; and 'wherein the catalytic functionalities C1 and C2 are brought about by the same compound or by at least two different compounds and a type and amount of the catalytic functionalities C1 and C2 is such that in a temperature range between 10° C. and 50° C. the reaction of isocyanate groups to afford urethane and/or urea groups proceeds at least twice as fast as all other reactions in which isocyanate groups are consumed in the reaction mixture.', 'd) at least one catalytic functionality C2 which catalyzes a reaction of isocyanate groups to afford isocyanurate groups,'}2. The reaction mixture as claimed in claim 1 , wherein the catalytic functionality C1 has a reaction rate coefficient for the reaction of isocyanate groups k(T)at temperatures of at most 50° C. which is larger than a reaction rate coefficient k(T)of the catalytic functionality C2 by at least a factor of 2.3. The reaction mixture as claimed in claim 1 , wherein the isocyanate-reactive component B has a number-average molecular weight of at most 21 000 g/mol.4. The reaction mixture as claimed in claim 1 , wherein the isocyanate-reactive component B on average has an OH number between 100 and 2000 mg KOH/g.5. The reaction ...

AQUEOUS COATING COMPOSITION

The present invention relates to an aqueous coating composition comprising polyurethane A and vinyl polymer, wherein the polyurethane A comprises as building blocks at least: (a) a polyisocyanate(s) containing at least two cyclic groups, (b) a non-cyclic aliphatic diisocyanate(s) whereby the non-cyclic aliphatic group connecting the two isocyanate groups has from 4 to 36 carbon atoms, and (c) a component(s) containing an isocyanate-reactive group(s), whereby the summed amount of (a) and (b) is 10 to 60 wt. %, relative to the total weight amount of components used to prepare the polyurethane A; and whereby the weight ratio between (a) and (b) is in the range from 50:50 to 99:1. 1. An aqueous coating composition comprising polyurethane A and vinyl polymer , wherein the polyurethane A comprising as building blocks at least:(a) a polyisocyanate(s) containing at least two cyclic groups,(b) a non-cyclic aliphatic diisocyanate(s) whereby the non-cyclic aliphatic group connecting the two isocyanate groups has from 4 to 36 carbon atoms, and(c) a component(s) containing an isocyanate-reactive group(s),whereby the summed amount of (a) and (b) is 10 to 60 wt. %, relative to the total weight amount of components used to prepare the polyurethane A; andwhereby the weight ratio between (a) and (b) is in the range from 50:50 to 99:1, andwherein the amount of 1-methyl-2-pyrrolidinone in the aqueous coating composition is less than 3 wt. % by weight of solids content of the coating composition.2. The aqueous coating composition according to claim 1 , wherein the weight ratio of (a) to (b) is from 60:40 to 95:5 claim 1 , preferably from to 65:35 to 90:10.3. The aqueous coating composition according to claim 1 , wherein component (a) is selected from the group consisting of a polyisocyanate(s) containing at least two cycloaliphatic groups claim 1 , polyisocyanate(s) containing at least two aromatic groups and any mixture thereof4. The aqueous coating composition according to claim 1 , ...

AQUEOUS COATING COMPOSITION

The present invention relates to a radiation-curable aqueous coating composition comprising a polyurethane A comprising as building blocks at least: (a) a polyisocyanate(s) containing at least one cyclic group, (b) a non-cyclic aliphatic diisocyanate(s) whereby the non-cyclic aliphatic group connecting the two isocyanate groups has 5 carbon atoms, and (c) a component(s) containing an isocyanate-reactive group(s), whereby the summed amount of (a) and (b) is 10 to 60 wt. %, relative to the total weight amount of components used to prepare the polyurethane A; and optionally radiation-curable diluent; whereby the weight ratio between (a) and (b) is in the range from 50:50 to 99:1; and whereby the ethylenically unsaturated bond concentration of the coating composition is in the range from 0.5 to 6 milliequivalents per g of polyurethane A and radiation-curable diluent. 1. A radiation-curable aqueous coating composition comprising (a) a polyisocyanate(s) containing at least one cyclic group,', '(b) a non-cyclic aliphatic diisocyanate(s) whereby the non-cyclic aliphatic group connecting the two isocyanate groups has 5 carbon atoms, and', '(c) a component(s) containing an isocyanate-reactive group(s),', 'whereby the summed amount of (a) and (b) is 10 to 60 wt. %, relative to the total weight amount of components used to prepare the polyurethane A; and', 'whereby the weight ratio between (a) and (b) is in the range from 50:50 to 99:1; and, 'a polyurethane A comprising as building blocks at leastthe composition optionally further comprises radiation-curable diluent;whereby the ethylenically unsaturated bond concentration of the coating composition is in the range from 0.5 to 6 milliequivalents per g of polyurethane A and radiation-curable diluent.2. The aqueous coating composition according to claim 1 , wherein the weight ratio of (a) to (b) is from 60:40 to 95:5 claim 1 , preferably from to 65:35 to 90:10.3. The aqueous coating composition according to claim 1 , wherein ...

GOLF BALL CORES HAVING FOAM CENTER AND THERMOSET OUTER LAYERS WITH HARDNESS GRADIENTS

Multi-layered golf ball core sub-assemblies and the resulting golf balls are provided. The core structure includes an inner core (center) comprising a foam composition, preferably foamed polyurethane. The intermediate and outer core layers are preferably formed from foamed and non-foamed thermoset compositions. For example, the intermediate core can be formed from a thermoset rubber so there are adjoining foam core layers (inner and intermediate) and the outer core layer can be formed from a non-foamed thermoset rubber. The core layers have different hardness and specific gravity levels. The core assembly preferably has a positive hardness gradient extending across the entire assembly. The core structure and resulting ball have relatively good resiliency. 1. A golf ball , comprising:{'sub': skin of inner core', 'center of inner core', 'skin of inner core', 'center of inner core', 'inner core surface', 'inner core center', 'inner core surface', 'inner core center, 'i) a core assembly, the core assembly comprising an inner core layer comprising a first foamed composition, the inner core layer having a diameter in the range of about 0.100 to about 1.100 inches, an outer surface specific gravity (SG) and a center specific gravity (SG), the (SG) being greater than the (SG) to provide a positive density gradient, and an outer surface hardness (H) and a center hardness (H), the Hbeing greater than the Hto provide a positive hardness gradient;'}{'sub': intermediate', 'outer surface of IC', 'inner surface of IC', 'outer surface of IC', 'inner surface of IC, 'ii) an intermediate core layer comprising a second foamed composition, the foamed composition including a first thermoset material and the intermediate layer being disposed about the inner core and having a thickness in the range of about 0.050 to about 0.400 inches, a specific gravity (SG), and an outer surface hardness (H) and an inner surface hardness (H), the Hbeing the same or less than the Hto provide a zero or ...

HARD POLYURETHANE FOAM

A rigid polyurethane foam which has ultrafine cells, has a low thermal conductivity of 0.0190 W/(m·K) or lower, exhibits excellent heat insulating properties and flame retardancy, and has very little impact on global warming, without using a special apparatus such as a gas loading device. Provided is a rigid polyurethane foam which is obtained by mixing and reacting raw materials including a polyol, a polyisocyanate, a blowing agent, and a catalyst. The rigid polyurethane foam contains the polyol containing a polyester polyol having an aromatic component concentration of 17-35 wt. %, and a non-amine-based polyether polyol and/or an aromatic amine-based polyether polyol; the polyisocyanate in which MDI/TDI are mixed at a ratio of 4/6 to 9/1; and the blowing agent containing a halogenated olefin. 1. A rigid polyurethane foam , which is obtained by mixing and reacting raw materials comprising a polyol , a polyisocyanate , a blowing agent , and a catalyst , whereinthe polyol comprises a polyester polyol having an aromatic concentration of 17 to 35% by weight, and a non-amine-based polyether polyol and/or aromatic amine-based polyether polyol,the polyisocyanate is a mixture of MDI (diphenylmethane diisocyanate)/TDI (tolylene diisocyanate) in a weight ratio of 4/6 to 9/1, andthe blowing agent comprises a halogenated olefin.2. The rigid polyurethane foam according to claim 1 , wherein the blowing agent has a global warming potential of 10 or less.3. The rigid polyurethane foam according to claim 1 , wherein the halogenated olefin is 1 claim 1 ,1 claim 1 ,1 claim 1 ,4 claim 1 ,4 claim 1 ,4-hexafluorobutene.4. The rigid polyurethane foam according to claim 1 , wherein the rigid polyurethane foam has a density of 33 to 60 kg/m claim 1 , a cell size of 230 μm or less claim 1 , and a thermal conductivity of 0.0190 W/(m·K) or less. The present invention relates to a rigid polyurethane foam, obtained by reaction of a specific polyol, a specific polyisocyanate, and a specific ...

POLYOL OR POLYTHIOL COMPOUND, PREPARATION METHOD THEREFOR, TRANSPARENT POLYURETHANE-BASED RESIN PREPARED THEREFROM, AND OPTICAL BODY

The present invention relates to a novel polyol or polythiol having three or more functional groups, a preparation method there for, and an optical body manufactured therefrom. Especially, the present invention relates to a poly(thio)urethane-based resin and an optical body, such as lenses, manufactured using the resin, wherein the poly(thio)urethane-based resin is prepared by obtaining a novel polyol and then combining a polythiol, which is prepared from the obtained polyol, with a polyiso(thio)cyanate. 123-. (canceled)25. The polyol compound according to claim 24 , as represented by Formula (a) or (b) claim 24 , wherein Y is an oxygen atom; Ra is a methyl or ethyl group; and Rb is one substituent selected from the group consisting of the following substituents:{'sub': 2', '2', '2', '2', '2', '2', '2', '2, '—CHCH(OH)CHF, —CHCH(OH)CHCl, —CHCH(OH)CHBr, —CHCH(OH)CHI,'}{'sub': 2', '2', '2', '2', '2', '3, '—CHCH(OH)CHSCHCH(OH)CHSCHCH(OH)CH,'}{'sub': 2', '2', '2', '2', '3', '2, '—CHCH(OH)CHSCHCH(OH)CHSCH(CH)CHOH,'}{'sub': 2', '2', '2', '3, '—CHCH(OH)CHSCHCH(OH)CH,'}{'sub': 2', '2', '3', '2, '—CHCH(OH)CHSCH(CH)CHOH,'}{'sub': 2', '2', '2', '2', '3, '—CHCH(OH)CHSCHCH(OH)CHCH,'}{'sub': 2', '2', '2', '3', '2, '—CHCH(OH)CHSCH(CHCH)CHOH,'}{'sub': 2', '2', '2', '2', '2', '2', '3, '—CHCH(OH)CHSCHCH(OH)CHSCHCH(OH)CHCH, and'}{'sub': 2', '2', '2', '2', '2', '3', '2, '—CHCH(OH)CHSCHCH(OH)CHSCH(CHCH)CHOH.'}26. The polythiol compound according to claim 24 , as represented by Formula (a) or (b) claim 24 , wherein Y is a sulfur atom; Ra is a methyl or ethyl group; and Rb is one substituent selected from the group consisting of the following substituents:{'sub': 2', '2', '2', '2', '3', '2, '—CH(CHSH)CHSH, —CHCH(CHSH)SCH(CH)CHSH,'}{'sub': 2', '2', '2', '3', '2', '2', '3', '2, '—CHCH(CHSH)SCHCH(CH)SH, —CH(CHSH)CHSCH(CH)CHSH,'}{'sub': 2', '2', '2', '3, '—CH(CHSH)CHSCHCH(CH)SH,'}{'sub': 2', '2', '2', '3', '2, '—CHCH(CHSH)SCH(CHCH)CHSH,'}{'sub': 2', '2', '2', '2', '3, '—CHCH(CHSH)SCHCH(CHCH)SH ...

ADHESIVE COMPOSITION

The present disclosure provides an adhesive composition including an aliphatic urethane (meth)acrylate, a thickener and a spacer. The adhesive composition has printability that printing can be effectively performed into a pattern with a thin width or the like, and is capable of forming an adhesive having excellent physical properties such as transparency, a gap maintaining ability capable of maintaining a constant cell gap between films and adhesive force. The adhesive composition is useful for constituting an optical element for HMDs. 1. An adhesive composition , comprising:an aliphatic urethane (meth)acrylate;a thickener; anda spacer.2. The adhesive composition according to claim 1 , of which a viscosity is 200 claim 1 ,000 cP or more claim 1 , the viscosity being measured at room temperature at a shear rate of 0.1 sec.3. The adhesive composition according to claim 1 , wherein the urethane (meth)acrylate comprises units of aliphatic polyol claim 1 , diisocyanate compound and (meth)acrylate having a hydroxyl group at its terminal.4. The adhesive composition according to claim 1 , wherein the urethane (meth)acrylate has a glass transition temperature of 80° C. or lower.5. The adhesive composition according to claim 1 , wherein the urethane (meth)acrylate has a weight average molecular weight in a range of 1 claim 1 ,000 to 100 claim 1 ,000.6. The adhesive composition according to claim 1 , wherein the urethane (meth)acrylate is comprised in a ratio the adhesive composition in a range of 50 to 90 weight %.7. The adhesive composition according to claim 1 , wherein the thickener is fumed silica claim 1 , clay claim 1 , zeolite or talc.8. The adhesive composition according to claim 1 , wherein the thickener is comprised in an amount from 5 to 50 parts by weight relative to 100 parts by weight of the aliphatic urethane (meth)acrylate.9. The adhesive composition according to claim 1 , wherein the spacer has a D50 particle diameter in a range of from 10 μm to 200 μm.10. ...

