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 ...

ПОЛИУРЕТАНЫ, ИХ ДИСПЕРСИИ, ИХ ПОЛУЧЕНИЕ И ПРИМЕНЕНИЕ

Настоящее изобретение относится к полиуретанам, водным дисперсиям и их применению в печатном процессе, а также к краскам для флексографической или глубокой печати и способу печати на подложке. Указанный полиуретан получают в результате взаимодействия (a) от 15% до 70 мас. % ди- или полиизоцианата, содержащего в среднем от 1 до 10 аллофанатных групп и в среднем от 1 до 10 двойных связей C-C на молекулу, (b) от 1% до 10 мас. % дополнительного ди- или полиизоцианата, с (c) от 5% до 50 мас. % соединений, имеющих по меньшей мере одну реакционноспособную относительно изоцианата группу, включающих по меньшей мере один поликарбонатдиол с молекулярной массой от 500 до 3000 г/моль. Указанный ди- или полиизоцианат (а) получают в результате реакции по меньшей мере одного ди- или полиизоцианата (а1) с по меньшей мере одним соединением общей формулыДанные полиуретаны применяются для получения печатных красок, которые особенно эффективно отверждаются при применении актиничного излучения и/или термически ...

ПРОДУКТ С ТВЕРДОЙ ПОВЕРХНОСТЬЮ И СПОСОБ ЕГО ПОЛУЧЕНИЯ

Настоящее изобретение относится к термоотверждаемому материалу с твердой поверхностью, а также к способу его получения. Указанный термоотверждаемый материал получен из жидкой композиции, содержащей по меньшей мере один полиол, по меньшей мере один металлосодержащий катализатор, по меньшей мере один изоцианат и расширяемые полимерные микросферы. Диаметр полимерных микросфер увеличивается в 2-5 раз по отношению к нерасширенному состоянию. Полиол представляет собой простой полиэфир, сложный полиэфир, полиол на основе поликарбоната или полиол на основе макрогликоля. Количество полиола составляет от 4 до 20% по массе относительно композиции. Термоотверждаемый материал с твердой поверхностью является жестким, непрозрачным или полупрозрачным и частично расширенным, сохраняя при этом твердые участки. 2 н. и 14 з.п. ф-лы, 4 ил., 5 табл., 5 пр.

ПОЛУЧЕНИЕ И ПРИМЕНЕНИЕ НОВЫХ ТЕРМОПЛАСТИЧЕСКИХ ПОЛИУРЕТАНОВЫХ ЭЛАСТОМЕРОВ НА ОСНОВЕ ПРОСТЫХ ПОЛИЭФИРКАРБОНАТПОЛИОЛОВ

Настоящее изобретение относится к способу получения термопластического полиуретанового эластомера, а также к применению данного эластомера для изготовления изделий методом литья под давлением или экструзии. Способ включает первую стадию, на которой по меньшей мере один органический диизоцианат А) и по меньшей мере один полиол В) со среднечисленной молекулярной массой M≥500 и ≤5000 г/моль реагируют между собой с образованием заканчивающегося изоцианатом форполимера. На второй стадии проводят реакцию форполимера с одним или несколькими агентами удлинения цепи C) с молекулярной массой ≥60 и ≤490 г/моль и при необходимости с монофункциональным прерывателем цепи D) или органическим диизоцианатом Е), причем при необходимости на первой и/или второй стадии используют по меньшей мере один катализатор F). Реакцию компонентов проводят в реакционном экструдере или по ленточному способу со смесительной головкой. Молярное соотношение между суммой изоцианатных групп из А)) и при необходимости Е) и суммой ...

СПОСОБ ИЗГОТОВЛЕНИЯ ФОТОХРОМНОГО ОПТИЧЕСКОГО ИЗДЕЛИЯ С ИСПОЛЬЗОВАНИЕМ ПРЕДВАРИТЕЛЬНОЙ ОБРАБОТКИ ОРГАНИЧЕСКИМ РАСТВОРИТЕЛЕМ И ФОТОХРОМНОГО ПОКРЫТИЯ

Изобретение относится к способу получения фотохромных оптических изделий. Способ включает (i) нанесение первого органического растворителя на поверхность оптической подложки с образованием смоченной органическим растворителем поверхности оптической подложки, (ii) нанесение отверждаемого фотохромного состава на смоченную органическим растворителем поверхность оптической подложки и (iii) по меньшей мере частичное отверждение вышеупомянутого отверждаемого слоя фотохромного покрытия. Отверждаемый состав фотохромного покрытия содержит второй органический растворитель. Первый и второй органические растворители могут смешиваться друг с другом и могут быть одинаковыми. Изобретение обеспечивает снижение количества фотохромного состава для формирования покрытия, а также снижение количества образующихся при этом отходов при сохранении качества изделия. 2 н. и 15 з.п. ф-лы, 5 ил., 3 табл., 1 пр.

КОМПОЗИЦИЯ ГЕРМЕТИЗИРУЮЩЕГО СРЕДСТВА, ОТВЕРЖДАЕМАЯ ВЫСОКОАКТИВНЫМ ИЗЛУЧЕНИЕМ, И ДЕТАЛЬ С ГЕРМЕТИЗИРУЮЩИМ СЛОЕМ

Изобретение относится к композиции герметизирующего средства, отверждаемой высокоактивным излучением, и к детали, предоставляемой с герметизирующим слоем, состоящим из отвержденного продукта композиции герметизирующего средства. Композиция включает (А) уретановую смолу, содержащую ненасыщенные группы, имеющую среднечисловую молекулярную массу, равную 1000-100000, и степень ненасыщенности, равную 0,1-1 моль/кг, (B) тетрагидрофурфурил(мет)-акрилат и (C) инициатор фотополимеризации. Уретановую смолу (A) получают посредством реакции (a) поликарбонатдиола, имеющего среднечисловую молекулярную массу, равную 500-3000, (b) бифункционального эпоксиакрилата или бифункционального эпоксиметакрилата, причем указанные эпоксиакрилат и эпоксиметакрилат имеют две гидроксильные группы и две этиленово-ненасыщенные группы в каждой молекуле, и (с) полиизоцианата. Композиция герметизирующего средства демонстрирует высокую эффективность отверждения и дает отвержденный продукт, имеющий низкую твердость, повышенную ...

Полиуретановые композиции, пленки и способы

Изобретение относится к полиуретановым композициям, пленкам и способам их изготовления. Отверждаемая композиция содержит первичный полиизоцианат, моногидроксил акриловый полидиметилсилоксан в количестве 0,1-5,0 вес.% относительно общего веса композиции и полиол, выбранный из группы, состоящей из: капролактон полиола, поликарбонатного полиола, сложноэфирного полиола, акрилового полиола, простого полиэфирного полиола, полиолефинового полиола и их смесей. Изобретение повышает устойчивость к образованию пятен на полуретановых покрытиях за счет формирования низкоэнергетической поверхности на полиуретановом слое, облегчает удаление загрязнений, заявляемые элементы остаются исключительно прозрачными и пригодными для реализации прикладных задач защиты поверхности. 6 н. и 14 з.п. ф-лы, 3 ил., 3 табл., 11 пр.

ПОЛИУРЕТАНЫ, ИЗДЕЛИЯ И ПОКРЫТИЯ, ПОЛУЧЕННЫЕ ИЗ НИХ, И СПОСОБЫ ИХ ПОЛУЧЕНИЯ

Настоящее изобретение относится к полиуретанам, к композициям, покрытиям и изделиям, полученных из них, и способам их получения. Полиуретан включает продукт взаимодействия компонентов, включающих: (а) по меньшей мере, один форполимер с функциональными изоцианатными группами, содержащий продукт взаимодействия (1) приблизительно 1 эквивалента, по меньшей мере, одного полиизоцианата и (2) от приблизительно 0,1 до приблизительно 0,4 эквивалента, по меньшей мере, одного поликарбонатаполиола, (b) от приблизительно 0,5 до приблизительно 0,8 эквивалента триметилолпропана и (с) от приблизительно 0,1 до приблизительно 0,5 эквивалента бутандиола, пентандиола или циклогександиметанола. Изделия, полученные с использованием указанных полиуретанов, обладают хорошими оптическими качествами, высокой ударопрочностью, высоким коэффициентом К, хорошим баллистическим сопротивлением, хорошим сопротивлением к действию растворителей и хорошей погодостойкостью. 7 н. и 18 з.п. ф-лы, 5 ил., 38 табл., 20 пр.

ВОДНЫЕ ПОЛИУРЕТАН-ПОЛИКАРБАМИДНЫЕ ДИСПЕРСИИ, СПОСОБ ИХ ПОЛУЧЕНИЯ И ИХ ПРИМЕНЕНИЕ

Настоящее изобретение относится к водной полиуретан-поликарбамидной дисперсии (ПУР-дисперсия), используемой в качестве материала для покрытий для получения субстратов с покрытиями, а также для изготовления шлихты и клеев. Дисперсия имеет два отдельных максимума в распределении частиц по размерам. Максимум доли мелких фракций лежит в диапазоне от 51 до 150 нм, а максимум доли грубых фракций лежит в диапазоне от 160 до 700 нм. Данная ПУР-дисперсия не содержит внешних эмульгаторов, имеет низкую вязкость, стабильна, устойчива при хранении и перевозке и отверждается при сравнительно низких температурах от 120°С до 150°С в течение 2-3 минут. Покрытия, полученные из такой ПУР-дисперсии, обладают высокой адгезионной прочностью в мокром состоянии, хорошей устойчивостью к истиранию, стойкостью к царапанию, многократному изгибу и гидролизу. 9 з.п. ф-лы, 1 табл.

РЕАКТИВНЫЕ ТЕРМОПЛАВКИЕ АДГЕЗИВЫ С УЛУЧШЕННОЙ АДГЕЗИЕЙ

Изобретение относится к влагоотверждаемым термоплавким клеевым композициям, содержащим от 50 до 95 масс. % продукта взаимодействия (i) полукристаллического полиола, (ii) полиизоцианата и (iii) первичного аминосилана; и от 5 до 50 масс. % силан-реактивного пластификатора, а также к способу их получения и к применению. Силан-реактивная термоплавкая композиция по изобретению характеризуется отсутствием изоцианатных мономеров, обеспечивает хорошую адгезию к различным субстратам, быстрое схватывание и высокую прочность в сшитом состоянии. 5 н. и 16 з.п. ф-лы, 10 табл.

Соединение с органической аминовой солью, имеющее анион в качестве донора CO, и его использование в качестве вспенивающего агента

Изобретение относится к вспенивающему агенту, содержащему соединение соли органического амина формулы (I) или смесь соединений солей органического амина формулы (I). Формула (I): A[B](I), где A- анион - источник CO, имеющий -n валентность, где n=1, 2 или 3, Bпредставляет собой или содержит ион аммония с валентностью +1 и/или один или более катионов органического амина (B), в котором каждый катион (B) имеет группу -NRRH и/или группу -NRH- в количестве m, где m=1-5, 00 мас.% до 40 мас.%. Также предложены способы ...

БЛОКСОПОЛИМЕРЫ ЭТИЛЕНОКСИДА/ПРОПИЛЕНОКСИДА В КАЧЕСТВЕ СТАБИЛИЗАТОРОВ ДЛЯ ПОЛИУРЕТАНОВЫХ ПЕН

... 1. Применение блоксополимеров этиленоксида/пропиленоксида в качестве стабилизаторов для полиуретановых пен. ! 2. Применение по п.1, отличающееся тем, что блоксополимеры этиленоксида/пропиленоксида имеют 5-95 мас.% этиленоксида относительно суммы этилен- и пропиленоксида и среднечисленную молекулярную массу от 1000 до 10000 г/моль. ! 3. Применение по п.1, отличающееся тем, что в качестве блоксополимеров этиленоксида/пропиленоксида используют блоксополимеры формулы (I) ! ! 4. Применение по п.1, отличающееся тем, что помимо стабилизации достигается также гидрофильность пен. ! 5. Применение по п.1 или 4, отличающееся тем, что речь идет о таких полиуретановых пенах, которые получают физическим высушиванием из водных полиуретановых дисперсий. ! 6. Состав, содержащий водную, анионную гидрофильную полиуретановую дисперсию (I) и пенообразующие добавки (II), причем эти пенообразующие добавки (II) содержат, по меньшей мере, один блоксополимер этиленоксида/пропиленоксида. ! 7. Состав по п.6, отличающийся ...

МЕДИЦИНСКОЕ УСТРОЙСТВО С АНТИМИКРОБНЫМ ПОКРЫТИЕМ

... 1. Медицинское устройство с антибактериальным покрытием, получаемым из раствора, содержащего, по меньшей мере, одну неионную полиуретан-мочевину и по меньшей мере один компонент, содержащий серебро. ! 2. Медицинское устройство по п.1, отличающееся тем, что полиуретан-мочевина завершается сополимерным блоком из полиэтиленоксида и полипропиленоксида. ! 3. Медицинское устройство по п.1, отличающееся тем, что покрытие на основе полиуретан-мочевины состоит, по меньшей мере, из следующих компонентов наращивания: ! a) по меньшей мере, одного макрополиола; ! b) по меньшей мере, одного полиизоцианата. ! c) по меньшей мере, одного диамина или аминоспирта; ! d) по меньшей мере, одного монофункционального полиоксиалкиленэфира с сополимерным блоком из полиэтиленоксида и полипропиленоксида; и ! h) включает в себя, по меньшей мере, один содержащий серебро компонент. ! 4. Медицинское устройство по п.1, отличающееся тем, что в для придания антимикробной эффективности применяют, по меньшей мере, один содержащий ...

МНОГОКОМПОНЕНТНАЯ ВОДНАЯ КОМПОЗИЦИЯ ПОКРЫТИЯ И ПОДЛОЖКА С ПОКРЫТИЕМ

... 1. Многокомпонентная водная композиция покрытия, содержащая: ! (a) первый компонент, содержащий водную дисперсию, содержащую: ! (i) поликарбонат-полиуретановый полимер и ! (ii) акриловый полиол, характеризующийся среднечисленной молекулярной массой, не большей, чем 5000; и ! (b) второй компонент, содержащий материал, имеющий функциональные группы, вступающие в реакцию с функциональными группами акрилового полиола и/или поликарбонат-полиуретанового полимера. ! 2. Композиция покрытия по п.1, которая имеет низкий уровень содержания летучих органических соединений. ! 3. Композиция покрытия по п.1, в которой поликарбонат-полиуретановый полимер включает алифатический поликарбонат-полиуретановый полимер. ! 4. Композиция покрытия по п.1, в которой поликарбонат-полиуретановый полимер получают реакцией между гидроксифункциональным карбонатсодержащим материалом и полиизоцианатом, причем гидроксифункциональный карбонатсодержащий материал включает продукт реакции между угольной кислотой или ее производным ...

ВОДНЫЕ ПОЛИУРЕТАН-ПОЛИКАРБАМИДНЫЕ ДИСПЕРСИИ, СПОСОБ ИХ ПЛУОЛУЧЕНИЯ И ИХ ПРИМЕНЕНИЕ

... 1. Водная полиуретан-поликарбамидная дисперсия с двумя отдельными максимумами в распределении частиц по размерам, отличающаяся тем, что максимум доли мелких фракций лежит в диапазоне от 51 до 150 нм, а максимум доли грубых фракций лежит в диапазоне от 160 до 700 нм. 2. Водная полиуретан-поликарбамидная дисперсия по п.1, отличающаяся тем, что частицы полиуретана в доле мелких фракций имеют размеры от 5 до 300 нм. 3. Водная полиуретан-поликарбамидная дисперсия по п.1, отличающаяся тем, что частицы полиуретана в доле мелких фракций имеют размеры от 10 до 275 нм. 4. Водная полиуретан-поликарбамидная дисперсия по п.1, отличающаяся тем, что частицы полиуретана в доле грубых фракций имеют размеры от 125 до 1250 нм. 5. Водная полиуретан-поликарбамидная дисперсия по п.1, отличающаяся тем, что частицы полиуретана в доле грубых фракций имеют размеры от 160 до 1000 нм. 6. Водная полиуретан-поликарбамидная дисперсия по п.1, отличающаяся тем, что содержит 10-50 мас.% доли мелких фракций и 50-90 мас.% ...

ДВУХКОМПОНЕНТНАЯ НЕ СОДЕРЖАЩАЯ РАСТВОРИТЕЛЬ КЛЕЕВАЯ КОМПОЗИЦИЯ, ВКЛЮЧАЮЩАЯ ИНИЦИИРУЕМЫЙ АМИНОМ ПОЛИОЛ

ПОВЯЗКА НА РАНЫ, СОДЕРЖАЩАЯ СЛОЙ ПЕНОПОЛИУРЕТАНА И ПОКРЫВАЮЩИЙ СЛОЙ ИЗ ТЕРМОПЛАСТИЧНОГО ПОЛИМЕРА

... 1. Слоистый композиционный материал, подходящий в качестве повязки на раны, включающий слой пеноматериала (10), а также покрывающий слой (20), причем этот покрывающий слой (20) содержит термопластичный полимер и по меньшей мере частично непосредственно соединен со слоем пеноматериала (10), и причем слой пеноматериала (10) содержит пенополиуретан, который получают путем того, что вспенивают и высушивают композицию, содержащую водную анионно гидрофилированную дисперсию полиуретана (I). ! 2. Слоистый композиционный материал по п.1, причем композиция, из которой получают пенополиуретан слоя пеноматериала (10), кроме того, содержит добавки, которые выбирают из группы, включающей амиды жирных кислот, сульфосукцинамиды, сульфонаты углеводородов, сульфаты углеводородов, соли жирных кислот, алкилполигликозиды и/или блоксополимеры этиленоксида/пропиленоксида. ! 3. Слоистый композиционный материал по п.2, причем блоксополимеры этиленоксида/пропиленоксида имеют структуру, соответствующую общей формуле ...

ПОЛИУРЕТАНЫ, ИЗДЕЛИЯ И ПОКРЫТИЯ, ПОЛУЧЕННЫЕ ИЗ НИХ, И СПОСОБЫ ИХ ПОЛУЧЕНИЯ

СПРЯДЕННЫЕ ИЗ РАСПЛАВА МУЛЬТИФИЛАМЕНТЫ НА ОСНОВЕ ТЕРМОПЛАСТИЧНОГО ПОЛИУРЕТАНА, ИХ ИЗГОТОВЛЕНИЕ И ПРИМЕНЕНИЕ

МЕДИЦИНСКИЕ УСТРОЙСТВА С ГИДРОФИЛЬНЫМИ ПОКРЫТИЯМИ

... 1. Медицинское устройство, имеющее по меньшей мере одно покрытие, содержащее по меньшей мере одну полиуретанмочевину, отличающееся тем, что эта полиуретанмочевина в качестве концевой группы содержит сополимерную структурную единицу из полиэтиленоксида и полипропиленоксида. ! 2. Медицинское устройство по п.1, отличающееся тем, что эта полиуретанмочевина содержит структурные единицы, которые являются производными по меньшей мере одного поликарбоната, содержащего гидроксильные группы. ! 3. Медицинское устройство по п.1, отличающееся тем, что эта полиуретанмочевина содержит структурные единицы, которые являются производными по меньшей мере одного алифатического, циклоалифатического или ароматического изоцианата. ! 4. Медицинское устройство по п.1, отличающееся тем, что эта полиуретанмочевина содержит структурные единицы, которые являются производными по меньшей мере одного диамина или аминоспирта. ! 5. Медицинское устройство по одному из пп.1-4, отличающееся тем, что это покрытие содержит полиуретанмочевину ...

ПОЛИУРЕТАНОВЫЙ ПРИВОДНОЙ РЕМЕНЬ

... 1. Приводной ремень, включающий в себя основную часть ремня из эластомерного материала, растянутое усиление, расположенное в указанной основной части, и контактирующую со шкивом часть, неотделимую от указанной основной части, причем указанный эластомерный материал включает продукт взаимодействия: ! (А) композиции на основе полиизоцианатного форполимера, полученной взаимодействием ! (i) диизоцианата, выбираемого из группы, состоящей из ! (a) пара-фенилендиизоцианата, ! (b) 2,6-толуолдиизоцианата и ! (c) циклоалифатических диизоцианатов с транс или транс, трансгеометрической структурой; ! (ii) полиола, по существу, не содержащего фрагменты, окисляемые при менее чем приблизительно 150°С, и выбираемого из группы, состоящей из ! (a) поликарбонатных полиолов, ! (b) полиолов сложных полиэфиров и ! (c) смесей указанных поликарбонатных полиолов и указанных полиолов сложных полиэфиров; и ! (iii) триольного сшивающего агента, выбираемого из указанных полиолов; и добавление туда ! (iv) пластификатора ...

КОМПОЗИЦИЯ ГЕРМЕТИЗИРУЮЩЕГО СРЕДСТВА, ОТВЕРЖДАЕМАЯ ВЫСОКОАКТИВНЫМ ИЗЛУЧЕНИЕМ, И ДЕТАЛЬ С ГЕРМЕТИЗИРУЮЩИМ СЛОЕМ

... 1. Композиция герметизирующего средства, отверждаемая высокоактивным излучением, отличающаяся тем, что она содержит: ! (A) уретановую смолу, содержащую ненасыщенные группы, имеющую среднечисловую молекулярную массу в диапазоне от 1000 до 100000 и степень ненасыщенности в диапазоне от 0,1 до 1 моль/кг, которую получают посредством реакции (а) поликарбонатдиола, имеющего среднечисловую молекулярную массу в диапазоне от 500 до 3000, (b) бифункционального эпоксиакрилата или бифункционального эпоксиметакрилата, причем указанные эпоксиакрилат и эпоксиметакрилат имеют две гидроксильные группы и две этиленово-ненасыщенные группы в каждой молекуле, и (с) полиизоцианата; ! (B) мономер сложного эфира акриловой кислоты или мономер сложного эфира метакриловой кислоты, где спиртовой остаток в каждом мономере, который сложноэфирно связан с акрилоильной группой или метакрилоильной группой, представляет собой углеводородную группу, содержащую или не содержащую атом кислорода, которая имеет от 1 до 20 атомов ...

