КЛЕЕВАЯ КОМПОЗИЦИЯ ДЛЯ ПРОИЗВОДСТВА ГОФРИРОВАННОГО КАРТОНА

Изобретение относится к клеевой композиции, в частности для производства ламинированного картона. Композиция представляет собой клеевую композицию на основе крахмала или поливинилацетата. Клеевая композиция содержит клей и добавку. Добавка представляет собой гомополимер α,β-ненасыщенной акриловой кислоты или сополимер α,β-ненасыщенной акриловой кислоты с, по меньшей мере, одним алкилакрилатом. Причем гомополимер или сополимер сшит сшивающим агентом, который представляет собой многофункциональный винилиденовый мономер. Винилиденовый мономер представляет собой, например, бутадиен, изопрен, дивинилбензол и дивинилнафталин. Или сшивающий агент представляет собой полиалкениловый простой эфир с несколькими эфирными группами, в частности аллилпентаэритритол. Добавка представляет собой псевдопластичный материал. Клеевая композиция содержит, по меньшей мере, 0,001 мас.% добавки. Способ производства клеевой композиции включает разбавление добавки крахмалом и оптическим осветляющим агентом и добавление ...

ЗАЩИТНЫЕ ПЛЕНКИ И КЛЕЙ, СКЛЕИВАЮЩИЙ ПРИ НАДАВЛИВАНИИ

Изобретение относится к защитной пленке в форме ленты или листа для изделий, имеющих форму. Защитная пленка включает слой субстрата и клеевую композицию, склеивающую при надавливании. Слой субстрата предпочтительно является экструдируемым слоем субстрата. Клеевая композиция включает блоксополимер, смолу, повышающую клейкость и, необязательно, полиолефин, пластификатор и антиоксидант. Блоксополимер содержит по меньшей мере два поли- или моно-винилароматических углеводородных блока и по меньшей мере один гидрированный блок поли- или сопряженного диена. Клеевую композицию получают сухим смешением компонентов. Сухую смесь экструдируют, гранулируют в подводном грануляторе с получением влажных гранул. Влажные гранулы сушат. Возможна обработка влажных или сухих гранул опудривающим средством. Клеевая композиция сочетает в себе высокую адгезию при отслаивании и скорость течения расплава от 5 до 20 г/10 мин. 5 н. и 8 з.п. ф-лы, 3 табл.

СИНТЕТИЧЕСКИЕ ПОЛИМЕРЫ, СОДЕРЖАЩИЕ СМЕСИ-ДОБАВКИ УСИЛЕННОГО ДЕЙСТВИЯ

Изобретение относится к композициям, содержащим синтетический полимер, подверженный окислительной деструкции, термодеструкции или фотодеструкции, в частности термопластичный полимер, и добавки, а также к способу стабилизации этих полимеров. Композиция содержит, по меньшей мере, одну добавку, выбранную из группы стабилизаторов, антистатиков, зародышеобразователей, биоцидов и/или антипиренов, и, по крайней мере, один полимерный диспергирующий или сольватирующий агент, обладающий амфифильными свойствами. Синтетические полимеры, стабилизируемые таким способом, отличаются прекрасной устойчивостью к окислительной деструкции, термодеструкции или фотодеструкции. 5 н. и 13 з.п. ф-лы, 8 табл.

ПОЛИОЛЕФИНОВАЯ КОМПОЗИЦИЯ, ОБЛАДАЮЩАЯ ХОРОШИМ СОЧЕТАНИЕМ ПОКАЗАТЕЛЕЙ ЖЕСТКОСТИ И УДАРОПРОЧНОСТИ

Изобретение относится к эластомерной композиции на основе термопластичного полиолефина, в частности к композиции, содержащей полимер пропилена с широким молекулярно-массовым распределением, применяемый в автомобильной промышленности для изготовления бамперов и боковых полосок. Композиция включает от 40 до 60 мас.% пропиленового полимера с показателем полидисперсности от 5 до 15 и скоростью течения расплава от 80 до 200 г/10 мин (в соответствии с ASТМ-D 1238, условие L) и от 40 до 60 мас.% частично нерастворимого в ксилоле каучука на основе олефинового полимера, содержащего не менее 65 мас. % этилена. Отношение [ηS]/[ηA] величины характеристической вязкости [ηS] растворимой в ксилоле при комнатной температуре части полиолефиновой композиции к величине характеристической вязкости [ηA] компонента пропиленового полимера лежит в пределах от 2 до 2,5, при этом величины характеристической вязкости измеряются в тетрагидронафталине при 135oС. Полученная полиолефиновая композиция характеризуется ...

СМЕСИ ТЕРМОПЛАСТИЧНЫХ ФТОРПОЛИМЕРОВ

Изобретение относится к термопластичным полимерам, содержащим звенья тетрафторэтилена и звенья перфторалкилвиниловых эфиров, их смесям, а также к процессам и изделиям, в которых применяются такие полимеры. Смесь термопластичных фторполимеров, в основном содержащих звенья тетрафторэтилена и от 0,5 до 10,0 мол.% звеньев одного или более перфторалкилвиниловых эфиров, имеющих от 1 до 4 атомов углерода в перфторалкильном радикале, содержит по меньшей мере 20 и не более 90 мас.% по меньшей мере одного фторполимера А (компонент А) с индексом расплава ИТРА не менее 30 и не более 90 мас.% и по меньшей мере 10 мас.% фторполимера В (компонент В) с индексом расплава ИТРВ не более 15, причем компоненты выбирают таким образом, что отношение индексов расплава компонента А и компонента В ИТРА/ИТРВ находится в пределах 80 - 2500. Также изобретение относится к низкомолекулярному термопластичному фторполимеру, способу изготовления формованных изделий и формованному изделию. Изобретение позволяет значительно ...

ГЕТЕРОМОРФНЫЕ ПОЛИМЕРНЫЕ КОМПОЗИЦИИ

Изобретение относится к гетероморфным полимерным композициям и способу их получения, содержащим (а) основную цепь гомогенного линейного или по существу линейного этилена/α-олефинового сополимера и б) боковую цепь, прикрепленную к основной цепи, причем боковая цепь содержит этиленовый гомополимер или этилен/α-олефиновый сополимер, имеющий плотность, которая по меньшей мере на 0,004 г/см3 превышает плотность полимера основной цепи, и имеющий более высокую степень кристалличности по сравнению со степенью кристалличности полимера основной цепи. По меньшей мере один из полимера основной цепи или полимера боковой цепи возможно может быть функционализирован для содействия адгезии к полярным поверхностям. Гетероморфные полимерные композиции изобретения обнаруживают улучшенный верхний предел температуры использования. 5 с. и 11 з.п.ф-лы, 7 табл., 8 ил.

ТЕРМОПЛАВКИЙ ПРИКЛЕИВАЮЩИЙСЯ ПРИ НАЖАТИИ КЛЕЕВОЙ СОСТАВ (HMPSA) ДЛЯ ОТСОЕДИНЯЕМОЙ САМОКЛЕЯЩЕЙСЯ ЭТИКЕТКИ

Изобретение относится к термоплавкому приклеивающемуся при нажатии клеевому (HMPSA) составу, используемому для самоклеющихся этикеток. Термоплавкий приклеивающийся при нажатии клеевой (HMPSA) состав включает стирольный блок-сополимер, совместимую повышающую клейкость смолу, а также одну или несколько карбоновых кислот, углеводородная цепь которых содержит от 6 до 54 атомов углерода. Температура размягчения повышающей клейкость смолы находится в диапазоне от 80 до 150°С, а кислотное число ее менее 20. Многослойная система, включающая в себя слой HMPSA-состава, содержит пригодный к печатанию слой-основу и прилегающий защитный слой. Самоклеящуюся этикетку получают преобразованием многослойной системы. Изделие, покрытое самоклеящейся этикеткой, представляет собой упаковочную тару, контейнер из стекла или пластика, предпочтительно стеклянная бутылку. Утилизацию изделия с наклеенной этикеткой осуществляют отсоединением вышеупомянутой этикетки при погружении изделия в горячий водный щелочной раствор ...

ПОЛИЭТИЛЕНОВАЯ КОМПОЗИЦИЯ ДЛЯ НАРУЖНОГО СЛОЯ ПОКРЫТИЙ СТАЛЬНЫХ ТРУБ

Изобретение относится к полиэтиленовой композиции для наружного слоя покрытия стальных труб. Композиция содержит ПЭВП, представляющий собой гомополимер этилена и/или сополимер этилена с альфа-олефином с плотностью 0,940 до 0,964 г/см, ПЭНП, представляющий собой разветвленный полиэтилен высокого давления с плотностью от 0,91 до 0,925 г/см, или сополимер этилена с альфа-олефином с плотностью от 0,904 до 0,935 г/см, или сополимер этилена с винилацетатом с содержанием от 5 до 30 мас.% винилацетатных групп и имеющий плотность от 0,925 до 0,955 г/см. Кроме того, композиция содержит синтетический эластомер и/или синтетический каучук. Использование такой композиции обеспечивает получение покрытий на стальных трубах, обладающих морозостойкими свойствами при температурах ниже -45°С и высокими физико-механическими свойствами, такими как прочностные свойства, и стойкостью к растрескиванию в агрессивной среде, а также высоким сопротивлением вдавливанию. 5 табл., 56 пр.