POLYURETHANE-BASED COMPOSITION

The present invention relates to a composition comprising: an—NCO component comprising: A) at least one polyurethane comprising at least two NCO end groups obtained by polyaddition reaction: of a composition comprising at least one diisocyanate, of a composition comprising at least one polyol, B) at least one polyisocyanate comprising at least three isocyanate NCO functions, selected from the group consisting of biurets, of isocyanurates, of adducts of diisocyanates and triols, and of mixtures thereof; an —OH component comprising: at least two polyols P1 having a number-average molecular weight of strictly less than 500 g/mol and at least one polyol P2 having a number-average molecular weight of strictly greater than 1000 g/mol, said composition comprising at least one rheology agent. 118-. (canceled)19. A composition comprising: [ of a composition comprising at least one diisocyanate; and', 'of a composition comprising at least one polyol; and, 'A. at least one polyurethane including at least two NCO end groups obtained by a polyaddition reaction, 'B. at least one polyisocyanate comprising at least three isocyanate —NCO functions selected from the group consisting of biurets, isocyanurates, adducts of diisocyanates and of triols, and mixtures thereof;, 'an —NCO component comprising [ at least one polyol P1 comprises at least three hydroxyl functions; and', 'at least one polyol P1 comprises at least two hydroxyl functions; and, 'at least two polyols P1 each having a number-average molecular mass strictly less than 500 g/mol, said polyols P1 being such that, 'at least one polyol P2 having a number-average molecular mass strictly greater than 1000 g/mol, and, 'an —OH component comprisingat least one rheological agent.20. The composition as claimed in claim 19 , wherein the —OH component comprises at least one rheological agent claim 19 , and the —NCO component comprises at least one rheological agent which may be identical to or different from that of the —OH ...

PHOTOCHROMIC COMPOUND, CURABLE COMPOSITION CONTAINING SAID PHOTOCHROMIC COMPOUND, AND OPTICAL ARTICLE

The invention is a photochromic compound having an indenonaphthopyran skeleton, and the indenonaphthopyran skeleton has an alkenyl group having 10 to 30 carbon atoms, and an oligomer chain group A having 3 or more recurring units selected from a polyalkylene oxide oligomer chain group, a polyester oligomer chain group, a polysiloxane chain group and a polyester polyether oligomer chain group. The invention can provide a photochromic compound capable of expressing excellent photochromic characteristics in various cured products and capable of preventing cured products from becoming cloudy. 1. A photochromic compound having an indenonaphthopyran moiety , in which the indenonaphthopyran moiety has:an alkenyl group having 10 to 30 carbon atoms, andan oligomer chain group A having 3 or more recurring units selected from a polyalkylene oxide oligomer chain group, a polyester oligomer chain group, a polysiloxane chain group and a polyester polyether oligomer chain group.6. The photochromic compound according to claim 2 ,{'sup': 5', '6, 'wherein Rand Rmay together form, along with the 13-positioned carbon atom in the indenonaphthopyran moiety to which they bond, an aliphatic ring having 3 to 20 ring carbon atoms, a condensed polycyclic ring formed by condensation of the aliphatic ring with an aromatic ring or an aromatic hetero ring, a hetero ring having 3 to 20 ring atoms, or a condensed polycyclic ring formed by condensation of the hetero ring with an aromatic ring or an aromatic hetero ring; and these rings may have a substituent;'}the substituent may be the oligomer chain group A, the alkenyl group having 10 to 30 carbon atoms, or a group having an alkenyl group having 10 to 30 carbon atoms at the terminal thereof.7. The photochromic compound according to claim 1 , having a group to form an aliphatic hydrocarbon ring along with the 13-position carbon atom of the indenonaphthopyran moiety claim 1 , wherein the group to form an aliphatic hydrocarbon ring is a ring ...

Polyurethanes, articles and coatings prepared therefrom and methods of making the same

The present invention provides polyurethanes including a reaction product of components including: (a) an isocyanate functional urethane prepolymer including a reaction product of components including: (i) about 1 equivalent of at least one polyisocyanate; and (ii) about 0.01 to about 0.5 equivalent of at least one polyol having at least 3 hydroxyl groups; and (b) about 0.1 to about 1.0 equivalent of at least one polyol having at least 3 hydroxyl groups; compositions, coatings and articles made therefrom and methods of making the same.

Laminate, food packaging material, and method for producing laminate

In a laminate film 1 including a substrate 2 , a polyurethane layer 3 formed on the substrate 2 , and a metal vapor deposition layer 4 formed on the polyurethane layer 3 , a coating liquid is applied on the substrate 2 and dried to produce the polyurethane layer 3 . The coating liquid contains a water dispersible polyisocyanate and a polyurethane dispersion containing polyurethane resin produced by reaction of an isocyanate group-terminated prepolymer with a chain extender. The isocyanate group-terminated prepolymer is produced by reaction of a polyisocyanate component including xylylene diisocyanate and/or hydrogenated xylylene diisocyanate and a polyol component including diol having 2 to 6 carbon atoms and an active hydrogen group-containing compound containing a hydrophilic group.

PROCESS FOR THE CONTINUOUS PRODUCTION OF POLYETHER POLYOLS

This invention relates to a process for the continuous production of polyether polyols, polyether polyols produced by the inventive continuous process and their use in polyurethane applications. 1. A process for continuous production of polyether alcohols , the process comprising:(a) continuously adding at least one aromatic amine (AA) at one dosing point D1 to an arrangement R1 comprising at least one plug-flow reactor (PFR) and/or a cascade of at least two continuously stirred tank reactors (CSTRs), and reacting with at least one alkylene oxide 1 (AO1) which is continuously dosed into the arrangement R1 at one or more dosing points D2 to generate an intermediate (I); and subsequently(b) continuously transferring the intermediate (I) into another arrangement R2 comprising at least one further reactor, and reacting with at least one alkylene oxide 2 (AO2) in the presence of at least one amine compound (AC), wherein at least one of the at least one amine compounds AC is selected from the group consisting of imidazoles.2. The process according to claim 1 , wherein the adding (a) comprises an autocatalytic reaction.3. The process according to claim 1 , wherein no additional compounds are added in the adding (a) claim 1 , in addition to the at least one aromatic amine (AA) and the at least one alkylene oxide 1 (AO1).4. The process according to claim 1 , wherein the arrangement R1 in the adding (a) consists of a cascade of two continuously stirred tank reactors (CSTRs).5. The process according to claim 1 , wherein the arrangement R1 in the adding (a) consists of one plug-flow reactor claim 1 , two plug-flow reactors or three plug-flow reactors.6. The process according to claim 1 , wherein the arrangement R1 in the adding (a) is a combination of (i) at least one plug-flow reactor and (ii) one continuously stirred tank reactor (CSTR) or a cascade of at least two continuously stirred tank reactors.7. The process according to claim 1 , wherein each of the at least one PFRs ...

PLASTICIZATION-RESISTANT POLYURETHANE MEMBRANE AND PREPARATION METHOD THEREOF

A plasticization-resistant polyurethane membrane for gas separation and producing method are disclosed. The plasticization-resistant polyurethane membrane may include a soft segment, a hard segment and a chain extender. The soft segment may include a polyol compound and the hard segment may include a diisocyanate. The plasticization-resistant polyurethane membrane may be a cross-linked polyurethane membrane. 1. A plasticization-resistant polyurethane membrane for gas separation comprising: [{'br': None, 'sub': a', 'b', 'a, 'PEG-PPG-PEG\u2003\u2003(I)'}, {'br': None, 'sub': b', 'a', 'b, 'PPG-PEG-PPG\u2003\u2003(II)'}], 'a soft segment including a polyol compound, the polyol compound comprising a block copolymer of the following formulas (I) and (II)where a and b comprise an integer from 3 to 50; anda hard segment including a diisocyanate and a chain extender, the plasticization-resistant polyurethane membrane comprising covalent ester crosslinks.2. The plasticization-resistant polyurethane membrane of claim 1 , wherein the soft segment comprises a polyether and a polyester claim 1 , the polyether and the polyester including one or more of poly (tetramethylene ether) glycol claim 1 , polypropylene glycol claim 1 , polyethylene glycol claim 1 , polydimethylsiloxane hydroxyl terminated claim 1 , and polycarprolactone.3. The plasticization-resistant polyurethane membrane of claim 1 , wherein the plasticization polyurethane membrane having a weight consisting of weights of the soft segment and the hard segment claim 1 ,wherein the soft segment comprises 60-80 weight percent of plasticization-resistant polyurethane membrane weight.4. The plasticization-resistant polyurethane membrane of claim 1 , wherein the block copolymer comprises an average molecular weight of at least 1000.5. The plasticization-resistant polyurethane membrane of claim 1 , wherein the diisocyanate includes one or more of isophorone diisocyanate (IPDI) claim 1 , toluene diisocyanate (TDI) claim 1 , ...

DISPERSION ADHESIVES

The invention relates to the use of aqueous dispersion adhesives on the basis of a mixture of aqueous polyurethane or polyurethane-urea dispersions for bonding foam substrates according to the spray coagulation method. 19-. (canceled)10. An adhesive-bonded foam substrates comprising:a foam substrate;a second substrate; andan adhesive composition applied to bond the foam substrate to the second substrate,{'claim-text': ['an aqueous dispersion comprising a mixture of:', {'claim-text': {'claim-text': ['I (i). at least one difunctional aliphatic polyester polyol having a molecular weight of 400 to 5000 q/mol,', 'I (ii). at least one mixture of hexamethylene diisocyanate (HDI) and 1-isocyanato-3,3,5-trimethyl-5-isocyanatomethylcyclohexane (IPDI), and', 'I (iii). at least one mixture of two or more aminic chain extenders, wherein at least one compound bears an ionic group,', 'and the polymer A) after drying is semicrystalline or crystalline with a glass transition at a glass transition temperature Tq of between −65° C. and −40° C., and'], '#text': 'I. a polymer A) formed from'}, '#text': 'A) an aqueous polyurethane or polyurethane-urea dispersion comprising'}, {'claim-text': [{'claim-text': ['II(i). at least one difunctional aromatic polyester polyol having a molecular weight of 400 to 5000 q/mol,', 'II (ii). at least one difunctional polyol component having a molecular weight of 62 to 399,', 'II (iii). at least one aliphatic diisocyanate and', 'II (iv). at least one aminic chain extender having an ionic group,'], '#text': 'II. a polymer B) formed from'}, 'wherein the polymer B) after drying is amorphous with a glass transition at a glass transition temperature Tq of between −15° C. and +10° C.:'], '#text': 'B) an aqueous polyurethane or polyurethane-urea dispersion which differs from A) and contains'}], '#text': 'wherein the adhesive composition comprises:'}and wherein the mixture contains 34.8% to 90.2% by weight of polymer A) and 9.8% to 65.2% by weight of polymer B), ...

ONE COMPONENT POLYURETHANE DISPERSION FOR VINYL WINDOWS AND OTHER SUBSTRATES

The present invention provides an aqueous polyurethane dispersion (PUD) comprising an amorphous polyester having a glass transition temperature (T) as determined by differential scanning calorimetry of less than −30° C.; wherein the aqueous polyurethane dispersion (PUD) has a glass transition temperature (T) as determined by differential scanning calorimetry (DSC) of 0° C. to 20° C. and a hard block content of greater than 50%. Coatings, adhesives, sealants, paints, primers and topcoats, made from the inventive aqueous polyurethane dispersion (PUD) pass detergent resistance testing according to the American Architectural Manufacturers Association's standard, AAMA 615-13, have a pencil hardness according to ASTM D3363 of at least 3H, and are particularly suited for use on low surface energy substrates such as vinyl and other surfaces including floors, windows, doors, window frames, door frames, window shutters, railing, gates, pillars, arbors, pergolas, trellises, gazebos, posts, fencing, pipes and fittings, wire and cable insulation, automobile components, credit cards, and siding. 1. A primer containing an aqueous polyurethane dispersion (PUD) comprising the reaction product of:(i) a polyisocyanate;(ii) a polymeric polyol having a number average molecular weight of 400 to 8,000 g/mol;(iii) a compound comprising at least one isocyanate-reactive group and an anionic group or potentially anionic group;(iv) an amorphous polyester having a glass transition temperature (Tg) as determined by differential scanning calorimetry (DSC) of less than −30° C.;(v) water;(vi) a mono functional polyalkylene ether;(vii) a polyol having a molecular weight of less than <400 g/mol, and(viii) a polyamine or amino alcohol having a molecular weight of 32 to 400 g/mol,{'sub': 'g', 'wherein the aqueous polyurethane dispersion (PUD) has a glass transition temperature (T) as determined by differential scanning calorimetry (DSC) of 0° C. to 20° C. and a hard block content of greater than 50%.'} ...