ВЫБОРОЧНО СНИМАЕМЫЕ ПОКРЫТИЯ ДЛЯ МЕТАЛЛИЧЕСКИХ И ПЛАСТИКОВЫХ ПОДЛОЖЕК

ПОЛИУРЕТАНЫ, ИХ ДИСПЕРСИИ, ИХ ПОЛУЧЕНИЕ И ПРИМЕНЕНИЕ

ПРОФИЛИРОВАННЫЙ МЕТАЛЛИЧЕСКИЙ МАТЕРИАЛ С НАНЕСЕННЫМ ПОКРЫТИЕМ

СПОСОБ ПОЛУЧЕНИЯ ПРОСТЫХ ПОЛИЭФИРКАРБОНАТПОЛИОЛОВ

СПОСОБ ПОЛУЧЕНИЯ РЕАКЦИОННОСПОСОБНОЙ ПОЛИУРЕТАНОВОЙ ЭМУЛЬСИИ

... 1. Способ получения реакционноспособной полиуретановой эмульсии для пропитывающего состава и/или покрытия для текстильных поверхностей, при котором в ходе реакции полиолов с диизоцианатами в недостатке или в ходе реакции полиолов в комбинации с ди- и/или триолами с диизоцианатами в недостатке, получают средневязкие, оканчивающиеся группами OH форполимеры, которые смешивают с внешним эмульгатором и для последующего сшивания оканчивающихся группами OH форполимеров добавляют ди-, три- и/или полиизоцианат.2. Способ по п.1, при котором для получения не поддерживающего горение пропитывающего состава и/или покрытия текстильных поверхностей полиолы в присутствии (ди- или более) функционализированных группами OH- или NH-огнезащитных средств подвергают реакции с диизоцианатами в недостатке или полиолы в комбинации с ди- и/или триолами а также с ди- или более OH- или NH-функционализированными огнезащитными средствами подвергают реакции с диизоцианатами в недостатке.3. Способ по п.2, при котором в ...

Polyurethan-Bindemittel

Die Erfindung betrifft neue lösemittelfreie, aliphatische Zweikomponenten-Polyurethan-Beschichtungsmittel und ein Verfahren, mit dem chemikalienbeständige Beschichtungen eines niedrigen Glanzgrads und einer gezielten Oberflächennarbung herstellbar sind.

Verfahren zur Herstellung einer Mehrschichtfolie

Lederartiges Bahnenmaterial und Verfahren zu dessen Herstellung

Metallacetylacetonate als Umesterungskatalysatoren

Die vorliegende Erfindung betrifft die Verwendung von Metallacetylacetonaten, basierend auf Metallen, die die Ordnungszahlen im Periodensystem der Elemente nach Medelejew (PSE) 39, 57, 59 bis 69 oder 71 haben, als Katalysator zur Herstellung aliphatischer Oligocarbonatpolyole durch Umesterung von organischen Carbonaten mit aliphatischen Polyolen.

Polyurethanlösung mit aminofunktionellen heterocyclischen Abstoppern

Verwendung von hochverzweigten Polyestern als Demulgatoren zum Spalten von Rohölemulsionen

Wässrige Beschichtungsmittel auf Basis von Polyurethan-Dispersionen

Die Erfindung betrifft wasserverdünnbare, hydroxyfunktionelle Polyurethane mit Amidstruktureinheiten, ein Verfahren zu deren Herstellung, daraus hergestellte wässrige Beschichtungsmittel und deren Verwendung zur Lackierung von Substraten.

Druckfähige und leitfähige Paste und Verfahren zum Beschichten eines Materials mit der Paste

Druckfähige und leitfähige Paste, enthaltend ein dispergierbares thermoplastisches Polyurethan, einen leitfähigen Füllstoff, einen wasserlöslichen Verdicker und Wasser. Verfahren zur Beschichtung eines Materials mit einer nach einem der vorherigen Ansprüche hergestellten Paste, bei dem die Paste auf zumindest ein Material gedruckt und anschließend getrocknet wird und das mit der Paste bedruckte Material einer kombinierten Wärme- und Druckbehandlung unterzogen wird.

Polyurethan- und Polyurethanharnstoffelastomere auf Basis von Polycarbonatpolyolen

Die vorliegende Erfindung betrifft hochwertige Polyurethan- und Polyurethanharnstoffelastomere, die in besonders anspruchsvollen Anwendungen einzigartige Kombinationen aus Varbeitungsverhalten, Oxidationsstabilität, mechanisch und mechanisch-dynamischen Eigenschaften aufweisen und die auf Polycarbonatpolyolen basieren.

TEXTILE COATINGS AND SYNTHETIC LEATHERS MADE OF POLYCARBONATE -POLYUREA ELASTOMERS

... 1418550 Coated products BAYER AG 25 Oct 1973 [25 Oct 1972] 49683/73 Heading B2E [Also in Division C3] Textile substrates are coated by a reverse coating process with a bonding coat and a top coat from a solution of an aliphatic, segmented polyurethane elastomer, each coat comprising a polyurethane elastomer of the formula: in which R represents the group in which, in the case of the bonding coat A consists of 0-100% 'by weight of and 100 to C% by weight of and, in the case of the top coat, A consists of 0 to 40% by weight of the group (I) and 60 to 100% by weight of the group (II) and in which p is an integer greater than 2, q = 6 or 7, n is an integer greater than 2, R' and R", which may be the same or different, are divalent aliphatic or cycloaliphatic radicals, R"' and RIV, which may be the same or different, are hydrogen or aliphatic radicals, k is 0 or 1, n is 0 to 4 and x is an integer. The polyurethanes may be based on polycarbonates of hexane di- and tri- and tetra-ethylene ...

Coating composition and method for forming coating film

FUNCTIONALISATION OF POLYMERS

Polyurethane cementing wiper plugs

A method for operation in wellbore, the method comprises: pumping a fluid barrier into a wellbore through a tubular, the fluid barrier being operable to separate a cement slurry from a second fluid; the fluid barrier comprising a polyurethane member derived from a polyurethane forming composition comprising a para-phenylene diisocyanate terminated polycarbonate prepolymer and an aromatic diol.

Process for preparing linear polycarbonates

A process for preparing linear polycarbonates containing terminal hydroxyl groups with the essential exclusion of other terminal groups by reacting glycols having a carbon number > 4 and cyclic esters of carbonic acid via ester interchange reaction at 100-300 DEG C and 0.1 - 300 mm Hg.

A polyol block copolymer

Coating compositions for application utilizing a high transfer efficiency applicator and methods and systems thereof

Coating compositions for application utilizing a high transfer efficiency applicator and methods and systems thereof

Coating compositions for application utilizing a high transfer efficiency applicator and methods and systems thereof

A system 50 for applying a coating composition to a substrate utilising a high transfer efficiency applicator 12 is provided herein. The system includes a high transfer efficiency applicator defining a nozzle orifice. The coating composition comprises a carrier and a binder. The coating composition has a viscosity of from about 0.002 Pa*s to about 0.2 Pa*s, a density of from about 838 kg/m3 to about 1557 kg/m3, a surface tension of from about 0.015 N/m to about 0.05 N/m, and a relaxation time of from about 0.0005 s to about 0.02 s. The high transfer efficiency applicator is configured to expel the coating composition through the nozzle orifice to a substrate 10 to form a coating layer. At least 80% of the droplets of the coating composition expelled from the high transfer efficiency applicator contact the substrate.

BIOACTIVE SURFACE MODIFIZIERER FOR POLYMERS AND FROM THIS IT OF MANUFACTURED ARTICLES

WASSERVERDÜNNBARE POLYURETHANDISPERSIONEN

AQUEOUS POLYURETHANE DISPERSIONS FOR THE PRODUCTION OF COATINGS WITH SOFTFEEL EFFECT

OLIGOCARBONAT HALTIGE COATING MEANS FOR SCRATCH-PROOF FINISH COATINGS

HYDROPHILIC PU DISPERSIONS

POLYCARBONATE AND MANUFACTURING PROCESS FOR IT

AQUEOUS COATING MEANS

REACTIVE PU COMPOSITION

COATINGS ON BASIS OF NIEDERVISKOSEN OLIGOCARBONATPOLYOLEN

FLUORINE-MODIFIED REACTIVE RESIN SYSTEMS, PROCEDURES FOR YOUR PRODUCTION AND THEIR USE

PU ELASTOMERS FROM HDI PRÄPOLYMEREN WITH A REDUCED CONTENT TO FREE HDI MONOMERS

PROCEDURE FOR THE PRODUCTION OF PU SOFT FOAM MATERIALS

N-METHYLPYRROLIDON-FREE PU DISPERSIONS ON BASIS OF DIMETHYLOLPROPIONSÄURE

PROCEDURE FOR THE PRODUCTION OF ORGANIC GLASS ONES.

FOR THE USE IN SEALING COMPOUNDS APTITUDES, IN PRESENCE OF AIR HUMIDITY INTERCONNECTION, ELASTOMERS, LIQUID COMPOSITIONS.

PROCEDURE FOR THE PRODUCTION OF PHOTO-INTERLACE-CASH POLYCARBONATES, THE GROUPS OF URETHANES AND (METH) ACRYLIC FINAL'S GROUPS CONTAINING.

AQUEOUS POLYESTER PU DISPERSIONS AND YOUR USE IN COATING MEANS

Procedure for the production of new, predominantly linear Polybiureten

PU SOLUTION WITH AMINOFUNKTIONELLEN HETERO-CYCLIC ONES ABSTOPPERN

Procedures for the production of aqueous suspensions or pastes of fibrous, in itself interlaced particles

AQUEOUS DISPERSIONS FROM PYRAZOL BLOCKING POLYISOCYANATEN AND FROM IT MANUFACTURED COATINGS

URETDIONGRUPPEN AND FREE ONE GROUPS OF ISOCYANATES EXHIBITING PULVERLACKVERNETZER

STORABLE, SELF-BRANCHED ONES HYBRID DISPERSIONS

THERMALREVERSIBLE ISOCYANATE POLYMERS

Composite foam in wound treatment

The present invention relates to a composite material, which is of particular use in wound treatment, and to a method for producing said composite material. Said composite material comprises a first foam layer comprising a first hydrophilic polyurethane foam material, and, in immediate contact therewith, a second foam layer comprising a second hydrophilic polyurethane foam material, which second hydrophilic foam material is different from the first hydrophilic foam material.

Improved method for production of poly(trimethylene carbonate)

Polycarbonate diol having high proportion of primary terminal oh

Biostable polyurethanes

Prevention, actuation and control of deployment of memory-shape polymer foam-based expandables

Actuation and control of the deployment of a polymeric memory-shape material on a wellbore device on a downhole tool may be accomplished by treating a compacted or compressed polymeric memory-shape material with a deployment fluid to lower its T ...

Electromechanical transducer comprising a polyurethane polymer with polyester and/or polycarbonate units

The present invention relates to an electromechanical transducer comprising a dielectric elastomer with contact by a first electrode and a second electrode, wherein the dielectric elastomer comprises a polyurethane polymer. In this case, the polyurethane polymer comprises at least one polyester and/or polycarbonate unit. The invention also relates to a process for producing such an electromechanical transducer, to the use of the dielectric elastomer used and also to an electrical and/or electronic apparatus comprising an electromechanical transducer according to the invention.

Biointerface layer for analyte sensors

Disclosed are devices for determining an analyte concentration (e.g., glucose). The devices comprise a sensor configured to generate a signal associated with a concentration of an analyte and a sensing membrane located over the sensor. The sensing membrane comprises a biointerface layer which interfaces with a biological fluid containing the analyte to be measured. The biointerface layer comprises a biointerface polymer, wherein the biointerface polymer comprises polyurethane and/or polyurea segments and one or more zwitterionic repeating units. The biointerface layer increases sensor longevity and decrease sensor inaccuracy by inhibiting accumulation of cells, proteins, and other biological species on the outermost layers of the sensor.

Enzyme immobilized adhesive layer for analyte sensors

Disclosed are devices for determining an analyte concentration (e.g., glucose). The devices comprise a sensor configured to generate a signal associated with a concentration of an analyte and a sensing membrane located over the sensor. The sensing membrane comprises an enzyme layer, wherein the enzyme layer comprises an enzyme and a polymer comprising polyurethane and/or polyurea segments and one or more zwitterionic repeating units. The enzyme layer protects the enzyme and prevents it from leaching from the sensing membrane into a host or deactivating.

PROCESS FOR PREPARING ORGANIC GLASSES

ISOCYANATE-REACTIVE COMPOSITIONS

OLIGOCARBONATE-CONTAINING COATING COMPOSITIONS FOR SCRATCH-RESISTANT TOPCOATS

Coating compositions comprising polyisocyanates, aliphatic oligocarbonate polyols and polyacrylate polyols are provided. The compositions comprise A) a polyol component composed of a) 1% to 50% by weight of aliphatic oligocarbonate polyols having a number-average molecular weight M n of 200 to 5000 g/mol and b) 50% to 99% by weight of hydroxy-functional polyacrylate polyols; and B) one or more OH-reactive (poly)isocyanate crosslinkers having an average NCO functionality of .gtoreq. 2.0. A process for preparing the coatings are also provided.

AQUEOUS POLYURETHANE DISPERSIONS FOR PRODUCING COATINGS WITH SOFT FEEL EFFECT

Coating compositions based on aqueous polyurethane dispersions, a process for preparing such compositions and their use for producing soft feel coatings having low fog and VOC values. The aqueous coating compositions include at least one aqueous formulation of an sonically modified, substantially hydroxyl-free polyurethane and/or polyurethaneurea, at least one aqueous formulation of an sonically modified, hydroxyl-containing polyurethane and/or polyurethaneurea, and at least one crosslinker.

COATING COMPOSITIONS FOR GLASS SUBSTRATES

The present invention relates to an aqueous polyurethane coating composition comprising: 1) 1 to 99 wt. % of the reaction product of: a) a polyol component, which is soluble or dispersible in water and is the reaction product of a polyisocyanate component containing 50 to 100 wt. % of an aliphatic diisocyanate, a polyol component containing one or more polyether polyols and having an OH number of 25 to 350 mg KOH/g solids and an isocyanate-reactive component containing at least one group capable of salt formation; and b) polyisocyanate component, which is soluble or dispersible in water, has blocked isocyanate groups and is the reaction product of one or more polyisocyanates having an isocyanurate group content of 0 to 30 wt. %, a reversible, mono functional blocking agent for isocyanate groups, a nonionic hydrophilic component and a stabilizing component which has 1 to 2 hydrazide groups and a molecular weight of 74 to 300 g/mol; and 2) 1 to 99 wt.% of an aqueous polyurethane dispersion ...

HYPERBRANCHED POLYCARBONATES FOR SOLUBILIZING SPARINGLY SOLUBLE ACTIVE INGREDIENTS

The invention relates to a composition containing an amphiphile and an active substance, which is soluble in water at 20°C at no more than 10g/I. The invention further relates to an amphiphile containing a hyperbranched polycarbonate, which is linked to at least one linear or comb-shaped polymer, to a method for producing the amphiphile, and to the use of the amphiphile in compositions containing an active substance which is soluble in water at 20°C at no more than 10g/l.

POLYCARBONATE POLYOL COMPOSITIONS AND METHODS

In one aspect, the present disclosure encompasses polymerization systems for the copolymerization of CO2 and epoxides comprising 1) a catalyst including a metal coordination compound having a permanent ligand set and at least one ligand that is a polymerization initiator, and 2) a chain transfer agent having two or more sites that can initiate polymerization. In a second aspect, the present disclosure encompasses methods for the synthesis of polycarbonate polyols using the inventive polymerization systems. In a third aspect, the present disclosure encompasses polycarbonate polyol compositions characterized in that the polymer chains have a high percentage of -OH end groups and a high percentage of carbonate linkages. The compositions are further characterized in that they contain polymer chains having an embedded polyfunctional moiety linked to a plurality of individual polycarbonate chains.

THERMALLY STABLE BIURET AND ISOCYANURATE BASED SURFACE MODIFYING MACROMOLECULES AND USES THEREOF

The invention relates to surface modifying macromolecules (SMMs) having high degradation temperatures and their use in the manufacture of articles made from base polymers which require high temperature processing. The surface modifier is admixed with the base polymer to impart alcohol and water repellency properties.

STAIN RESISTANT COATING COMPOSITION

A stain resistant coating composition includes: urethane acrylate core-shell particles including (1) a polymeric acrylic core; and (2) a polymeric shell including a urethane linkage. The polymeric shell is formed from a reaction mixture including an isocyanate and a polyol. The polyol is substantially free of a six or more consecutive methylene group chain and/or the polyol is formed from monomers comprising a monomer content including at least 10 wt% substituted polyol and/or substituted polyacid and/or at least 25 wt% polyol or polyacid containing cyclic content, based on the total weight of the monomers forming the polyol.

PROCESS FOR THE PREPARATION OF POLYCARBONATES

PROCESS FOR THE PREPARATION OF POLYCARBONATES Process for the preparation of polycarbonates by reacting at least one epoxy compound with carbon dioxide at 40 to 200.degree.C and 2 to 40 bar in the presence of a catalytic amount of a double metal cyanide complex and a) one or more salts composed of at least bivalent metal ions and metal-free anions having a solubility in water of at least 1 g/100 ml at 25 .degree.C, and/or b) one or more no-metal containing acids of which a 0.1 N solution in water at 25 .degree.C has a pH not exceeding 3.

POLYCARBONATE DIOLS FOR USE IN POLYCARBONATE URETHANES

POLYCARBONATE DIOLS FOR USE IN POLYCARBONATE URETHANES Energy-absorbing laminates for use as automobile windshields or other safety glass applications comprising a polycarbonate urethane and a sheet. of glass are disclosed. The polyurethane is formed from a cycloaliphatic diisocyanate, a compound containing at least two active hydrogens per molecule and having a molecular weight below 250. and a special polycarbonate diol synthesized from a mixture of linear aliphatic and cycloaliphatic diols.

POLYURETHANE RESIN WITH HIGH CARBONATE GROUP CONTENT

The invention relates to solvent-borne polyurethane resins with a high carbonate group content which are dilutable in water, to aqueous coating compositions prepared thereof, to a process for preparing them and to their use.

METHOD FOR PRODUCING ALIPHATIC OLIGOCARBONATE DIOLS

The invention relates to a novel method for producing aliphatic oligocarbonate diols from aliphatic diols by means of a multi-stage transesterification with dimethyl carbonate (DMC) while almost completely utilizing the carbonate involved. The inventive method enables a particularly high-yield production of aliphatic oligocarbonate diols starting from easily accessible DMC.

POLYOL COMPOSITIONS

Disclosed is a polyol composition comprising: (a) at least one monomeric polyol comprising three or more hydroxyl groups; (b) at least one higher polyol comprising three or more hydroxyl groups; and (c) at least one polyhydroxylated aromatic compound; wherein the at least one higher polyol comprises residues of either or both of the at least one monomeric polyol and the polyhydroxylated aromatic compound linked by one or more carbonate groups, oxygen ether groups, or a combination thereof, and wherein the polyol composition has a viscosity of less than 5000 cps at 150 degrees Fahrenheit. The at least one monomeric polyol and at least one higher polyol may have any structures affording polyol compositions and polyurethane compositions having the requisite physical characteristics in terms of polyol composition viscosity and polyurethane heat resistance, strength and flexural modulus. The polyol compositions are adapted to provide structurally robust, temperature resistant polyurethanes, ...

PHOTOCHROMIC ARTICLE

The present invention relates to a photochromic article that includes a substrate and a photochromic layer formed from a curable photochromic composition. The photochromic composition includes a polyol component that includes a polycarbonate diol, an isocyanate component that includes an unblocked polyfunctional isocyanate and/or a blocked polyfunctional isocyanate, and at least one photochromic compound. The equivalents ratio of blocked/unblocked isocyanate equivalents of the isocyanate component to hydroxyl equivalents of the polyol component is at least 5:1. The photochromic article exhibits a T1/2 (Fade Half Life) at 23°C of less than or equal to 70 seconds.

OLIGOMERIC POLYOL COMPOSITIONS

There is provided an oligomeric polyol composition having (a) an oligomeric network containing residues of at least one polyhydroxylated aromatic compound and residues of at least one polyol having at least three hydroxyl groups; and (b) a plurality of peripheral groups having one or more pendant hydroxyl groups bound to the oligomeric network by a plurality of linking units The residues of the polyol may optionally contain one or more oxygen ether groups, one or more amino ether groups, or both one or more oxygen ether groups and one or more amino ether groups. Reaction of the oligomeric polyols with isocyanate monomers affords a new class of polyurethanes having superior heat and water resistance. The new polyurethanes exhibit lower peak exotherms, typically less than 250 °F during in-mold polymerization. Articles prepared from potyurethanes incorporating such oligomeric polyol compositions exhibit flexural strengths and moduli in excess of 10,000 psi and 400,000 psi respectively, and ...

POLYCARBONATE UREA/URETHANE POLYMERS FOR USE WITH ANALYTE SENSORS

Embodiments of the invention provide compositions useful in analyte sensors as well as methods for making and using such compositions and sensors. In typical embodiments of the invention, the sensor is a glucose sensor having an analyte modulating membrane. The analyte modulating layer includes a biocompatible composition including a polyurea-urethane copolymer formed from a reaction mixture. The polyurea-urethane copolymer exhibits an improved thermal stability.

BIOINTERFACE LAYER FOR ANALYTE SENSORS

Disclosed are devices for determining an analyte concentration (e.g., glucose). The devices comprise a sensor configured to generate a signal associated with a concentration of an analyte and a sensing membrane located over the sensor. The sensing membrane comprises a biointerface layer which interfaces with a biological fluid containing the analyte to be measured. The biointerface layer comprises a biointerface polymer, wherein the biointerface polymer comprises polyurethane and/or polyurea segments and one or more zwitterionic repeating units. The biointerface layer increases sensor longevity and decrease sensor inaccuracy by inhibiting accumulation of cells, proteins, and other biological species on the outermost layers of the sensor.