КОМПОЗИЦИЯ С ПОВЫШЕННОЙ УСТОЙЧИВОСТЬЮ К РАСТРЕСКИВАНИЮ

... 1. Композиция, которая в каждом из случаев в пересчете на общую массу композиции содержит: ! A) от 50,0 до 99,5 мас.%, по меньшей мере одного (со)полимера (мет)акрилата, и ! B) от 0,5 до 50,0 мас.%, по меньшей мере одного сополимеризата, получающегося при полимеризации смеси мономеров, состоящей из: ! i от 70 до 92 мас.% винилароматического мономера и ! ii от 8 до 30 мас.% акрилонитрила или метакрилонитрила или их смеси, ! iii от 0 до 22 мас.%, по меньшей мере одного дополнительного мономера, ! отличающаяся тем, что при 23°C эта композиция имеет значение мутности согласно стандарту ASTM D1003 меньше 2,0%, а при 40°C значение мутности согласно стандарту ASTM D1003 меньше 4,0%, а также композиция содержит по меньшей мере один (со)полимер (мет)акрилата а) с величиной вязкости раствора в хлороформе при 25°C (согласно ISO 1628 - часть 6) больше 55 мл/г. ! 2. Композиция по п.1, отличающаяся тем, что (со)полимер (мет)акрилата а) имеет величину вязкости раствора в хлороформе при 25°C (согласно ...

ТЕРМОПЛАСТИЧНЫЕ ФОРМОВОЧНЫЕ МАССЫ С АНТИСТАТИКОМ, ПРОЯВЛЯЮЩИЕ ПОВЫШЕННУЮ ЦВЕТОСТОЙКОСТЬ ПРИ ПЕРЕРАБОТКЕ

... 1. Термопластичные формовочные массы, содержащие I.) 99,90-95 мас.ч. модифицированного, при необходимости, каучуком полимера из винилароматических соединений и, при необходимости, других винильных мономеров, состоящего из A) 0-100 мас.% одного или нескольких привитых сополимеров, полученных сополимеризацией прививкой из 10- 95 мас.% (в пересчете на А) каучука и из 90-5 мас.% (в пересчете на А) привитого к каучуку мономера, где в качестве мономера используют стирол, α-метилстирол, замещенный в ядро стирол, метилметакрилат, (мет)акрилонитрил, ангидрид малеиновой кислоты, N-замещенные малеинимиды или их смеси, причем температура стеклования каучуков составляет <10° С и они находятся в форме, по меньшей мере, не полностью сшитых частиц со средним диаметром частиц (d50) 0,05-20 мкм, и B) 100-0 вес.% одного или нескольких термопластичных ви-нилполимеров, где мономеры выбраны из ряда стирола, α-метилстирола, замещенного в ядро стирола, метилметакрилата, акрилонитрила. метакрилонитрила, ангидрида ...

РЕДИСПЕРГИРУЕМЫЙ ПОЛИМЕРНЫЙ ПОРОШОК

... 1. Водорастворимый полимерный порошок, содержащий по меньшей мере один модифицированный натуральный латекс, где модифицированный натуральный латекс получают: ! - путем смешивания натурального латекса с по меньшей мере одним радикальным инициатором и/или окисляющим агентом, или ! - путем смешивания и взаимодействия натурального латекса с по меньшей мере одним мономером ненасыщенного олефина и с по меньшей мере одним радикальным инициатором. ! 2. Полимерный порошок по п.1, отличающийся тем, что порошок полимера содержит ! - до 95 вес.% по меньшей мере одного модифицированного натурального латекса, ! - от 0 до 50 вес.% по меньшей мере одного защитного коллоида, ! - от 2 до 70 вес.% по меньшей мере одного наполнителя и/или агента, предотвращающего спекание, а также ! - необязательно дополнительные добавки, ! с характеристикой в вес.% на основе общей массы композиции полимерного порошка и в каждом случае с добавлением до 100 вес.%. ! 3. Полимерный порошок по п.1 или 2, отличающийся тем, что ...

ВОДНЫЕ ДИСПЕРСИИ ПОЛИМЕРОВ

... 1. Способ получения водной дисперсии полимеров, включающий стадии:i) подготовки смеси первого и второго полимера, каждый из которых имеет вязкость более чем 30 Па·с при 100 с, измеряемую при 100°С, причем смесь включает:a) от 1 до 60 частей по массе первого полимера, несмешивающегося в водной среде и, необязательно, включающего в себя реакционно-способные группы, иb) от 40 до 99 частей по массе второго полимера, включающего диспергирующие группы, причем полимер смешивается в водной среде и, необязательно, дополнительно включает группы, реакционно-способные по отношению к группам первого полимера;ii) плавления полимеров при выбранной температуре в условиях высокого сдвига в экструдере с формированием однородной смеси полимеров;iii) необязательно, осуществления взаимодействия реакционно-способных групп первого и второго полимера друг с другом в условиях высокого сдвига в экструдере, формируя прореагировавшую смесь;iv) быстрого охлаждения расплавленной смеси из стадии ii) или стадии iii) вне ...

СТАБИЛИЗИРОВАННЫЙ ЖИДКИЙ КЛЕЕВОЙ КОНЦЕНТРАТ

... 1. Жидкий клеевой концентрат, содержащий воду, по меньшей мере один неионогенный полисахарид, по меньшей мере один сополимер и по меньшей мере одну соль щелочного металла от двух- до четырехвалентной неорганической кислородсодержащей кислоты.2. Жидкий клеевой концентрат по п.1, отличающийся тем, что соль щелочного металла от двух- до четырехвалентной неорганической кислородсодержащей кислоты является сульфатом щелочного металла и/или карбонатом щелочного металла.3. Жидкий клеевой концентрат по п.1, отличающийся тем, что дополнительно содержит по меньшей мере одну соль щелочного металла от двух- до четырехвалентной карбоновой кислоты.4. Жидкий клеевой концентрат по любому одному из предшествующих пунктов, отличающийся тем, что содержащиеся ионы щелочного металла являются ионами натрия.5. Жидкий клеевой концентрат по любому одному из пп.1-3, отличающийся тем, что общее содержание солей щелочных металлов от двух- до четырехвалентных неорганических кислородсодержащих кислот и от двух- до четырехвалентных ...

ПОВЫШЕНИЕ ОДНОРОДНОСТИ СМЕСЕЙ ПОЛИЭТИЛЕНОВ

... 1. Смесь полиэтиленов, состоящая в основном из трех фракций (А), (В) и (С) гомо- или сополимера этилена с различными молекулярными массами:A) от 10 до 50 мас.% низкомолекулярной фракции гомо- или сополимера со среднемассовой молекулярной массой Mменее 40 кг/моль;B) от 18 до 60 мас.% высокомолекулярной фракции гомо- или сополимера со среднемассовой молекулярной массой Mболее 250 кг/моль иC) от 10 до 70 мас.% фракции гомо- или сополимера, имеющей промежуточную молекулярную массу, при среднемассовой молекулярной массе Mот 100 до 200 кг/моль;при этом смесь полиэтиленов имеет единственный пик плавления, как определено с помощью дифференциальной сканирующей калориметрии (ДСК).2. Смесь полиэтиленов по п.1, состоящая в основном из трех фракций (А), (В) и (С) гомо- или сополимера с различными молекулярными массами:A) от 10 до 50 мас.% низкомолекулярной фракции гомо- или сополимера со среднемассовой молекулярной массой Mменее 40 кг/моль;B) от 18 до 40 мас.% высокомолекулярной фракции гомо- или сополимера ...

КОМПОЗИЦИИ СИЛИЛИРОВАННЫХ ТЕРМОПЛАСТИЧНЫХ ВУЛКАНИЗАТОВ

... 1. Способ изготовления термопластичного вулканизата, включающий: ! смешение первого термопластичного полимера, второго эластомерного полимера, ангидрида карбоновой кислоты, источника свободных радикалов и усилителя клейкости с образованием клейкой первой смеси, содержащей первый термопластичный полимер и привитый второй эластомерный полимер с диспергированным в нем усилителем клейкости; затем ! реакцию первой смеси с силаном с образованием неклейкого термопластичного вулканизата. ! 2. Способ по п.1, в котором первый термопластичный полимер включает один или более полимеров, выбранных из группы, состоящей из гомополимеров и сополимеров полипропилена, полиэтилена, полистирола, акрилонитрил-бутадиен-стирола, стирол-акрилонитрила, полиметилметакрилата, термопластичных полиэфиров, поликарбоната, полиамида, полифениленового эфира, полифениленоксида и их комбинаций. ! 3. Способ по п.1, в котором второй эластомерный полимер включает один или более полимеров, выбранных из группы, состоящей из сополимера ...

СПОСОБ ПОЛУЧЕНИЯ КОМПОЗИЦИОННЫХ ЧАСТИЦ

... 1. Способ получения композиционных частиц, отличающийся тем, что ! α) одно или несколько соединений кремния общей формулы ! , ! в которой ! R обозначает необязательно замещенный алкильный или арильный остаток с 1-20 атомами углерода или атом водорода, ! R1 обозначает необязательно замещенный углеводородный остаток или атом водорода и ! n обозначает число от 1 до 4, или ! β) один или несколько продуктов конденсации соединений кремния формулы (1) ! подвергают конденсации в растворителе или смеси нескольких растворителей в присутствии одного или нескольких растворимых полимеров, в качестве которых используют полимеры сложных виниловых эфиров с 6-15 мас.% этиленово ненасыщенных карбоновых кислот и необязательно 0,3-2 мас.% этиленово ненасыщенных силанов, полимеры сложных виниловых эфиров с 0,3-2 мас.% этиленово ненасыщенных силанов, полимеры (мет)акрилатов с 6-15 мас.% этиленово ненасыщенных карбоновых кислот и необязательно 0,3-2 мас.% этиленово ненасыщенных силанов или полимеры (мет)акрилатов ...