POLYISOCYANATE COMPOSITION, BLOCKED POLYISOCYANATE COMPOSITION, HYDROPHILIC POLYISOCYANATE COMPOSITION, COATING MATERIAL COMPOSITION, AND COATING FILM

The present invention provides a polyisocyanate composition and the like that contain a polyisocyanate compound represented by general formula (I), (II), (III) or (IV) (wherein the pluralities of R, R, Rand Reach independently represent an organic group, at least one of the pluralities of R, R, Rand Ris a group represented by general formula (V) (wherein each of the plurality of Yindependently represents a single bond or the like, Rrepresents a hydrogen atom or the like, and the wavy line indicates a bonding site) or the like, and in general formula (III), Rrepresents a residue in which one hydroxyl group has been removed from a monohydric or higher alcohol). 3. The polyisocyanate composition according to claim 2 , comprising polyisocyanate compounds represented by the general formula (I) and the general formula (II) claim 2 , whereina molar ratio between iminooxadiazinedione structures and isocyanurate structures is at least 0.01 but not more than 1.5.5. The polyisocyanate composition according to claim 2 , comprising a polyisocyanate compound represented by the general formula (II) claim 2 , wherein a theoretical reaction rate calculated from an NCO % of the polyisocyanate composition is not more than 47%.6. The polyisocyanate composition according to claim 2 , comprising a polyisocyanate compound represented by the general formula (II) claim 2 , wherein a theoretical reaction rate calculated from an NCO % of the polyisocyanate composition is at least 95% but not more than 150%.7. The polyisocyanate composition according to claim 4 , comprising a polyisocyanate compound (A) represented by the general formula (II) claim 4 , and a triisocyanate compound (B) represented by the general formula (V)-1 claim 4 , whereina surface area ratio ((A)/[(A)+(B)]) between a peak surface area (A) of a number average molecular weight of the polyisocyanate compound (A) and a peak surface area (B) of a number average molecular weight of the triisocyanate compound (B), obtained by a ...

ALIPHATIC THERMOPLASTIC POLYURETHANES, PRODUCTION AND USE THEREOF

The present invention relates to aliphatic, lightfast thermoplastic polyurethanes having improved blooming behaviour, good heat resistance and fast industrial processability, and the preparation and use thereof. 114.-. (canceled)15. An aliphatic , light-stable thermoplastic polyurethanes obtained from a1) from 100 to 70 mol % of 1,10-diisocyanatodecane and/or 1,12-diisocyanatododecane,', 'a2) 0-30 mol % of one or more aliphatic, cycloaliphatic and/or aromatic diisocyanates with the exception of 1,10-diisocyanatodecane and 1,12-diisocyanatododecane,, 'A) an isocyanate component consisting of'}B) at least one polyol component selected from the group consisting of polyester polyols, polyether polyols, polyether ester polyols, polycarbonate polyols and polyether carbonate polyols, in each case having number average molecular weights of from 500 to 8000 g/mol,C) at least one chain extender component, selected from the group consisting of ethanediol, 1,2-propanediol, 1,3-propanediol, 1,3-butanediol, 1,4-butanediol, 1,5-pentanediol, 3-methyl-1,5-pentanediol, 1,6-hexanediol, 1,8-octanediol, 1,10-decanediol, 1,2-dodecanediol, 1,4-cyclohexanediol, bis(hydroxymethyl)cyclohexane, 1,4-di(hydroxyethyl)hydroquinone, neopentyl glycol, 1,4-butenediol, diethylene glycol, triethylene glycol, tetraethylene glycol, dipropylene glycol, tripropylene glycol, dibutylene glycol, bis(ethylene glycol) terephthalate, bis(1,3-propanediol) terephthalate, bis(1,4-butanediol) terephthalate, ethoxylated bisphenols, ethylenediamine, 1,2-propylenediamine, 1,3-propylenediamine, N-methylpropylenediamine, N,N′-dimethylethylenediamine, isophoronediamine, 2,4-toluylenediamine, 2,6-toluylenediamine, 3,5-diethyl-2,4-toluylenediamine, 3,5-diethyl-2,6-toluylenediamine, and 2-hydroxyethylamine,D) optionally monofunctional chain terminatorsin the presence ofE) optionally catalysts,F) from 0.05 to 5% by weight, based on the thermoplastic polyurethane, of oxidation and/or light stabilizers,G) optionally further ...

WEATHER-RESISTANT POLISHING PAD

A weather-resistant polishing pad, including an upper layer operating for polishing, a buffer layer, and a transparent base. The buffer layer is disposed between the upper layer and the transparent base, and the upper layer, the buffer layer, and the transparent base are bonded via a pressure sensitive adhesive or an adhesive agent. The upper layer includes a weather-resistant polyurethane prepolymer, a curing agent, and a functional filler. The polyurethane prepolymer is a polymerization product of polyol and polyfunctional isocyanate. The polyfunctional isocyanate includes a first isocyanate containing no benzene ring, or the first isocyanate having an isocyanato group and a benzene group, and the isocyanato group and the benzene group are connected indirectly. 2. The polishing pad of claim 1 , whereinthe first isocyanate containing no benzene ring is methylene-bis-4,4′-cyclohexyl isocyanate, cyclohexyl diisocyanate, isophorone diisocyanate, hexamethylene diisocyanate, propilidene-1,2-diisocyanate, tetramethylene-1,4-diisocyanate, 1,6-hexamethylene diisocyanate, dodecane-1,12-diisocyanate, cyclobutane-1,3-diisocyanate, cyclohexane-1,3-diisocyanate, cyclohexane-1,4-diisocyanate, 1-isocyanato-3,3,5-trimethyl-5-isocyanato methylcyclohexane, methyl cyclohexene diisocyanate, triisocyanate of hexamethylene diisocyanate, triisocyanate of 2,4,4-trimethyl-1,6-hexane diisocyanate, hexamethylene diisocyanate, ethylene diisocyanate, 2,2,4-trimethyl hexamethylene diisocyanate, dicyclohexyl methane diisocyanate, a derivative thereof, an oligomer thereof, or a mixture thereof; andthe first isocyanate having an isocyanato group and a benzene group which are indirectly connected is benzene dimethylene diisocyanate, benzene diethylene diisocyanate, benzene diisopropylidene diisocyanate, tetramethyl benzene dimethylene diisocyanate, a modified compound thereof, a derivative thereof, an oligomer thereof, or a mixture thereof.3. The polishing pad of claim 1 , wherein the ...

PROCESS FOR MAKING A POLYMER POLYOL

This invention relates to a continuous process for making a polymer polyol, the polymer polyol produced according to the said process and its applications. 1. Continuous process for making a polymer polyol , comprisingmixing at least one melted thermoplastic styrene-acrylonitrile-copolymer (TP) with at least one polyol (P) in the presence of at least one stabilizer (S), comprising from 10 to 70% by weight, based on the sum of all components, of at least one polyol P2, and of at least one polyol CSP which comprises the reaction product of at least one macromere M, styrene and acrylonitrile in P2, optionally with an initiator and/or a chain transfer agent,wherein the content of macromere M of the stabilizer (S) is between 30-70 wt %, based on the sum of all components, and/orwherein the polyol CSP is comb-structured, and{'sub': 'g', 'wherein, in a first stage (1), TP, P and S are fed into an extruder (E) to form an initial dispersion, and the initial dispersion obtained from the extruder is then fed, in a second stage (2), into at least one rotor-stator device (RS) comprising at least one rotor-stator combination, and (3) the dispersion is cooled below the Tof the thermoplastic styrene-acrylonitrile-copolymer (TP) after passing all of the rotor-stators (RS) to obtain the final polymer polyol,'}wherein a macromere is defined as a molecule which comprises one or more polymerizable double bonds and one or more hydroxyl-terminated polyether tails.2. Process according to claim 1 , wherein the extruder (E) is divided into at least two separate process zones claim 1 , and an extruder head.3. Process according to claim 2 , wherein TP is fed into the first process zone Z1 of the extruder E claim 2 , S is fed into the second process zone Z2 or a later process zone claim 2 , and P is fed into one of the process zones following the process zone of addition of S claim 2 , wherein the terms “first” and “second” refer to the flow direction of the reaction mixture in the extruder E.4 ...

Polymerizable composition for optical material, optical material and method for producing optical material

Disclosed is a polymerizable composition for o an optical material containing tolylene diisocyanate, hexamethylene diisocyanate, and one or more polythiol compounds selected from the group consisting of 4-mercaptomethyl-1,8-dimercapto-3,6-dithiaoctane, 4,8-, 4,7- or 5,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, pentaerythritol tetrakismercaptoacetate, pentaerythritol tetrakismercaptopropionate, 2,5-bis(mercaptomethyl)-1,4-dithiane, bis(mercaptoethyl)sulfide, 1,1,3,3-tetrakis(mercaptomethylthio)propane, 4,6-bis(mercaptomethylthio)-1,3-dithiane and 2-(2,2-bis(mercaptomethylthio)ethyl)-1,3-dithietane.

FLEXIBLE MICROSPHERE ARTICLES HAVING HIGH TEMPERATURE STABILITY

There is provided an article a binder resin layer comprising an aliphatic polyurethane polymer comprising a plurality of soft segments, and a plurality of hard segments, where the soft segments comprise polycarbonate polyol; and a plurality of microspheres partially embedded and adhered to a first major surface of the binder resin layer, wherein the specific chemical identities and relative amounts of the segments and moieties of the aliphatic polyurethane polymer are sufficient to impart a glass transition temperature of 10° C. or less in the article and a storage modulus in the article that changes less than 15 MPa from 25° C. to 175° C. 1. An article comprising:(a) a binder resin layer comprising an aliphatic polyurethane polymer comprising a plurality of soft segments, and a plurality of hard segments, wherein the soft segments comprise polycarbonate polyol; and(b) a plurality of microspheres partially embedded and adhered to a first major surface of the binder resin layer,wherein the specific chemical identities and relative amounts of the segments and moieties of the aliphatic polyurethane polymer are sufficient to impart a glass transition temperature of 10° C. or less in the article and a storage modulus in the article that changes less than 15 MPa from 25° C. to 175° C.2. The article of wherein the amount of hard segments is 10 to 90 percent by weight claim 1 , the amount of soft segments is 10 to 90 percent by weight claim 1 , and the total amount of the hard and soft segments being at least 80 percent by weight claim 1 , the weights being based on the weight of the polyurethane polymer.3. The article of claim 1 , wherein the change in storage modulus is less than 7M Pa from 25° C. to 175° C.4. The article of claim 1 , wherein the change in storage modulus is less than 5M Pa from 25° C. to 175° C.5. The article of claim 1 , wherein the storage modulus at 175° C. is greater than or equal to 0.2 MPa.6. The article of claim 1 , wherein the storage modulus at ...

STORAGE STABLE RESIN FILMS AND FIBRE COMPOSITE COMPONENTS PRODUCED THEREFROM

The invention relates to a storage-stable resin film based on polyurethane systems having a very high characteristic number and fibre-composite components (composite components, moulded bodies) produced therefrom by compressing the resin film, in combination with fibre-reinforced materials such as woven fabrics and fleece, at high temperatures and under pressure, and to a method for the production thereof. 17-. (canceled)8. A resin film composed of polyurethane that has not been fully hardened , with an NCO value of from 8% by weight to 16% by weight , and that has a T-value below 40° C. measured in accordance with DIN 53765-A-20 , where the polyurethane is obtainable from a reaction mixture composed ofA) one or more di- and/or polyisocyanates selected from the group consisting of aromatic di- and/or polyisocyanates and polymeric homologs thereof, and blends thereof,B) a polyol component made of one or more polyols with an average OH number of from 30 to 1000 mg KOH/g measured in accordance with DIN EN ISO 53240, having an average functionality of from 1.9 to 2.5,C) one or more dianhydrohexitols,D) one or more latent catalysts which are catalytically active at temperatures of from 50° C. to 100° C., andE) optionally auxiliaries and/or additives, other than polyepoxides;where the initial viscosity of the reaction mixture at 40° C. is from 30 to 500 mPas measured in accordance with DIN 53019, and the ratio of the number of the NCO groups in componentA) to the number of the OH groups in component B) is from 1.35:1 to 10:1.9. The resin film as claimed in claim 8 , where the amount of component C) present is from 5 to 15% by weight claim 8 , based on components A) to E).10. A sheet-like fiber-composite component composed of at least one resin film as claimed in and of at least one sheet-like fiber layer claim 8 , wherein the resin film has been fully hardened.11. The sheet-like fiber-composite component as claimed in claim 10 , wherein the fiber layer is composed of ...