ORGANIC AMINE SALT COMPOUNDS HAVING CO2-DONATING ANIONS AND THEIR USE AS FOAMING AGENT

An organic amine salt compound having the general formula (I): An-[Bm+]p. In the formula, An- is anions having -n valence serving as CO2 donors, wherein n = 1, 2, or 3; Bm+ is or contains: ammonium ions and/or organic amine B cations; m = 1-10; formula (AA); An- is selected from one or more of the following anions: (a) carbamate; (b) carbonate; (c) formate; (d) bicarbonate; (e) organic monocarbonate; (f) organic polycarbamate; formula (g) or formula (J); or (h) organic polycarbonate; the compound of general formula (I) has at least one hydroxyalkyl linked to N atoms, i.e. has alcohol amine residue. Same can serve as a polyurethane foaming agent, a polystyrene foaming agent, or a polyvinyl chloride foaming agent.

THERMOPLASTIC COMPOSITIONS, METHODS, APPARATUS, AND USES

Thermoplastic polyurethane (TPU) compositions, methods for producing TPU compositions, methods of using TPU compositions, and apparatuses produced therefrom are disclosed. Disclosed TPU compositions include a thermoplastic polyurethane polymer, a heat stabilizer, a flow agent, and a filler material. The filler may be a glass fiber. Disclosed TPU compositions have improved thermal stability and improved flow properties suitable for injection molding of articles of manufacture having a large plurality of fine openings or pores. Articles produced from the composition have superior thermal stability, abrasion resistance, and chemical resistance. Example articles include screening members for vibratory screening machines.

Method for formulating a reactive polyurethane emulsion

A method for production of a reactive polyurethane emulsion for use in impregnating and coating a textile fabric includes reacting polyols alone or in combination with at least one of diols and triols with a substoichiometric amount of diisocyanates so as to form medium-viscosity, OH-terminated prepolymers. The prepolymers are mixed with an external emulsifier. At least one of a diisocyanate, a triisocyanate and a polyisocyanate are added so as to bring about a crosslinking of the prepolymers.

Laminated polyester film

The present invention provide a laminated polyester film which is capable of ensuring a good dimensional stability without being subjected to such a surface saponification treatment with an alkali solution as required for triacetyl cellulose films, is available at low costs, exhibits a good adhesion property to adhesives and a high total light transmittance, and can be suitably used as a protective film for polarizing films. The laminated polyester film of the present invention comprises a polyester film; a coating layer formed on one surface of the polyester film which comprises an acrylic resin or a urethane resin as a main component; and a coating layer formed on the other surface of the polyester film which comprises a urethane resin having a polycarbonate structure. In the preferred embodiment of the present invention, the coating layer comprising the acrylic resin or the urethane resin as a main component has a thickness of 0.04 to 0.15 μm, and the polyester film comprises an ultraviolet absorber.

Discharge gap filling composition and electrostatic discharge protector

A discharge gap filling composition which includes metal powders (A) and a binder component (B), wherein surfaces of primary particles of the metal powders (A) are coated with a film composed of a metal oxide, and the primary particles of the metal powders (A) have a flake form. An electrostatic discharge protector is obtained using the composition.

Thermally stable biuret and isocyanurate based surface modifying macromolecules and uses thereof

The invention relates to surface modifying macromolecules (SMMs) having high degradation temperatures and their use in the manufacture of articles made from base polymers which require high temperature processing. The surface modifier is admixed with the base polymer to impart alcohol and water repellency properties.

Hydrophilic polyurethane urea dispersions

The invention relates to a polyurethane urea dispersion, wherein the polyurethane urea (1) is terminated with a copolymer unit of polyethylene oxide and poly-C4-C12-alkylene oxide, and (2) comprises at least one polycarbonate polyol containing hydroxyl groups.

Orthopedic implants having gradient polymer alloys

Orthopedic implants having a bone interface member and a water swellable IPN or semi-IPN with a stiffness, hydration, and/or compositional gradient from one side to the other and physically attached to the bone interface member. The invention also includes an orthopedic implant system including an implant that may conform to a bone surface and a joint capsule. The invention also includes orthopedic implants with water swellable IPN or semi-IPNs including a hydrophobic thermoset or thermoplastic polymer first network and an ionic polymer second network, joint capsules, labral components, and bone interface members. The invention also includes a method of inserting an orthopedic implant having a metal portion and a flexible polymer portion into a joint, including inserting the implant in a joint in a first shape and changing the implant from a first shape to a second shape to conform to a shape of a bone.

Weatherable & Abrasion Resistant Coating Systems for Polymeric Substrates

Disclosed herein is a primer composition comprising an inorganic UV absorbing agent and a polymer selected from (i) a copolycarbonate, and (ii) a polyurethane obtained by reaction of a polyisocyanate and a copolycarbonate diol. Also disclosed is a coated article comprising a polymeric substrate, a primer layer disposed on at least one surface of said substrate, and an abrasion-resistant layer disposed on said primer layer, where the primer layer is made from the primer composition of the invention.

Photopolymer formulation having different writing comonomers

The invention relates to a photopolymer formulation comprising matrix polymers, writing monomers, and photo initiators, comprising a combination of at least two different writing monomers. The invention further relates to the use of the photopolymer formulation for producing optical elements, in particular for producing holographic elements and images, to a method for producing the photopolymer formulation and to a method for illuminating holographic media made of the photopolymer formulation.

Polyurethane prepolymers

The invention relates to polyurethane prepolymers, to a method for the production thereof, and to the use thereof as binding agents for adhesives, coatings, or foams.

Golf ball

In a golf ball composed of a core and one or more cover layer which encloses the core, at least one cover layer is made primarily of a thermoplastic polyurethane elastomer obtained by reaction curing a polyurethane undiluted solution which includes both a copolymeric polycarbonate polyol-containing polyol component and a polyisocyanate component. The golf ball has an improved scuff resistance, particularly an improved low-temperature scuff resistance.

Polycarbonate polyol compositions and methods

In one aspect, the present disclosure encompasses polymerization systems for the copolymerization of CO 2 and epoxides comprising 1) a catalyst including a metal coordination compound having a permanent ligand set and at least one ligand that is a polymerization initiator, and 2) a chain transfer agent having two or more sites that can initiate polymerization. In a second aspect, the present disclosure encompasses methods for the synthesis of polycarbonate polyols using the inventive polymerization systems. In a third aspect, the present disclosure encompasses polycarbonate polyol compositions characterized in that the polymer chains have a high percentage of —OH end groups and a high percentage of carbonate linkages. The compositions are further characterized in that they contain polymer chains having an embedded polyfunctional moiety linked to a plurality of individual polycarbonate chains.

Laminated polyester film

The present invention provides a polyester film which can be suitably used as an antireflective film, an optical film, etc., and comprises a coating layer capable of exhibiting excellent easy-bonding property and weather-resistant bonding property to various topcoat agents. The laminated polyester film of the present invention comprises a coating layer which is formed of a coating solution comprising (A) a compound having an isocyanate-based reactive group and a urethane bond, (B) a urethane resin and (C) at least one crosslinking agent.

Polyisobutylene-based polyurethanes

An elastomeric polymer, comprising (1) a hard segment in the amount of 10% to 60% by weight of the elastomeric polymer, wherein the hard segment includes a urethane, urea or urethaneurea; and (2) a soft segment in the amount of 40% to 90% by weight of the elastomeric polymer. The soft segment comprises (a) at least 2% by weight of the soft segment of at least one polyether macrodiol, and/or at least one polycarbonate macrodiol; and (b) at least 2% by weight of the soft segment of at least one polyisobutylene macrodiol and/or diamine.

Polyoxymethylene Compositions For Producing Containment Devices

Polyoxymethylene polymer compositions are disclosed that contain an impact modifier. In accordance with the present disclosure, the impact modifier is attached to the polyoxymethylene polymer and comprises a thermoplastic elastomer containing carbonate groups, such as polycarbonate groups. In one embodiment, a coupling agent bonds the impact modifier to the polyoxymethylene polymer. Incorporation of an impact modifier containing carbonate groups has been found to produce articles having good impact resistance properties while also preserving the permeability of the material. The polymer composition is well suited to producing containment devices, especially fuel tanks.

THERMOPLASTIC POLYURETHANES AND USE THEREOF

The present invention relates to thermoplastic polyurethane moulding compositions with improved surface resistance (write resistance and scratch resistance) and very good technical processibility and also to the use thereof. 5. A method for the production of the composition according to claim 1 , wherein component d) is added to the thermoplastic polyurethane during production thereof or is compounded into the finished thermoplastic polyurethane.6. A method for the production of the composition according to claim 2 , comprising adding component d) to the thermoplastic polyurethane during production thereof or compounding component d) into the finished thermoplastic polyurethane.7. A method for the production of the composition according to claim 3 , comprising adding component d) to the thermoplastic polyurethane during production thereof or compounding component d) into the finished thermoplastic polyurethane.8. A method for the production of the composition according to claim 4 , comprising adding component d) to the thermoplastic polyurethane during production thereof or compounding component d) into the finished thermoplastic polyurethane.9. A moulding or coating comprising the composition according to .10. The composition according to claim 1 , wherein the composition is subjected to an injection-moulding claim 1 , extrusion claim 1 , or powder-slush process.11. An interior trim in a motor vehicle comprising the composition according to .12. An attachment component or bodywork component of a motor vehicle comprising the composition according to . Priority is claimed to German Patent Application No. 102011085182.8, filed Oct. 25, 2011 which is incorporated herein by reference, in its entirety, for all useful purposes.The present invention relates to thermoplastic polyurethane moulding compositions with very high surface resistance (write resistance, scratch resistance and abrasion resistance), very good weathering resistance, UV resistance and hydrolysis ...

POLYCARBONATE DIOL AND PRODUCING METHOD THEREOF, AND POLYURETHANE AND ACTIVE ENERGY RAY-CURABLE POLYMER COMPOSITION BOTH FORMED USING SAME

A novel polycarbonate diol is useful as a raw material for producing a polycarbonate diol-based polyurethane with a high degree of hardness, superior abrasion resistance, and superior hydrophilicity. The polyurethane is useful in paints, coating agents, synthetic leathers, artificial leathers, and highly-functional elastomers, or the like. The polycarbonate diol is also useful for producing an active-energy radiation curable polymer composition giving a cured film having superior contamination resistance and high degree of hardness. The curable polymer composition contains a urethane(meth)acrylate oligomer obtained from the polycarbonate diol. The polycarbonate diol is obtained, for example, by reacting two specific types of diols with diester carbonate in the presence of a transesterification catalyst. The catalyst has a metal of Group 1 or 2 on the periodic table. A metal content of the transesterification catalyst is 100 weight ppm or less. 1. A polycarbonate diol , obtained by reacting (i) at least one of diols selected from isosorbide , isomannide and isoidide , (ii) a diol having 1 to 15 carbons which may contain hetero atom , and (iii) a diester carbonate , by use of a transesterification catalyst , wherein ,the transesterification catalyst is either a compound using a metal of Group 1 or a compound using a metal of Group 2 on the periodic table; andthe amount of the transesterification catalyst contained in the polycarbonate diol is 100 ppm or less as the weight ratio of the metal.2. The polycarbonate diol according to claim 1 , wherein the amount of the transesterification catalyst contained in the polycarbonate diol is 0.1 ppm or more as the weight ratio of the metal.3. The polycarbonate diol according to claim 1 , wherein the transesterification catalyst is a compound using a metal of Group 2 on the periodic table.5. The polycarbonate diol according to claim 1 , wherein the highest temperature of the reaction is lower than 180° C.7. The polycarbonate diol ...

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.

Adhesive compositions and methods

The present invention encompasses polyurethane adhesive compositions comprising aliphatic polycarbonate chains. In one aspect, the present invention encompasses polyurethane adhesives derived from aliphatic polycarbonate polyols and polyisocyanates wherein the polyol chains contain a primary repeating unit having a structure: In another aspect, the invention provides articles comprising the inventive polyurethane compositions as well as methods of making such compositions.

Melt processible polyureas and polyurea-urethanes, method for the production thereof and products made therefrom

A polyurea or polyurea-urethane elastomer comprises a soft polymer segment and a hard polymer segment, wherein the hard polymer segment includes polyurea groups in combination with H-bond accepting chain extenders (HACEs) to reduce the flow temperature (T flow ) while maintaining the excellent mechanical properties such that the resulting polyurea elatomer is rendered melt-processable.

Polycarbonate polyol compositions

The present invention provides coating compositions having a crosslinker and a poly(carbonate polyol). Such coating compositions may be usefully employed in thermosetting applications for the production of coatings for consumer products.

Water-based coating composition

According to a water-based composition characterized by containing a colorant, water, a wetting agent, an amine compound, a hydroxyl group-containing organic solvent and a urethane resin having a polycarbonate group, there is provided a water-based coating composition being capable of easily controlling the gloss of a coating film applied on an object to be coated, having good storage stability, and being excellent in wetting properties to an object to be coated and continuous discharge stability without causing nozzle clogging.

POLYCARBONATE POLYOL COMPOSITIONS AND METHODS

In one aspect, the present disclosure encompasses polymerization systems for the copolymerization of COand epoxides comprising 1) a catalyst including a metal coordination compound having a permanent ligand set and at least one ligand that is a polymerization initiator, and 2) a chain transfer agent having two or more sites that can initiate polymerization. In a second aspect, the present disclosure encompasses methods for the synthesis of polycarbonate polyols using the inventive polymerization systems. In a third aspect, the present disclosure encompasses polycarbonate polyol compositions characterized in that the polymer chains have a high percentage of —OH end groups and a high percentage of carbonate linkages. The compositions are further characterized in that they contain polymer chains having an embedded polyfunctional moiety linked to a plurality of individual polycarbonate chains. 1. A polymerization system for the copolymerization of COand epoxides , the system comprising:a metal complex including a permanent ligand set and at least one ligand that is a polymerization initiator, and{'sub': '2', 'a chain transfer agent having a plurality of sites capable of initiating copolymerization of epoxides and CO.'}2. The polymerization system of claim 1 , wherein the chain transfer agent has a structure Y-A-(Y) claim 1 , where:{'sub': '2', 'each —Y group is independently a functional group capable of initiating chain growth of epoxide COcopolymers and each Y group may be the same or different;'}-A- is a covalent bond or a multivalent moiety; andn is an integer between 1 and 10, inclusive.3. The polymerization system of claim 2 , wherein each Y group is independently selected from the group consisting of: —OH claim 2 , —C(O)OH claim 2 , —C(OR)OH claim 2 , —OC(RR)OH claim 2 , —NHR claim 2 , —NHC(O)R claim 2 , —NHC═NR; —NRC═NH; —NRC(NR)═NH; —NHC(NR)═NR; —NHC(O)OR claim 2 , —NHC(O)NR; —C(O)NHR claim 2 , —C(S)NHR claim 2 , —OC(O)NHR claim 2 , —OC(S)NHR claim 2 , —SH ...

Hydrophobic polyester polycarbonate polyols for use in polyurethane applications

Disclosed are hydrophobic polyester-polycarbonate polyols which are the reaction product of (a) a polyester polyol and (b) one or more polycarbonate polyols. The polyester polyol (a) is the reaction product of: (i) one or more hydrophobic monomers, (ii) one or more organic acids, and (iii) one or more alcohols having an OH functionality of 2 or more. The polyester-polycarbonate polyols may be both amorphous and liquid at room temperature and have excellent hydrolytic stability. The hydrolytic and chemical performance of the polyester-polycarbonate polyols described herein is superior to that of commercially available hydrophobically modified polyester polyols and to that of commercially available polyester-polycarbonate polyols as described herein.

Surface protection film

The present invention addresses the problem of providing a surface protection film having superior oil resistance. Provided is a surface protection film having a coating layer obtained by curing an isocyanate compound, on one surface of a protection layer formed of a polyurethane.

SILICONE URETHANE UREA COPOLYMER AND PREPARATION AND USE THEREOF

A silicone urethane urea copolymer and methods for preparation and use of the copolymer are disclosed. The copolymer is crosslinkable. The copolymer is useful in various applications, including personal care compositions, such as hair care compositions and skin care compositions and in health care compositions such as skin contact adhesive compositions and transdermal drug delivery systems. 2. The copolymer of claim 1 , where subscript b is 0 to 1 claim 1 ,000 claim 1 ,000; subscript c is 0 to 200 claim 1 ,000; subscript i is 0 to 200 claim 1 ,000; subscript w1≥0; subscript w2 is 0 to 200 claim 1 ,000; subscript w3 is 0 to 200 claim 1 ,000; subscript w4 is 0 to 200 claim 1 ,000; subscript q has a value such that 2≤q≤3; subscript d is 0 to 1 claim 1 ,000 claim 1 ,000; subscript e is 0 to 1 claim 1 ,000 claim 1 ,000;subscript h is 0 to 1,000,000; subscript f is 1 to 1,500,000; subscript g is 0 to 500,000;subscript j is 0 to 500,000; subscript s is 0 to 200,000; subscript v is 0 to 200,000;subscript y1 is >0 to 1,000,000; and subscript y2 is >0 to 500,000.4. A method for preparing the copolymer of claim 1 , where the method comprises: a) an isocyanate compound, and', {'sup': U', 'S', 'P, 'sub': 'z3', 'b) an endblocker of formula (RR)ROH, where and subscript z3≥0; thereby preparing a precursor, and'}], 'i) combining starting materials comprising c) a catalyst selected from the group consisting of tertiary amines and metal salts,', 'd) a polyorganosiloxane, and', 'e) polymeric organic diol selected from the group consisting of polyalkylene oxide diols, polyester diols, polycarbonate oxide diols, or copolymer diols of these polymers; thereby preparing the copolymer., 'ii) combining the precursor prepared in step i) with a starting material comprising'}5. A method for preparing the copolymer of claim 1 , where the method comprises: a) an isocyanate compound,', {'sup': U', 'S', 'P, 'sub': 'z3', 'b) an endblocker of formula (RR)ROH, where subscript z3≥0, and'}, 'c) a ...

THERMOPLASTIC POLYURETHANE RESIN COMPOSITION AND MOLDED BODY USING SAID RESIN COMPOSITION

Provided is a thermoplastic resin composition which has improved ultraviolet absorbing capability, mechanical characteristics, hydrolysis resistance, transparency, and blooming resistance and is used for protecting an article used outdoors from ultraviolet light. A problem is solved by a thermoplastic polyurethane resin composition which is a reaction product of an isocyanate component (A1) containing an aliphatic polyisocyanate, a chain extender (A2), and a polyol component (A3) containing a polycarbonate diol having a side-chain alkyl group and contains an ultraviolet absorber (B1) having a benzotriazole skeleton, an ultraviolet absorber (B2) having a maximum absorption wavelength in a range from greater than or equal to 250 nm to less than or equal to 290 nm and having a triazine skeleton, a hindered amine light stabilizer (C), and an antioxidant (D). 1. A thermoplastic polyurethane resin composition comprising:a thermoplastic polyurethane resin (A);an ultraviolet absorber (B);a hindered amine light stabilizer (C); andan antioxidant (D), wherein 'an isocyanate component (A1) containing an aliphatic polyisocyanate, a chain extender (A2), and a polyol component (A3) containing a polycarbonate diol having a side-chain alkyl group,', 'the thermoplastic polyurethane resin (A) is a reaction product of'} 'an ultraviolet absorber (B1) having a benzotriazole skeleton, and an ultraviolet absorber (B2) having a triazine skeleton,', 'the ultraviolet absorber (B) contains'}the ultraviolet absorber (B2) having a triazine skeleton has a maximum absorption wavelength in a range from greater than or equal to 250 nm to less than or equal to 290 nm,a mass ratio (B1)/(B2) of the ultraviolet absorber (B1) having a benzotriazole skeleton to the ultraviolet absorber (B2) having a triazine skeleton is greater than or equal to 2.5/1 and less than or equal to 10/1,the sum of a content of the ultraviolet absorber (B1) having a benzotriazole skeleton and a content of the ultraviolet ...

INTUMESCENT COATING SYSTEM

An intumescent coating system contains: a polyol component; an isocyanate component; a latent crosslinker having two or more —NACHOR groups, where A is selected from a group consisting of H and —CHOR, and in each case R is independently selected from a group consisting of hydrocarbons having from one to four carbons, the latent crosslinker being present at a concentration of 30 weight-percent or more based on polyol weight; a boron component one weight-percent or more and 10 weight-percent or less based on total weight of the formulation; and expandable graphite at a concentration of 10 weight-percent or more and 50 weight-percent or less based on the total intumescent system weight; where the polyol and isocyanate are selected so that the reaction product at room temperature of the intumescent coating system components produces a coating having a tensile elongation of 40-percent or more as determined according to ISO 37. 2. The intumescent coating system of claim 1 , wherein the polyol component is present at a concentration of 60 weight-percent or more based on total weight of polyol and isocyanate-containing component.3. The intumescent coating system of claim 1 , wherein the isocyanate component is selected from a group consisting of methylene diphenyl diisocyanate claim 1 , polymeric methylene diphenyl diisocyanate claim 1 , toluene diisocyanate claim 1 , isophorone diisocyanate claim 1 , and xylene diisocyanate.5. The intumescent coating system of claim 4 , wherein each A is independently an R group.6. An intumescent coating comprising the reaction product of the intumescent coating system of .7. The intumescent coating of claim 6 , further characterized by the latent crosslinker being present at a concentration of 20 weight-percent or more based on polyurethane weight.8. An article comprising:a. a substrate; and{'claim-ref': {'@idref': 'CLM-00006', 'claim 6'}, 'b. the intumescent coating of covering at least a portion of the surface of the substrate.'}9. The ...