ВОДНАЯ СВЯЗУЮЩАЯ КОМПОЗИЦИЯ, СОДЕРЖАЩАЯ СИНТЕТИЧЕСКИЙ ПОЛИМЕР И ЛЮПИНОВЫЙ БЕЛОК

... 1. Водная связующая композиция, содержащая, по меньшей мере, один синтетический полимер и от 1 до 99 мас.% люпинового белка на основе соотношения сухих веществ, причем указанный, по меньшей мере, один синтетический полимер представляет собой, по меньшей мере, один из гомо- или сополимеров винилацетата, гомо- или сополимеров сложных эфиров (мет)акриловой кислоты, гомо- или сополимеров (мет)акриловой кислоты, гомо- или сополимеров (мет)акриламида, гомо- или сополимеров винилового спирта, полиуретана или сополимеров стирола и бутадиена.2. Композиция по п. 1, в которой указанный, по меньшей мере, один синтетический полимер представляет собой, по меньшей мере, один из поливинилацетата (PVAc), полиэтиленвинилацетата (EVA), сополимеров винилхлорида и винилацетата или этиленвинилацетата, сополимеров полиэтилена и акриловой кислоты (PEAA), сополимеров этилена и метилакрилата (EMA), полиэтилметакрилата (PEMA), сополимеров винилацетата и других сложных эфиров, поливинилового спирта (PVA), стирол-акрилатных ...

СПОСОБ НАНЕСЕНИЯ ЖИДКОЙ МНОГОКОМПОНЕНТНОЙ КЛЕЕВОЙСИСТЕМЫ

... 1. Способ нанесения жидкой многокомпонентной клеящей системы на поверхность материалов, отличающийся тем, что компоненты наносят отдельно друг от друга в форме точек. 2. Способ по п.1, отличающийся тем, что точки имеют объем от 0,5 до 500 мм3. 3. Способ по п.1, отличающийся тем, что наносят от 100 до 1000000 точек на м2 материала. 4. Способ по п.1, отличающийся тем, что величина шага между нанесениями составляет от 2 до 50 мм. 5. Способ по п.1, отличающийся тем, что точечное нанесение одного компонента окружено точечным нанесением одного или нескольких других компонентов. 6. Способ по п.1, отличающийся тем, что компоненты имеются на материале попеременно. 7. Способ по п.1, отличающийся тем, что наносят двухкомпонентную систему из клея А и отвердителя В. 8. Способ по п.7, отличающийся тем, что в качестве компонента А используют мочевино-формальдегидные смолы, меламин-формальдегидные смолы, меламин-мочевино-формальдегидные смолы, этерифицированные меламин-формальдегидные смолы, феноловые ...

Teilvernetzte Polyolefinzusammensetzung

Mehrschichtstrukturen aus fluorierten und nicht-fluorierten thermoplastischen Polymeren

Ethylen-Propylen-Kautschuk-Mischung

Verfahren zur Herstellung von Abdichtungen und Beschichtungen sowie zum Verkleben von Fliesen oder Fussbodenbelägen

MASSE FÜR AUFREISSVERSCHLÜSSE.

KLEBENDE PROPYLENPOLYMERE FÜR BESCHICHTUNGEN

FINGERTASTEN-ELEMENT EINES LEUCHTTASTSCHALTERS

DRUCKEMPFINDLICHES KLEBEMITTEL UND KLEBEVERSCHLUSS FÜR WEGWERFWINDELN

DRUCKEMPFINDLICHES KLEBEMITTEL UND KLEBEVERSCHLUSS FÜR WEGWERFWINDELN

ZUSAMMENSETZUNG FÜR ABZIEHBARE KLEBSSTOFFE, BESCHICHTUNGEN UND HOCHLEISTUNGSKLEBSTOFFE

Klebfolie

Elastomerzusammensetzung.

DRUCKEMPFINDLICHES KLEBEBAND

Kitte und Dichtungsmassen auf der Basis von Polymerisaten aethylenisch ungesaettigter Verbindungen

KAUTSCHUKZUSAMMENSETZUNG UND VERFAHREN ZU DEREN HERSTELLUNG

Klebstoffmischungen und Laminate.

Verfahren zum Herstellen von durch Fasern verstaerkten Kunststoffen aus Polyesterharzmassen

DRUCKEMPFINDLICHER KLEBSTOFF AUF BASIS INTERPENETRIERENDER POLYMERNETZWERKE

DURCH FEUCHTIGKEIT HÄRTBARE SCHMELZKLEBSTOFF-ZUSAMMENSETZUNG

THERMOPLASTISCHE POLYPROPYLEN-ELASTOMERZUSAMMENSETZUNGEN MIT VERBESSERTEN VERARBEITUNGSEIGENSCHAFTEN UND AUSGEGLICHENEN PHYSIKALISCHEN EIGENSCHAFTEN

VERFAHREN ZUR HERSTELLUNG VON MONTAGEKLEBEBÄNDER MIT EINER TRÄGERSCHICHT AUF BASIS VON THERMISCH VERNETZTEN, VISKOELASTISCHEN ACRYLATEN

DURCH WÄRME AKTIVIERBARER KLEBSTOFF

DURCH WÄRME AKTIVIERBARER KLEBSTOFF

DRUCKEMPFINDLICHE HAFTMITTELMASSE SOWIE DEREN VERWENDUNG

Haftklebstoff mit Nachvernetzungspotential

Process for producing plywood

SYNTHETISCHE POLYMERE ENTHALTEND ADDITIVMISCHUNGEN MIT ERHÖHTEM EFFEKT

Thermo-fusible adhesive compsn.

A thermofusible adhesive composition comprises: a at least one essentially amorphous poly(alpha-olefin), b at least one copolymer of ethylene and an alkyl (meth)acrylate, the cloud point of the composition being below 170 DEG C.

ADHÄSIONSVERMITTELNDE PRIMERZUSAMMENSETZUNGEN FÜR RTV-SILIKONE

AUTOKLAVIERBARE, NICHT KLEBENDE, HEISSIEGELBARE POLYMERMISCHUNGEN ZUR HERSTELLUNG VON FOLIEN AUS EINER ODER MEHREREN SCHICHTEN

THERMOPLASTISCHES ELASTOMER SOWIE VERFAHREN ZU SEINER HERSTELLUNG

VERFAHREN ZUR HERSTELLUNG VON ARTIKELN AUS SCHMELZEN VON COPOLYMEREN DES TETRAFLUORETHYLEN

PHOTOVERNETZBARE KLEBSTOFFZUSAMMENSETZUNG AUF DER BASIS VON EINEM EPOXIDHARZ UND EINEM THERMOPLAST

POLYOLEFIN-ZUSAMMENSETZUNGEN UND DARAUS HERGESTELLTE FOLIEN

SCHNELLHÄRTENDE POLYCHLOROPREN KONTAKTKLEBSTOFFE

Verwendung von wäßrigen Dispersionen als Heißsiegelkleber

Klebemittel beim Filmdruck

Verfahren zum Verkleben von Polyaethylen

Durch Einwirkung von Luftfeuchtigkeit selbsthärtende Copolymere und Mischungen

POLYETHYLENZUSAMMENSETZUNGEN MIT VERBESSERTEN OPTISCHEN UND MECHANISCHEN EIGENSCHAFTEN UND VERBESSERTER VERARBEITBARHEIT IN DER SCHMELZE

TPE-ZUSAMMENSETZUNG MIT HERVORRAGENDER HAFTUNG AUF TEXTILFASERN

Heissschmelzklebstoff

Aliphatische Epoxid-Amin-Addukte mit hoher Seitenkettenverzweigung, Verfahren zu ihrer Herstellung sowie ihre Verwendung

Neue wässrige Klebstoffe für gewerbliche Anwendungen

KLEBSTOFFZUSAMMENSETZUNG AUF BASIS EINER WAESSRIGEN LOESUNG EINES METALLSALZES EINES CARBOXYLGRUPPENHALTIGEN MISCHPOLYMERISATS

Insulating glass sealant

Two-pack adheshive composition

Improvements in or relating to pressure sensitive adhesives

... 550,232. Adhesives. JOHNSON & JOHNSON (GT. BRITAIN); Ltd.' June 26, 1941, No. 8068. Convention date, June 26, 1940. [Class 2 (iii)] A tacky, pressure-sensitive adhesive intended for industrial use in masking and for surgical purposes comprises rubber and a hydrogenated indene-coumarone resin. Part, e.g. 25-90 per cent of the rubber may be replaced by a rubber-like polymer of isobutylene, preferably of average molecular weight in the range 40,000-90,000. The hydrogenated indenecoumarone resins having m.p. 100-160‹C. are suitable. Filling and reinforcing agents such as starch and zinc oxide may be included, and lanolin is compatible with the composition. In an example, rubber is compounded with hydrogenated indene-coumarone resin, lanolin and zinc oxide; further examples include also polyisobutylene. with and without starch.

METHOD OF PRODUCING A PAPER SHEET MATERIAL FOR APPLICATION TO A WOOD MATERIAL PANEL AND PROVIDED WITH AN ADHESIVE COATING ON THE BACK

... 1406185 Coated paper TH GOLDSCHMIDT AG 11 July 1973 [11 July 1972] 33151/73 Heading B2E [Also in Division B5] A paper sheet for application to the surface of a wood panel is produced by impregnating the sheet material with 25-100% 'by weight (based on the weight of paper) of an aminoplast resin and providing on the back an adhesive bonding layer comprising a mixture of 60-90% by weight of an aminoplast resin and 10-40% by weight of a copolymer of an acrylic acid ester and vinyl chloride. The paper sheet material may have already been provided with decorative figuring which after coating with the adhesive is then coated with a clear lacquer, or the paper may be bleached or unbleached, loaded or unloaded paper which after application of the adhesive is coated with a pigmented layer of lacquer. In an example. a bleached absorbent paper is impregnated with an aqueous solution of a urea resin, then coated with an adhesive comprising 40 parts aqueous urea resin solution, 40 parts of aqueous melamine ...