High Functional Polyester Polyols

Aromatic polyester polyols with high functionality, moderate viscosity, and high aromatic content suitable as the sole polyol in the production of polyurethane foams without the use of any polyether polyols are disclosed. This unique combination of properties makes them suit for use as the sole polyol in the production of polyurethane foams. With reduction of flame retardants, these foams based on sole aromatic polyol can have E-84 class one fire properties. The aromatic polyester polyols of this invention are characterized as having a functionality of greater than 2.8 while having a moderate viscosity ranging from 4,000-10,000 cps @ 25 C. A typical high functional polyester polyol of the present invention has a hydroxyl number in the range of 320-400, viscosity of 4,000-10,000 cps @ 25 C, functionality of greater than 2.8 and percent phenyl content greater than 14.75. 1. A high functional , moderate viscosity aromatic polyester polyol and essentially free of polyether polyol , suitable as the sole polyol in the production of polyurethane foams that have an E-84 tunnel fire test class one rating , said aromatic polyester polyol having a functionality range from 2.8 to 3.2 and a moderate viscosity ranging from 4 ,000-10 ,000 cps @ 25 C inclusive , wherein said polyol is prepared by the transesterification or esterification of a mixture comprising:34-66% w/w glycols,24 34 w/w terephthalate source,0-17% w/w glycerin,0-14% w/w pentaerythriol,0-5% w/w methyl glucoside,0-10% w/w sorbitol,0-15% w/w natural vegetable oil, modified natural vegetable oil or fatty acid derivatives of vegetable oil.2. The aromatic polyester polyol of wherein the glycol is ethylene glycol claim 1 , diethylene glycol claim 1 , triethylene glycol claim 1 , tetraethylene glycol claim 1 , polyethylene glycol claim 1 , propylene glycol claim 1 , dipropylene glycol claim 1 , tripropylene glycol claim 1 , tetrapropylene glycol or polypropylene glycol.3. The aromatic polyester polyol of wherein the ...

PRECURSOR FORMULATIONS FOR A LINER, A ROCKET MOTOR INCLUDING THE LINER, AND RELATED METHODS

A precursor formulation of a liner comprising a polymer and at least two curatives is disclosed. One of the at least two curatives comprises a curative formulated to preferentially react with the polymer and the other of the at least two curatives comprises a blocked curative formulated to be substantially unreactive with the polymer. A method of lining a rocket motor is also disclosed, as is a rocket motor including the liner. 1. A precursor formulation of a liner , comprising:a polymer; andat least two curatives, one of the at least two curatives comprising a curative formulated to preferentially react with the polymer and the other of the at least two curatives comprising a blocked curative formulated to be substantially unreactive with the polymer.2. The precursor formulation of claim 1 , wherein the polymer comprises hydroxyl functional groups.3. The precursor formulation of claim 1 , wherein the polymer comprises one or more of a polyether claim 1 , a fluorinated polyether claim 1 , a polyurethane claim 1 , an epoxy claim 1 , a polysulfide claim 1 , a polyethylene oxide claim 1 , a polybutadiene claim 1 , or a polyester.4. The precursor formulation of claim 1 , wherein the polymer comprises one or more of a hydroxyl terminated polybutadiene or a hydroxyl terminated polyether.5. The precursor formulation of claim 1 , wherein the polymer comprises from about 10% by weight to about 85% by weight of the precursor formulation.6. The precursor formulation of claim 1 , wherein the curative formulated to preferentially react with the polymer comprises one or more of an aromatic isocyanate or an aliphatic isocyanate.7. The precursor formulation of claim 1 , wherein the curative formulated to preferentially react with the polymer comprises one or more of methylene diphenyl diisocyanate claim 1 , polymeric methylene diisocyanate claim 1 , para-phenylene diisocyanate claim 1 , toluene diisocyanate claim 1 , dimer diisocyanate claim 1 , or isophorone diisocyanate.8. The ...

POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL OBTAINED FROM THE COMPOSITION, AND PLASTIC LENS

A polymerizable composition for an optical material according to the present invention includes a polyisocyanate compound (A), a polyol compound (B) having a number average molecular weight of 100 or more, a difunctional or higher functional active hydrogen compound (C) (but, excluding the compound (B)), a photochromic compound (D), and an ultraviolet absorber (E). 1. A polymerizable composition for an optical material , comprising:a polyisocyanate compound (A);a polyol compound (B) having a number average molecular weight of 100 or more;a difunctional or higher functional active hydrogen compound (C), wherein the compound (C) does not contain the compound (B);a photochromic compound (D); andan ultraviolet absorber (E).2. The polymerizable composition for an optical material according to claim 1 ,wherein the polyisocyanate compound (A) is at least one kind selected from the group consisting of hexamethylene diisocyanate, pentamethylene diisocyanate, xylylene diisocyanate, isophorone diisocyanate, bis(isocyanatomethyl) cyclohexane, dicyclohexylmethane diisocyanate, 2,5-bis(isocyanatomethyl) bicyclo-[2.2.1]-heptane, 2,6-bis(isocyanatomethyl) bicyclo-[2.2.1]-heptane, tolylene diisocyanate, phenylene diisocyanate, and diphenylmethane diisocyanate.3. The polymerizable composition for an optical material according to claim 1 ,wherein the polyol compound (B) is a diol type or a triol type of polyethylene glycol or polypropylene glycol.4. The polymerizable composition for an optical material according to claim 1 ,wherein a number average molecular weight of the polyol compound (B) is 200 to 4,000.5. The polymerizable composition for an optical material according to claim 1 ,wherein a number average molecular weight of the polyol compound (B) is 400 to 2,000.6. The polymerizable composition for an optical material according to claim 1 ,wherein a number average molecular weight of the polyol compound (B) is 600 to 1500.7. The polymerizable composition for an optical material ...

FLUORINE-CONTAINING PHOSPHATE ESTER-AMIDE, AND FLAME RETARDANT RESIN, FLAME RETARDANT LIQUID AND FLAME RETARDANT SOLVENT FOR ORGANIC SYNTHESIS CONTAINING SAME

[Problem] To provide a fluorine-containing phosphate ester-amide which has high flame retardancy such as exhibiting flame retardant effects at a small quantity of addition, and sufficient hydrolysis resistance. 3. A flame retardant resin containing the fluorine-containing phosphate ester-amide represented by the general formula (1) and/or the fluorine-containing phosphate ester-amide represented by the general formula (2).4. A flame retardant liquid containing a fluorine-containing phosphate ester-amide represented by the general formula (1) and/or the fluorine-containing phosphate ester-amide represented by the general formula (2).5. A flame retardant solvent for organic synthesis claim 4 , consisting of the fluorine-containing phosphate ester-amide represented by the general formula (1) and/or the fluorine-containing phosphate ester-amide represented by the general formula (2) or the flame retardant liquid according to . The present invention relates to fluorine-containing phosphate ester-amides. More particularly, the present invention relates to a fluorine-containing phosphate ester-amide having high hydrolysis resistance and useful in applications such as flame retardants for resins, flame retardants for flammable liquids, flame retardant solvents for organic synthesis, flame retardant solvents for secondary battery electrolytes, flame retardant hydraulic fluids, flame retardant lubricants, flame retardant extractants, and flame retardant cleaning agents. The present invention also relates to a flame retardant resin, a flame retardant liquid, and a flame retardant solvent for organic synthesis, each of which contains the fluorine-containing phosphate ester-amide.Phosphate esters and other phosphate esters such as phosphate ester-amides have excellent flame retardancy and self-extinguishing properties resulting from phosphorus atoms and are therefore widely used as flame retardants for various resins (for example, Patent Literatures 1 to 3).As the flame ...

GUANIDINE CATALYST FOR CURABLE COMPOSITIONS

A guanidine of the formula (I) and to the use thereof as catalyst for the crosslinking of a functional compound, especially a polymer having silane groups. The guanidine of the formula (I) described is preparable in a simple method via a polyfunctional carbodiimide adduct from the readily available raw materials, and is largely odorless at room temperature and of low toxicity. In spite of its comparatively high molecular weight, it accelerates the crosslinking of functional compounds surprisingly well, and such compositions do not have a tendency to migration-related defects such as separation, exudation or substrate soiling. 2. A guanidine as claimed in claim 1 , wherein A is selected from the group consisting of methyl claim 1 , ethyl claim 1 , propyl claim 1 , isopropyl claim 1 , n-butyl claim 1 , isobutyl claim 1 , sec-butyl claim 1 , tert-butyl claim 1 , n-pentyl claim 1 , isopentyl claim 1 , n-hexyl claim 1 , isohexyl claim 1 , n-octyl claim 1 , 2-ethylhexyl claim 1 , n-decyl claim 1 , lauryl claim 1 , cocoalkyl claim 1 , oleyl claim 1 , cyclohexyl claim 1 , benzyl claim 1 , 2-methoxyethyl claim 1 , 3-methoxypropyl claim 1 , 3-(2-ethylhexyloxy)propyl claim 1 , 3-(N claim 1 ,N-dimethylamino)propyl and ω-(alkyloxy)poly(oxyalkylene)alkyl having 1 claim 1 ,2-oxyethylene and 1 claim 1 ,2-oxypropylene units and a molecular weight in the range from 180 to 600 g/mol.3. A guanidine as claimed in claim 1 , wherein D is selected from the group consisting of 2-methyl-1 claim 1 ,5-pentylene claim 1 , 1 claim 1 ,6-hexylene claim 1 , 2 claim 1 ,2(4) claim 1 ,4-trimethyl-1 claim 1 ,6-hexamethylene claim 1 , (1 claim 1 ,5 claim 1 ,5-trimethylcyclohexan-1-yl)methane-1 claim 1 ,3 claim 1 , 1 claim 1 ,3-cyclohexylenebis(methylene) claim 1 , 1 claim 1 ,4-cyclohexylenebis(methylene) claim 1 , 1 claim 1 ,3-phenylenebis(methylene) and (methylenedicyclohexyl)-4 claim 1 ,4′.4. A guanidine as claimed in claim 1 , wherein X is O and B is 2-(ω-(alkyloxy)poly(oxyethylene))ethyl claim 1 ,2 ...

POLYURETHANES HAVING LOW EMISSIONS OF ORGANIC COMPOUNDS

The present disclosure relates to a process for producing polyurethanes including mixing (a) polyisocyanate, (b) polymeric compounds having isocyanate-reactive groups, (c) catalysts and optionally (d) blowing agents, (e) chain-extending and/or crosslinking agents and (f) auxiliaries and/or additives to afford a reaction mixture and reacting the reaction mixture to afford polyurethane. The polymeric compounds having isocyanate-reactive groups (b) are a polyesterol (b1) obtainable by polycondensation of an acid component with an alcohol component. The acid component includes malonic acid and/or derivatives thereof and the alcohol component includes an aliphatic dialcohol having 4 to 12 carbon atoms. The present disclosure further relates to a polyurethane obtainable by such a process and to a method of using in enclosed spaces. 1. A process for producing polyurethanes comprising: (a) polyisocyanate,', '(b) polymeric compounds having isocyanate-reactive groups,', '(c) catalysts, and optionally', '(d) blowing agents,', '(e) chain-extending and/or crosslinking agents, and', '(f) auxiliary and/or additive substances, 'mixing'}to afford a reaction mixture, and 'wherein the polymeric compounds having isocyanate-reactive groups (b) are a polyesterol (b1) obtainable by polycondensation of an acid component with an alcohol component, wherein the acid component comprises malonic acid and/or derivatives thereof and the alcohol component comprises an aliphatic dialcohol having 4 to 12 carbon atoms.', 'reacting the reaction mixture to afford a polyurethane,'}2. The process according to claim 1 , wherein in addition to malonic acid and/or derivatives thereof the acid component comprises one or more further dicarboxylic acids having 6 to 12 carbon atoms or derivatives thereof.3. The process according to claim 1 , wherein a content of malonic acid and/or malonic acid derivative based on a total content of the acid component is 20 to 100 mol %.4. The process according to claim 1 , ...