Active Polymer Modification of Bitumen for Use in Roofing Materials

A modified bitumen consisting of a polyurethane wherein the polyisocyanate or polyisocyanate-dominated polyurethane prepolymer (or prepolymers) is first reacted with the bitumen to take advantage of the bitumen's hydroxyl and amine functionality and form an isocyanate-bitumen adduct to form a weatherproofing product. 120-. (canceled)21. A method for forming an actively modified polymer-modified bitumen material , said method comprises:providing 25-75 wt. % of a first component comprising bitumen, coal tar, or combinations thereof;providing 1-49% wt. % of a second component comprising polyisocyanate compound and polyol; and,adding said second component to said first component to form a mixture and to allow said second component to react with hydroxyl functional groups of said first component to form said bitumen material, a content of said polyol in said mixture creating a NCO/OH equivalent ratio of at least 2:1 in said mixture.22. The method as defined in claim 21 , said method further includes the step of adding additional polyol to said after mixture to ensure that essentially no further isocyanates are being reacted in said mixture.23. The method as defined in claim 21 , wherein said NCO/OH equivalent ratio is 2:1 to 15:1.24. The method as defined in claim 21 , wherein said NCO/OH equivalent ratio is 2:1 to 7:1.25. The method as defined in claim 21 , wherein said NCO/OH equivalent ratio is 3:1 to 6:1.26. The method as defined in claim 21 , wherein said NCO/OH equivalent ratio is 4.5 to 5:1.27. The method as defined in claim 21 , wherein said polyol includes a molecular weight compound of 1000-5000 molecular weight.28. The method as defined in claim 21 , wherein said polyol includes a molecular weight compound of 1000-3000 molecular weight.29. The method as defined in claim 21 , wherein said method further includes the step of adding a filler to said first and second component claim 21 , said filler constituting 1-66 wt. % of said bitumen material.30. The method ...

COATING COMPOSITION

The present invention relates to a coating composition and a method for preparing the same, a coating method and use thereof as well as a product coated with the coating composition. The coating composition comprises: A) a hydroxyl-containing component consisting of: a) a polyester-modified polycarbonate polyol having a number-average molecular weight of 500-6000 g/mol, the amount of which is greater than 50 wt. % based on that the weight of the hydroxyl-containing component is 100 wt. %, b) an optional polyester polyol having a hydroxyl content of not less than 10 wt. % as measured in accordance with DIN EN ISO 4629-2, and c) an optional polyacrylate polyol; and B) a polyisocyanate; wherein the equivalent ratio of isocyanate groups to hydroxyl groups of the composition is 0.5-1.2. A coating formed from the coating composition provided by the present invention has good appearance and adhesion as well as good reflowing, and especially can rapidly reflow at normal temperature. 120.-. (canceled)21. A coating composition comprising: a) a polyester-modified polycarbonate polyol having a number-average molecular weight (determined by gel permeation chromatography (GPC) in accordance with DIN 55672-1:2016-03 using polystyrene as standard and tetrahydrofuran as eluent) of 500-6000 g/mol, the amount of which is greater than 50 wt. % based on that the weight of the hydroxyl-containing component is 100 wt. %,', 'b) optionally a polyester polyol having a hydroxyl content of not less than 10 wt. % as measured in accordance with DIN EN ISO 4629-2, and', 'c) optionally a polyacrylate polyol; and, 'A) a hydroxyl-containing component consisting ofB) a polyisocyanate;the equivalent ratio of isocyanate groups to hydroxyl groups of the composition being 0.5-1.2.22. The composition according to claim 21 , wherein the polyester-modified polycarbonate polyol is a polyester-modified aliphatic polycarbonate polyol.23. The composition according to claim 21 , wherein the polyester-modified ...

AQUEOUS PRIMER COATING

The present invention relates to novel coatings which are applied from an aqueous phase to substrates such as plastics, and which are overlaid with other coatings. These coatings are characterized by particularly good adhesive strength, in particular on plastics, and are thus particularly commercial. 1. A composition for coating substrates , comprising at least one optionally hydroxy-functional , anionic or nonionic polyurethane dispersion and at least one anionic styrene-butadiene copolymer dispersion.2. The composition as claimed in claim 1 , wherein a weight ratio of the at least one polyurethane dispersion to the anionic styrene-polybutadiene copolymer dispersion is in a range from 10:1 to 1:3 claim 1 , based on a nonvolatile proportion of the composition.3. The composition as claimed in claim 1 , wherein the composition comprises the at least one polyurethane dispersion in an amount of from 33 to 90% by weight claim 1 , based on a nonvolatile proportion of the composition.4. The composition as claimed in claim 1 , wherein the composition comprises the at least one anionic styrene-polybutadiene copolymer dispersion in an amount of from 9 to 67% by weight claim 1 , based on a nonvolatile proportion of the composition.5. The composition as claimed in claim 1 , wherein the composition comprises at least one reactive crosslinker component.6. The composition as claimed in claim 5 , wherein the at least one reactive crosslinker component comprises a polyisocyanate having a functionality in a range from 1.5 to 6.7. The composition as claimed in claim 1 , wherein the polyurethane dispersion comprises a polyurethane obtained from a reaction of reaction mixture comprising:(A) at least one diol and/or polyol component,(B) at least one polyisocyanate component,(C) at least one hydrophilizing component having at least one hydrophilizing group,(D) optionally mono-, di-, or tri-amino-functional compounds, or a combination thereof and/or hydroxyamino-functional compounds, and(E ...

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.

Method for Preparing Thermoplastic Polyurethane Film and Thermoplastic Polyurethane Film Prepared Thereby

A method for preparing a thermoplastic polyurethane film having a large thickness and excellent durability, and a thermoplastic polyurethane film prepared thereby are provided. 1. A method for preparing a thermoplastic polyurethane film , the method comprising:preparing a polyurethane resin composition comprising a polyurethane resin, a first isocyanate-based curing agent, and an organic solvent;preparing two laminates, each comprising a polyurethane resin layer by applying the polyurethane resin composition onto a substrate film and heat-treating the polyurethane resin composition;joining the two laminates so that respective polyurethane resin layers of the two laminates face each other to form joined laminates; andforming a thermoplastic polyurethane film comprising two polyurethane resin layers directly brought into contact with each other by aging the joined laminates,wherein an interfacial bonding strength between the two polyurethane resin layers is 14 Mpa to 18 Mpa.2. The method of claim 1 , wherein the heat treating is carried out at a temperature of 100° C. to 150° C.3. The method of claim 1 , wherein the two laminates are joined at a temperature of 80° C. to 140° C.4. The method of claim 1 , wherein the joined laminates are aged at a temperature of 20° C. to 60° C. for 12 to 24 hours.5. The method of claim 1 , wherein a content of the first isocyanate-based curing agent is more than 5 parts by weight and less than 7.5 parts by weight based on 100 parts by weight of the polyurethane resin.6. The method of claim 1 , wherein the first isocyanate-based curing agent comprises two to six isocyanate functional groups.7. The method of claim 1 , wherein the polyurethane resin is prepared by carrying out a copolymerization reaction of a mixture claim 1 , which comprises: a polyol having a number average molecular weight of 1 claim 1 ,800 g/mol to 2 claim 1 ,200 g/mol; a chain extender comprising a diol having 4 to 10 carbon atoms; and a second isocyanate-based ...

COATING COMPOSITION

The present invention relates to a coating composition and a method for preparing the same, a coating method and use thereof as well as a product coated with the coating composition. The coating composition comprises: A) a hydroxyl-containing component consisting of: a) a polycaprolactone polyol, b) a polyester polyol having a hydroxyl content of not less than 10 wt. % as measured in accordance with DIN EN ISO 4629-2, c) an optional polyacrylate polyol, and d) an optional polycarbonate polyol; and B) a polyisocyanate; wherein the equivalent ratio of isocyanate groups to hydroxyl groups of the composition is 0.5-1.2. A coating formed from the coating composition provided by the present invention has good reflowing, and especially can rapidly reflow at normal temperature. 120.-. (canceled)21. A coating composition comprising: a) a polycaprolactone polyol,', 'b) a polyester polyol having a hydroxyl content of not less than 10 wt. % as measured in accordance with DIN EN ISO 4629-2,', 'c) optionally a polyacrylate polyol, and', 'd) optionally a polycarbonate polyol; and, 'A) a hydroxyl-containing component consisting ofB) a polyisocyanate;the equivalent ratio of isocyanate groups to hydroxyl groups of the composition being 0.5-1.2.22. The composition according to claim 21 , wherein the polycaprolactone polyol has a hydroxyl functionality of 2-3 claim 21 , and a number-average molecular weight (determined by gel permeation chromatography (GPC) in accordance with DIN 55672-1:2016-03 using polystyrene as standard and tetrahydrofuran as eluent) of 500-5000 g/mol.23. The composition according to claim 21 , wherein the polycaprolactone polyol is in an amount of 10-90 wt. % claim 21 , based on that the weight of the hydroxyl-containing component is 100 wt. %.24. The composition according to claim 21 , wherein the polyester polyol has a hydroxyl content of 10-20 wt. % claim 21 , as measured in accordance with DIN EN ISO 4629-2.25. The composition according to claim 21 , wherein ...

AQUEOUS POLYURETHANE DISPERSIONS

Process for the preparation of aqueous polyurethane dispersions, containing from 20 to 50% by weight of an anionic polyurethane having a mean particle size from 1 to 15 micron and providing films with durable low gloss aspect. 112-. (canceled)13. A process for the preparation of aqueous polyurethane dispersions , containing from 20 to 50% by weight of an anionic polyurethane , the aqueous polyurethane dispersion having a mean particle size from 1 to 15 micron and gloss below 10 measured at 60° according to standard test method ISO 2813-2014 , comprising the following steps: I) an aliphatic or cycloaliphatic diisocyanate;', 'II) a polycarbonate diol and optionally a polyester diol with molecular weight between 500 and 3,000 g/mol, provided that the polycarbonate diol represents from 80 to 100% by weight of the diol II;', 'III) a diol having at least one carboxylic or carboxylate group;', 'IV) optionally a polyether diol with molecular weight between 500 and 3,000 g/mol;', 'V) optionally a compound different from the diols II, III and IV having one or more isocyanate (NCO) reactive groups;', 'VI) optionally an aliphatic or cycloaliphatic polyisocyanate having average functionality above 2,, 'i. obtaining a prepolymer by reactingin such proportions that: A) the molar ratio between the sum of the isocyanate groups (NCO) of I and VI and the sum of the NCO reactive groups of II, III, IV and V is between 1.2 and 3.0; B) the sum of polycarbonate diol and optional polyester diol represents from 80% to 100% by weight of the sum of the diols II and IV; C) the amount of diols II and IV represents from 90% to 100% by weight of the sum of II, IV and V; D) the amount of III is such that the prepolymer contains from 10 to 20 meq/100 g dry matter of carboxylic or carboxylate groups; E) the amount of VI, if present, does not exceed 3% by weight of the sum of I and VI,ii. chain extending the prepolymer in water in the presence of from 0.1 to 2% by weight of a surfactant having HLB ...

TWO-PART CURABLE ADHESIVE COMPOSITION

A two-part curable adhesive composition includes a main agent (A) containing a urethane prepolymer (a1) and a remaining polyisocyanate (a2), and a curing agent (B) containing a non-crystalline polyol compound (b1) and a polyamine compound (b2). An equivalent ratio of an isocyanate group in a raw polyisocyanate to a hydroxyl group in the polyol compound is from 2.05 to 12. The equivalent ratio of the isocyanate group in the main agent (A) to an amino group in the polyamine compound (b2) is from 1.2 to 6. The equivalent ratio of the isocyanate group in the main agent (A) to the hydroxyl group in the non-crystalline polyol compound (b1) is from 2 to 12. 1. A two-part curable adhesive composition , comprising:a main agent (A) containing a urethane prepolymer (a1); anda curing agent (B) containing a non-crystalline polyol compound (b1) and a polyamine compound (b2),the urethane prepolymer (a1) being obtained by reacting a raw polyisocyanate and a crystalline polyol compound having a number average molecular weight of 500 or greater and having at least one hydroxyl group per molecule in such a manner that an equivalent ratio of an isocyanate group in the raw polyisocyanate to the hydroxyl group in the crystalline polyol compound is from 2.05 to 12 and all of the crystalline polyol compounds are monomer units of the urethane prepolymer (a1),the main agent (A) further containing, in addition to the urethane prepolymer (a1), a remaining polyisocyanate (a2) that is a remainder of the raw polyisocyanate not having been reacted with the crystalline polyol compound,the non-crystalline polyol compound (b 1) being a compound having a number average molecular weight of 1000 or greater and having at least two hydroxyl groups per molecule,the equivalent ratio of the isocyanate group in the main agent (A) to an amino group in the polyamine compound (b2) being from 1.2 to 6, andthe equivalent ratio of the isocyanate group in the main agent (A) to the hydroxyl group in the non- ...

TWO-PACK CURABLE ADHESIVE COMPOSITION

The two-part curable adhesive composition contains a main agent (A) containing a urethane prepolymer (a1) and a residual polyisocyanate (a2), and a curing agent (B) containing a polyol compound (b1) and a polyamine compound (b2). The urethane prepolymer (a1) is made by reacting in an equivalent ratio of an isocyanate group in a raw material polyisocyanate to a hydroxy group in a polycarbonate polyol being 2.05 or greater. The equivalent ratio of an isocyanate group in the main agent (A) to an active hydrogen group in the curing agent (B) is from 0.5 to 4. 1. A two-part curable adhesive composition comprising a main agent (A) containing a urethane prepolymer (a1) , and a curing agent (B) containing a polyol compound (b1) and a polyamine compound (b2) ,the urethane prepolymer (a1) being made by reacting a raw material polyisocyanate and a polycarbonate polyol in an equivalent ratio of an isocyanate group in the raw material polyisocyanate to a hydroxy group in the polycarbonate polyol being 2.05 or greater with all of the polycarbonate polyol turning to a monomer unit for the urethane prepolymer (a1),the main agent (A) further containing, in addition to the urethane prepolymer (a1), a residual polyisocyanate (a2) which is a remainder of the raw material polyisocyanate that did not react with the polycarbonate polyol, andan equivalent ratio of an isocyanate group in the main agent (A) to an active hydrogen group in the curing agent (B) being from 0.5 to 4.2. The two-part curable adhesive composition according to claim 1 , wherein an equivalent ratio of an active hydrogen group in the polyamine compound (b2) to an active hydrogen group in the polyol compound (b1) is from 1.5 to 6.3. The two-part curable adhesive composition according to claim 1 , wherein a number average molecular weight of the polycarbonate polyol is 500 or greater.4. The two-part curable adhesive composition according to claim 1 , wherein a number average molecular weight of the polyol compound (b1) ...

Porous layer structure and method for producing same

Provided is a porous layer structure including a base material (A) and a urethane foam layer provided on the base material (A), wherein the urethane foam layer is a foam layer formed by foaming a urethane prepolymer having an isocyanate group, the urethane foam layer has a density of 0.10 to 0.60 g/cm 3 , and the urethane prepolymer substantially contains no volatile component and satisfies a predetermined composition.

Self-assembling monomers and oligomers as surface-modifying endgroups for polymers

Polymers having the formula R(LE)wherein R is a polymeric core having a number average molecular weight of from 5000 to 7,000,000 daltons and having x endgroups, E is an endgroup covalently linked to polymeric core R by linkage L, L is a divalent oligomeric chain, having at least 5 identical repeat units, capable of self-assembly with L chains on adjacent molecules of the polymer, and the moieties (LE)in the polymer may be the same as or different from one another. Design of monomers, oligomers, or other reactive structures otherwise analogous to known Self Assembled Monolayers but with at least one reactive chemical group capable of binding them to the terminus of a polymer, so that the thiol-free SAM analogue becomes the self-assembling surface modifying endgroup of that polymer. Use of the polymer to fabricate a configured article from the surface-modified polymer or a coating or topical treatment on an article made from another material. 130.-. (canceled)31) A medical device or prosthesis comprising a polymer body , wherein the polymer body comprises a plurality of polymer molecules having the formula R(LE) , whereinR is a linear polymeric core having a number average molecular weight of from 5000 to 7,000,000 daltons and having x endgroups, x being 1 or 2, or R is a branched polymeric core having a number average molecular weight of from 5000 to 7,000,000 daltons and having x endgroups, x being 4,E is an endgroup that is covalently linked to polymeric core R by linkage L and E comprises a quaternary ammonium salt,{'sub': 2', '2, 'L is a divalent oligomeric chain having at least 5 identical repeat units, and L comprises an alkylene radical or (—CHCHO—), and L is capable of self-assembly with L chains on adjacent polymer molecules, and'}the moieties LE in the polymer may be the same as or different from one another.32) The medical device or prosthesis according to claim 31 , wherein L is an alkylene radical.33) The medical device or prosthesis according to claim ...

ACTIVE ENERGY RAY-CURABLE RESIN COMPOSITION AND AUTOMOBILE HEADLAMP LENS

Provided is an active energy ray-curable resin composition with which it is possible to form a cured film, having outstanding scratch resistance, hardness, and weather resistance, on the surface of a molded resin article for an automobile headlamp lens. The active energy ray-curable resin composition is used to form a cured film on the surface of a molded resin article for an automobile headlamp lens and comprises (A) 10-70% by mass of a mono- or poly-pentaerythritol poly(meth)acrylate compound having a specific structure, (B) 10-50% by mass of a urethane(meth)acrylate compound having at least two (meth)acryloyloxy groups, at least one amido group, and at least two urethane bonds, and (C) 20-80% by mass of a poly[(meth)acryloyloxyalkyl]isocyanurate compound having a specific structure. 2. The active energy ray-curable resin composition according to claim 1 , wherein the urethane (meth)acrylate mixture (B) is obtained by reacting materials (b1)-(b4) below:(b1): diisocyanate;(b2): a compound containing at least one amide group, which does not include the —NH—CO— structure in the urethane bond, and at least two hydroxyl groups;(b3): at least one type of diol selected from the group consisting of polyether diols, polycarbonate diols, and polyester diols other than material (b2); and(b4): a (meth)acrylic acid ester having at least one (meth)acryloyloxy group, and one hydroxyl group.3. The active energy ray-curable resin composition according to claim 2 , wherein material (b3) is a polyether diol other than material (b2).4. The active energy ray-curable resin composition according to claim 2 , wherein the molar equivalent ratio of materials (b1)-(b4) is [material (b1)]/[material (b2)+material (b3)]/[material (b4)]=10/4-6/4-6.5. The active energy ray-curable resin composition according to claim 2 , wherein the molar equivalent ratio of materials (b2) and (b3) is material (b2)/material (b3)=1-5/5-1.6. The active energy ray-curable resin composition according to claim 2 , ...

CAST URETHANES MADE FROM LOW FREE MONOMER PREPOLYMER WITH POLYCARBONATE BACKBONE

Polycarbonate based polyurethane prepolymers having a low amount of free isocyanate monomer with excellent handling and processing properties are prepared and used in the preparation of cast polyurethane polymers with excellent performance and handling properties. 2. The prepolymer according to having a free polyisocyanate monomer content of less than 0.1 wt % claim 1 , based on the weight of the prepolymer.5. The prepolymer according to wherein 60 to 100% of all repeating units in at least one of the one or more co-polycarbonate polyols are of formula A and B.6. The prepolymer according to having a free polyisocyanate monomer content of less than 0.1 wt % claim 5 , based on the weight of the prepolymer.8. The prepolymer according to having a free polyisocyanate monomer content of less than 0.1 wt % claim 7 , based on the weight of the prepolymer.9. The prepolymer according to wherein the one or more polyisocyanate monomer comprises paraphenylene diisocyanate claim 1 , toluidine diisocyanate claim 1 , isophorone diisocyanate claim 1 , 2 claim 1 ,4- and/or 4 claim 1 ,4′-methylene bis (phenylisocyanate) claim 1 , toluene-2 claim 1 ,4-diisocyanate claim 1 , toluene-2 claim 1 ,6-diisocyanate claim 1 , naphthalene-1 claim 1 ,5-diisocyanate claim 1 , diphenyl-4 claim 1 ,4′-diisocyanate claim 1 , dibenzyl-4 claim 1 ,4′-diisocyanate claim 1 , stilbene-4 claim 1 ,4′-diisocyanate claim 1 , benzophenone-4 claim 1 ,4′diisocyanate claim 1 , 1 claim 1 ,3- and 1 claim 1 ,4-xylene diisocyanates claim 1 , 1 claim 1 ,6-hexamethylene diisocyanate claim 1 , 1 claim 1 ,3-cyclohexyl diisocyanate claim 1 , 1 claim 1 ,4-cyclohexyl diisocyanate claim 1 , and or geometric isomers of 1 claim 1 ,1′-methylene-bis(4-isocyanatocyclohexane).10. The prepolymer according to wherein the one or more polyisocyanate monomer comprises paraphenylene diisocyanate claim 8 , 4 claim 8 ,4′-methylene bis (phenylisocyanate) claim 8 , toluene-2 claim 8 ,4-diisocyanate claim 8 , toluene-2 claim 8 ,6-diisocyanate ...

PRODUCTION OF POROUS POLYURETHANE LAYERS

The use of particular silicon-containing compounds in the production of porous polyurethane layers for improving the flow properties of the reaction mixture which is reacting to form the polyurethane layer and/or for optimizing the cells of the resulting polyurethane layer, preferably for homogenizing the cell structure over the entire resulting polyurethane layer, especially in the context of artificial leather or foam film production, is described. The silicon-containing compounds have the following formula: 2. The porous polyurethane layer according to claim 1 , wherein the thickness of the polyurethane layer is in the range from 0.05 to 5 mm.3. The porous polyurethane layer according to claim 1 , wherein the total amount of the silicon-containing compound(s) of the formula (1) used is claim 1 , based on the finished polyurethane claim 1 , from 0.01 to 10% by weight.4. The porous polyurethane layer according to claim 1 , wherein a solvent-free or low-solvent process is used for producing the porous polyurethane layer.5. The porous polyurethane layer according to claim 1 , wherein chemically blocked claim 1 , NCO prepolymers and crosslinkers claim 1 , comprising aliphatic and/or cycloaliphatic and/or aromatic amines having at least two primary and/or secondary amino groups are used for producing the porous polyurethane layer.6. The porous polyurethane layer according to claim 1 , wherein a polyol component claim 1 , a catalyst and a polyisocyanate and/or a polyisocyanate prepolymer are used for producing the porous polyurethane layer.7. The porous polyurethane layer according to wherein the silicon-containing compound has the formula (1) whereina is from 2 to 150,b is from 1 to 30,c is from 0 to 5,d is from 0 to 5, andR is a methyl radical.9. The process for producing a composite structure according to claim 8 , wherein the reactive composition capable of forming a polyurethane comprises chemically blocked claim 8 , NCO prepolymers and crosslinkers claim 8 , ...