PROCESS FOR PRODUCING OLEFINIC COPOLYMERS

... 1418343 Quadripolymers SUMITOMO CHEMICAL CO Ltd 28 Feb 1973 [28 Feb 1972] 9814/73 Heading C3P Halogen containing, sulphur curable, normally amorphous quadripolymers of (1) ethylene, (2) an monoolefin of formula RCH = CH 2 where R is a C 1 -C 20 hydrocarbon radical, (3) a hydrocarbon containing a plurality of non- conjugated unsaturated bonds and (4) a halogenated norbornene of formula where one R 1 -R 4 is a halogen atom or a C 1 -C 20 halohydrocarbon radical and the R's are hydrogen, halogen or a C 1 -C 20 hydrocarbon or halohydrocarbon radical are produced by contacting monomers 1-4 with a catalyst comprising (a) at least one organoaluminium compound AlR1nX 3-n where R1 is a C 1 -C 20 hydrocarbon radical, X is halogen and n is 1À5 to 3 and (b) at least one titanium and/or vanadium compound with a molar ratio of (a) to (b) of 5: 1 to 0À5 : 1. The catalyst may contain electron donor compounds and/or oxidizing agents. The copolymer may be compounded with a diene or butyl ...

Polymeric extenders and tackifying agents for elastomers

Vulcanizable compositions comprising synthetic elastomers and vulcanizing agents therefor are compounded with atactic polypropylene as tackifying agent and/or extender. Specified elastomers are polychloroprenes, ethylene/propylene copolymer rubbers and halogenated and/or sulphohalogenated polyethylenes. Extender and processing oils and other conventional additives may be incorporated, and the compositions vulcanized. Examples describe the compounding of atactic polypropylene with chlorinated/chlorosulphonated polyethylene, polychloroprene and ethylene/propylene copolymer and terpolymer rubbers, together with carbon black, clay, barium sulphate, litharge, magnesium oxide, zinc oxide, calcium oxide, hydrogenated rosin, petrolatum, petroleum wax, stearic acid, calcium stearate, aromatic and naphthenic petroleum oils, 2-benzothiazolyl disulphide, dipentamethylene thiuram tetrasulphide, tetramethyl thiuram monosulphide, nickel dibutyl dithiocarbamate, 2-mercapto-imidazoline, butyraldehyde/aniline ...

SEALING JOINTS

Improvements in or relating to adhesive compositions

... 1,133,076. Adhesively bonded laminates. NATIONAL STARCH & CHEMICAL CORP. 26 April, 1966 [26 April, 1965], No 18319/66. Heading B5N. [Also in Division C3] Materials are laminated using an adhesive composition comprising a mixture of (a) an aqueous emulsion of a vinyl acetate polymer or copolymer, (b) 2-12%, by weight of the vinyl acetate polymer solids, of polyvinyl alcohol; and (c) an acidic metal salt curing agent selected from chromic nitrate, chromic perchlorate, aluminium nitrate and aluminium chloride. The vinyl acetate may be copolymerized with an unsaturated carboxylic acid or ester or amide thereof, or a vinyl or vinylidene halide. Materials which may be bonded or laminated include wood, hardboard, textiles, leather, paper, cement asbestos board, metals, cardboard, glass or plastic. The materials, coated with the adhesive composition, can be adhered at room temperature and pressures of 30-300 p.s.i. for periods of ¢-3 hours; the pressure or period can be reduced by increasing the ...

Surfactants

Hot Melt Adhesive

... 1,185,226. Hot melt adhesive compositions. SUN OIL CO. 15 March, 1967 [18 March, 1966], No. 12145/67. Addition to 1,116,551. Headings C3P and C3R. A thermoplastic hot melt adhesive composition comprises a homogeneous mixture of 35 to 75 weight per cent of an aromatic hydrocarbonaldehyde resin free from acetate groups and having a ring and ball softening point of 70‹ to 150‹ C. and 25 to 65 weight per cent of an ethylene-vinyl acetate copolymer containing 17 to 42 weight per cent vinyl acetate. In an example there is described a resin obtained by reacting formaldehyde with a gas oil fraction containing aromatics, which is suitable for blending with copolymers of ethylene and vinyl acetate.

CURED POLYOLEFIN RUBBER BUTADIENCE RESIN COMPOSITIONS

HYDROCARBON-DERIVED RESIN

... 1413489 Adhesive coatings GOODYEAR TIRE & RUBBER CO 12 Dec 1972 [20 Jan 1972] 57266/72 Heading B2E [Also in Division C3] Tetrapolymer resins derived from piperylene, -methylstyrene, 2-methyl-2-butene and dicyclopentadiene are used in combination with (a) a natural or synthetic rubber to produce a pressure-sensitive adhesive or (b) a thermoplastic polymer (certain alphamonoolefin polymers) to produce a hot-melt adhesive. In the latter case part of the polymer may be replaced by paraffin wax and/or micro-crystalline wax. Examples refer to blends of the tetrapolymer with butadiene-styrene or natural rubber coated from solution on to a polyethylene terephthalate film and to blends with ethylene-vinyl acetate copolymer and paraffin wax coated from the melt on to corrugated cardboard.

Improvements in or relating to adhesive compositions comprising polymerised chloroprene and in or relating to methods of preparing such compositions

A liquid composition comprises chloroprene which has been polymerized only to the plastic state, an organic solvent and from 1 to 10 per cent by weight of the chloroprene of polyvinyl acetate which serves to increase the initial adhesive bond between two films of the composition. The chloroprene is dispersed in an organic solvent and the polyvinyl acetate, together with a curing agent for the chloroprene, are separately dispersed in an organic solvent, the two solutions or dispersions being mixed immediately before use; other compounding ingredients which do not promote the curing of the chloroprene may be incorporated in either of the solutions or dispersions. According to an example, chloroprene and phenyl-o-naphthylamine are dispersed in toluene diluted with ethyl acetate and naphtha and the polyvinyl acetate, zinc oxide and butyraldehyde-aniline condensation product are separately dispersed in toluene. Benzene, xylene and trichloroethylene are also referred to as suitable solvents.

PRIMER FOR USE ON EPDM ROOFING MATERIALS

ADHESIVE

Internal finish skin material

Plastics film and bags and sacks therefrom

A thermoplastics film includes first and second layers formed by melt extrusion from synthetic thermoplastics material, one of said layers comprising a blend of linear low density ethylene polymer and at least one of (a) a second ethylene polymer which has a higher density and is selected from ethylene homopolymers and copolymers of ethylene and at least one other alpha -olefin and (b) polypropylene, and the other of said layers comprising linear low density ethylene polymer. At least one of said layers 32 provides a face of the film and at least a part of the surface of the outer face 12 of the film has a higher coefficient of friction than the inner face. Such a multilayerfilm is suitable for use in the manufacture of bags or sacks. ...

REINFORCED POLYOLEFIN COMPOSITIONS

... 1442527 Filled polyolefin compositions SUMITOMO CHEMICAL CO Ltd 30 May 1974 [4 June 1973] 24085/74 Heading C3P Reinforced polyolefin compositions are prepared by reacting together (1) a mixture of (a) a molten crystalline polyolefin, (b) 0À1 to 10% by weight of (a) of an unsaturated aliphatic carboxylic acid or anhydride and (c) either (i) 0À2 to 80% by weight of (a) of an oxide or sulphate of a Group II(a), III(b) or IV(a) metal or (ii) 0À1 to 20% by weight of (a) of a hydroxide of magnesium, calcium, titanium or zirconium, and mixing with (2) a filler before or after the reaction, said reaction being performed in the absence of a free radical catalyst. A further crystalline or non-crystalline polyolefin may also be incorporated. The polyolefin may be polyethylene, polypropylene, polybutene-1 or an ethylene/propylene or ethylene/butene copolymer. The modifiers may be (b) maleic, fumaric, itaconic, citraconic or acrylic acid or maleic, itaconic or citraconic anhydride, (c)(i) magnesium, ...

VULCANIZATION OF LOW-UNSATURATION POLYMER AND DIENE RUBBER BLENDS

... 1463701 Vulcanizing low unsaturation/high unsaturation rubber blends with a thiocarbamyl sulphenamide MONTEDISON SpA 2 Jan 1974 [2 Jan 1973] 00127/74 Heading C3E [Also in Division C2] A composition comprises (a) a low unsaturation polymer, (2) a highly unsaturated diene rubber, (3) sulphur or a sulphur-donor and (4) a thiocarbamyl sulphenamide of the formula where A and B are selected from wherein each of Ra and Rb is selected from C 1 to C 30 -alkyl radicals, C 3 to C 8 -cycloalkyl radicals, C 6 to C 18 -aryl, aralkyl and alkaryl radicals; each R is a hydrogen atom or a C 1 to C 4 -alkyl group; x is from 4 to 7; and at least one of A and B is -NRaRb where Ra and Rb are C 1 to C 30 -alkyl radicals and the total number of carbon atoms in Ra and Rb is at least 12. Examples are given in which (a) an ethylenepropylene - ethylidene norbornene rubber/ butadiene - styrene rubber formulation is vulcanized in the presence of N,N-dieicosylthiocarbamyl - N1,N1 - dicyclohexylsulphenamide ...

Improvements in and relating to polymers

The adhesive properties of polyethylene and cellulose are improved by the addition thereto of a carboxylic acid or anhydride modified polyethylene wax having a density of at least 0.88 and a molecular weight of from 1000 to 5000. Specified modified polyethylenes are made by heating polyethylene waxes, which have been made by pyrolysis of high density polyethylene, with maleic acid, maleic anhydride and thioglycolic acid. The Specification describes also the preparation of coating compositions based on the above modified polyethylene waxes, the modified wax being either dissolved in a solvent, e.g. toluene or mineral spirits, or suspended in water containing morpholine and oleic acid.ALSO:The adhesive properties of polyethylene films and cellulosic sheet materials, e.g. paper, cardboard and corrugated board, are improved by coating them with a carboxylic acid or anhydride modified polyethylene wax having a density of at least 0.88 and a molecular weight of from 1000 to 5000. Specified modified ...