ADHESIVE SHEET

The disclosed adhesive sheet exhibits high anchoring performance and where separation between the substrate and the adhesive layer substantially does not occur when unwinding or re-peeling in actual applications. The adhesive sheet comprises a substrate including a urethane polymer component at least at a portion of a surface and a silicone adhesive layer that is in contact with the urethane polymer component, wherein the urethane polymer having a chain extender-derived hard segment and a polyoxyalkylene polyol-derived soft segment. 1. An adhesive sheet comprising:a substrate including a urethane polymer component at least at a portion of a surface; anda silicone adhesive layer in contact with the urethane polymer component;the urethane polymer having a chain extender-derived hard segment and a polyoxyalkylene polyol-derived soft segment.2. The adhesive sheet according to claim 1 , wherein the chain extender is an organic compound having 1 to 6 carbons and 2 active hydrogen groups.3. The adhesive sheet according to claim 1 , wherein the polyoxyalkylene polyol is a polyoxyalkylene diol with an alkylene portion having from 2 to 6 carbons.4. The adhesive sheet according to claim 1 , wherein a layer of the urethane polymer component is formed on the substrate.5. The adhesive sheet according to claim 1 , wherein the urethane polymer component is present on the surface of the substrate and internally.6. The adhesive sheet according to claim 1 , wherein the substrate is a fabric.7. The adhesive sheet according to claim 1 , wherein the silicone adhesive is a crosslinked silicone adhesive.8. The adhesive sheet according to claim 1 , wherein the urethane polymer is the reaction product between an isocyanate group and a hydroxyl group.9. The adhesive sheet according to claim 1 , wherein the urethane polymer has a chain extender-derived hard segment and a polyoxyalkylene polyol-derived soft segment.10. The adhesive sheet according to claim 1 , where in the hard segment includes ...

High strength polyurethane foam compositions and methods

Disclosed are high strength polyurethane foam compositions and methods of making them. In one aspect, the inventive polyurethane foams include strength enhancing additives comprising one or more polycarbonate polyols derived from the copolymerization of CO 2 and one or more epoxides. In one aspect, the inventive methods include the step of substituting a portion of the polyether polyol in the B-side of a foam formulation with one or more polycarbonate polyols derived from the copolymerization of CO 2 and one or more epoxides.

ISOCYANATE COMPOSITION, METHOD FOR PRODUCING ISOCYANATE COMPOSITION, AND METHOD FOR PRODUCING ISOCYANATE POLYMER

An isocyanate composition according to the present invention contains an isocyanate compound of formula (1) and/or (2) (wherein Rrepresents a hydrogen or a monovalent organic group, and Rrepresents a monovalent organic group), and, relative to the total mass of the isocyanate compound in the composition, 1.0 ppm by mass to 10% by mass of a compound of formula (3): R—(COO—R)a (wherein Rrepresents an organic group with a valence of a, Rrepresents a monovalent organic group, and a represents an integer of 1 or 2), which is different from the isocyanate compound, and/or, 1.0 ppm by mass to 10% by mass of a compound having an UV absorption in an area of decamer or higher isocyanates in a measurement spectrum of gel permeation chromatography. 2. The isocyanate composition according to claim 1 , further comprising claim 1 , relative to the total mass of the isocyanate compound in the composition claim 1 ,1.0 ppm by mass to 10% by mass of saturated and/or unsaturated hydrocarbon compounds having a linear-chain structure, a branched-chain structure, or a cyclic structure, and/or,1.0 ppm by mass to 10% by mass of a compound having at least one bond selected from the group consisting an ether bond and a thioether bond.3. The isocyanate composition according to claim 1 , further comprising 1.0 ppm by mass to 10% by mass claim 1 , relative to the total mass of the isocyanate compound in the composition claim 1 , of a carbamate group-containing compound and/or a carbonic acid ester.4. The isocyanate composition according to claim 1 , further comprising:1.0 ppm by mass to 10% by mass, relative to the total mass of the isocyanate compound in the composition, of a basic amino compound in an amount of, and/or,a halogen ion, and/or, a hydrolyzable halogen compound.5. The isocyanate composition according to claim 1 , further comprising claim 1 , relative to the total mass of the isocyanate compound in the composition claim 1 ,{'sup': '3', '1.0 ppm by mass to 1.0×10ppm by mass of a ...

Silane Coupling Agents

The present invention discloses silylated polyurethanes obtainable by reacting at least one polyols, at least one polyisocyanates, at least one amide-functionalized silanes of the general formula (I) as described herein and their preparation methods, curable compositions comprising the silylated polyurethanes and their use as adhesive, sealant, spray foam and/or coating. 4. The silylated polyurethane according to claim 1 , wherein the at least one polyol comprises a polyether polyol.5. The silylated polyurethane according to claim 1 , wherein n in the general formulae (I) is 3.6. The silylated polyurethane according to claim 1 , wherein Ris selected from alkyl residues having 1 to 8 carbon atoms claim 1 , methyl claim 1 , ethyl or n-propyl.8. The silylated polyurethane according to claim 7 , wherein a molar ratio of the NCO group of the polyisocyanate(s) to the OH group of the polyol(s) is from 1.01 to 2.0.10. The silylated polyurethane according to claim 9 , wherein a molar ratio of the NCO group of the polyisocyanate(s) to the amino group of the amide-functionalized silane(s) of the general formula (I) is from 1.1 to 3.0.12. A curable composition comprising the silylated polyurethane according to .13. The curable composition according to claim 12 , further comprising at least one component selected from plasticizer claim 12 , stabilizer claim 12 , antioxidant claim 12 , filler claim 12 , reactive diluent claim 12 , drying agent claim 12 , adhesion promoter claim 12 , UV stabilizer claim 12 , rheological agent claim 12 , solvent and mixtures thereof.14. An adhesive claim 12 , sealant claim 12 , spray foam and/or coating comprising the curable composition according to . The present invention relates to silylated polyurethanes obtainable by reacting at least one polyol, at least one polyisocyanate, at least one amide-functionalized silane and their preparation methods, curable compositions comprising the silylated polyurethane and their use as adhesive, sealant, ...

Polyurethanes, Articles and Coatings Prepared Therefrom and Methods of Making the Same

The present invention provides polyurethanes including a reaction product of components including: (a) an isocyanate functional urethane prepolymer comprising a reaction product of components including: (i) about 1 equivalent of at least one polyisocyanate; and (ii) about 0.1 to about 0.5 equivalents of at least one diol having 2 to 18 carbon atoms; and (b) about 0.05 to about 0.9 equivalents of at least one branched polyol having 4 to 18 carbon atoms and at least 3 hydroxyl groups; and (c) up to about 0.9 equivalents of at least one polyol different from branched polyol (b) and having 2 to 18 carbon atoms, wherein the reaction product components are essentially free of polyester polyol and polyether polyol; compositions, coatings and articles made therefrom and methods of making the same. 1. A polyurethane comprising a reaction product of components comprising: (i) about 1 equivalent of at least one polyisocyanate; and', '(ii) about 0.1 to about 0.5 equivalents of at least one polyol selected from the group consisting of propanediol, butanediol, hexanediol, heptanediol, octanediol, nonanediol, decanediol, sorbitol, mannitol, propylene glycol, neopentyl glycol, 2-methyl-1,3-propanediol, 2,2-dimethyl-1,3-propanediol, and dibutyl 1,3-propanediol, and mixtures thereof; and, '(a) an isocyanate functional urethane prepolymer comprising a reaction product of components comprising(b) about 0.05 to about 1.0 equivalents of at least one polyol (b), based upon the about 1 equivalent of at least one polyisocyanate (i), the polyol (b) being selected from the group consisting of tetramethylolmethane, trimethylolethane, trimethylolpropane, pentaerythritol, dipentaerythritol, tripentaerythritol, and mixtures thereof; and(c) up to about 0.9 equivalents of at least one polyol (c) different from polyol (b) and having 2 to 18 carbon atoms, based upon the about 1 equivalent of at least one polyisocyanate (i),wherein the reaction product components comprise less than about 5 weight ...

IMPROVED RECYCLE-CONTENT POLYESTER POLYOLS

Polyester polyols made from recycled polyethylene terephthalate (rPET) and processes for making them are disclosed. The rPET is heated with a C-Cglycol reactant to give a digested intermediate comprising glycols and a terephthalate component, which comprises 45 to 70 wt. % of bis(hydroxyalkyl)terephthalates, and preferably lesser amounts of terephthalate dimers and trimers. Treatment of the digested intermediate with activated carbon gives a polyester polyol having a color index less than 20. The polyols have desirable hydroxyl numbers, viscosities, appearance, and other attributes for formulating polyurethane products and are a sustainable alternative to bio- or petrochemical-based polyols. 1. A polyester polyol made by a process which comprises:{'sub': 3', '10, '(a) heating a composition comprising recycled polyethylene terephthalate (rPET) with a C-Cglycol reactant to give a digested intermediate comprising glycols and a terephthalate component, wherein the terephthalate component comprises, by gel permeation chromatography using ultraviolet detection, 45 to 70 wt. % of bis(hydroxyalkyl)terephthalates; and'}(b) treating the digested intermediate with activated carbon under conditions effective to give the polyester polyol;{'sub': 3', '10, 'wherein the molar ratio of C-Cglycol reactant to rPET is at least 2.0, and the polyester polyol has a hydroxyl number within the range of 25 to 800 mg KOH/g and a color index less than 20, where color index is defined by 100×(|a*|/L*) as measured by CIE colorimetric analysis.'}2. The polyol of wherein the recycled polyethylene terephthalate comprises green rPET.3. The polyol of wherein the C-Cglycol reactant is selected from the group consisting of propylene glycol claim 1 , diethylene glycol claim 1 , triethylene glycol claim 1 , dipropylene glycol claim 1 , neopentyl glycol claim 1 , 2-methyl-1 claim 1 ,3-propanediol claim 1 , 1 claim 1 ,4-butanediol claim 1 , 1 claim 1 ,6-hexanediol claim 1 , 3-methyl-1 claim 1 ,5- ...

Two-Component Solvent-Based Adhesive Composition

The present disclosure provides a two-component adhesive composition. The two-component solvent-based adhesive composition contains the reaction product of (A) an isocyanate component; (B) a dimer acid polyester polyol component containing the reaction product of a reaction mixture including (i) from 20 wt % to 60 wt % dimer acid, based on the total weight of the dimer acid polyester polyol component, (ii) a dicarboxylic acid, and (iii) a polyol; and (C) a solvent. 1. A two-component solvent-based adhesive composition comprising the reaction product of:(A) an isocyanate component;{'claim-text': ['(i) from 20 wt % to 60 wt % dimer acid, based on the total weight of the dimer acid polyester polyol component;', '(ii) a dicarboxylic acid;', '(iii) a polyol; and'], '#text': '(B) a dimer acid polyester polyol component comprising the reaction product of a reaction mixture comprising'}(C) a solvent.2. The two-component solvent-based adhesive composition of claim 1 ,wherein the dicarboxylic acid is selected from the group consisting of phthalic acid, isophthalic acid, terephthalic acid, azelaic acid, sebacic acid, adipic acid, and combinations thereof.3. The two-component solvent-based adhesive composition of claim 1 , wherein the polyol is selected from the group consisting of 2-methyl-1 claim 1 , 3-propanediol claim 1 , trimethylolpropane claim 1 , 1 claim 1 , 4-butanediol claim 1 , 1 claim 1 , 6-hexanediol claim 1 , and neopentyl glycol (NPG) claim 1 , and combinations thereof.4. The two-component solvent-based adhesive composition of claim 1 , wherein the isocyanate is a multifunctional isocyanate.5. The two-component solvent-based adhesive composition of claim 1 , wherein the isocyanate component has an average NCO functionality from 2.2 to 5.0.6. The two-component solvent-based adhesive composition of claim 1 , wherein the two-component solvent-based adhesive composition has a Polyol:Isocyanate Weight Ratio from 100:5 to 100:35.7. A laminate comprisinga first ...

POLYURETHANE INSULATION FOAM COMPOSITION COMPRISING HALOGENATED OLEFINS

A polyurethane insulation foam composition is disclosed herein. The polyurethane insulation foam comprises: (i) an isocyanate compound; (ii) an isocyanate reactive compound; (iii) water; (iv) a heterocyclic amine compound; (v) a hydrophilic carboxylic acid compound; (vi) a halogenated olefin compound; and (vii) optionally, other additives. 1. A polyurethane insulation foam composition comprising:(i) an isocyanate compound;(ii) an isocyanate reactive compound;(iii) water; [{'br': None, 'sub': 'z', 'R1-[CH2-CH2-X—]—CH2-CH2-R2\u2003\u2003(a)'}, R1 and R2 are independently a five or six membered heterocyclic amine consisting of carbon, nitrogen, or combinations thereof;', {'sub': 1', '4', '2', '4', '4', '12, 'X is oxygen or N—R3 and wherein R3 is a C-Calkyl or C-Calkanol or C-Cether group;'}, 'Z is an integer from 1 to 4;, 'wherein'}], '(iv) a heterocyclic amine compound having the structure of Formula (a) [{'br': None, 'sub': n', 'm, '(HO)—R′—(COOH)\u2003\u2003(b)'}, {'sub': 1', '10, 'R′ is a divalent C-Caliphatic hydrocarbon moiety, n and m are both integers and wherein when n=0 then m≥2 and wherein when n≥1 then m≥1;'}, 'wherein'}], '(v) a hydrophilic carboxylic acid having the structure of Formula (b)(vi) a halogenated olefin blowing agent; and(vii) optionally, other additives; and [{'br': None, 'sub': 45', '0', '0, 'CT REACTIVE SHIFT=100*[(CT−CT)/CT]\u2003\u2003Formula X, [ [{'sub': '45', "CTmeans a composition's CT as determined using the FOAM REACTIVITY TEST after the composition's B-Side comprising Components (ii) and (iii) has been aged at 40° C. in a closed, pressure-rated, glass container that was placed in an oven for 45 days."}, {'sub': '0', "CTmeans a composition's CT as determined using the FOAM REACTIVITY TEST after the composition's B-Side comprising Components (ii) and (iii) has been aged at 40° C. for 0 days."}], 'wherein'}, {'br': None, 'sub': 45', '0', '0, 'TFT REACTIVE SHIFT=100*[(TFT−TFT)/TFT]\u2003\u2003Formula Y, 'and'}, [{'sub': '45', "TFTmeans ...