URETDIONE-CONTAINING POLYURETHANE-DISPERSIONS COMPRISING HYDROPHILIC GROUPS

The present invention relates to a specific uretdione prepolymer, and an aqueous curable composition based on the specific uretdione prepolymer. Furthermore, it pertains to a process for curing said aqueous curable composition, the cured article obtained by this process and additionally to the use of said aqueous composition for coatings, adhesives and/or sealants. 1. A uretdione prepolymer , which comprises at least one uretdione group , and which is obtained by reactingA1) at least one uretdione polyisocyanate having an isocyanate functionality of at least 2.0, wherein said uretdione polyisocyanate is obtained from at least one aliphatic polyisocyanate,withA2) at least one polyalkoxy ether derivative comprising at least two —OH groups, which are present on two different non neighboring atoms of the molecule and wherein at least one of the —OH groups is not a terminal —OH group, and{'sub': '2', 'A3) at least one reactant, which comprises at least one Zerewitinoff-active group and being different from A2 or which is HO,'}in the presence of at least one catalyst, to obtain the uretdione prepolymer, wherein the prepolymer has an acid number of at most 4 mg KOH/g.2. The uretdione prepolymer according to claim 1 , wherein in a first step claim 1 , the at least one uretdione polyisocyanate A1 is reacted claim 1 , with the at least one polyalkoxy ether derivative A2 and in a second step the polymer obtained in the first step is reacted with the at least one reactant A3.3. The uretdione prepolymer according to claim 1 , wherein components A1 to A3 are reacted in a one-step process.4. The uretdione prepolymer according to claim 1 , wherein in a first step claim 1 , the at least one uretdione polyisocyanate A1 is reacted with the at least one reactant A3 and in a second step the polymer obtained in the first step is reacted in a second step with the at least one polyalkoxy ether derivative A2.5. The uretdione prepolymer according to claim 1 , where-in said uretdione ...

AQUEOUS URETDIONE GROUP-CONTAINING COMPOSITIONS AND METHOD FOR PRODUCING SAME

The invention relates to aqueous uretdione group-containing compositions comprising or consisting of (A) at least one uretdione group-containing curing agent based on aliphatic, cycloaliphatic, aliphatic and/or aromatic polyisocyanates which do not contain chemically bonded hydrophilating groups; (B) at least one polyacrylate copolymer; (C) optionally solvents; and (D) optionally auxiliary agents and additives; wherein the quantity ratio of the components (A) and (B) is measured such that the molar ratio of the NCO groups of the curing agent (A), said groups being provided in the form of uretdione, to the NCO reactive groups of the polyacrylate copolymer (B) equals 3.0:0.5 to 0.5:3.0, and A and B are provided as a physical mixture. The invention additionally relates to a method for producing a polyurethane layer using the aqueous uretdione group-containing composition according to the invention, to the polyurethane layer obtained therefrom, and to a substrate which is coated with or adhered to the polyurethane layer. 1. An aqueous uretdione group-containing compositions comprising:(A) at least one uretdione group-containing curing agent based on one or more of aliphatic, cycloaliphatic, araliphatic, and aromatic polyisocyanates that contains no chemically-bonded hydrophilizing groups;(B) at least one polyacrylate copolymer;(C) optionally, solvents; and(D) optionally, auxiliaries and additives;wherein the quantitative ratio of the at least one uretdione group-containing curing agent (A) and the at least one polyacrylate copolymer (B) is such that the molar ratio of the NCO groups of the curing agent (A) present as uretdione to NCO-reactive groups of the polyacrylate copolymer (B) is 3.0:0.5 to 0.5:3.0, and wherein (A) and (B) are present as a mixture.2. The composition as claimed in claim 1 , wherein the at least one uretdione group-containing curing agent (A) was obtained by reacting a monomeric isocyanate comprising at least one monomeric isocyanate selected from ...

Polymeric Ion-conductive Electrolyte Sheet

Methods and materials to fabricate electrochromic including electrochemical devices are disclosed. In particular, emphasis is placed on the composition, fabrication and incorporation of electrolytic sheets in these devices. Composition, fabrication and incorporation of redox layers and sealants suitable for these devices are also disclosed. Incorporation of EC devices in insulated glass system (IGU) windows is also disclosed. 1. A polymeric ion-conductive electrolyte sheet comprising:i) thermoplastic polymer formed using at least three monomers;ii) a melting point or a flow point in excess of about 90° C. and less than about 170° C.; andiii) optical haze less than 5%.2. The polymeric ion conductive sheet of claim 1 , having an ion-conductivity in a range of about 10to 10S per square cm of the sheet area when measured at 25° C.3. The polymeric ion-conductive sheet of claim 1 , wherein the thermoplastic polymer is selected from a fluoropolymer claim 1 , polyurethane claim 1 , polyvinyl butyral claim 1 , acrylic claim 1 , polyester claim 1 , polyurea claim 1 , polycarbonate claim 1 , polyvinyl acetate claim 1 , or a combination thereof.4. The polymeric ion conductive sheet of claim 1 , wherein the electrolyte sheet further comprises a plasticizer and a salt claim 1 , wherein the salt can be solubilized by the said plasticizer.5. The polymeric ion conductive sheet of claim 4 , wherein the said plasticizer solubilizes at least one monomer used to form the said thermoplastic polymer.6. The polymeric ion conductive sheet of claim 1 , further comprising a UV stabilizer.7. The polymeric ion conductive sheet of claim 1 , wherein the polymeric ion conductive sheet further comprises at least one of non-electronically conductive nanoparticles and surface modified non-electronically conductive nanoparticles.8. The polymeric ion conductive sheet of claim 1 , wherein the polymeric ion conductive sheet contains at least one unreacted monomer which is not polymerized in said ...

ORTHOPEDIC IMPLANTS HAVING GRADIENT POLYMER ALLOYS

Orthopedic implants having a bone interface member and a water swellable IPN or semi-IPN with a stiffness, hydration, and/or compositional gradient from one side to the other and physically attached to the bone interface member. The invention also includes an orthopedic implant system including an implant that may conform to a bone surface and a joint capsule. The invention also includes orthopedic implants with water swellable IPN or semi-IPNs including a hydrophobic thermoset or thermoplastic polymer first network and an ionic polymer second network, joint capsules, labral components, and bone interface members. The invention also includes a method of inserting an orthopedic implant having a metal portion and a flexible polymer portion into a joint, including inserting the implant in a joint in a first shape and changing the implant from a first shape to a second shape to conform to a shape a bone. 117-. (canceled)18. An orthopedic implant comprising: a water swellable IPN or semi-IPN member having a bearing surface and an attachment zone , the water swellable IPN or semi-IPN member comprising a hydrophobic thermoset or thermoplastic polymer first network and an ionic polymer second network configured to exhibit a compositional gradient between the bearing surface and the attachment zone , wherein the attachment zone is configured to attach to bone and comprises the hydrophobic first network and not the ionic polymer second network. This application is a continuation of U.S. patent application Ser. No. 13/347,647, filed Jan. 10, 2012, which is a continuation-in-part of U.S. patent application Ser. No. 13/219,348, filed Aug. 26, 2011, now U.S. Pat. No. 8,883,915, which claims the benefit of U.S. Provisional Patent Application No. 61/377,844, filed Aug. 27, 2010 and of U.S. Provisional Patent Application No. 61/383,705, filed Sep. 16, 2010. U.S. patent application Ser. No. 13/219,348 is a continuation-in-part of U.S. patent application Ser. No. 12/499,041. filed Jul ...

Layered Material And Method For Producing A Layered Material

A method for producing a layered material, which has a substrate layer and a layer of polyurethane bonded to the substrate layer. A leather, preferably a sanded grain leather, a textile material, preferably a woven fabric or a knitted fabric, a bonded leather material, or a microfiber nonwoven is used as the substrate layer and is bonded to the layer. According to the present teaching, at least one, preferably a single, layer of frothed polyurethane foam is applied to the substrate as the layer. 1. A method for producing a layered material , which has a substrate layer and a layer of polyurethane bonded to the substrate layer , wherein the substrate layer is bonded to the layer , so that at least one layer of foamed polyurethane foam is applied to the substrate as the layer ,wherein the liquid polyurethane foam is produced with a polyurethane dispersion compound, so that the individual polyurethane dispersions used to produce the polyurethane dispersion compound display different softening points in the dried state,{'b': '40', 'to produce a polyurethane dispersion compound, a polyurethane dispersion with heat-activatable contact adhesion properties or with a softening point in dry condition of at least ° C. with a mass of 18 to 52 wt. % of the finished polyurethane compound and a polyurethane dispersion without contact adhesion properties or with a softening point higher than 95° C. with a mass of 38 to 73. wt. % of the finished polyurethane dispersion compound, are mixed together,'}the layer is applied on the substrate layer at a thickness of 0.030 to 0.60 mm,before or simultaneously with a structuring of the polyurethane foam by a matrix of silicone rubber, an additional layer made of a non-foamed polyurethane foam is applied to the layer, andsmall-format parts or stamped parts are separated from a large-surface layered material coated with polyurethane foam and are imprinted, orafter the polyurethane foam has dried, before further processing the layered material ...

Class of Anti-Adhesion Hydrogels With Healing Aspects

Disclosed are hydrogels polymerized with a biofunctional moiety, biodegradable and permanent, designed to be implantable in a mammalian body and intended to block or mitigate the formation of tissue adhesions. The hydrogels of the present invention are characterized by comprising four structural elements: a) a polymeric backbone which defines the overall polymeric morphology, b) linkage groups, c) side chains, and d) biofunctional end groups. The hydrophobicity of the various structural elements are chosen to reduce tissue adhesion and enhance the biofunctional aspect of the end groups. The morphology of these polymers are typically of high molecular weight and have shape to encourage entanglement. Useful structures include branching chains, comb or brush, and dendritic morphologies.

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 ...

HYDROPHILIC POLYESTER POLYCARBONATE POLYOLS FOR HIGH TEMPERATURE DIESEL APPLICATIONS

Embodiments of the invention generally relate to polyols having resistance to hydrocarbons and articles made therefrom. More specifically, embodiments of the invention generally relate to hydrophilic polyester-polycarbonate polyols having resistance to hydrocarbons at high temperatures and articles made therefrom. The novel hydrophilic polyester-polycarbonate polyols described herein may be used in adhesive or elastomer applications requiring enhanced oil and/or diesel resistance. The disclosed polyols are liquid at room temperature, which facilitates processing into polyurethane products As described herein, an elastomer made from such hydrophilic polyester-polycarbonate polyols and methylene diphenyl diisocyanate (MDI) retained >90% of tensile strength after 500 hours ageing at 121 degrees Celsius. A comparative example made from a polyester polyol retained 50% of tensile strength under similar conditions. 1. A hydrophilic polyester-polycarbonate polyol which is the reaction product of: (i) one or more organic acids; and', '(ii) one or more glycols having a functionality of two or more; and, '(a) a polyester polyol which is the reaction product of(b) one or more polycarbonate polyols.2. The hydrophilic polyester-polycarbonate polyol of claim 1 , wherein the one or more organic acids are selected from phthalic acid claim 1 , isophthalic acid claim 1 , terephthalic acid claim 1 , trimellitic acid claim 1 , tetrahydrophthalic acid claim 1 , hexahydrophthalic acid claim 1 , tetrachlorophthalic acid claim 1 , oxalic acid claim 1 , adipic acid claim 1 , azelaic acid claim 1 , sebacic acid claim 1 , succinic acid claim 1 , malic acid claim 1 , glutaric acid claim 1 , malonic acid claim 1 , pimelic acid claim 1 , suberic acid claim 1 , 2 claim 1 ,2-dimethylsuccinic acid claim 1 , 3 claim 1 ,3-dimethylglutaric acid claim 1 , 2 claim 1 ,2-dimethylglutaric acid claim 1 , maleic acid claim 1 , fumaric acid claim 1 , itaconic acid claim 1 , fatty acids claim 1 , and ...

POLYCARBONATE POLYOL COMPOSITIONS AND METHODS

In one aspect, the present disclosure encompasses polymerization systems for the copolymerization of COand epoxides comprising 1) a catalyst including a metal coordination compound having a permanent ligand set and at least one ligand that is a polymerization initiator, and 2) a chain transfer agent having two or more sites that can initiate polymerization. In a second aspect, the present disclosure encompasses methods for the synthesis of polycarbonate polyols using the inventive polymerization systems. In a third aspect, the present disclosure encompasses polycarbonate polyol compositions characterized in that the polymer chains have a high percentage of —OH end groups and a high percentage of carbonate linkages. The compositions are further characterized in that they contain polymer chains having an embedded polyfunctional moiety linked to a plurality of individual polycarbonate chains. 1. A polymerization system for the copolymerization of COand epoxides , the system comprising:a metal complex including a permanent ligand set and at least one ligand that is a polymerization initiator, and{'sub': '2', 'a chain transfer agent having a plurality of sites capable of initiating copolymerization of epoxides and CO.'}2. The polymerization system of claim 1 , wherein the chain transfer agent has a structure Y-A-(Y) claim 1 , where:{'sub': '2', 'each —Y group is independently a functional group capable of initiating chain growth of epoxide COcopolymers and each Y group may be the same or different;'}-A- is a covalent bond or a multivalent moiety; andn is an integer between 1 and 10, inclusive.3. The polymerization system of claim 2 , wherein each Y group is independently selected from the group consisting of: —OH claim 2 , —C(O)OH claim 2 , —C(OR)OH claim 2 , —OC(R)OH claim 2 , —NHR claim 2 , —NHC(O)R claim 2 , —NHC═NR; —NRC═NH; —NRC(NR)═NH; —NHC(NR)═NR; —NHC(O)OR claim 2 , —NHC(O)NR; —C(O)NHR claim 2 , —C(S)NHR claim 2 , —OC(O)NHR claim 2 , —OC(S)NHR claim 2 , —SH claim ...

LOW-DIELECTRIC RESIN COMPOSITION

The present invention provides a low-dielectric resin composition comprising (A) a urethane resin obtained by reacting a polycarbonate diol and an isocyanate, (B) an epoxy resin, and (C) a filler, wherein the (A) urethane resin has a carboxyl group equivalent weight of 1,100 to 5,700 g/eq; the epoxy equivalent weight of the (B) epoxy resin is 0.3 to 4.5 equivalents per 1.0 equivalent of the carboxyl group of the (A) urethane resin, the (A) urethane resin has a weight-average molecular weight of 5,000 to 80,000; the (A) urethane resin has a polycarbonate content of 35% by mass or lower; the resin composition comprises 50 parts by mass or less of the (C) filler per 100 parts by mass of the (A) urethane resin; and the resin composition comprises substantially no imido group. 1. A low-dielectric resin composition , comprising (A) a urethane resin obtained by reacting a polycarbonate diol and an isocyanate , (B) an epoxy resin , and (C) a filler ,wherein the (A) urethane resin has a carboxyl group equivalent weight of 1,100 to 5,700 g/eq;an epoxy equivalent weight of the (B) epoxy resin is 0.3 to 4.5 equivalents per 1.0 equivalent of the carboxyl group of the (A) urethane resin;the (A) urethane resin has a weight-average molecular weight of 5,000 to 80,000;the (A) urethane resin has a polycarbonate content of 35% by mass or lower;the resin composition comprises 50 parts by mass or less of the (C) filler per 100 parts by mass of the (A) urethane resin; andthe resin composition comprises substantially no imido group.2. The low-dielectric resin composition according to claim 1 , wherein the (A) urethane resin has a polycarbonate content of 20 to 35% by mass.3. The low-dielectric resin composition according to claim 1 , wherein the (C) filler is an organic filler.4. The low-dielectric resin composition according to claim 3 , wherein the organic filler is one selected from the group consisting of an organophosphorus compound claim 3 , a phosphazene compound and melamine.5. ...

Polymer Blend Composition Based on Carbon Dioxide and Environment-Friendly Decorating Materials Produced Therefrom

The present invention is directed to a polyalkylene carbonate resin composition for producing a decorating material and an environment-friendly polyalkylene carbonate resin decorating material produced therefrom. More particularly, the invention is directed to polyalkylene carbonate resin composition for producing a decorating material in which including a polymer additive to impart heat resistance and shape stability to the decorating material, a crosslinker and a chain extender to improve the processability at the processing temperature, and a flame retardant agent to impart a flame retardant effect, and an environment-friendly polyalkylene carbonate resin decorating material produced therefrom. The environment-friendly polyalkylene carbonate resin decorating material produced using the inventive composition has excellent thermal stability, processability, and dimensional stability.

THERMALLY STABLE BIURET AND ISOCYANURATE BASED SURFACE MODIFYING MACROMOLECULES AND USES THEREOF

The invention relates to surface modifying macromolecules (SMMs) having high degradation temperatures and their use in the manufacture of articles made from base polymers which require high temperature processing. The surface modifier is admixed with the base polymer to impart alcohol and water repellency properties. 29.-. (canceled)10. The surface modifier of claim 1 , wherein said surface active group is selected from the group consisting of radicals of the general formula CHF(CF)CHCH— and CHF(CF)(CHCHO)— claim 1 , whereinm is 0, 1, 2, or 3;χ is an integer between 1-10;r is an integer between 2-20; ands is an integer between 1-20.11. The surface modifier of claim 10 , wherein m is 0 or 1.12. (canceled)13. The surface modifier of claim 10 , wherein each surface active group is selected claim 10 , independently claim 10 , from (CF)(CF)CHCHO— claim 10 , (CF)(CF)CHCHO— claim 10 , (CF)(CF)CHCHO— claim 10 , CHF(CF)CHO— claim 10 , and (CF)(CF)CHO—.1460.-. (canceled)61. The surface modifier of claim 1 , wherein n is 0 claim 1 , A is diethylene glycol-orthophthalic anhydride polyester claim 1 , and B is formed from isophorone diisocyanate (IPDI) trimer.62. The surface modifier of claim 1 , wherein n is 0 claim 1 , A is polytetramethylene oxide claim 1 , and B is formed from hexamethylene diisocyanate (HDI) trimer.63. The surface modifier of claim 1 , wherein n is 0 claim 1 , A is polytetramethylene oxide claim 1 , and B is formed from isophorone diisocyanate (IPDI) trimer.64. The surface modifier of claim 1 , wherein n is 0 claim 1 , A is poly(diethylene glycol)adipate claim 1 , and B is formed from isophorone diisocyanate (IPDI) trimer.65. The surface modifier of claim 1 , wherein n is 0 claim 1 , A is poly(hexamethylene carbonate) claim 1 , and B is formed from isophorone diisocyanate (IPDI) trimer.66. The surface modifier of claim 1 , wherein n is 0 claim 1 , A is poly(ethyleneglycol)-block-poly(propyleneglycol))-block-poly(ethylene glycol) claim 1 , and B is formed ...

THERMOPLASTIC POLYURETHANE RESIN ELASTOMERS

A thermoplastic polyurethane resin elastomer is obtained by reacting an isocyanate compound (I), an aliphatic alcohol (II) having a number average molecular weight determined from the hydroxyl value of less than 300 and having only a hydroxyl group as a functional group, and a polyol (III) having a number average molecular weight determined from the hydroxyl value of not less than 300 and not more than 10,000. The isocyanate compound (I) includes not less than 90 mol % in total of an aliphatic isocyanate compound containing two isocyanate groups and/or an alicyclic isocyanate compound containing two isocyanate groups. The aliphatic alcohol (II) includes not less than 90 mol % of a C12 or lower aliphatic diol. The polyol (III) includes not less than 80 mol % of a copolymerized polycarbonate diol (IIIA) including a linear repeating structural unit represented by formula (A) and a repeating structural unit represented by formula (B). 2: The thermoplastic polyurethane resin elastomer according to claim 1 , wherein the equivalent ratio is 0.97≤(EI)/((EII)+(EIII))≤1.03 wherein (EIII) is the hydroxyl equivalent of the polyol (III) claim 1 , (EI) is the isocyanate equivalent of the isocyanate compound (I) claim 1 , and (EII) is the hydroxyl equivalent of the aliphatic alcohol (II).3: The thermoplastic polyurethane resin elastomer according to claim 1 , wherein the isocyanate compound (I) comprises not less than 80 mol % of an alicyclic isocyanate compound containing two isocyanate groups.4: The thermoplastic polyurethane resin elastomer according to claim 1 , wherein the repeating structural unit represented by the formula (B) is a structural unit derived from a transesterification reaction product of a C8-C20 hydrocarbon diol and a carbonate ester.5: The thermoplastic polyurethane resin elastomer according to claim 1 , wherein the linear repeating structural unit represented by the formula (A) is a structural unit derived from a transesterification reaction product of one ...

Hydroxyl-Functional Inherent Matting Waterborne Polyurethanes and High Performance Inherent Matting Coating Composed by the Same

The disclosure relates to a method for preparing a hydroxyl-functional inherent matting waterborne polyurethane and a high-performance inherent matting coating made of the same. The inherent matting waterborne polyurethane includes the following components in parts by weight: a polymer polyol 15-25 parts; an isocyanate monomer 5-15 parts; 2,2-dimethylol propionic acid or 2,2-dimethylol butyric acid 0.2-0.8 parts; a pH regulator 0.1-0.7 parts; a hydroxyalkyl ethylenediamine chain extender 0.5-3.0 parts; a dialkyl alcohol amine blocking agent 0.1-4.0 parts; a diaminosulphonate chain extender 0.2-1.5 parts; a catalyst 0.01-0.05 parts; an organic solvent 2-10 parts; deionized water 50-80 parts; a thickener 0.1-3 parts. In the post-chain extension stage of the waterborne polyurethane, through hydroxyalkyl ethylene diamine chain extension and dialkyl alcohol amine blocking, hydroxyl groups are introduced into the polymer molecular chain. 1. A hydroxyl-functional inherent matting waterborne polyurethane , comprising the following components:15-25 parts by weight of a polymer polyol;5-15 parts by weight of an isocyanate monomer;0.2-0.8 parts by weight of 2,2-dimethylol propionic acid or 2,2-dimethylol butyric acid;0.1-0.7 parts by weight of a pH regulator;0.5-3.0 parts by weight of a hydroxyalkyl ethylenediamine chain extender;0.1-4.0 parts by weight of a dialkyl alcohol amine blocking agent;0.2-1.5 parts by weight of a diaminosulphonate chain extender;0.01-0.05 parts by weight of a catalyst;2-10 parts by weight of an organic solvent;50-80 parts by weight of deionized water;0.1-3 parts by weight of a thickener;wherein, the polyurethane has a hydroxyl content of 0.5-2.5%, based on dry solids;the method for preparing the waterborne polyurethane includes the following steps:(a) adding the polymer polyol, isocyanate monomer, 2,2-dimethylol propionic acid or 2,2-dimethylol butyric acid, catalyst, and organic solvent to a reactor according to the above formula amount and reacting ...