Water-absorptive vinyl lactam polymer compositions

The composition is capable of absorbing more than 45 % of its weight of water without dissolving at room temperature to form an optically clear hydrogel. The composition is employed especially for the preparation of catheters or sutures or antimist glass sheets.

METHOD OF SEALING JOINTS AND JOINTING COMPOUND THEREFOR

Adhesive compositions

Adhesive compositions comprise an aqueous dispersion of polyvinyl acetate, polyvinyl alcohol, boric acid, a premature gelation retarder which is an alkali metal or ammonium thiocyanate or urea, and acidic material if required to establish a pH of 2-6, said retarder and boric acid being in the proportions by weight of 25-900 parts and 15-100 parts respectively per 100 parts of polyvinyl alcohol, and the proportion of said retarder being not less than 150% of the weight of the boric acid. The polyvinyl alcohol may be a partially or completely hydrolysed polyvinyl acetate. The boric acid may be added as such or supplied by hydrolysis, e.g. of alkyl esters of boric acid or borates of aluminium, titanium or zirconium. Specified acidic materials are formic, acetic, propionic, hydrochloric and sulphuric acids. The compositions may also comprise anti-foaming agents, e.g. tributyl citrate, pine oil and dimethyl siloxane polymers; fillers, e.g. kaolin, clay and diatomaceous earth; preservatives, ...

Improvements in and relating to rubber compositions

A composition comprises an ethylene-propylene copolymer rubber and a fusible, nonheat hardenable, novolak resin of formaldehyde and a phenol of formula wherein R1 is a monovalent cyclic hydrocarbon radical, R2 is a divalent alkylene radical containing 1 to 6 carbon atoms, and n is 0 or 1. In the examples, the rubbers used are ethylenepropylene copolymer and ethylene-propylenebutadiene terpolymer; and the novalak resins are phenylethylphenol-formaldehyde, p-cyclopenten-2-ylphenol-formaldehyde, and p-phenylphenol-formaldehyde resins. Optional ingredients are conventional rubber additives, in particular carbon black. The vulcanization of a composition of the invention is illustrated using dicumyl peroxide and sulphur. The products find application in tyres, cable coatings and adhesives.

Ethylene polymer blend adhesives

Composites of matter having properties that make them strong adhesives to various substrates, especially to polar substrates. These adhesive blends comprise medium density polyethylene, linear low density polyethylene and a high density polyethylene grafted with or containing in its main chain unsaturated or saturated carboxylic acids or derivatives. The disclosure also includes composite structures having one or more substrates with the adhesive blend adhered thereto and to methods of making these composites.

Vulcanisable synthetic rubber composition

A vulcanizable composition comprises an ethylene/propylene/non-conjugated diene rubbery copolymer, stannous chloride dihydrate and a halomethyl hydrocarbon substituted mono- or poly-hydric phenol or polymer thereof. Optional ingredients are butyl rubber, halogenated butyl rubber, naphthenic oil, carbon black and silica. The vulcanized products find application in tyres, curing bags, hose, footwear and protective clothing. Specifications 819,279, 857,428 and 880,904 are referred to.

Insulating glass sealant

RUBBER COMPOSITION

HOT-MELT COMPOSITIONS

... 1413013 Laminates ARAKAWA RINSAN KAGAKU KOGYO KK 18 Jan 1973 [24 Jan 1972] 2559/73 Heading B5N [Also in Divisions C3 and C5] Substrates such as paper, metal foils and regenerated cellulose films may be laminated under heat and pressure using a hot-melt adhesive comprising (1) an ethylene/unsaturated ester copolymer and (2) a hydrogenated aromatic petroleum resin prepared by polymerizing a cracked petroleum fraction boiling in the range -10‹ to + 280‹ C. and containing unsaturated hydrocarbon at least 50 weight per cent of which is polymerizable aromatic hydrocarbon, and hydrogenating the resulting aromatic hydrocarbon resin to a hydrogenation degree of aromatic ring of 5 to 80%. The compositions may also contain waxes, rosin esters, polyterpenes, petroleum and coumarone/indene resins, antioxidants, plasticizers and fillers. In examples adhesives comprising ethylene/vinyl acetate copolymers, hydrogenated aromatic petroleum resin and paraffin wax are applied in molten form to bleached sulphite ...

Heat sealing adhesive tape and consumer product display

The object of the present invention provides a heat sealing adhesive tape which can adhere to various kinds of products to be treated comprising various polymer materials as the outer surface thereof in a sufficient heat sealing adhesive strength, and enables retention of the adhesive property even under a high heat and humidity. The object is resolved by providing a heat sealing adhesive tape comprising a base layer and a sealant layer formed on at least one surface of the base layer, the sealant layer comprising a hot melt composition comprising an ethylene-vinyl acetate copolymer, a styrenic block copolymer, and a tackifier, the composition having a melting point of 85° C. or lower and a melt flow rate (MFR) of 15.0 g/10 min. or less measured at 190° C. under a load of 2,160 g.

Adhesive Compositions For Easy Application and Improved Durability

The present invention is directed to an adhesive composition comprising a crosslinkable acrylic copolymer, a multi-functionalized crosslinkable oligomer and a photoinitiator wherein the partially cured composition exhibits excellent wet out characteristics as reflected in a tan delta value of at least 0.4, preferably greater than 0.5, more preferable greater than 0.6 as measured at 20° C. resulting from a first curing stage, and the fully cured composition exhibits an improved stiffness and temperature resistance as reflected in a storage elastic modulus of at least 175,000 Pa at 20° C. and a shear adhesion failure temperature of at least 425° F. (218.3° C.) at 1 Kg/in 2 (0.155 Kg/cm 2 ), respectively, which result from a second sequential curing stage.

Conductive Adhesive For A Floorcovering

The invention relates to an adhesive for a floorcovering, comprising, based on the entire adhesive, from 5 to 30% by weight of at least one component selected from graphite and carbon black and/or from 0.2 to 3% by weight of conductive carbon fibers, from 25 to 50% by weight of a polyurethane dispersion with solids content of from 25 to 65% by weight, where less than 5% by weight of an aqueous dispersion of polyhydroxyether polymer, grafted with at least one acrylic or methacrylic monomer, with solids content of from 25 to 40% by weight, is present.

Two-component structural adhesive which is impact resistant at room temperature

The disclosure relates to the field of two-component epoxy resin compositions and to the use thereof as a repair adhesive, in particular in vehicle manufacturing. The two-component epoxy resin compositions according to the disclosure contain a curing component K2, which comprises between 1 and 10 wt. % of an amino group-terminated polyamide B, together with an epoxy resin component K1. The compositions show that the impact resistance is highly increased while an acceptable sheer strength is simultaneously retained.

Neodymium-catalyzed polybutadienes

The invention relates to a high-molecular-weight, linear, neodymium-catalysed polybutadiene having a high proportion, >95%, of cis-1,4 units having a low proportion, <1%, of 1,2-vinyl content, and also having a small molar-mass-polydispersity index (MPI), characterized in that Mooney viscosity (ML 1+4 100° C.) of the polybutadiene is from 70 to 90 and The molar-mass-polydispersity index of the polybutadiene is smaller than 10.

Adhesive composition and uses thereof

Disclosed herein is an adhesive composition for clutch disc application comprising of an epoxy resin of bisphenol A and epichlotrohydrin, partially hydrogenated carboxylated nitrile butadiene rubber (HX-NBR) in solid form as a toughening agent in the ratio 80:20, and optionally with additives to obtain improved lap shear strength and cushioning properties.

High flow and stiff polymer material with good transparency and impact properties

Polypropylene composition having a melt flow rate MFR 2 (230° C.) of equal or above 15 g/10 min comprising: (a) a crystalline polypropylene matrix; (b) an elastomeric propylene copolymer phase having a propylene content in the range of 40 to 80 wt.-%, and an intrinsic viscosity in the range of more than 0.7 to less or equal 2.5 dl/g; (c) a first polyethylene having a density in the range 905 to 925 kg/m3 and melt flow rate MFR 2 (190° C.) of below 30 g/10 min; (d) a second polyethylene having a density of above 915 kg/m 3 , and a melt flow rate MFR 2 (190° C.) of equal or above 30 g/10 min.

Optical Adhesive With Diffusive Properties

Optical adhesives that also diffuse visible light include a blend of an adhesive matrix which is an optical adhesive and a block copolymer. The adhesive may be a pressure sensitive adhesive and contains either acid or basic functionality. The block copolymer, which may be a diblock copolymer, contains a high Tg block and a functional block, the functionality of the functional block is complimentary to the functionality of the adhesive matrix to form an acid-base interaction. The adhesive may also contain a crosslinking agent.

Polymer blends

This invention relates to silane moisture curable polymer composition and more particularly, to such a polymer composition that is highly diluted by a non-silane containing component, while retaining good high temperatures properties. The invention is a polymer composition comprising a base resin comprising less than 59 wt % of a silane crosslinkable polyethylene (A), an thermoplastic polyolefin free from silane groups (B) wherein the polymer composition comprise a filler with a BET Nitrogen Surface Area larger than 3 m 2 /g (C). The invention also relates to a cable layer of such polymer composition suitably a semiconducting layer of a power cable.