Self-Repairing Polyurethane Networks

The present invention provides alkyl substituted polysaccharide compositions and methods of repairing substrates involving use of the alkyl substituted polysaccharide compositions. 12-. (canceled)3. An alkyl substituted polysaccharide polyurethane composition comprising a reaction product of:a) a polyol or a polythiol;b) an isocyanate;{'b': '1', 'c) the composition of claim ; and'}d) optionally an organotin compound.4. The composition of claim 3 , wherein the reaction product further comprises a catechol.5. The composition of claim 4 , wherein the catechol is selected from the group consisting of dopa claim 4 , dopamine claim 4 , alpha-methyldopamine claim 4 , norepinephrine claim 4 , alpha-methyldopa claim 4 , droxidopa claim 4 , epinephrine claim 4 , 4-hydroxymethylprocatechol claim 4 , and any enantiomers thereof.6. The composition of claim 3 , wherein the isocyanate compound comprises three or more isocyanate (NCO) groups per compound or combinations thereof.7. The composition of claim 3 , wherein the polyol comprises two or more hydroxy groups per compound or combinations thereof.8. The composition of claim 3 , wherein the polyol comprises diols claim 3 , triols claim 3 , tetraols claim 3 , polyether polyols claim 3 , polyester polyols claim 3 , or combinations thereof.9. The composition of claim 3 , wherein the polyol comprises ethylene glycol claim 3 , diethylene glycol claim 3 , triethylene glycol claim 3 , tetraethylene glycol claim 3 , polyethylene glycol claim 3 , propylene glycol claim 3 , dipropylene glycol claim 3 , tripropylene glycol claim 3 , polypropylene glycol claim 3 , 1 claim 3 ,3-propanediol claim 3 , 1 claim 3 ,3-butanediol claim 3 , 1 claim 3 ,4-butanediol claim 3 , neopentyl glycol claim 3 , 1 claim 3 ,6-hexanediol claim 3 , 1 claim 3 ,4-cyclohexanedimethanol claim 3 , glycerol claim 3 , polyesterdiol or combinations thereof.10. The composition of claim 3 , wherein the polythiol comprises two or more thiol groups per compound or ...

Fast set moisture curable hot melt adhesive composition and articles including the same

A moisture curable hot melt adhesive composition that includes isocyanate-terminated polyurethane prepolymer that includes the reaction product of a crystalline polyester polyol, a polyether polyol, and diisocyanate, clay, polyester/polyether elastomer, a first thermoplastic polymer selected from the group consisting of ethylene vinyl acetate copolymer, ethylene (alkyl)acrylate copolymer, and combinations thereof, a tackifying agent, and optionally a second thermoplastic polymer selected from the group consisting of thermoplastic polyurethane, thermoplastic polycaprolactone, and combinations thereof.

High-value polyurethane elastomers and production thereof

The present invention relates to high-value polyurethane (PUR) and polyurethaneurea elastomers, which can be processed in a particularly simple manner by use of low-viscosity prepolymers based on naphthalene 1,5-diisocyanate, and to a process for production thereof.

ALGAE-DERIVED FLEXIBLE FOAM, AND METHOD OF MANUFACTURING THE SAME

This document discloses algae-derived flexible foams, whether open-cell or closed-cell, with inherent antimicrobial and flame resistant properties, wherein a process of manufacturing includes the steps of: harvesting algae-biomass; sufficiently drying the algae biomass; blending the dried algae biomass with a carrier resin and various foaming ingredients; adding an algal-derived antimicrobial compound selected from various natural sulfated polysaccharides present in brown algae, red algae, and/or certain seaweeds (marine microalgae); and adding a sufficient quantity of dried algae biomass to the formulation to adequately create a fire resistant flexible foam material. 1. An algae-derived foams composition for use in the production of an article of manufacture , the algae-derived foam composition comprising from about 10% to about 25% dried algae biomass by weight to about 75% to about 90% foam material by weight.2. The algae-derived foam composition according to claim 1 , wherein the foam material is an open-celled or closed-cell foam material.3. The algae-derived foam composition according to claim 2 , wherein the foam material is an open-celled polyurethane foam.4. The algae-derived foam composition according to claim 2 , wherein the foam material is a closed-celled Ethylene-vinyl acetate foam.5. The algae-derived foam composition according to claim 1 , further comprising from about 1% to about 5% fucoidan powder.6. The algae-derived foam composition according to claim 5 , further comprising from about 2% to about 10% carbonate.7. The algae-derived foam composition according to claim 6 , further comprising from about 2% to about 10% peroxide.8. The algae-derived foam composition according to claim 7 , further comprising from about 2% to about 10% Azodicarbamide.9. The algae-derived foam composition according to claim 8 , further comprising from about 0.1% to about 1% stearate.10. The algae-derived foam composition according to claim 9 , further comprising from ...

POST POLYMERIZATION CURE SHAPE MEMORY POLYMERS

This invention relates to chemical polymer compositions, methods of synthesis, and fabrication methods for devices regarding polymers capable of displaying shape memory behavior (SMPs) and which can first be polymerized to a linear or branched polymeric structure, having thermoplastic properties, subsequently processed into a device through processes typical of polymer melts, solutions, and dispersions and then crossed linked to a shape memory thermoset polymer retaining the processed shape. 1. A polymer composition comprising a polymer having shape memory properties and having crosslinkable sites substantially regularly spaced along the polymer chain which, when crosslinked, forms a thermoset polymer having shape memory properties. The present application is a continuation of pending U.S. application Ser. No. 15/387,256, filed Dec. 21, 2016, which is a continuation application of U.S. application Ser. No. 13/892,719, filed May 13, 2013, now U.S. Pat. No. 9,540,481, issued Jan. 10, 2017, which is a divisional of U.S. application Ser. No. 13/099,146, filed May 2, 2011, now U.S. Pat. No. 8,883,871, issued Nov. 11, 2014, which claims priority to U.S. Provisional Application No. 61/332,039, filed May 6, 2010, entitled “ Shape Memory Polymers That Cure Post Polymerization”. The entire contents of each of the above applications is hereby incorporated by reference.The United States Government has rights in this invention pursuant to Contract No. DE-AC52-07NA27344 between the United States Department of Energy and Lawrence Livermore National Security, LLC for the operation of Lawrence Livermore National Laboratory and supported by the National Institutes of Health/National Institute of Biomedical Imaging and Bioengineering Grant R01EB000462.This invention relates to chemical polymer compositions, methods of synthesis, and fabrication methods for devices regarding polymers capable of displaying shape memory behavior and which can first be polymerized to a linear or branched ...

A Method For Improving Toughness of Polyisocyanate Polyaddition Reaction Products

Use of compounds selected from polyols derived from dimer fatty acids and/or dimer fatty alcohols as toughening agent in a process for making polyisocyanate polyaddition reaction products, in particular for polyisocyanate polyaddition reaction products having a hardblock >40% and a process for making said products. 1. A method for improving the toughness of polyisocyanate polyaddition reaction products having a glass transition temperature of at least 80° C. said method comprising at least reacting at an isocyanate index of at least 100:(a) isocyanates, and(b) isocyanate-reactive compounds, and optional(c) catalyst compounds, and optional(d) blowing agents and/or other auxiliary compoundscharacterized in that the isocyanate-reactive compounds (b) comprise 1-20 pbw of compounds selected from polyols derived from dimer fatty acids and/or dimer fatty alcohols (calculated on the total weight of ingredients (a)-(d)) and wherein the hardblock content of the polyisocyanate polyaddition reaction products is at least 40%.2. The method according to claim 1 , wherein the polyols derived from dimer fatty acids and/or dimer fatty alcohols are selected from polyester polyols derived from dimer fatty acids.3. The method according to claim 1 , wherein the dimer fatty acids are selected from dimer fatty acids wherein the fatty acid is selected from C10-C30.4. The method according to claim 1 , wherein the dimer fatty acids includes dimerisation products of oleic acid claim 1 , linoleic acid claim 1 , linolenic acid claim 1 , palmitoleic acid and/or elaidic acid.5. The method according to claim 1 , wherein the isocyanate-reactive compounds (b) comprise preferably 2.5 up to 7 pbw of compounds selected from polyols derived from dimer fatty acids and/or dimer fatty alcohols (calculated on the total weight of ingredients (a)-(d)).6. The method according to claim 1 , wherein the isocyanate-reactive compounds (b) comprise polyamines and/or polyetherpolyols and/or polyesterpolyols having an ...

RESIN COMPOSITION FOR OPTICAL MATERIAL, RESIN FOR OPTICAL MATERIAL, AND OPTICAL LENS MADE THEREFROM

A resin composition for an optical material contains a thiol compound and an isocyanate compound. The thiol compound includes a trithiol compound and a tetrathiol compound, and based on 100% of the total mole equivalent of the thiol group of the thiol compound, the total mole equivalent of the thiol group of the trithiol compound is fro 85% to 95%, and the total mole equivalent of the thiol group of the tetrathiol compound is from 5% to 15%. The isocyanate compound includes dicyclohexylmethane diisocyanate, and based on 100% of the total mole equivalent of the isocyanate group of the isocyanate compound, the total mole equivalent of the isocyanate group of the dicyclohexylmethane diisocyanate is from 90% to 100%. 1. A resin composition for an optical material , comprising:a thiol compound comprising a trithiol compound and a tetrathiol compound, wherein based on 100% of a total mole equivalent of a thiol group of the thiol compound, a total mole equivalent of a thiol group of the trithiol compound is from 85% to 95%, and a total mole equivalent of a thiol group of the tetrathiol compound is from 5% to 15%; andan isocyanate compound comprising a dicyclohexylmethane diisocyanate, wherein based on 100% of a total mole equivalent of an isocyanate group of the isocyanate compound, a total mole equivalent of an isocyanate group of the dicyclohexylmethane diisocyanate is from 90% to 100%.2. The resin composition for the optical material of claim 1 , wherein the total mole equivalent of the isocyanate group of the dicyclohexylmethane diisocyanate is from 92% to 100%.3. The resin composition for the optical material of claim 2 , wherein the total mole equivalent of the isocyanate group of the dicyclohexylmethane diisocyanate is from 95% to 100%.4. The resin composition for the optical material of claim 1 , wherein the total mole equivalent of the thiol compound of the trithiol compound is from 87% to 93% claim 1 , and the total mole equivalent of the thiol group of the ...

POLYESTER POLYOLS IMPARTING IMPROVED FLAMMABILITY PROPERTIES

An aromatic polyester polyol having a nominal functionality of at least about 2 is produced from the esterification reaction of a phthalate-based composition containing less than 50 mol % of ortho-phthalic acid or phthalic anhydride, with a hydroxyl material containing at least 20 mol % of at least one branched aliphatic diol, and optionally transesterified with at least one hydrophobic material. The polyester polyol has improved shelf-life stability as demonstrated by the polyester polyol remaining clear and homogeneous for at least 6 months when stored at room temperature. The polyester polyol, when incorporated into a polyol foam-forming resin composition in an amount of at least 40 wt %, results in polyurethane and polyisocyanurate foams that exhibit low smoke and weight loss upon burning conditions. 1. A foam-forming composition comprising:at least one diisocyanate component, at least one polyisocyanate component, or mixtures thereof, anda resin blend that comprises(A) 40% to 80% by weight of the resin blend of a polyester polyol that is the esterification reaction product of(i) a phthalate-based composition comprising less than 50 mol % of ortho-phthalic acid or ortho-phthalic anhydride and greater than 50 mol % of one or more of terephthalic acid, isophthalic acid, and dimethyl terephthalate; and (a) from 20 mol % to 80 mol % of at least one branched aliphatic diol;', '(b) diethylene glycol and optionally, one or more additional polyols selected from the group consisting of ethylene glycol, triethylene glycol, 1,3-propane glycol, butylene glycols, 1,2-cyclohexane diol, glycerol, 1,1,1-trimethylol propane, 1,1,1-trimethylolethane, and pentaerythritol;', '0 to 2 mol % of at least one hydrophobic material transesterified with the esterification reaction product;', 'wherein the aromatic polyester polyol has an OH value of 250 to 350 mg KOH/g, wherein the aromatic polyester polyol has a functionality of 1.8 to 2.2, and an Acid Value of 0.25 to 3.0 mg KOH/g, and ...