THERMOPLASTIC POLYURETHANE RESIN ELASTOMERS

A thermoplastic polyurethane resin elastomer is obtained by reacting an isocyanate compound (I) containing ≥90 mol % in total of an aliphatic and/or alicyclic isocyanate compound having two isocyanate groups, an aliphatic alcohol (II) having only a hydroxyl group as a functional group, and a polyol (III). The equivalent ratio of EIII:EI:EII is 1:2-6:1-5 with the proviso that 0.95≤(EI)/((EII)+(EIII))≤1.05, where EIII, EI, EII represent the hydroxyl equivalent, isocyanate equivalent, and hydroxyl equivalent of the polyol (III), isocyanate compound (I), and aliphatic alcohol (II), respectively. The aliphatic alcohol (II) has a Mn, which is a number average molecular weight determined from the hydroxyl value, of <300 and contains ≥90 mol % of a C12 or lower aliphatic diol. The polyol (III) has a Mn of 300-10,000 and contains ≥80 mol % of a copolymerized polycarbonate diol (IIIA) having a Mn of 500-5,000 and including repeating units (A) and (B) shown below: 2. The thermoplastic polyurethane resin elastomer according to claim 1 , wherein the isocyanate compound (I) comprises not less than 80 mol % of an alicyclic isocyanate compound containing two isocyanate groups.3. The thermoplastic polyurethane resin elastomer according to claim 1 , wherein the repeating unit (B) contained in the copolymerized polycarbonate diol (IIIA) is such that Ris a methyl group and Ris a methyl group or a hydrogen atom.4. The thermoplastic polyurethane resin elastomer according to claim 1 , wherein the repeating unit (A) contained in the copolymerized polycarbonate diol (IIIA) is derived from a transesterification reaction product of one or more of 1 claim 1 ,3-propanediol claim 1 , 1 claim 1 ,4-butanediol claim 1 , 1 claim 1 ,5-pentanediol and 1 claim 1 ,6-hexanediol with a carbonate ester.5. The thermoplastic polyurethane resin elastomer according to claim 1 , wherein the aliphatic isocyanate compound and/or the alicyclic isocyanate compound each containing two isocyanate groups in the ...

HARD-PHASE-MODIFIED THERMOPLASTIC POLYURETHANE

A thermoplastic poly urethane can be obtained by a process involving a reaction of a thermoplastic polyester (PE-1) with a diamine (D1), to obtain a composition (Z1) containing an amide (PA-1), and a reaction of the obtained composition (Z1) with an isocyanate composition (I1), containing at least one polyisocyanate, and a polyol composition (P1). The diamine (D1) has a molecular weight in the range from 50 g/mol to 700 g/mol. A process can produce such a thermoplastic polyurethane, and shaped articles can be made containing the thermoplastic polyurethane. 1: A thermoplastic polyurethane , obtainable or obtained by a process comprising:reacting at least one diamine (D1), having a molecular weight in the range from 50 g/mol to 700 g/mol, with a thermoplastic polyester (PE-1), to obtain an amide (PA-1), andreacting an isocyanate composition (I1) comprising at least one polyisocyanate, the amide (PA-1), and a polyol composition (P1).2: The thermoplastic polyurethane according to claim 1 , wherein the process comprises (i) and (ii):(i) reacting the thermoplastic polyester (PE-1) with the at least one diamine (D1), to obtain a composition (Z1) comprising the amide (PA-1),(ii) reacting the composition (Z1) obtained in (i) with the isocyanate composition (I1) comprising at least one polyisocyanate, and the polyol composition (P1).5: The thermoplastic polyurethane according to claim 1 , wherein the polyol composition (P1) comprises at least one polycarbonate polyol (PC1).6: The thermoplastic polyurethane according to claim 1 , wherein the thermoplastic polyester (PE-1) has a molecular weight in the range from 1500 g/mol to 60000 g/mol.7: The thermoplastic polyurethane according to claim 1 , wherein the thermoplastic polyester (PE-1) is selected from the group consisting of a polyalkylene terephthalate and poly-L-lactic acid.8: The thermoplastic polyurethane according to claim 1 , wherein the thermoplastic polyester (PE-1) has a molecular weight in the range from 1000 g/mol ...

Polyurethane urea water dispersion, matte coating material, and surface treatment agent

The present invention relates to a polyurethane urea water dispersion that is a reaction product of a polyol component containing a polymer polyol (A), a polysiloxane compound (S) having at least one active hydrogen-containing group, a compound (B) having at least one active hydrogen and a hydrophilic group in a molecule thereof, and a dihydric alcohol (C); a polyisocyanate (D); and a polyamine (E) having two primary amino groups and at least one secondary amino group, wherein the polyurethane urea water dispersion has an acid value of 1 to 16 mgKOH/g as expressed in terms of a solid component.

CATALYST SYSTEM FOR URETDIONE DISPERSIONS

The present invention relates to a catalyst system comprising: A) at least one compound selected from azoles, oxazoles, thiazoles, benzotriazole, benzimidazole, benzoxazole and salts thereof; B) at least one acid catcher, which contains at least one epoxy group; and C) at least one catalyst containing an N,N,N′-trisubstituted amidine structure with an amidine group content of from 12.0 to 47.0 wt %, calculated as CN2 with molecular weight=40. The invention also relates to a kit which comprises the catalyst system of the present invention and an aqueous uretdione dispersion having an acid number of from 1 to 100 KOH/g and additionally at least one carboxyl group. The invention further relates to a method for producing a polyurethane layer using the catalyst system of the present invention and said uretdione dispersion, and to the obtained polyurethane layer, and to the use of the catalyst system for curing aqueous acidic uretdione dispersions and/or for the production of paints or coatings. 1: A catalyst system comprisingA) at least one compound selected from the group consisting of azoles, oxazoles, thiazoles, benzotriazole, benzimidazole, benzoxazole, and salts thereof;B) at least one acid scavenger containing at least one epoxy group; andC) at least one catalyst containing an N,N,N′-trisubstituted amidine structure and having an amidine group content of 12.0 to 47.0% by weight calculated as CN2 with molecular weight=40.2: The catalyst system as claimed in claim 1 , wherein the at least one compound A) is selected from pyrazole claim 1 , imidazole claim 1 , 1 claim 1 ,2 claim 1 ,3-triazole claim 1 , 1 claim 1 ,2 claim 1 ,4-triazole claim 1 , benzotriazole claim 1 , and salts thereof.3: The catalyst system as claimed in claim 1 , wherein the at least one acid scavenger B) is selected from aliphatic or aromatic alcohols claim 1 , diols claim 1 , polyols claim 1 , ethers and acids containing at least one epoxy group.4: The catalyst system as claimed in claim 1 , ...

AQUEOUS URETDIONE GROUP-CONTAINING COMPOSITIONS AND METHOD FOR PRODUCING SAME

The invention relates to aqueous uretdione group-containing compositions comprising or consisting of (A) at least one uretdione group-containing curing agent based on aliphatic, cycloaliphatic, araliphatic, and/or aromatic polyisocyanates which do not contain chemically bonded hydrophilating groups; (B) at least one hydroxy group-containing polyol which contains at least one chemically bonded carboxylic acid group; (C) optionally solvents; and (D) optionally auxiliary agents and additives; wherein the quantity ratio of the components (A) and (B) is measured such that the molar ratio of the NCO groups of the curing agent (A), said groups being provided in the form of uretdione, to the NCO reactive groups of the polyol (B) equals 3.0:0.5 to 0.5:3.0, and A and B are provided as a physical mixture. The invention additionally relates to a method for producing a polyurethane layer using the aqueous uretdione group-containing composition according to the invention, to the polyurethane layer obtained therefrom, and to a substrate which is coated with or adhered to the polyurethane layer. 1. An aqueous uretdione group-containing compositions comprising;(A) at least one uretdione group-containing curing agent based on aliphatic, cycloaliphatic, araliphatic or aromatic polyisocyanates that contains no chemically-bonded hydrophilizing groups;(B) at least one hydroxyl-containing polyol that contains at least one chemically-bonded carboxylic acid group;(C) optionally, solvents; and(D) optionally, auxiliaries and additives;wherein the quantitative ratio of components (A) and (B) is such that the molar ratio of the NCO groups of the curing agent (A) present as uretdione to NCO-reactive groups of the polyol (B) is 3.0:0.5 to 0.5:3.0 and wherein A and B are present as a mixture.2. The composition as claimed in claim 1 , wherein the at least one uretdione group-containing curing agent (A) is obtained by reacting monomeric isocyanates comprising at least one monomeric isocyanate ...

METHOD FOR PRODUCING POLYURETHANE SOFT FOAMS

The invention relates to a method for producing polyurethane soft foams, in particular open-cell polyurethane soft foams based on polyether carbonate polyol and toluylene diisocyanate, wherein the resulting polyurethane soft foams have similar properties to the already known polyurethane soft foams and they are simpler and more sustainable in terms of their production. 2. The process as claimed in claim 1 , wherein in the formula (I){'sup': '1', 'Ris an aromatic hydrocarbon radical having at least 6 carbon atoms or is a linear, branched, substituted or unsubstituted aliphatic hydrocarbon radical having at least 3 carbon atoms;'}{'sup': '2', 'Ris a linear, branched, substituted or unsubstituted aliphatic hydrocarbon radical having at least 3 carbon atoms; and'}n is 1 to 3.3. The process as claimed in claim 1 , wherein component A comprises:A1 40 to 100 parts by weight of one or more polyether carbonate polyols having a hydroxyl number in accordance with DIN 53240-1:2013-06 of from 20 mg KOH/g to 120 mg KOH/g,A2 0 to 60 parts by weight of one or more polyether polyols having a hydroxyl number in accordance with DIN 53240-1:2013-06 of from 20 mg KOH/g to 250 mg KOH/g and a content of ethylene oxide of from 0.1% to 59% by weight, with the polyether polyols A2 being free of carbonate units,A3 0 to 20 parts by weight, based on a sum of the parts by weight of components A1 and A2, of one or more polyether polyols having a hydroxyl number in accordance with DIN 53240-1:2013-06 of from 20 mg KOH/g to 250 mg KOH/g and a content of ethylene oxide of at least 60% by weight, with the polyether polyols A3 being free of carbonate units,A4 0 to 40 parts by weight, based on the sum of the parts by weight of components A1 and A2, of one or more polymer polyols, PUD polyols, PIPA polyols, or a combination thereof, andA5 0 to 40 parts by weight, based on the sum of the parts by weight of components A1 and A2, of polyols different from components A1 to A4, wherein all stated parts by ...

Photocurable resin composition

The present invention provides a photocurable resin composition that has good fabricability, and that exhibits superior flexibility, fracture resistance, and water resistance in the form of a cured product. The present invention relates to a photocurable resin composition comprising: a urethanized (meth)acrylic compound (A); a mono(meth)acrylic acid ester compound (B) containing no urethane bond; and a photopolymerization initiator (C), the urethanized (meth)acrylic compound (A) being a (meth)acrylate comprising, per molecule, at least one kind of structure selected from the group consisting of a polyester, a polycarbonate, a polyurethane, a polyether, a poly-conjugated diene, and a hydrogenated poly-conjugated diene; and a urethane bond, the mono(meth)acrylic acid ester compound (B) containing no urethane bond comprising at least one selected from the group consisting of a mono(meth)acrylic acid ester compound (b-I) represented by general formula (I), and a mono(meth)acrylic acid ester compound (b-II) represented by general formula (II).

METHOD FOR PRODUCING LEATHER-LIKE SHEET

A problem to be solved by the invention is to provide a method for producing leather-like sheets with excellent chemical resistance and discoloration resistance utilizing an aqueous urethane resin composition. The invention provides a method for producing a leather-like sheet in the form of a laminate including a film, the method including forming the film by applying an aqueous urethane resin composition onto a substrate and drying the composition, the aqueous urethane resin composition including a urethane resin, a nonionic emulsifier and an aqueous medium, the urethane resin being one obtained by reacting a polyol including a carboxyl group-containing polyol, an aromatic polyisocyanate and a chain extender, the urethane resin having a urea bond content of not more than 0.3 mol/kg. The film is preferably used as a skin layer and/or a topcoat layer of the leather-like sheet. 1. A method for producing a leather-like sheet in the form of a laminate including a film , the method comprising forming the film by applying an aqueous urethane resin composition onto a substrate and drying the composition , the aqueous urethane resin composition including a urethane resin (A) , a nonionic emulsifier (B) and an aqueous medium (C) , the urethane resin (A) being a urethane resin obtained by reacting a polyol (a1) including a carboxyl group-containing polyol (a1-1) , an aromatic polyisocyanate (a2) and a chain extender (a3) , the urethane resin (A) having a urea bond content of not more than 0.3 mol/kg.2. The method for producing a leather-like sheet according to claim 1 , wherein the content of aromatic rings in the urethane resin (A) is in the range of 0.1 to 5 mol/kg.3. The method for producing a leather-like sheet according to claim 1 , wherein the nonionic emulsifier (B) has an oxyethylene group claim 1 , and the average number of moles thereof added in the emulsifier is in the range of 1 to 50. The present invention relates to a method for producing a leather-like sheet ...

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.

POLYURETHANE EXCIPIENT

In an embodiment, a polyurethane comprises the residues of i. an aliphatic diisocyanate, ii. an aliphatic diol comprising a poly(ethylene oxide) moiety, iii. an aliphatic diol comprising a polycarbonate moiety, and iv. a chain extender, wherein the polyurethane has a melting temperature of 140° C. or less and has a weight average molecular weight of from 100,000 to 500,000 g/mol. In an embodiment, the polyurethane is substantially devoid of catalyst. In an embodiment, the polyurethane is formed by reactive extrusion. In an embodiment, a medical device comprises the polyurethane and a bioactive agent. The medical devices, methods, and polyurethanes may exhibit benefits in end-product biostability, drug release profile, health and safety, and processing speed or reproducibility. 124-. (canceled)25. A medical device comprising: i. an aliphatic diisocyanate,', 'ii. an aliphatic diol comprising a poly(ethylene oxide) moiety,', 'iii. an aliphatic diol comprising a polycarbonate moiety, and', 'iv. a chain extender; and, 'a. a polyurethane comprising the residues ofb. a bioactive agent,{'sub': 'm', 'wherein the polyurethane has a melting temperature offset (TOffset) of from 95° C. to 140° C. and has a weight average molecular weight of from 100,000 to 500,000 g/mol.'}26. The medical device according to claim 25 , wherein the polyurethane is formed by reactive extrusion polymerization of a composition comprising: 1. an aliphatic diisocyanate,', '2. an aliphatic diol comprising a poly(ethylene oxide) moiety, and', '3. an aliphatic diol comprising a polycarbonate moiety, and, 'i. a pre-polymer formed by polymerizing a pre-polymer composition comprisingii. a chain extender,wherein the composition is substantially devoid of catalyst.27. The medical device according to claim 26 , wherein the polyurethane has been post-cured after the reactive extrusion polymerization at a temperature of from 55° C. to 90° C.28. The medical device according to claim 27 , wherein the duration of ...

Method for preparing high-temperature self-crosslinking aqueous polyurethane dispersion

A method for preparing a high-temperature self-crosslinking aqueous polyurethane dispersion. By using isocyanate (NCO) blocking agent to block part of the NCO, and using the hydroxyalkyl ethylenediamine chain extender in the post-chain extension stage to introduce hydroxyl groups, the polymer macromolecular structure containing both blocked NCO groups and hydroxyl groups can be prepared. The aqueous polyurethane dispersion does not need to mix with other waterborne resins and crosslinkers when applied. A sufficient cross-linking reaction is performed between the NCO released and hydroxyl groups on the polymer macromolecular chain to form a high-density cross-linked structure when curing at 100-150° C. for 20-30 min, thus obtaining a high-performance waterborne coating that can be used in the form of one-pack.

TWO-PART CURABLE ADHESIVE COMPOSITION

A two-part curable adhesive composition includes a main agent (A) containing a urethane prepolymer (a1) and a remaining polyisocyanate (a2), and a curing agent (B) containing a non-crystalline polyol compound (b1) and a polyamine compound (b2). An equivalent ratio of an isocyanate group in a raw polyisocyanate to a hydroxyl group in a crystalline polyol compound constituting the urethane prepolymer (a1) is from 2.05 to 12. An NCO group/total active hydrogen group ratio is from 0.5 to 4. An isocyanate group/hydroxyl group ratio is from 2 to 12. 1. A two-part curable adhesive composition comprising:a main agent (A) containing a urethane prepolymer (a1); anda curing agent (B) containing a non-crystalline polyol compound (b1) and a polyamine compound (b2),the urethane prepolymer (a1) being obtained by reacting a raw polyisocyanate and a crystalline polyol compound having a number average molecular weight of 500 or greater and having at least one hydroxyl group per molecule in such a manner that an equivalent ratio of an isocyanate group in the raw polyisocyanate to the hydroxyl group in the crystalline polyol compound is from 2.05 to 12 and all of the crystalline polyol compounds are monomer units of the urethane prepolymer (a1),the crystalline polyol compound being at least one selected from polyester polyol, polytetramethylene ether glycol, polycarbonate polyol, polycaprolactone polyol, and a partially modified product obtained by partially modifying these crystalline polyol compounds,the main agent (A) further containing, in addition to the urethane prepolymer (a1), a remaining polyisocyanate (a2) that is a remainder of the raw polyisocyanate that has not been reacted with the crystalline polyol compound,the non-crystalline polyol compound (b1) being a compound having a number average molecular weight of 1000 or more and having at least two hydroxyl groups per molecule, and being at least one selected from polyoxypropylene glycol, polybutadiene polyol, polyisoprene ...

OLIGOMERIC POLYOL COMPOSITIONS

There is provided an oligomeric polyol composition having (a) an oligomeric network containing residues of at least one polyhydroxylated aromatic compound and residues of at least one polyol having at least three hydroxyl groups; and (b) a plurality of peripheral groups having one or more pendant hydroxyl groups bound to the oligomeric network by a plurality of linking units. The residues of the polyol may optionally contain one or more oxygen ether groups, one or more amino ether groups, or both of one or more oxygen ether groups and one or more amino ether groups. Reaction of the oligomeric polyols with isocyanate monomers affords a new class of polyurethanes having superior heat and water resistance. The new polyurethanes exhibit lower peak exotherms, typically less than 250° F. during in-mold polymerization. Articles prepared from polyurethanes incorporating such oligomeric polyol compositions exhibit flexural strengths and moduli in excess of 10,000 psi and 400,000 psi respectively, and outstanding green strength. 121-. (canceled)22. An oligomeric polyol composition comprising at least one oligomeric polyol component , at least one monomeric polyol , and at least one polyhydroxylated aromatic compound;wherein the oligomeric polyol component comprises residues of either or both of the monomeric polyol and the polyhydroxylated aromatic compound linked by one or more carbonate groups, oxygen ether groups, or a combination thereof; andwherein the monomeric polyol comprises three or more hydroxyl groups.23. The composition of claim 22 , wherein the at least one monomeric polyol has three or more secondary hydroxyl groups.24. The composition of claim 22 , wherein at least a portion of the residues of the polyhydroxylated aromatic compound comprises residues of at least one bisphenol.25. The composition of claim 22 , wherein at least a portion of the oligomeric polyol component residues are linked by carbonate groups.26. The composition of claim 22 , wherein the at ...

ONE COMPONENT POLYURETHANE DISPERSION FOR VINYL WINDOWS, WOOD, AND CONCRETE 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) are particularly suited for use on wood surfaces including floors, doors, window frames, door frames, picture frames, window shutters, window surrounds, railing, gates, pillars, arbors, ladders, shelves, furniture, stairs, cabinetry, decks, docks, boats, pergolas, trellises, gazebos, posts, fencing, cladding, and siding and for concrete, cement, stone, or brick substrates such as floors, pipes, walls, pavers, vaults, blocks, tiles, and roof tiles. 1. A wood substrate having applied thereto one of a coating , an adhesive , a sealant , a paint , a primer , and a topcoat , comprising 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;{'sub': 'g', '(iv) an amorphous polyester having a glass transition temperature (T) 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 ...

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 ...

CURABLE COMPOSITION FOR USE IN A HIGH TEMPERATURE LITHOGRAPHY-BASED PHOTOPOLYMERIZATION PROCESS AND METHOD OF PRODUCING CROSSLINKED POLYMERS THEREFROM

Provided herein are curable compositions for use in a high temperature lithography-based photopolymerization process, a method of producing crosslinked polymers using said curable compositions, crosslinked polymers thus produced, and orthodontic appliances comprising the crosslinked polymers. 2. The composition of claim 1 , wherein the amount of Component A ranges from 20 to 50 wt % claim 1 , the amount of Component B ranges from 25 to 50 wt % claim 1 , and the amount of Component C ranges from 10 to 40 wt % claim 1 , based on the total weight of the composition.3. The composition of claim 1 , wherein Component A has a number average molecular weight of 1 to 2 kDa.4. The composition of claim 1 , wherein Component B has a number average molecular weight of 5 to 20 kDa.5. The composition of claim 1 , additionally comprising claim 1 , in admixture with said Components A claim 1 , B and C claim 1 , one or more further components selected from the group consisting of polymerization initiators claim 1 , polymerization inhibitors claim 1 , solvents claim 1 , fillers claim 1 , antioxidants claim 1 , pigments claim 1 , colorants claim 1 , surface modifiers claim 1 , core-shell particles claim 1 , and mixtures thereof.6. The composition of claim 1 , additionally comprising one or more photoinitiators.7. The composition of claim 6 , wherein the composition comprises from 0.05 to 1 wt % of the one or more photoinitiators claim 6 , based on the total weight of the composition.8. The composition of claim 1 , further comprising an additive selected from the group consisting of a resin claim 1 , a defoamer claim 1 , and a surfactant.9. The composition of claim 8 , wherein the composition comprises from 0.01 to 10 wt % of the additive claim 8 , based on the total weight of the composition.10. The composition of claim 1 , additionally comprising a photoblocker.11. The composition of claim 10 , wherein the composition comprises from 0.05 to 1 wt % of the photoblocker claim 10 , based ...