Anaerobically Curable Compositions

An anaerobically curable composition comprising:(a) a non-encapsulated liquid anaerobically curable monomer forming a liquid phase;(b) a solid component dispersed as a solid phase within the liquid phase formed by the non-encapsulated liquid anaerobically curable monomer;wherein the solid component has (meth)acrylate functionality and:(i) is in particulate form with the particles having a particle size in the range from about 80 μm to about 300 μm; and(ii) has a melting temperature of from about 50° C. to about 90° C.; and(c) a curing component for curing the anaerobically curable composition within the liquid phase.The anaerobically curable composition can easily be coated onto substrates such as threaded fasteners or other parts in its flowable form and then converted to anaerobically curable composition in solid form.

Antistatic block copolymer pressure sensitive adhesives and articles

An antistatic pressure sensitive adhesive composition, useful in electronic and optical display applications, comprising an antistatic agent and a first block copolymer comprising at least two hard A block polymeric units each independently having a Tg of at least 50° C., and at least one soft B block (meth)acrylic polymeric unit having a Tg no greater than 20° C. The composition can comprise a second block copolymer. Articles comprising an antistatic pressure sensitive adhesive composition adjacent a first surface of a substrate.

Pressure sensitive adhesive compositions and method of making the same

The instant invention is a pressure sensitive adhesive composition comprising an ultra-high solid polyurethane dispersion. The ultra-high solid polyurethane dispersion comprises (1) a first component comprising a first polyurethane prepolymer comprising the reaction product of a polyol and polyisocyanate, (2) a second component comprising a media phase selected from the group consisting of a second polyurethane prepolymer emulsion, a low solid content polyurethane dispersion, a seed latex, and combinations thereof; and (3) optionally a chain extender. The ultra-high solid polyurethane dispersion has at least a solid content of at least 60 percent by weight of solid content, based on the total weight of the ultra-high solid polyurethane dispersion, and a viscosity of less than 5000 cps at 20 rpm at 21° C. using spindle #4 with Brookfield viscometer.

THREE-LAYER-CORE GOLF BALL HAVING HIGHLY-NEUTRALIZED POLYMER OUTER CORE LAYER

A golf ball includes an inner core layer formed from a thermoset rubber composition. The inner core layer has a first outer surface Shore D hardness and an outer diameter of about 0.8 to 1.40 inches. A thermoplastic outer core layer is formed around the inner core layer, has a second outer surface Shore D hardness, and is formed from a copolymer of ethylene and an α,β-unsaturated carboxylic acid, a metal salt of an organic acid, and sufficient cation source to neutralize about 90% to about 100% of acid groups of the copolymer. The golf ball includes an inner cover layer and an outer cover layer. The first outer surface Shore D hardness is greater than the second outer surface Shore D hardness and the outer core layer has a thickness of about 0.01 inches to 0.05 inches. 1. A golf ball comprising:an inner core layer comprising a first thermoset rubber composition and having an outer diameter of about 1.0 inch to about 1.6 inches;an outer core layer comprising a second thermoset rubber composition, the outer core layer having a first outer surface hardness;a thermoplastic intermediate layer having a second outer surface Shore D hardness, and comprising a copolymer of ethylene and an α,β-unsaturated carboxylic acid, a metal salt of an organic acid, and sufficient cation source to neutralize about 90% to about 100% of acid groups of the copolymer; andan outer cover layer;wherein the first outer surface Shore D hardness is greater than the second outer surface Shore D hardness and the intermediate layer has a thickness of about 0.02 inches to about 0.150 inches.2. The golf ball of claim 1 , wherein the acid groups further have a theoretical neutralization of about 100% to about 150%.3. The golf ball of claim 2 , wherein the theoretical neutralization is about 100% to about 130%.4. The golf ball of claim 3 , wherein the theoretical neutralization is about 110% to about 120%.5. The golf ball of claim 1 , wherein the inner core outer diameter is about 1.2 to 1.58 inches.6. ...

THREE-LAYER-CORE GOLF BALL HAVING HIGHLY-NEUTRALIZED POLYMER OUTER CORE LAYER

A golf ball includes an inner core layer formed from a thermoset rubber composition. The inner core layer has a first outer surface Shore D hardness and an outer diameter of about 0.8 to 1.40 inches. A thermoplastic outer core layer is formed around the inner core layer, has a second outer surface Shore D hardness, and is formed from a copolymer of ethylene and an α,β-unsaturated carboxylic acid, a metal salt of an organic acid, and sufficient cation source to neutralize about 90% to about 100% of acid groups of the copolymer. The golf ball includes an inner cover layer and an outer cover layer. The first outer surface Shore D hardness is greater than the second outer surface Shore D hardness and the outer core layer has a thickness of about 0.01 inches to 0.05 inches. 1. A golf ball comprising:a core comprising a thermoset rubber composition, the core having an outer surface hardness and an outer diameter of about 1.0 inch to about 1.6 inches;a first thermoplastic intermediate layer and a second thermoplastic intermediate layer disposed about the first, the first and second intermediate layers comprising a copolymer of ethylene and an α,β-unsaturated carboxylic acid, a metal salt of an organic acid, and sufficient cation source to neutralize about 90% to about 100% of acid groups of the copolymer; anda cover layer.2. The golf ball of claim 1 , wherein the first and second intermediate layers have a thickness of about 0.02 inches to about 0.150 inches.3. The golf ball of claim 1 , wherein the first and second intermediate layers have a first and second outer surface Shore D hardness.4. The golf ball of claim 3 , wherein the first or second outer surface hardness is less than core surface hardness.5. The golf ball of claim 1 , wherein the cover layer comprises an inner cover layer and an outer cover layer.6. A golf ball comprising:an inner core layer comprising a first thermoset rubber composition and having an outer diameter of about 1.0 inch to about 1.6 inches;an ...

Food and Beverage Containers and Methods of Coating

Food and beverage containers and methods of coating are provided. The food and beverage containers include a metal substrate that is at least partially coated with a coating composition that includes a water-dispersible resin system and an aqueous carrier. The resin system includes an epoxy component and an acrylic component. In a preferred embodiment, the coating composition is at least minimally retortable when cured.

Adhesive agent for application on a sanitary object

Agent for sanitary facilities that can be applied directly on the sanitary object, adheres, and is flushable only after a large number of flushes. The agent comprises fillers from the group of surfactants and a bonding agent, wherein the bonding agent is selected from the group of polyalkylene derivatives, hydrogentated polystyrol derivatives, copolymers from the group of monoalkyl esters of poly(methyl vinyl ether/carbonic acid anhydrides, olefin homopolymers, and copolymers of two or more olefins, wherein the olefin homopolymers and copolymers can also be partially hydrogenated, partially oxidized, or further functionalized by graft molecules, and from the group of polyalkyleneimines, including in alkoxylized form, polyetheramines (alkoxylized amines) and polyglycerin polyether alkyl carbonic acids, polymers or derivatives comprising said polymer groups. The viscosity of the agent is at least 30 Pa s, measured using a Haake viscometer, plate/plate system, plate diameter 10 mm, at a shear rate of 2.62 s − at 20° C.

Neodymium-catalyzed polybutadienes

The invention relates to a high-molecular-weight, linear, neodymium-catalysed polybutadiene having a high proportion, >95%, of cis-1,4 units having a low proportion, <1%, of 1,2-vinyl content, and also having a small molar-mass-polydispersity index (MPI), characterized in that Mooney viscosity (ML 1+4 100° C.) of the polybutadiene is from 70 to 90 and The molar-mass-polydispersity index of the polybutadiene is smaller than 10.

Multi-purpose adhesives and methods of making and using thereof

Described herein are adhesives that exhibit good cohesive and tack properties. In certain aspects, the adhesives can be applied to substrates using a low- or medium-pressure delivery system. The adhesives can be readily applied to any substrate such as, for example, a floor, wall, ceiling, countertop, and the like. The adhesives are particularly effective in adhering heavy materials such as, for example ceramic tiles and wall panels to walls.

POLYMER PROCESSING SIMPLIFICATION

A process for the preparation of a fluoroolefin polymer from an azeotropic mixture of monomers having a constant composition, the process including the step of: 1. A process for the preparation of a fluoroolefin polymer , said process comprising the step of:contacting in a reaction zone:an initiator; andan azeotropic mixture of at least two monomers comprising at least one fluoroolefin and, optionally, at least one ethylenically unsaturated comonomer capable of copolymerizing therewith;wherein said contacting is carried out at a temperature, pressure and length of time sufficient to produce said fluoroolefin polymer.2. The process of claim 1 , wherein said reaction zone further comprises a solvent selected from the group consisting of: ethyl acetate claim 1 , butylacetate claim 1 , toluene claim 1 , xylene claim 1 , methyl ethyl ketone claim 1 , 2-heptanone claim 1 , 1-methoxy-2-propanol acetate claim 1 , 1 claim 1 ,1 claim 1 ,1-trichloroethane and mixtures thereof.3. The process of claim 1 , wherein said azeotropic mixture comprises at least two fluoroolefin monomers.5. The process of claim 1 , wherein said fluoroolefin monomer is selected from the group consisting of CFCF═CF claim 1 , CFCH═CF claim 1 , CFCF═CHF claim 1 , CFCH═CH claim 1 , CFCF═CH claim 1 , cis- CFCH═CFH claim 1 , trans- CFCH═CFH claim 1 , CFCFCF═CF claim 1 , CFCFCH═CF claim 1 , CFCFCF═CHF claim 1 , CFCFCH═CH claim 1 , CFCFCF═CH claim 1 , CFCFCFCF═CF claim 1 , CFCFCFCH═CF claim 1 , CFCFCFCF═CHF claim 1 , CFCFCFCH═CH claim 1 , CFCFCFCF═CH claim 1 , CFCH═CHCF claim 1 , CFCH═CFCF claim 1 , CFCF═CFCF claim 1 , HOCHCH═CHF claim 1 , HOCHCH═CF claim 1 , HOCHCF═CH claim 1 , HOCHCF═CHF claim 1 , HOCHCF═CF claim 1 , HOCHCF═CH claim 1 , CFCH═CHCl claim 1 , CFCC1═CH claim 1 , CFCCl═CHF claim 1 , CFCC1═CF claim 1 , CFCF═CHCl claim 1 , CFCH═CFCl claim 1 , CF═CFCl claim 1 , CF═CF claim 1 , CF═CH claim 1 , CFH═CH claim 1 , and mixtures thereof.6. The process of claim 5 , wherein said fluoroolefin monomer is ...