POLYURETHANE COMPOSITE ELEMENTS AND PROCESSES FOR PRODUCING THE SAME

A polyurethane composite element has one or more gaps containing a polyurethane foam. The polyurethane foam has a density of 16-40 kg/mand a closed cell proportion of 50-90% determined according to ASTM D6226-2010 Standard Test Method. The polyurethane foam is formed by applying a polyurethane composition into the gaps in situ. A process for producing a polyurethane composite element is also described. 1. A polyurethane composite element comprising:{'sup': '3', 'one or more gaps, wherein the gaps contain a polyurethane foam having a density of 16-40 kg/mand a closed cell proportion of 50-90% determined according to ASTM D6226-2010 Standard Test Method;'}wherein the polyurethane foam is formed by applying a polyurethane composition into the gaps in situ; and A) an isocyanate component comprising one or more organic polyisocyanates; and', b1) one or more polyether polyols having a hydroxyl value of 200-500 mgKOH/g and a functionality of 2-6;', 'b2) one or more foaming agents; and', 'b3) a siloxane foam stabilizer in an amount of 0.1-2% by weight, based on total weight of the polyurethane composition., 'B) an isocyanate-reactive component comprising], 'wherein the polyurethane composition comprises2. The polyurethane composite element according to claim 1 , wherein the foaming agent comprises water.3. The polyurethane composite element according to claim 1 , wherein polyurethane composition comprises the foaming agent in an amount of 5-10% by weight claim 1 , based on total weight of the polyurethane composition.4. The polyurethane composite element according to claim 1 , wherein the polyurethane composition has a rising time of 6-12 seconds.5. The polyurethane composite element according to claim 1 , wherein the polyurethane composite element comprises a: tank body of a refrigerator claim 1 , door body of a refrigerator claim 1 , door body and/or tank body of refrigeration or insulation equipment claim 1 , tank body of a refrigeration vehicle claim 1 , tank body of a ...

Aqueous polyurethane dispersion in the treatment of acne

The present invention describes a surprising effect of an aqueous polyurethane dispersion on the efficacy of active ingredients in the anti-acne treatment. The aqueous polyurethane dispersion was able to reduce irritation and substantially enhance efficacy of the salicylic acid and/or salicylic acid derivative in the topical anti-acne serum.

Aircraft Windows

The present invention provides an aircraft window including a polyurethane including a reaction product of components including (a) about 1 equivalent of at least one polyisocyanate; and (b) about 1 equivalent of 1,4-cyclohexane dimethanol based upon the about 1 equivalent of the at least one polyisocyanate, and other aircraft window compositions.

Method for setting polymerization condition and method for manufacturing optical material

A method for setting polymerization condition includes a physical property acquiring step of, when heating a composition including a polymerization-reactive compound and a polymerization catalyst and/or a polymerization initiator and retaining heat at a predetermined temperature, acquiring a physical property value a derived from a functional group before heating of the polymerization-reactive compound and a physical property value b derived from a remaining functional group after maintaining a temperature for a predetermined time; a remaining functional group ratio calculating step of calculating a remaining functional group ratio from the physical property value a and the physical property value b; a reaction rate coefficient calculating step of calculating a reaction rate coefficient from the remaining functional group ratio on the basis of a reaction rate equation; and a polymerization temperature calculating step of calculating a polymerization temperature on the basis of the reaction rate coefficient and conditions below.

Lightfast polyurethane composition

The present invention relates to a composition comprising 10 to less than 50 wt.-% of at least one oligomeric polyisocyanate a-1) based on hexamethylene diisocyanate and more than 50 to 90 wt.-% of at least one polyisocyanate a-2) based on isophorone diisocyanate, comprising monomeric isophorone diisocyanate and at least one oligomeric isophorone diisocyanate, and an isocyanate-reactive component selected from the group consisting of polyester polyol, polyether polyol and mixtures thereof. It has been shown that the above mentioned mixture of the specific isocyanate group containing components improves the thermal and mechanical properties of a cured composition. Thus prepared molded articles are particularly suitable for the preparation of spectacle lenses, inter alia due to these properties.

MONOMER COMPOSITION AND PRODUCTION METHOD THEREOF, RAW MATERIAL COMPOSITION, CURABLE COMPOSITION, AND MOLDED BODY

A monomer composition, including: an acidic phosphoric acid ester (A); an amine-based catalyst (B); and a (meth)acrylate (E) having at least one of a urethane bond or a —NHC(═S)O— bond. 1. A monomer composition , comprising:an acidic phosphoric acid ester (A);an amine-based catalyst (B); anda (meth)acrylate (E) having at least one of a urethane bond or a —NHC(═S)O— bond.2. The monomer composition according to claim 1 , wherein the (meth)acrylate (E) is a reaction product of an iso(thio)cyanate (C) having two or more iso(thio)cyanate groups and a (meth)acrylate (D) having a hydroxy group.3. The monomer composition according to claim 2 , wherein the iso(thio)cyanate (C) is at least one selected from the group consisting of hexamethylene diisocyanate claim 2 , 2 claim 2 ,2 claim 2 ,4-trimethylhexamethylene diisocyanate claim 2 , 2 claim 2 ,4 claim 2 ,4-trimethylhexamethylene diisocyanate claim 2 , pentamethylene diisocyanate claim 2 , m-xylylene diisocyanate claim 2 , 1 claim 2 ,3-tetramethylxylylene diisocyanate claim 2 , isophorone diisocyanate claim 2 , bis(isocyanatomethyl)cyclohexane claim 2 , bis(isocyanatocyclohexyl)methane claim 2 , 2 claim 2 ,5-bis(isocyanatomethyl)bicyclo-[2.2.1]-heptane claim 2 , 2 claim 2 ,6-bis(isocyanatomethyl)bicyclo-[2.2.1]-heptane claim 2 , tolylene diisocyanate claim 2 , phenylene diisocyanate claim 2 , and 4 claim 2 ,4′-diphenylmethane diisocyanate.4. The monomer composition according to claim 2 , wherein the (meth)acrylate (D) is at least one selected from the group consisting of 2-hydroxyethyl (meth)acrylate claim 2 , 2-hydroxypropyl (meth)acrylate claim 2 , 2-hydroxybutyl (meth)acrylate claim 2 , 2-hydroxy-3-phenoxypropyl (meth)acrylate claim 2 , 4-hydroxybutyl (meth)acrylate claim 2 , and 1 claim 2 ,4-cyclohexanedimethanol mono (meth)acrylate.7. The monomer composition according to claim 1 , wherein a mass ratio of the acidic phosphoric acid ester (A) to the amine-based catalyst (B) is 0.7 or more.8. The monomer composition ...

POLYURETHANE AND UV-MOISTURE DUAL CURE PU REACTIVE HOTMELT COMPRISING THE SAME

Described herein is a polyurethane having an isocyanate group and having C—C double bonds on a side chain, a process for preparing such a polyurethane, and an UV-moisture dual cure polyurethane reactive hotmelt including the polyurethane. 1. A polyurethane which has an isocyanate group and has C—C double bonds on a side chain , wherein an isocyanate in an isocyanate component for synthesizing the polyurethane is diisocyanate and the isocyanate component comprises at least one diisocyanate having C—C double bonds on a side chain.2. The polyurethane according to claim 1 , wherein the amount of the C—C double bond is 0.07 to 0.5 mol/kg claim 1 , based on the total weight of the polyurethane.3. The polyurethane according to claim 1 , wherein the content of isocyanate groups is in the range from 0.2 to 6% by weight claim 1 , based on the total weight of the polyurethane.4. The polyurethane according to claim 1 , wherein the polyurethane is obtained from the reaction of the isocyanate component with a polyol component.5. The polyurethane according to claim 1 , wherein the average number of C—C double bonds in the diisocyanate having C—C double bonds on the side chain is 1 to 6 per molecule.6. The polyurethane according to claim 1 , wherein the amount of the diisocyanate having C—C double bonds on the side chain is in the range from 5 to 35% by weight claim 1 , based on the total weight of the isocyanate component and the polyol component.7. The polyurethane according to claim 1 , wherein the isocyanate component comprises at least one further isocyanate and said further isocyanate is diisocyanate.8. The polyurethane according to claim 4 , wherein the polyol component comprises at least one crystalline polyester polyol and/or at least one non-crystalline polyester polyol.9. The polyurethane according to claim 8 , wherein the crystalline polyester polyol has a hydroxyl number in the range from 15 to 50 mg KOH/g.10. The polyurethane according to claim 8 , wherein the non- ...

Rigid Polyurethane Foam and System and Method for Making the Same

An embodiment of a closed-cell polymeric rigid foam may be made using a one-shot method and a reaction system that includes a hydrofluoroalkene physical blowing agent and a polyol mixture having an aminic polyol. The hydrofluoroalkene blowing agent has 3 to 5 carbon atoms and a boiling point between 10° C. and 40° C. at 1 atmosphere pressure. Embodiments of rigid foams may have high closed cell content and are particularly well suited for thermal insulation. 1. A process for preparing a rigid polymeric foam having a closed cell content closed cell content of greater than 85% and a density of less than 4.5 pounds per cubic foot , wherein the process comprises reacting:(a) an isocyanate composition comprising one or more organic polyisocyanates; and (i) a first polyol, wherein the first polyol is a aminic polyol selected from the group consisting of aromatic amine-initiated polyols, Mannich polyols, and mixtures thereof; and wherein the first polyol comprises an alkylene oxide moiety; and', '(ii) a second polyol having a nominal hydroxyl functionality of at least 2 and a molecular weight of from 60 to 10,000 that is different than the first polyol and is free of amine groups,, '(b) an isocyanate reactive composition comprisingwherein either the isocyanate composition or the isocyanate reactive composition further comprises one or more alkane blowing agents; andwherein the weight ratio of the first polyol to the second polyol is from 90:10 to 40:60 and the combined weights of the first polyol and the second polyol is at least 30% of the total weight of the reaction system.2. The process of claim 1 , wherein the alkane blowing agents comprise n-pentane claim 1 , isopentane claim 1 , cyclopentane claim 1 , and combinations thereof.3. The process of claim 2 , wherein the alkane blowing agents comprise isopentane claim 2 , cyclopentane claim 2 , and combinations thereof.4. The process of claim 1 , wherein a polyol blend comprises the first polyol and the second polyol and ...

Rigid Polyurethane Foam and System and Method for Making the Same

An embodiment of a closed-cell polymeric rigid foam may be made using a one-shot method and a reaction system that includes a hydrofluoroalkene physical blowing agent and a polyol mixture having an aminic polyol. The hydrofluoroalkene blowing agent has 3 to 5 carbon atoms and a boiling point between 10° C. and 40° C. at 1 atmosphere pressure. Embodiments of rigid foams may have high closed cell content and are particularly well suited for thermal insulation. 1. A process for preparing rigid polymeric foam having a closed cell content of greater than 85% and a density of less than 4.5 pounds per cubic foot , wherein the process comprises reacting:(a) an isocyanate composition comprising one or more organic polyisocyanates; and (i) a first polyol, wherein the first polyol is a aminic polyol selected from the group consisting of aromatic amine-initiated polyols, Mannich polyols, and mixtures thereof; and', '(ii) a second polyol having a nominal hydroxyl functionality of at least 2 and a molecular weight of from 60 to 10,000 that is different than the first polyol and is free of amine groups,, '(b) an isocyanate reactive composition comprisingwherein either the isocyanate composition or the isocyanate reactive composition further comprises one or more alkane blowing agents; andwherein the weight ratio of the first polyol to the second polyol is from 40:60 to 25:75 and the combined weights of the first polyol and the second polyol is at least 20% of the total weight of the reaction system.2. The process according claim 1 , wherein the alkane blowing agents comprise n-pentane claim 1 , isopentane claim 1 , cyclopentane claim 1 , and combinations thereof.3. The process of claim 2 , wherein the alkane blowing agents comprise isopentane claim 2 , cyclopentane claim 2 , and combinations thereof.4. The process of claim 1 , wherein the second polyol comprises polyester groups.5. The process of claim 1 , wherein the second polyol is a polyether polyol initiated with one or more ...

Methods and systems for producing a bio-based cosmetic sponge and blender

Systems, devices, and methods for a cosmetic sponge comprising: a prepolymer material and a bio-based material, where the prepolymer material and the bio-based material are reacted with an additive component comprising water and bio-based material dissolved in the water.

Polyisocyanate Trimerization Catalyst Composition

A trimerization catalyst composition comprising a trimerization catalyst compound selected from one or more organic metal salt, preferably alkali or earth alkali metal salts, and one or more compounds selected from compounds which comprise a carboxamide group having the structure —CO—NHand/or from compounds which comprise a group having the structure —CO—NH—CO— is disclosed.