Multilayer decorative coating composition with low discolouration

A coating composition including at least one water-based anionic polyurethane dispersion and 0.1 to 4 weight-% of nanoparticulate TiO2 having an average particle size of not more than 100 nm, based on the solids content of the coating composition. The cured coating composition is suitable as a top coat in a decorative multilayer coating system including at least one polyurethane base coat. The multilayer coating system exhibits improved non-yellowing property and cleanability. The liquid multilayer coating system is particularly suitable for balcony applications.

POLYURETHANE FOAMS BASED ON POLYETHER CARBONATE POLYOLS

The present invention concerns a method for producing polyurethane foams by reacting an isocyanate component with a component that is reactive to isocyanates and that comprises at least one polyether carbonate polyol, the reaction taking place in the presence of a non-amine antioxidant and an amine antioxidant. The invention also concerns polyurethane foams produced using the claimed method and the use of said foams. 115.-. (canceled)16. A process for producing polyurethane foams , comprising reacting component A comprisingA1 ≧50 to ≦100 parts by wt of a polyether carbonate polyol having a hydroxyl number according to DIN 53240 of? 20 mg KOH/g to <250 mg KOH/gA2 ≦50 to ≧0 parts by wt of a polyether polyol having a hydroxyl number according to DIN 53240 of ≧20 mg KOH/g to ≦250 mg KOH/g, wherein the polyether polyol is free from carbonate units,A3 0.5 to 25 parts by wt based on the sum of the parts by wt of components A1 and A2 of water and/or physical blowing agents,A4.1 0.02-3.0 parts by wt based on the sum of the parts by wt of components A1 und A2 of an antioxidant free of amino groups,andA4.2 0.02-3.0 parts by wt based on the sum of the parts by wt of components A1 and A2 of an antioxidant which comprises at least one compound having one or more amino groups,A5 0.1 to 8.1 parts by wt based on the sum of the parts by wt of components A1 and A2 of auxiliary and added substances,with component B comprising di- and/or polyisocyanate,wherein production at an index of 70 to 130 andwherein all reported parts by weight for components A1 to A5 are normalized such that the sum of the parts by weight A1+A2 in the composition amounts to 100.17. The process as claimed in claim 16 , wherein 100 parts by wt of A1 are employed.18. The process as claimed in claim 16 , wherein the antioxidant A4.1 comprises compounds comprisingi) phenol derivativesii) lactonesiii) phosphorus derivativesand/or mixtures thereof andantioxidant A4.2 comprises at least one compound having one or more ...

Viscoelastic flexible polyurethane foams based on polyether carbonate polyols

The present invention relates to a method for the production of viscoelastic polyurethane foams by reacting an isocyanate component with a component which is reactive towards isocyanates, comprising ≧50 to ≦100 weight parts of at least one polyether carbonate polyol with a hydroxyl number according to DIN 53240 of ≧150 mg KOH/g to ≦300 mg KOH/g. The invention also relates to polyurethane foams produced by the method of the invention and their use.

GOLF BALLS HAVING A FOAM CENTER WITH REGIONS OF DIFFERENT HARDNESS

Golf balls having a multi-layered core made of a foamed composition are provided. The core preferably has a foam inner core (center) and surrounding thermoset or thermoplastic outer core layer. Preferably, a polyurethane foam composition is used to form the foam center. The foam inner core preferably includes a fully-foamed center region and a partially or completely-collapsed foam outer region. The hardness of the fully-foamed region is different than the hardness of the collapsed foam region. Non-foamed thermoset or thermoplastic materials such as polybutadiene rubbers or ethylene acid copolymer ionomer may be used to form the outer core layer. The ball further includes a cover that may be multi-layered. The foam cores have good resiliency. 1. A golf ball , comprising:{'sub': inner core surface', 'inner core center', 'inner core surface', 'inner core center, 'i) an inner core comprising a foam composition having a geometric center, an outer region, and outer surface, wherein the foam composition is foamed in the center and at least partially-collapsed in the outer region, the inner core having a diameter in the range of about 0.100 to about 1.100 inches and an outer surface hardness (H) and a center hardness (H), the Hbeing greater than the Hto provide a positive hardness gradient in the inner core;'}{'sub': outer surface of OC', 'midpoint of OC', 'outer surface of OC', 'midpoint of OC, 'ii) an outer core layer comprising a non-foamed thermoset or thermoplastic composition, the outer core layer being disposed about the inner core layer and having a thickness in the range of about 0.100 to about 0.750 inches, and an outer surface hardness (H) and a midpoint hardness (H), wherein the His less than the Hto provide a negative hardness gradient in the outer core.'}2. The golf ball of claim 1 , wherein the golf ball further comprises a cover layer comprising a thermoset or thermoplastic material claim 1 , the cover layer having a thickness in the range of about 0.010 to ...

URETHANE RESIN COMPOSITION, AND URETHANE RESIN-MOLDED ARTICLE USING SAME

The present invention provides a urethane resin composition including a urethane resin that is a product of reaction of at least one polyol (A) including a polycarbonate polyol (a1) with a polyisocyanate (B), in which the polycarbonate polyol (a1) is a compound produced using, as a raw material, at least one hydroxy compound (C) including a hydroxy compound (c1) represented by general formula (1) below. The urethane resin composition is capable of forming a urethane resin-molded article having high solvent resistance and high hydrolysis resistance. 2. The urethane resin composition according to claim 1 ,wherein the at least one polyol (A) further comprises at least one polyol (a2) selected from the group consisting of a polyester polyol, a polyether polyol, and a polycarbonate polyol other than, the polycarbonate polyol (a1).3. The urethane resin composition according to claim 1 ,wherein the at least one polyol (A) comprises 40% by mass or more of the polycarbonate polyol (a1).4. The urethane resin composition according to claim 1 ,wherein the polycarbonate polyol (a1) has a number average molecular weight of 500 to 5000.5. The urethane resin composition according to claim 1 ,wherein the at least one hydroxy compound (C) comprises 40% by mass or more of the hydroxy compound (c1).6. The urethane resin composition according to claim 1 , which is for use in a printing roll or a coater roll.7. A urethane resin-molded article comprising a product obtained by curing and molding the urethane resin composition according to .8. The urethane resin-molded article according to claim 7 , which is a printing roll or a coater roll. The present invention relates to a urethane resin composition and a urethane resin-molded article produced using the same.Molded articles produced using a urethane resin composition are currently used in various applications such as automobile parts, home appliance parts, packaging materials, leather-like sheets, and printing rolls.The molded article is ...

Optical Adhesive And Optical Laminates And Lenses Formed With Same

The present invention pertains to polyurethane-urea based optical adhesives for formation of optical film laminates, optically functional film laminates, and ophthalmic or eyeglass lenses employing the same and methods for producing the same. 1. An optical adhesive comprising: a reactive prepolymer composition formed of a mixture comprising at least two different polyols and an aliphatic isocyanate;', 'a chain extender; and', 'a crosslinking agent; the polyurethane-urea formed in-situ from reaction between isocyanate groups and water., 'a crosslinked polyurethane-urea formed from a composition comprising3. The optical adhesive of wherein the crosslinked polyurethane-urea is formed from a composition comprising a range of an equivalent ratio of isocyanate to water from 1.0 to 15.0.4. The optical adhesive of wherein the crosslinked polyurethane-urea is formed from a composition comprising by weight: 20-45 percent of one or more aliphatic isocyanate; 20-40 percent of one or more polycarbonate polyol; 20-40 percent of one or more polyether polyol; 0.2-5 percent of one or more chain extender; 0.05-8 percent of one or more crosslinking agent; and 0.1-1.2 percent of water.5. The optical adhesive of wherein the crosslinked polyurethane-urea is formed from a composition comprising an organic aprotic solvent.6. The optical adhesive of wherein the aliphatic isocyanate comprises 4 claim 1 ,4′-dicyclohexylmethanediisocyanate.7. The optical adhesive of wherein the crosslinking agent comprises multifunctional alcohols having not less than 3 alcohol functional groups.8. The optical adhesive of wherein the crosslinking agent comprises multifunctional isocyanate having not less than three isocyanate functional groups.9. The optical adhesive of wherein the crosslinked polyurethane-urea is formed from a composition further comprising a photochromic dye.10. A method for forming an optical adhesive comprising:forming an isocyanate-terminated prepolymer from a polycarbonate polyol and a ...

NAIL POLISH COMPOSITION BASED ON SOLVENT-FREE AQUEOUS POLYURETHANE DISPERSIONS

A nail polish composition, in particular nail polish formulation, is disclosed which is based on a specific solvent-free aqueous polyurethane polymer dispersion, which is derived from at least one isocyanate-terminated ethylenically unsaturated polyurethane pre-polymer in a reactive diluent, after a chain extension reaction with a chain extender bearing isocyanate-reactive groups. The polyurethane pre-polymer comprises at least one (meth)acrylate functional group and at least one isocyanate functional group. 2. The nail polish composition of claim 1 , wherein the nail polish composition is an actinic radiation-curable dispersion.3. The nail polish composition of claim 1 , wherein said component (A) is a polyol component comprising (A1) a monoalcohol bearing from 1 to 5 (meth)acrylate groups and optionally (A2) a diol bearing from 1 to 4 (meth)acrylate groups.4. The nail polish composition of claim 1 , wherein the component (A) is selected from the group consisting of polyester (meth)acrylates claim 1 , epoxy (meth)acrylates claim 1 , polyether (meth)acrylates claim 1 , urethane (meth)acrylates claim 1 , hydroxy-bearing (meth)acrylates and combinations thereof.5. The nail polish composition of claim 1 , wherein the component (C) is a diol bearing an ionic group resulting from an acidic group selected from the group consisting of carboxylic claim 1 , sulfonic claim 1 , phosphoric claim 1 , phosphonic claim 1 , phosphinic groups claim 1 , and combinations thereof claim 1 , with said acidic group being at least partly neutralized with a basic agent.6. The nail polish composition of claim 1 , wherein the polyurethane pre-polymer is further reacted with a component (E) claim 1 , comprising at least two isocyanate reactive groups selected from diamines.7. The nail polish composition of claim 1 , wherein the reactive diluent (F) represents from about 10 to about 90% by weight relative to the solids content of the dispersion.8. The nail polish composition of claim 1 , ...

Non-hazardous water-based polyurethane dispersion

Water-based polyurethane dispersion methodology relating to a chain-extended polyurethane, characterized in that the polyurethane dispersion includes 2, 5, 7, 10-tetraoxaundecane. The water-based polyurethane dispersion is suitable as a non-hazardous water-based coating composition for coatings with a particularly good adhesion on plastic or rubber substrates. The solvent 2, 5, 7, 10-tetraoxaundecane contained therein imparts good film coalescing, good adhesive properties and high strength of the polyurethane dispersion.

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.

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 ...

POLYCARBONATE DIOL AND THERMOPLASTIC POLYURETHANE MADE FROM THE SAME

A polycarbonate diol is provided, including three kinds of repeating diol units, wherein one of the repeating diol units is chosen from an alkoxylated diol monomer. 2. The polycarbonate diol according to claim 1 , wherein Rrepresents a butylene claim 1 , a pentylene or a hexylene group.3. The polycarbonate diol according to claim 1 , wherein Rrepresents a butylene group.4. The polycarbonate diol according to claim 1 , wherein Rrepresents a butylene group and m is 0.5. The polycarbonate diol according to claim 1 , wherein Rrepresents a linear or branched C-Calkylene group claim 1 , and Rrepresents a C-Calkylene group.6. The polycarbonate diol according to having a number average molecular weight from 200 to 10000.7. The polycarbonate diol according to claim 1 , wherein the molar ratio of formula (A) to formula (B) is in a range from 10:90 to 90:10.8. The polycarbonate diol according to claim 1 , wherein the molar ratio of formula (A) to formula (B) is in a range from 20:80 to 80:20.9. The polycarbonate diol according to claim 1 , wherein the molar ratio of the sum of formula (A) and formula (B) to formula (C) is in a range from 25:75 to 99:1.10. The polycarbonate diol according to claim 1 , wherein the molar ratio of the sum of formula (A) and formula (B) to formula (C) is in a range from 50:50 to 99:1.11. A thermoplastic polyurethane obtained by copolymerizing the polycarbonate diol according to and a polyisocyanate. This application claims foreign priority under 35 U.S.C. §119(a) to patent application Ser. No. 10/412,7124, filed on Aug. 20, 2015, in the Intellectual Property Office of Ministry of Economic Affairs, Republic of China (Taiwan, R.O.C.), the entire content of which patent application is incorporated herein by reference.1. Technical FieldThe present disclosure relates to a raw material for thermoplastic elastomers or polyurethanes, and more particularly, to a polycarbonate diol suitable for thermoplastic elastomers or polyurethanes.2. Description of ...

POLYCARBONATE POLYOL COMPOSITIONS AND METHODS

In one aspect, the present disclosure encompasses polymerization systems for the copolymerization of COand epoxides comprising 1) a catalyst including a metal coordination compound having a permanent ligand set and at least one ligand that is a polymerization initiator, and 2) a chain transfer agent having one or more sites capable of initiating copolymerization of epoxides and CO, wherein the chain transfer agent contains one or more masked hydroxyl groups. In a second aspect, the present disclosure encompasses methods for the synthesis of polycarbonate polyols using the inventive polymerization systems. In a third aspect, the present disclosure encompasses polycarbonate polyol compositions characterized in that the polymer chains have a high percentage of —OH end groups, a high percentage of carbonate linkages, and substantially all polycarbonate chains having hydroxyl end groups have no embedded chain transfer agent. 1. A polymerization system for the copolymerization of COand epoxides , the system comprising:a metal complex including a permanent ligand set and at least one ligand that is a polymerization initiator, and{'sub': '2', 'a chain transfer agent having one or more sites capable of initiating copolymerization of epoxides and CO, wherein the chain transfer agent contains one or more masked hydroxyl groups.'}2. The polymerization system of claim 1 , wherein the chain transfer agent has a structure Y-A-(Y) claim 1 , wherein:{'sub': '2', 'each —Y group is independently a functional group capable of initiating chain growth of epoxide COcopolymers or a protected hydroxyl group, wherein at least one Y group is a protected hydroxyl group and the number of Y protected hydroxyl groups is less than the total number of Y groups;'}-A- is a multivalent moiety; andn′ is an integer between 1 and 10, inclusive.4. The polymerization system of claim 3 , wherein each Y group is independently selected from the group consisting of —OR claim 3 , —OH claim 3 , and —C(O)OH.5. ...

POLYCARBONATE DIOL AND POLYURETHANE USING SAME

The present invention relates to a polycarbonate diol comprising a structural unit derived from a compound represented by the following formula (A) and a structural unit derived from a compound represented by the following formula (B), wherein the hydroxyl value is from 20 to 450 mg-KOH/g: 2: The polycarbonate diol as claimed in claim 1 , wherein a molar ratio of total of structural units derived from the compound of formula (A) and the compound of formula (B) to all structural units in the polycarbonate diol is at least 50 mol %.3. (canceled)4: The polycarbonate diol as claimed in claim 1 , wherein an average carbon number of a dihydroxy compound obtained by hydrolyzing the polycarbonate diol is 4 to 5.5.5: The polycarbonate diol as claimed in claim 1 , wherein the polycarbonate diol has a hydroxyl value of 20 to 60 mg-KOH/g.6: The polycarbonate diol as claimed in claim 1 , wherein the compound of formula (A) is at least one compound selected from the group consisting of 1 claim 1 ,3-propanediol and 1 claim 1 ,4-butanediol.7: The polycarbonate diol as claimed in wherein the compound of formula (B) is at least one compound selected from the group consisting of 2-methyl-1 claim 1 ,8-octanediol claim 1 , 1 claim 1 ,9-nonanediol claim 1 , 1 claim 1 ,10-decanediol claim 1 , 1 claim 1 ,11-undecanediol claim 1 , and 1 claim 1 ,12-dodecanediol.8: The polycarbonate diol as claimed in claim 1 , wherein at least one of the compound of formula (A) and a compound of formula (B) is plant-derived.9: A polyurethane formed using the polycarbonate diol acclaimed in .10: A material produced using the polyurethane as claimed in claim 9 , wherein the material is selected from the group consisting of an artificial leather claim 9 , a synthetic leather claim 9 , a coating material claim 9 , a coating agent claim 9 , an elastic fiber claim 9 , an aqueous polyurethane coating material claim 9 , a pressure sensitive adhesive claim 9 , and an adhesive.11: An active energy ray-curable polymer ...

Particle foams consisting of an aromatic polyester-polyurethane multi-block copolymer

Foamed pellets contain a block copolymer. The block copolymer is obtained or obtainable by a process involving the reaction of an aromatic polyester (PE-1) with an isocyanate composition (IC), containing at least one diisocyanate, and with a polyol composition (PC). The polyol composition (PC) contains at least one aliphatic polyol (P1) having a number-average molecular weight ≥500 g/mol. A process can be used for the production of such foamed pellets. The foamed pellets can be used for the production of a molded body. 117-. (canceled)18. Foamed pellets comprising a block copolymer , wherein the block copolymer is obtained or obtainable by a process comprising:(a) providing an aromatic polyester (PE-1); and(b) reacting the aromatic polyester (PE-1) with an isocyanate composition (IC) comprising at least one diisocyanate, and with a polyol composition (PC),wherein the polyol composition (PC) comprises at least one aliphatic polyol (P1) having a number-average molecular weight ≥500 g/mol and a diol (D1) having a number-average molecular weight <500 g/mol,wherein the aromatic polyester (PE-1) is obtainable or obtained by reacting at least one aromatic polyester haying a melting point in the range from 160 to 350° C. and at least one diol (D2), at a temperature of greater than 200° C., andwherein an average diameter of beads of the foamed pellets is between 0.2 to 20 mm.19. The foamed pellets according to claim 18 , wherein the reaction to obtain the aromatic polyester (PE-1) is continuous.20. The foamed pellets according to claim 18 , wherein the reaction to obtain the aromatic polyester (PE-1) is effected in an extruder.21. The foamed pellets according to claim 18 , wherein the at least one aromatic polyester is selected from the group consisting of polybutylene terephthalate (PBT) claim 18 , polyethylene terephthalate (PET) claim 18 , and polyethylene naphthalate (PEN).22. The foamed pellets according to claim 18 , wherein the diol (D1) is selected from the group ...

MOISTURE CURABLE HOT MELT URETHANE COMPOSITION, METHOD FOR PRODUCING CURED FOAM OF SAME, SYNTHETIC LEATHER AND METHOD FOR PRODUCING SYNTHETIC LEATHER

The present invention provides a moisture-curable hot melt urethane composition, including a hot melt urethane prepolymer (A) having an isocyanate group and a foaming agent composition (B) containing N,N′-dinitrosopentamethylenetetramine (b1), urea (b2) and a polyol (b3). The present invention also provides a method for producing a foamed and cured product of a moisture-curable hot melt composition, which includes heat-melting a hot melt urethane prepolymer (A), then mixing the foaming agent composition (B) therewith, applying the resultant mixture to a substrate, and performing a heating treatment at a temperature equal to or higher than heat-melting temperature of the (A) to thereby cause foaming and curing. An object of the present invention is to provide a solvent-free foaming system, according to which a foamed and cured product with excellent texture can be obtained, and an excellent foamed state can be maintained even in a thin film. 1. A moisture-curable hot melt urethane composition comprising:a hot melt urethane prepolymer (A) having an isocyanate group; anda foaming agent composition (B) containing N,N′-dinitrosopentamethylenetetramine (b1), urea (b2) and a polyol (b3).2. The moisture-curable hot melt urethane composition according to claim 1 , wherein the amount of the foaming agent composition (B) used is in the range of 1 to 30 parts by mass per 100 parts by mass of the hot melt urethane prepolymer (A).3. The moisture-curable hot melt urethane composition according to claim 1 , wherein the mass ratio [(b1)/(b2)] between the N claim 1 ,N′-dinitrosopentamethylenetetramine (b1) and urea (b2) is in the range of 10/90 to 90/10.4. The moisture-curable hot melt urethane composition according to claim 1 , wherein the foaming agent composition (B) further contains boric acid (b4).5. The moisture-curable hot melt urethane composition according to claim 4 , wherein the amount of the boric acid (b4) used is in the range of 5 to 150 parts by mass per 100 parts by ...

Polyurethanes Prepared from Oligomeric Polyol Compositions and Polyisocyanates

There is provided an oligomeric polyol composition having (a) an oligomeric network containing residues of at least one polyhydroxylated aromatic compound and residues of at least one polyol having at least three hydroxyl groups; and (b) a plurality of peripheral groups having one or more pendant hydroxyl groups bound to the oligomeric network by a plurality of linking units. The residues of the polyol may optionally contain one or more oxygen ether groups, one or more amino ether groups, or both of one or more oxygen ether groups and one or more amino ether groups. Reaction of the oligomeric polyols with isocyanate monomers affords a new class of polyurethanes having superior heat and water resistance. The new polyurethanes exhibit lower peak exotherms, typically less than 250° F. during in-mold polymerization. Articles prepared from polyurethanes incorporating such oligomeric polyol compositions exhibit flexural strengths and moduli in excess of 10,000 psi and 400,000 psi respectively, and outstanding green strength. 2. The composition according to claim 1 , wherein at least a portion of the at least one polyhydroxylated aromatic compounds comprise at least one aromatic bisphenol.3. The composition according to claim 1 , wherein at least a portion of the linking units are oxygen atoms of hydrocarbyl ether linkages claim 1 , carbonate claim 1 , carbonyl claim 1 , ester claim 1 , ether or amino ether moieties.4. The composition according to claim 1 , wherein at least a portion of the plurality of peripheral groups are aliphatic peripheral groups comprising a residue of at least one monomeric aliphatic polyol claim 1 , the aliphatic peripheral groups comprising at least two pendant hydroxyl groups.5. The composition according to claim 1 , wherein the at least one polyol contains an internal functional group containing a heteroatom.6. The composition according to claim 5 , wherein the internal functional group containing a heteroatom comprises nitrogen or oxygen.7. ...