Sealing Compounds with Scavenger Materials of Small Particle Size

PVC-free polymer compound for producing seals containing scavengers for screw caps, in particular twist crown corks, characterized in that the Shore A hardness of the polymer compound lies between 50 and 90 and, in a compression set test analogous to ASTM D395-97, Method B, the polymer compound has a compression set of between 30% and 90% after it has been left for 22 hours at 70° C. under a compression of 25%. 120-. (canceled)21. A polymer-based composition for a PVC-free sealing insert for a twist crown cap , comprising:at least one oxygen-scavenging substance;{'sub': 3', '20', '3', '20, 'at least 20% of at least one block copolymer, wherein the block copolymer is an interpolymer of ethylene and at least one C-Calpha-olefin or a copolymer of ethylene and one C-Calpha-olefin, optionally in combination with other unsaturated monomers;'}wherein the Shore A hardness of the polymer-based composition is between 50 to 90 and the polymer-based composition exhibits a compression set of 30-90% in the compressive deformation test analogous to ASTM D395-97 Method B after 22 hours of storage at 70° C. and a compression of 25%.22. The polymer-based composition according to claim 21 , wherein the polymer-based composition comprises thermoplastic elastomer claim 21 , polyolefin and white oil.23. The polymer-based composition according to claim 21 , wherein the polymer-based composition is free of plasticizer.24. The polymer-based composition according to claim 21 , wherein the polymer-based composition has a Shore A hardness of 60 to 80.25. The polymer-based composition according to claim 21 , wherein the oxygen-scavenging substance is sodium sulfite having an average particle size smaller than 20 μm.26. The polymer-based composition according to claim 21 , wherein the polymer-based composition comprises between 1% to 10% sodium sulfite as oxygen-scavenging substance.27. The polymer-based composition according to claim 21 , wherein the polymer-based composition exhibits a ...

Polymer compositions, articles made from such compositions and methods for molding such compositions

A polymer composition comprises a thermoplastic polymer, a polymer additive selected from the group consisting of nucleating agents, clarifying agents, and combinations thereof, and a fluoropolymer. A molded article comprises at least one wall defining a cavity, the wall having an opening therein permitting access to the cavity. The wall comprises a polymer composition comprising a thermoplastic polymer, a polymer additive selected from the group consisting of nucleating agents, clarifying agents, and combinations thereof, and a fluoropolymer. A method for molding a polymer composition is also provided.

FOOD AND BEVERAGE CONTAINERS AND METHODS OF COATING

Food and beverage containers and methods of coating are provided. The food and beverage containers include a metal substrate that is at least partially coated with a coating composition that includes a water-dispersible resin system and an aqueous carrier. The resin system includes an epoxy component and an acrylic component. In a preferred embodiment, the coating composition is at least minimally retortable when cured. 120-. (canceled)21: A food or beverage can coating composition , the coating composition comprising: an epoxy component, and', 'an acrylic component;, 'a water-dispersible resin system includingan aqueous carrier; andan organometallic catalyst.22: The coating composition of claim 21 , wherein the organometallic catalyst comprises an aluminum-containing organometallic catalyst claim 21 , a titanium-containing organometallic catalyst claim 21 , a zirconium-containing organometallic catalyst claim 21 , or a mixture thereof.23: The coating composition of claim 22 , wherein the organometallic catalyst comprises a titanium-containing organometallic catalyst.24: The coating composition of claim 22 , wherein the titanium-containing organometallic catalyst comprises titanium acetylacetonate claim 22 , a tetraalkyltitanate claim 22 , isopropylorthotitanate claim 22 , a water-soluble titanium chelated salt claim 22 , a triethanolamine chelate of titanium claim 22 , a tetratriethanolamine chelate of titanium claim 22 , a lactic acid titanium chelate claim 22 , or a combination thereof.25: The coating composition of claim 21 , wherein the organometallic catalyst comprises a zirconium-containing organometallic catalyst.26: The coating composition of claim 25 , wherein the zirconium-containing organometallic catalyst comprises zirconium propionate claim 25 , zirconium acetate claim 25 , ammonium zirconyl carbonate claim 25 , zirconate (2)-bis[carbonato(2)-O]dihydroxy-diammonium claim 25 , a zirconium chelated salt claim 25 , sodium zirconium lactate claim 25 , ...

REINFORCED RUBBER COMPOSITION

A rubber composition is based on at least: a copolymer A, with a content of greater than or equal to 50 phr, said copolymer A being a copolymer based on at least one ethylene monomer and on at least one vinyl acetate monomer a reinforcing inorganic filler as agent for coupling between said copolymer A and said reinforcing inorganic filler, a copolymer B different from said copolymer A, said copolymer B being a copolymer based on at least one alpha-olefin monomer and on at least one functional monomer Y; and a peroxide crosslinking system. This composition is especially intended for the manufacture of semi-finished products for tires or for the manufacture of tires. 123.-. (canceled)25. The rubber composition according to claim 24 , wherein a molar content of ethylene monomer in copolymer A is greater than or equal to 51.26. The rubber composition according to claim 24 , wherein a molar content of ethylene monomer in copolymer A ranges from 57% to 90%.27. The rubber composition according to claim 24 , wherein a molar percentage of functional monomer Y in copolymer B is greater than or equal to 0.5%.28. The rubber composition according to claim 24 , wherein a molar percentage of functional monomer Y in copolymer B ranges from 0.7% to 10%.29. The rubber composition according to claim 24 , wherein functional monomer Y of copolymer B is selected from the group consisting of monomers bearing an epoxide function and monomers bearing a carboxylic acid function.30. The rubber composition according to claim 29 , wherein functional monomer Y of copolymer B is a monomer bearing an epoxide function claim 29 , functional monomer Y being selected from the group consisting of aliphatic glycidyl esters claim 29 , aliphatic glycidyl ethers claim 29 , alicyclic glycidyl esters and alicyclic glycidyl ethers.31. The rubber composition according to claim 30 , wherein functional monomer Y of copolymer B is glycidyl methacrylate or glycidyl acrylate.32. The rubber composition according to ...

Functionalized propylene copolymer adhesive composition

This invention relates to an adhesive composition comprising a functionalized random propylene polymer (FRPP) having at least 0.1 wt % of a functional group, a heat of fusion of between 0.5 and 70 J/g, and an mm triad tacticity index of at least 75%, where the adhesive has a T-Peel adhesion on a polar substrate at 20° C. of at least 175 N/m (1 lb/in) and a T-Peel adhesion on a non-polar substrate at 20° C. of at least 175 N/m (1 lb/in) where the polarity of the polar substrate is at least 0.10 units higher than the polarity of the non-polar substrate. Methods to produce the adhesive and articles comprising the adhesive are also disclosed.

Heterogeneous in-situ polymer blend

A heterogeneous in-situ polymer blend comprising a continuous phase comprising a polypropylene having a crystallinity of at least 30% and a melting point temperature T m greater than 130° C., and a heat of fusion ΔH f greater than 65 J/g; and a dispersed phase comprising particles of an elastomeric copolymer dispersed in the continuous phase and having an average particle size of less than 5 micron, the elastomeric copolymer comprising ethylene units and 0.001 to 5 wt % diene by weight of the copolymer, and having a crystallinity of less than 20% and being at least partially cross-linked such that the degree of cross-link is at least 20%.

Functionalized propylene copolymer adhesive composition

This invention relates to an adhesive composition comprising a functionalized random propylene polymer (FRPP) having at least 0.1 wt % of a functional group, a heat of fusion of between 0.5 and 70 J/g, and an mm triad tacticity index of at least 75%, where the adhesive has a T-Peel adhesion on a polar substrate at 20° C. of at least 175 N/m (1 lb/in) and a T-Peel adhesion on a non-polar substrate at 20° C. of at least 175 N/m (1 lb/in) where the polarity of the polar substrate is at least 0.10 units higher than the polarity of the non-polar substrate. Methods to produce the adhesive and articles comprising the adhesive are also disclosed.

Thermoplastic polymer blends of isotactic polypropylene and alpha-olefin/propylene copolymers

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Elastic blends comprising crystalline polymer and crystallizable polym

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

官能化烯烃聚合物、由其制备的组合物和制品及它们的制备方法

在一方面，本发明提供一种制备官能化烯烃多嵌段互聚物的熔融方法，所述方法包括：在烯烃多嵌段互聚物的主链上接枝至少一种包含至少一个“胺-反应性的”基团的化合物以形成接枝的烯烃多嵌段互聚物，以及在未分离所述接枝的烯烃多嵌段互聚物的情况下使伯-仲二胺或烷醇胺与该接枝烯烃多嵌段互聚物反应。

Transparent and colorable elastomeric compositions

Transparent and colorable elastomeric compositions are provided. The transparent elastomeric compositions can be covulcanized with rubbers such as polybutadiene, polyisoprene, styrene-butadiene rubber, styrene-isoprene-butadiene rubber, isoprene-butadiene rubber, ethylene-propylene diene rubber or natural rubber. The colorable rubber compositions have sufficient properties to function as a reinforcing member in an automobile tire. Preferably, both the transparent and colorable elastomeric compositions include at least one copolymer of a C4 to C7 isolefin and a para-alkylstyrene, silica and a coupling agent.