Epoxy resin with enhanced viscosity stability and use thereof

The present invention provides low polyphenols (such as bisphenol A) tougheners for epoxy adhesives. The tougheners, and adhesives comprising the tougheners exhibit enhanced viscosity stability, e.g., compared to tougheners prepared from higher amounts of bisphenol A (and epoxy adhesives comprising them).

POLYMERIC ADHESIVE FOR ANCHORING COMPLIANT MATERIALS TO ANOTHER SURFACE

Methods, compositions, and kits for adhering polymers and other materials to another material, and in particular to bone or bone-like structures or surfaces. A composition of matter includes a urethane dimethacrylate-methyl methacrylate copolymer with a plurality of first polymer regions based on urethane dimethacrylate and a plurality of second polymer regions based on methyl methacrylate. The method includes placing an orthopedic joint implant having an attachment surface in a joint space, applying a first non-urethane-containing precursor, a second urethane-containing precursor, and a initiator to the attachment surface; contacting the first and second precursors and the initiator with the joint surface; and copolymerizing the first and second precursors and forming an adhesive copolymer and attaching the implant to the joint. 1. A device comprising: (a) a polymeric implant , (b) a metal or ceramic material , and (c) a urethane dimethacrylate-methyl methacrylate copolymer adhering the polymeric implant to the metal or ceramic material , the urethane dimethacrylate-methyl methacrylate copolymer comprising a plurality of first polymer regions based on urethane dimethacrylate and a plurality of second polymer regions based on methyl methacrylate.2. The device of claim 1 , wherein the plurality of first polymer regions based on urethane dimethacrylate comprises a plurality of hard segments and soft segments.3. The device of claim 1 , wherein the implant is an orthopedic joint implant comprising a polyurethane IPN or a polyurethane semi-IPN.4. The device of claim 1 , wherein the implant is an orthopedic joint implant comprising a polyether urethane IPN or a polyether urethane semi-IPN.5. The device of claim 1 , wherein the first polymer regions based on urethane dimethacrylate comprise about 60%-99% (w/w) of the copolymer and the second polymer regions based on methyl methacrylate comprise about 1%-40% (w/w) of the copolymer.6. The device of claim 1 , wherein the ...

THERMOPLASTIC FOAM PREPARED FROM TWO SPECIAL POLYURETHANE DISPERSIONS

The invention relates to a foamed, fissure-free skin-compatible article, produced by mixing a first polyurethane dispersion (A) with at least one second polyurethane dispersion (B) which differs from the first polyurethane dispersion (A), optionally with the addition of other additives, then by foaming and subsequently drying the mixture. The invention also relates to a process for preparing the foamed article and to the use thereof. 1. A foamed article produced by mixing a first polyurethane dispersion (A) with at least one second polyurethane dispersion (B) , optionally with addition of further additives , foaming and subsequently drying the mixture , wherein the polyurethane dispersion (A) is obtained by preparing A1) organic polyisocyanates,', 'A2) polymeric polyols having number-average molecular weights of 400 to 8000 g/mol and OH functionalities of 1.5 to 6, and', 'A3) optionally hydroxyl-functional compounds having molecular weights of 62 to 399 g/mol, and', 'A4) optionally isocyanate-reactive, anionic or potentially anionic and optionally nonionic hydrophilizing agents,, 'A) isocyanate-functional prepolymers from'}and B1) optionally with amino-functional compounds having molecular weights of 32 to 400 g/mol and', 'B2) with amino-functional, anionic or potentially anionic hydrophilizing agents, 'B) the free NCO groups thereof are then wholly or partly reacted'}by chain extension and the prepolymers are dispersed in water before, during or after step B), and A. an aliphatic polyisocyanate component having an average isocyanate functionality of ≥1.8 and ≤2.6,', 'B. a polymeric polyether polyol component,', 'C. an amino-functional chain extender component having at least 2 isocyanate-reactive amino groups, comprising at least one amino-functional compound C1. that does not have any ionic or ionogenic groups and/or an amino-functional compound C2. that has ionic or ionogenic groups,', 'D. optionally further hydrophilizing components other than C2.,', 'E. ...

NOVEL TWO-COMPONENT OUTER COATING CONTAINING POLYASPARTIC ACID ESTERS

The present invention relates to two-component topcoat systems comprising polyaspartic esters that contain only small amounts of dialkyl fumarates, to a process for the production thereof and for the use thereof in the production of coatings, in particular for corrosion protection, and to the use in the field of general industrial painting or in the field of ACE (agriculture, construction and earth-moving equipment) and to substrates coated therewith. 2. The two-component coating compositions according to claim 1 , wherein dialkyl fumarates are present in component A in an amount from 0.01% to 1% by weight based on the total weight of component A.3. The two-component coating compositions according to claim 1 , wherein dialkyl fumarates are present in component A in an amount from 0.01% to 0.1% by weight based on the total weight of component A.4. The two-component coating compositions according to claim 1 , wherein the polyaspartic ester-containing component A does not comprise any compounds of the formula (II).5. The two-component coating compositions according to claim 1 , wherein the polyaspartic ester-containing component A comprises compounds of the formula (II).6. The two-component coating compositions according to claim 1 , wherein the polyaspartic ester-containing component A comprises one or more compounds of the formula (II) and a proportion of compounds of the formula (II) is not less than 0.1% of a total area measured as area % in the gas chromatogram (GC) claim 1 , wherein the total area corresponds to a sum of the areas in the GC of compounds of the two general formulas (I) and (II) and is equal to 100%.7. The two-component coating compositions according to claim 1 , wherein the polyaspartic ester-containing component A comprises one or more compounds of the formula (II) and a proportion of compounds of the formula (II) is not less than 1% of a total area measured as area % in the gas chromatogram (GC) claim 1 , wherein the total area corresponds to a ...

Anhydrously curing polyisocyanate-based adhesives

The present invention relates to adhesives which are characterized in that they cure in the absence of water and at room temperature with the formation of isocyanurate groups.

PREPREG AND MOLDED ARTICLE

Provided is a prepreg including: a urethane (meth)acrylate that is a reaction product of a polyisocyanate compound comprising a polymethylene polyphenyl polyisocyanate as an essential component with a hydroxyl group-containing compound comprising, as an essential component, a compound having a hydroxyl group and a (meth)acryloyl group; a polymerization initiator; and carbon fibers. The prepreg is excellent in workability and molding property and can form molded products excellent in various physical properties such as interlayer shear strength and heat resistance. Thus, the prepreg is suitable for use in various molded articles including automotive members. 1. A prepreg comprising:a urethane (meth)acrylate (A) that is a reaction product of a polyisocyanate compound (a1) comprising a polymethylene polyphenyl polyisocyanate (a1-1) as an essential component with a hydroxyl group-containing compound (a2) comprising, as an essential component, a compound (a2-1) having a hydroxyl group and a (meth)acryloyl group;a polymerization initiator (B); andcarbon fibers (C).2. The prepreg according to claim 1 , wherein the content of the polymethylene polyphenyl polyisocyanate (a1-1) in raw materials excluding the carbon fibers (C) is in the range of from 1 to 40% by mass.3. A molded article comprising a product obtained by curing the prepreg according to .4. A molded article comprising a product obtained by curing the prepreg according to . The present invention relates to a prepreg which is excellent in workability and molding property and can form molded articles excellent in various physical properties including interlayer shear strength, and to a molded article thereof.Fiber-reinforced resin composite materials which are reinforced with reinforcing fibers such as carbon fibers or glass fibers have drawn attention in terms of their light-weight and characteristics such as excellent heat resistance or mechanical strength. Use of them is expanding in various structural ...

ADHESION PROMOTER FOR COATING COMPOSITIONS SUITABLE FOR PRODUCING SURFACER COATS

The present invention relates to a mixture (M) which can be used as curing agent and as adhesion promoter and which comprises at least two components (M1) and (M2), which are different from one another and have in each case independently of one another free and/or blocked isocyanate groups, and which optionally comprises a further component (M3) different from (M1) and (M2); component (M1) comprises at least one aliphatic polyisocyanate, and component (M2) comprises at least one aliphatic polyisocyanate having polyether units, wherein the relative weight ratio of (M1) and (M2) in (M) to one another is in a range from 25:1 to 3:1, based in each case on the solids content of (M1) and (M2), and at least one of the components (M1), (M2), and optionally (M3) present in (M) has hydrolyzable silane groups, to a use of (M) as curing agent and adhesion promoter in a coating composition, to such a coating composition, and to methods for at least partly coating a substrate with a surfacer coat and for at least partly coating a substrate with a multicoat paint system. 1. A mixture (M) comprising at least two components (M1) and (M2) , which are different from one another and comprise in each case independently of one another free and/or blocked isocyanate groups , and which mixture optionally comprises a further component (M3) different from (M1) and (M2);wherein component (M1) comprises at least one aliphatic polyisocyanate,component (M2) comprises at least one aliphatic polyisocyanate having polyether units,the relative weight ratio of components (M1) and (M2) in the mixture (M) to one another is in a range from 25:1 to 3:1, based in each case on the solids content of components (M1) and (M2),at least one of the components (M1), (M2), and optionally (M3) present in the mixture (M) has a hydrolyzable silane group, andthe mixture is suitable as a curing agent and as an adhesion promoter.2. The mixture as claimed in claim 1 , wherein the relative weight ratio of components (M1) ...

PROCESS FOR THE PRODUCTION OF POLYOXYMETHYLENE BLOCK COPOLYMERS

The invention relates to a process for producing polyoxymethylene block copolymers, comprising the step of activating the DMC catalyst in the presence of an OH-terminated polymeric formaldehyde starter compound by means of a defined amount of alkylene oxide, optionally followed by polymerization with alkylene oxides, if necessary in the presence of other comonomers. The invention further relates to polyoxymethylene block copolymers that can be obtained by means of such a process and to the use of these for producing polyurethane polymers. 1. A process for preparing polyoxymethylene block copolymers comprising catalytically adding one or more alkylene oxides and optionally additional comonomers onto at least one polymeric formaldehyde starter compound having at least one terminal hydroxyl group , in the presence of a double metal cyanide (DMC) catalyst , which comprises(i) activating the DMC catalyst in the presence of the polymeric formaldehyde starter compound, in which activation of the DMC catalyst is accomplished by adding a portion, based on the totality of the amount of alkylene oxides used in the activation and polymerization, of one or more alkylene oxides,and(ii) adding one or more alkylene oxides and optionally additional comonomers to the mixture resulting from (i), in which the alkylene oxides used in (ii) may be the same as or different than the alkylene oxides used in (i),{'sub': 'act', 'wherein the activation of the DMC catalyst in (i) is effected at an activation temperature (T) of 20 to 120° C.'}2. The process as claimed in claim 1 , wherein said at least one polymeric formaldehyde starter compound comprises at least one open-chain polymeric formaldehyde starter compound having n repeat oxymethylene units and a functionality F of 1 to 10 claim 1 , wherein n is an integer of from 2 to 400 claim 1 , and wherein the starter compound may be present in the form of a mixture of polymeric formaldehyde starter compounds each having different values of n.3. ...

NATURAL OIL POLYOLS DERIVED FROM POST-CONSUMER RECYCLE OILS

Disclosed embodiments include an open cell, molded polyurethane foam comprising the reaction product of a reaction mixture comprising: an isocyanate mixture; and a polyol formulation, comprising a glycerin-initiated, alkylene-oxide capped natural oil polyol having a molecular weight of between 3,000 and 8,000 and a polydispersity index (PDI) of between approximately 1.5 and 2.5, wherein the PDI is defined as the ratio of the weight-average molecular weight, Mw, to the number-average molecular weight, Mn. 1. An open cell , molded foam produced by a process , the process comprising: reacting a first polyol with an acid anhydride compound to produce a monol having two or more polycarboxylic acid substituents;', 'reacting the monol having two or more polycarboxylic acid substituents with an epoxidized fatty acid of a post-consumer recycle oil to produce a polyol branching agent;', 'reacting the polyol branching agent with a polyol initiator to link at least two molecules of the polyol branching agent together to produce a branched polyol; and', 'capping the branched polyol with an alkylene oxide to produce a natural oil-based polyol having a molecular weight of between 2,000 and 6,000., 'reacting a polyol formulation with an isocyanate mixture, wherein at least one component of the polyol formulation is produced by a process comprising2. The foam of claim 1 , wherein the process used to produce the foam further comprises extracting the polyol branching agent from a reaction mixture produced from the monol having two or more polycarboxylic acid substituents and the epoxidized fatty acid of a post-consumer recycle oil using one or more solvents.3. The foam of claim 2 , wherein the one or more solvents comprise a hydrocarbon solvent having between 2 and 8 carbon atoms.4. The foam of claim 2 , wherein the one or more solvents comprise petroleum ether claim 2 , and the extraction separates the polyol branching agent from saturated fatty acid components of the reaction ...