Method of Preparing Oligomeric Polyol Compositions

There is provided an oligomeric polyol composition having (a) an oligomeric network containing residues of at least one polyhydroxylated aromatic compound and residues of at least one polyol having at least three hydroxyl groups; and (b) a plurality of peripheral groups having one or more pendant hydroxyl groups bound to the oligomeric network by a plurality of linking units. The residues of the polyol may optionally contain one or more oxygen ether groups, one or more amino ether groups, or both of one or more oxygen ether groups and one or more amino ether groups. Reaction of the oligomeric polyols with isocyanate monomers affords a new class of polyurethanes having superior heat and water resistance. The new polyurethanes exhibit lower peak exotherms, typically less than 250° F. during in-mold polymerization. Articles prepared from polyurethanes incorporating such oligomeric polyol compositions exhibit flexural strengths and moduli in excess of 10,000 psi and 400,000 psi respectively, and outstanding green strength. 121-. (canceled)23. The method of claim 22 , wherein the temperature sufficient to cause formation of the product oligomeric polyol composition is 120° C. or greater and 160° C. or less during a reaction time of 45 minutes or greater and 90 minutes or less.24. The method of claim 22 , wherein a molar ratio of the one or more polyhydroxylated aromatic moieties to the one or more monomeric polyols is 0.25 to 1 or greater and 1 to 1 or less.25. The method of claim 22 , wherein the one or more monomeric polyols have a molecular weight of under 500 grams per mole and 130 grams per mole or greater.26. The method of claim 22 , wherein at least a portion of the one or more monomeric polyols are tetrafunctional having four hydroxyl groups.27. The method of claim 22 , wherein at least a portion of the one or more monomeric polyols are tetrafunctional having four secondary hydroxyl groups.28. The method of claim 22 , wherein the oligomeric polyol component ...

SHOE PRESS BELT

A shoe press belt includes a polyurethane in which a reinforcement base member is embedded, the polyurethane being in one piece with the reinforcement base member. The polyurethane constituting at least an outer circumferential surface of the shoe press belt includes, as an urethane prepolymer component, an aliphatic polycarbonatediol component and an aromatic diisocyanate component, and includes, as a curing agent component, an aliphatic diol component having a carbon number of less than or equal to 6 and an aromatic diol component having two hydroxyethoxy groups. A content of the aromatic diol component with respect to the aliphatic diol component and the aromatic diol component is more than or equal to 10 mass % and less than or equal to 50 mass %. Accordingly, there is provided a shoe press belt suppressed in generation and development of a crack. 1. A shoe press belt comprising a polyurethane in which a reinforcement base member is embedded , the polyurethane being in one piece with the reinforcement base member , whereinthe polyurethane constituting at least an outer circumferential surface of the shoe press belt includes, as an urethane prepolymer component, an aliphatic polycarbonatediol component and an aromatic diisocyanate component, and includes, as a curing agent component, an aliphatic diol component having a carbon number of less than or equal to 6 and an aromatic diol component having two hydroxyethoxy groups, anda content of the aromatic diol component with respect to the aliphatic diol component and the aromatic diol component is more than or equal to 10 mass % and less than or equal to 50 mass %.2. The shoe press belt according to claim 1 , wherein the aromatic diol component is at least one of a 1 claim 1 ,3-bis(2-hydroxyethoxy)benzene component and a 1 claim 1 ,4-bis(2-hydroxyethoxy)benzene component.3. The shoe press belt according to claim 1 , wherein the aliphatic diol component is a 1 claim 1 ,4-butanediol component.4. The shoe press belt ...

POLYETHER POLYCARBONATE DIOL AND METHOD FOR PRODUCING THE SAME

Provided is a polyether polycarbonate diol, wherein the ratio of the total number of terminal alkoxy groups and terminal aryloxy groups to the total number of all terminal groups is 0.20% or more and 7.5% or less. Controlling the ratio of the total number of terminal alkoxy groups and terminal aryloxy groups to the total number of all terminal groups included in the polyether polycarbonate diol to fall within the preferable range enables a polyurethane having an intended molecular weight to be produced while the occurrence of rapid polymerization reaction is reduced. 1. A polyether polycarbonate diol , wherein the ratio of the total number of terminal alkoxy groups and terminal aryloxy groups to the total number of all terminal groups is 0.20% or more and 7.5% or less.2. The polyether polycarbonate diol according to claim 1 , wherein the terminal alkoxy group includes a terminal methoxy group.3. The polyether polycarbonate diol according to or claim 1 , wherein the terminal alkoxy group includes a terminal butoxy group.4. The polyether polycarbonate diol according to any one of to claim 1 , the polyether polycarbonate diol having a hydroxyl value of 11 mg-KOH/g or more and 320 mg-KOH/g or less.5. The polyether polycarbonate diol according to any one of to claim 1 ,wherein a hydrolysis product produced by mixing the polyether polycarbonate diol with methanol and a 25 weight %-aqueous sodium hydroxide solution, heating the resulting mixture at 75° C. for 30 minutes to perform hydrolysis has a hydroxyl value of 220 mg-KOH/g or more and 750 mg-KOH/g or less.6. A method for producing the polyether polycarbonate diol according to any one of to claim 1 , the method comprising:a step of reacting polytetramethylene ether glycol having a hydroxyl value of 220 mg-KOH/g or more and 750 mg-KOH/g or less with a carbonate compound.7. A method for producing a polyurethane claim 1 , the method comprising conducting an addition polymerization reaction of the polyether polycarbonate ...

PROCESSES FOR IN-MOLD COATING OF POLYMER SUBSTRATES

Processes for in-mold coating of polymer substrates comprising: introducing a plastic substrate into a mold cavity of a mold; introducing a coating composition into the mold cavity containing the plastic substrate in order to coat the substrate, at processing temperature 50° C.-120° C., and at processing pressure 11,000 to 20,700 kPa; and curing the composition in the mold cavity at cure temperature of 62-105° C.; wherein the coating composition comprises a polymer comprising isocyanate-reactive groups; and a polyisocyanate, and wherein the coating composition has a viscosity of 200 to 500 mPa·s at the processing temperature. Further embodiments include attaching electronic circuits, light emitting diodes and/or graphic images to the plastic substrate before coating. 2. The process of claim 1 , wherein the plastic substrate comprises aromatic polycarbonate.3. The process of claim 1 , wherein at least one of electronic circuits claim 1 , light emitting diodes and graphic images are attached to the plastic substrate.4. The process of claim 1 , wherein the processing temperature is 50-80° C. claim 1 , preferably 66-77° C.5. The process of claim 1 , wherein the processing pressure is 12 claim 1 ,400 to 15 claim 1 ,200 kPa.6. The process of claim 1 , wherein the mold temperature is 71 to 82° C.7. The process of claim 1 , further comprising the step of mixing the polymer comprising an isocyanate-reactive resin and the polyisocyanate into a mixing head where the components are mixed before injection into the mold cavity.8. The process of claim 7 , wherein one of the polymer comprising an isocyanate-reactive resin and the polyisocyanate is fed to the impingement mixing head through an orifice having a diameter of 0.15 mm-0.70 mm.9. The process of claim 1 , wherein the polymer comprising isocyanate-reactive groups comprises: (i) an aromatic branched polyester polyol; and (ii) an aliphatic polycarbonate polyol.10. The process of claim 9 , wherein the aliphatic polycarbonate ...

METHOD FOR PREPARING POLYOLS

The present invention relates to a method for preparing a polycarbonate ether polyol, by reacting an epoxide and carbon dioxide in the presence of a catalyst of formula (I), a double metal cyanide (DMC) catalyst and a starter compound. The catalyst of formula (I) is as follows. 2. The method of wherein the DMC catalyst contains from 5% to 80% by weight of the first complexing agent.3. The method of claim 1 , wherein the polymer is selected from a polyether claim 1 , a polycarbonate ether claim 1 , and a polycarbonate.4. The method of claim 3 , wherein the polymer is a polyether having a molecular weight between 1 claim 3 ,000 Daltons and 10 claim 3 ,000 Daltons.5. The method of claim 1 , wherein the second complexing agent is selected from the group consisting of ethers claim 1 , ketones claim 1 , esters claim 1 , amides claim 1 , alcohols claim 1 , and ureas.6. The method of claim 5 , wherein the second complexing agent is an alcohol.7. The method of claim 6 , wherein the alcohol is selected from methanol claim 6 , ethanol claim 6 , isopropyl alcohol claim 6 , n-butyl alcohol claim 6 , isobutyl alcohol claim 6 , sec-butyl alcohol claim 6 , (m)ethoxy ethylene glycol claim 6 , -buten-1-ol claim 6 , 2-methyl-3-buten-2-ol claim 6 , 2-methyl-3-butyn-2-ol claim 6 , 3-methyl-1-pentyn-3-ol claim 6 , propylene glycol and tert-butyl alcohol.8. The method of claim 5 , wherein the second complexing agent is an ether claim 5 ,9. The method of claim 8 , wherein the ether is selected from dimethoxyethane claim 8 , ethylene glycol monomethyl ether claim 8 , diglyme claim 8 , and triglyme.10. The method of claim 1 , wherein the second complexing agent is tert-butyl alcohol claim 1 , and the polymer is a polyether.11. The method of claim 1 , wherein the DMC catalyst contains a further complexing agent.12. The method of claim 1 , wherein the first and second metal centres of the DMC catalyst are represented by M′ and M″ respectively. whereinM′ is selected from Zn(II), Ru(II), Ru(III ...

POLYURETHANE-BASED BINDER DISPERSION

A polyurethane-based binder dispersion is described. The polyurethane based binder dispersion comprises: a polyurethane, which comprises: (A) a polyisocyanate; (B) a first polyol having a chain with two hydroxyl functional groups at one end of the chain and no hydroxyl groups at an opposed end of the chain; (C) a second polyol having a chain with two hydroxyl functional groups at both ends of the chain; (D) a carboxylic acid functional group with two hydroxyl functional groups; and (E) a compound shown in formula (1): m(M+) n(X)—R—Y— (1), wherein m is 0 or 1, M is a metal, n is 2 to 10, X is an amino group, R is a C1 to C18 alkyl group, a C6 to C30 aromatic compound or a C4 to C20 aliphatic cyclic compound, and Y is SO3- or SO3H, with the proviso that when m is 0, Y is SO3H and when m is 1, Y is SO3-. 1. A polyurethane-based binder dispersion comprising: (A) a polyisocyanate;', '(B) a first polyol having a chain with two hydroxyl functional groups at one end of the chain and no hydroxyl groups at an opposed end of the chain;', '(C) a second polyol having a chain with two hydroxyl functional groups at both ends of the chain;', '(D) a carboxylic acid functional group with two hydroxyl functional groups;', [{'br': None, 'i': m', 'n, 'sup': '+', '(M)(X)—R—Y\u2003\u2003(1)'}, 'wherein', 'm is 0 or 1;', 'M is a metal;', 'n is 2 to 10;', 'X is an amino group,', {'sub': 1', '18', '6', '30', '4', '20, 'R is a Cto Calkyl group, a Cto Caromatic compound or a Cto Caliphatic cyclic compound, and'}, {'sub': 3', '3, 'sup': '−', 'Y is SO or SOH'}, {'sub': 3', '3, 'sup': '−', 'with the proviso that when m is 0, Y is SOH and when m is 1, Y is SO, and'}], '(E) a compound shown in formula (1) below'}, '(F) an optional homopolymer or copolymer of poly(ethylene glycol) having one or two hydroxyl functional groups or one or two amino functional groups at one end of its chain, and, 'a polyurethane, which compriseswater,wherein the polyurethane is dispersed in the water.2. The polyurethane- ...

Organic-inorganic hybrid material, fabrication process of the same and its starting material

An organic-inorganic hybrid material is disclosure. The organic inorganic hybrid material contains 5˜50 wt % of inorganic compounds and has a characteristic peak at 1050±50 cmin FTIR spectrum. Furthermore, the invention also provides a fabricating process of the organic-inorganic hybrid material as well as its starting material “isocyanates”. In particular, the isocyanates are prepared from carbonate containing compounds and amines. 2. The organic-inorganic hybrid material according to claim 1 , wherein the prepolymer comprises a polyurethane prepolymer claim 1 , an epoxy oligomer or a polyamic acid.3. The organic-inorganic hybrid material according to claim 1 , wherein the prepolymer has molecular weight between 5 claim 1 ,000 and 50 claim 1 ,000 Da.4. The organic-inorganic hybrid material according to claim 1 , wherein the compound having a formula (1) is ((4-(2-(4-hydroxyphenyl)propan-2-yl)phenyl(3-(trimethoxysilyl)propyl)carbamate).5. The organic-inorganic hybrid material according to claim 1 , wherein the isocyanate comprises hexyl isocyanate claim 1 , octyl isocyanate claim 1 , dodecyl isocyanate claim 1 , octadecyl isocyanate claim 1 , cyclohexyl isocyanate claim 1 , trimethylsilyl isocyanate claim 1 , 3-(triethoxysilyl)propyl isocyanate claim 1 , 3-(trimethoxysilyl)propyl isocyanate claim 1 , phenylethyl isocyanate claim 1 , methyl isocyanate claim 1 , ethyl isocyanate claim 1 , propyl isocyanate claim 1 , eicosyl isocyanate or tetracosyl isocyanate.7. The organic-inorganic hybrid material according to claim 1 , wherein the inorganic bead is produced by coating the compound having a formula (1) claim 1 , or the product prepared from the isocyanate and the phenolic compound onto a surface of a inorganic particle.8. The organic-inorganic hybrid material according to claim 7 , wherein the inorganic particle comprises silicon oxide claim 7 , silicon sulfide claim 7 , aluminum oxide claim 7 , aluminum sulfide claim 7 , titanium oxide claim 7 , titanium sulfide ...

POLYURETHANE

A self-healing polyurethane, a polyol for use in the polyurethane, and the use of the polyol and/or polyurethane in coatings, elastomers, composites, adhesives and/or sealants is described, where the polyurethane is capable of exhibiting self-healing which results in recovery of a proportion of one or more physical parameters. The self-healing polyurethane is the reaction product of reactants comprising a polyol, a polyisocyanate; and optionally, a chain extender, where the polyol comprises at least one dimer fatty residue; at least one carbonate group; and at least two hydroxyl end groups. 1. A polyurethane which is capable of self-healing and which is the reaction product of reactants comprising: (i) at least one dimer fatty residue;', '(ii) at least one carbonate group; and', '(iii) at least two hydroxyl end groups;, '(A) a polyol, wherein the polyol comprises(B) a polyisocyanate; and(C) optionally, a chain extender.2. A polyurethane obtained by reacting: (i) at least one of a dimer fatty diacid, a dimer fatty diol, a dimer fatty diamine, or a dimer fatty diisocyanate;', '(ii) a diaryl carbonate, a dialkyl carbonate or phosgene; and', '(iii) optionally, a non-dimeric diol, a non-dimeric diacid and/or a lactone,, '(A) a polyol which is the reaction product of reactants comprisingwherein the polyol is capable of forming at least two hydrogen bonds within the polyurethane;(B) a polyisocyanate; and(C) optionally, a chain extender,wherein the polyurethane is capable of self-healing.3. A polyurethane according to wherein the polyol comprises a polyisocyanate reactant which is not an aromatic polyisocyanate.4. A polyurethane according to wherein the polyol comprises a dimer fatty diol reactant.5. A polyurethane according to wherein the polyol is capable of forming at least 3 hydrogen bonds within the polyurethane.6. A polyurethane according to wherein:(B) the polyisocyanate comprises an aromatic polyisocyanate.7. A polyurethane according to which comprises a chain ...

POLYURETHANE FOAMS BASED ON POLYETHER CARBONATE POLYOLS

A process for producing polyurethane foams by reaction of the components: A, B, C, and D. Component A comprises a polyol component, comprising A1 which is 40 to 100 parts by weight of polyether carbonate polyol and A2 which is 0 to 60 parts by weight of polyether polyol. Component B can comprise B1 a catalyst, and B2 optionally auxiliary and additive substances. Component C can comprise water and/or physical blowing agents. Component D can comprise di- and/or polyisocyanates. Production is carried out at an index of 90 to 120 and in the presence of a component K, wherein the component K comprises a reaction product of alkoxylated phosphoric acid with 1,3-dicarbonyl compound or carboxylic anhydride. A polyurethane foam and a method for producing articles are also disclosed. 1. A process for producing polyurethane foams by reaction of the components: A1 40 to 100 parts by weight of polyether carbonate polyol having a hydroxyl number according to DIN 53240-1 (June 2013) of 20 mg KOH/g to 120 mg KOH/g', 'A2 0 to 60 parts by weight of polyether polyol having a hydroxyl number according to DIN 53240-1 (June 2013) of 20 mg KOH/g to 250 mg KOH/g and a content of ethylene oxide of 0% to 60% by weight, wherein polyether polyol A2 is free from carbonate units,, 'A polyol component, comprising'}BB1 catalyst, andB2 optionally auxiliary and additive substances,C water and/or physical blowing agents,with wherein production is carried out at an index of 90 to 120 and in the presence of a component K,', 'wherein the component K comprises a reaction product of alkoxylated phosphoric acid with 1,3-dicarbonyl compound or carboxylic anhydride and was optionally alkoxylated in at least one subsequent step, and, 'D di- and/or polyisocyanates,'}wherein the component K is employed in an amount of 0.05 to 10.00 parts by weight based on the sum of the parts by weight of components A1+A2=100 parts by weight.2. The process as claimed in claim 1 , wherein component A has the following ...

METHOD FOR PRODUCING POLYCARBONATE DIOL, POLYCARBONATE DIOL AND POLYURETHANE USING SAME

The present invention relates to a method for producing a polycarbonate diol, comprising subjecting a compound represented by the following formula (A) containing from 0.01 to 1.0 wt % of an aldehyde derivative, a compound represented by the following formula (B), and a carbonate compound to polycondensation by a transesterification reaction in the presence of a catalyst to produce a polycarbonate diol having a number average molecular weight of 250 to 5,000: 2. The method for producing a polycarbonate diol according to claim 1 , wherein the carbon atom on the main chain of Rin the formula (B) is a primary claim 1 , secondary or tertiary carbon atom.3. The method for producing a polycarbonate diol according to claim 1 , wherein the formula (B) is at least one compound selected from the group consisting of 1 claim 1 ,3-propanediol claim 1 , 1 claim 1 ,4-butanediol and 1 claim 1 ,5-pentanediol.5. The polycarbonate diol according to claim 4 , wherein the carbon atom on the main chain of Rin the formula (B) is a primary claim 4 , secondary or tertiary carbon atom.6. The polycarbonate diol according to claim 4 , wherein the formula (B) is at least one compound selected from the group consisting of 1 claim 4 ,3-propanediol claim 4 , 1 claim 4 ,4-butanediol and 1 claim 4 ,5-pentanediol.7. A polyurethane obtained by using the polycarbonate diol according to .8. An artificial leather or a synthetic leather claim 7 , which is produced by using the polyurethane according to .9. A coating material or a coating agent claim 7 , which is produced by using the polyurethane according to .10. An elastic fiber which is produced by using the polyurethane according to .11. An aqueous polyurethane coating material which is produced by using the polyurethane according to .12. A pressure sensitive adhesive or an adhesive claim 7 , which is produced by using the polyurethane according to .13. An active energy ray-curable polymer composition which is obtained by using the polycarbonate diol ...

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.

PROCESS FOR PRODUCING (CYCLO)ALIPHATIC POLYCARBONATE POLYOLS HAVING LOW REACTIVITY

The present invention relates to a process for producing (cyclo)aliphatic polycarbonate polyols comprising the steps of 2. The process according to claim 1 , wherein the catalyst is a basic salt selected from the group consisting of alkali metals.3. The process according to claim 1 , wherein the catalyst is a sodium alkoxide or a potassium alkoxide.4. The process according to claim 1 , wherein the organic sulfonic acid is selected from the group consisting of tetrapropylenebenzenesulfonic acid claim 1 , dodecylbenzenesulfonic acid and a technical isomer mixture of the dodecylbenzenesulfonic acid.5. The process according to claim 1 , wherein the catalyst is employed in a concentration between 1 ppm to 10 000 ppm claim 1 , based on the total weight of the employed (cyclo)aliphatic polyols and alkyl carbonates.6. The process according to claim 1 , wherein the alkyl carbonate is a dialkyl carbonate.7. The process according to claim 1 , wherein the organic sulfonic acid is employed in a molar ratio of 0.7 to 3.0 claim 1 , to the basic equivalent of the catalyst.8. The process according to claim 1 , wherein the (cyclo)aliphatic polyol is selected from the group consisting of 1 claim 1 ,5-pentanediol and 1 claim 1 ,6-hexanediol and mixtures thereof.9. A (cyclo)aliphatic polycarbonate polyol produced by the process according to .10. The (cyclo)aliphatic polycarbonate polyol according to claim 9 , wherein the polyol has an OH functionality between 1.8 and 3.0.11. A method of reducing reactivity of polycarbonate polyols in polycarbonate polyol production claim 9 , the method comprising including at least one organic sulfonic acid having a molecular weight of 250 to 1000 g/mol and at least one branched or unbranched alkyl substitution having at least four carbon atoms as a stopper.12. An aqueous polyurethane dispersion comprising at least one (cyclo)aliphatic polycarbonate polyol according to reacted with at least one isocyanate-containing compound.13. A two-component system ...