Polymer compositions, articles made from such compositions and methods for molding such compositions

A polymer composition comprises a thermoplastic polymer, a polymer additive selected from the group consisting of nucleating agents, clarifying agents, and combinations thereof, and a fluoropolymer. A molded article comprises at least one wall defining a cavity, the wall having an opening therein permitting access to the cavity. The wall comprises a polymer composition comprising a thermoplastic polymer, a polymer additive selected from the group consisting of nucleating agents, clarifying agents, and combinations thereof, and a fluoropolymer. A method for molding a polymer composition is also provided.

Polypropylene composition

A polypropylene composition having well-balanced properties among low-temperature shock resistance, rigidity, heat resistance and transparency and comprising: [I] 20 to 95 % by weight of a polypropylene having (1) an isotactic pentad fraction of 0.900 to 0.949, (2) 0 to 1 molar % of 2,1- and 1,3-propylene units, (3) a weight-average molecular weight of 40,000 to 1,000,000, (4) a weight-average molecular weight to number- average molecular weight ratio of 1.5 to 3.8, and (5) such a solubility of the polypropylene in o-dichlorobenzene that when the solubility is determined by elevating the temperature of o-dichlorobenzene continuously or stepwise and determining a change in the solubility of the polypropylene with temperature, the main elution peak is obtained at 95 to 110 °C, and the amount of the components eluted at the main elution peak ± 10 is at least 90 % of the whole components eluted at a temperature above 0, and [II] 5 to 80 % by weight of a propylene/α-olefin copolymer comprising 10 to 90 % by weight of propylene units and 10 to 90 % by weight of other α-olefin units.

Mel-bondable polypropylene/ethylene polymer fiber and composition for making the same

The subject invention is directed to fibers and polymer blend compositions having improved bonding performance. In particular, the subject invention pertains to a multiconstituent fiber comprising a blend of a polypropylene polymer and a high molecular weight (that is, low melt index or melt flow) ethylene polymer. The subject invention further pertains to the use of the fiber and polymer blend composition which has improved bonding performance in various end-use applications, especially woven and nonwoven fabrics such as, for example, disposable incontinence garments and diapers. The fibers have good spinnability and provide fabrics having improved bond strength and elongation.

Polypropylene composition useful for making solid state oriented film

Disclosed is a polypropylene composition useful for making solid state oriented film. The composition comprises two predominantly isotactic polypropylenes with the melting point temperature of one of the polypropylenes being substantially lower than the melting point temperature of the other. In one embodiment of the composition the higher melting point polypropylene is made by Ziegler-Natta catalysis, while the lower melting point polypropylene is made by metallocene catalysis. Compared to polypropylene with similar melt flow rate and made by Ziegler-Natta catalysis, and solid state oriented film thereof, the composition provides a better balance of elevated temperature draw characteristics and physical properties of oriented film made therefrom. Thus, at the same or lower elevated temperature yield stress, oriented film of the composition exhibits improved properties such as stiffness, elongation-at-break, dimensional stability, and oxygen barrier. Also disclosed is a method for the manufacture of oriented, flexible packaging film. In the method a cast sheet is melt extruded from the composition, and, after cooling until it is solid, the cast sheet is stretched to the desired extent of orientation at a temperature which the sheet does not break while being stretched, but below the Tm. of the composition. The resulting film then is cooled to at least the crystallization temperature of the lower melting point polypropylene.

Pressure sensitive adhesive blends comprising (meth) acrylate polymers and articles therefrom

The present invention relates to a blend of at least one (meth)acrylate polymer and at least one amorphous propylene-derived polymer, and an optional tackifier that provide pressure sensitive adhesive compositions in which improved peel adhesion to at least one of low and relatively high surface energy substrates can be achieved.

Polypropylene composition useful for making solid state oriented film

Disclosed is a polypropylene composition useful for making solid state oriented film. The composition comprises two predominantly isotactic polypropylenes with the melting point temperature of one of the polypropylenes being substantially lower than the melting point temperature of the other. In one embodiment of the composition the higher melting point polypropylene is made by Ziegler-Natta catalysis, while the lower melting point polypropylene is made by metallocene catalysis. Compared to polypropylene with similar melt flow rate and made by Ziegler-Natta catalysis, and solid state oriented film thereof, the composition provides a better balance of elevated temperature draw characteristics and physical properties of oriented film made therefrom. Thus, at the same or lower elevated temperature yield stress, oriented film of the composition exhibits improved properties such as stiffness, elongation-at-break, dimensional stability, and oxygen barrier. Also disclosed is a method for the manufacture of oriented, flexible packaging film. In the method a cast sheet is melt extruded from the composition, and, after cooling until it is solid, the cast sheet is stretched to the desired extent of orientation at a temperature which the sheet does not break while being stretched, but below the T m of the composition. The resulting film then is cooled to at least the crystallization temperature of the lower melting point polypropylene.

Polypropylene Film and Laminated Material Thereof

A polypropylene film comprising 70-90 wt. % polymer (a), 2-10 wt. % polymer (b), 2-10 wt. % polymer (c) and 3-20 wt. % polymer (d) and having a haze of 8-30% (wherein the polymer (a) is a block copolymer prepared by producing a polymer part (component a1) by polymerizing in a first step monomers composed mainly of propylene in the absence of an inert solvent and producing an ethylene/propylene copolymer part (component a2) in a second step by polymerization subsequently carried out in a gas phase; the polymer (b) is an ethylene-based polymer having a density of 0.91-0.97 g/cm 3 and a melt flow rate of 5-30 g/10 min; the polymer (c) is an ethylene/α-olefin random copolymer having a density of 0.86-0.90 g/cm 3 and a melt flow rate of 0.3-5 g/10 min; and the polymer (d) comprises two or more propylene-based polymers different in molecular weight from each other).

Thermoplastic vulcanizates with advantageous adhesion to polar substrates

A thermoplastic vulcanizate comprising (i) a dynamically-cured rubber, and (ii) a thermoplastic polymer component, where the thermoplastic polymer component includes (a) a propylene-α-olefin thermoplastic copolymer characterized by including at least 5% by weight up to 35% by weight units deriving from α-olefins, and having a heat of fusion, as determined by DSC, of less than 80 J/g, (b) and a functionalized thermoplastic polymer.

Composition based on statistical propylene copolymers, process for their manufacture and multilayer heat-sealable sheets containing them

Compositions based on propylene polymers (compositions (C)) comprising: from 68 to 80% by weight of a statistical propylene copolymer (copolymer (A)) which contains from 12 to 20% by weight of units derived from 1-butene and from 0 to 2% by weight of units derived from ethylene, and from 20 to 32% by weight of a statistical propylene copolymer (copolymer (B)) which contains from 0 to 15% by weight of units derived from 1-butene and from 1 to 8% by weight of units derived from ethylene.

Adhesive polymer composition

A novel adhesive composition suitable for composing and multilayered coatings onto large, industrial equipement such as pipeline tubes is devised. The composition is a blend based on a polyethylene which determines the blend's favorable properties, which polyethylene itself can be used further in coating cables and for producing mouldings, especially rotomoulded articles.

Adhesive polymer composition

A novel adhesive composition suitable for composing multilayered coatings onto large, industrial equipment such as pipeline tubes is devised. The composition is a blend based on a polyethylene which determines the blend's favorable properties, which polyethylene itself can be used further in coating cables and for producing moldings, especially rotomoulded articles.

Polyethylene composition

New rotomouldings having superior FNCT are devised, based on the polyethylene suitably used. Further a novel subrange of polyethylene, suitable for such use and having optimum moulding behaviour, is devised.

Adhesive polymer composition

A novel adhesive composition suitable for composing multilayered coatings onto large, industrial equipment such as pipeline tubes is devised. The composition is a blend based on a polyethylene which determines the blend's favorable properties, which polyethylene itself can be used further in coating cables and for producing mouldings, especially rotomoulded articles.

Thermoplastic polymer blends of isotactic polypropylene and alpha-olefin/propylene copolymers

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Alpha-Olefin/propylene copolymers and their use

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Alpha-olefin/propylene copolymers and their use

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Alpha-olefin/propylene copolymers and their use

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Thermoplastic polymer blends of isotactic polypropropylene and alpha-olefin/propylene copolymers

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Thermoplastic polymer blends of isotactic polypropylene and alpha-olefin/propylene copolymers

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Polymerization processes for alpha-olefin/propylene copolymers

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Thermoplastic polymer blends of isotactic polypropylene and alpha-olefin/propylene copolymers

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Thermoplastic polymer blends of isotactic polypropylene and alpha-olefin/propylene copolymers

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Propylene alpha-olefin polymers

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Alpha-olefin/propylene copolymers and their use

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Alpha-olefin/propylene copolymers and their use

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Elastic blends comprising crystalline polymer and crystallizable polymers of propylene

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Elastic blends comprising crystalline polymer and crystallizable polymers of propylene

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Elastic blends comprising crystalline polymer and crystallizable polymers of propylene

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Propylene olefin copolymers

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Elastic blends comprising crystalline polymer and crystallizable polymers of propylene

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Elastic blends comprising crystalline polymer and crystallizable polymers of propylene

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Crystalline propylene-hexene and propylene-octene copolymers

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Propylene alpha-olefin polymers

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Thermoplastic polymer blends of isotactic polypropylene and alpha-olefin/propylene copolymers

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Thermoplastic polymer blends of isotactic polypropylene and alpha-olefin/propylene copolymers

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Thermoplastic polymer blends of isotactic polypropylene and alpha-olefin/propylene copolymers

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Thermoplastic polymer blends of isotactic polypropylene and alpha-olefin/propylene copolymers

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Thermoplastic polymer blends of isotactic polypropylene and alpha-olefin/propylene copolymers

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Thermoplastic polymer blends of isotactic polypropylene and alpha-olefin/propylene copolymers

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Propylene alpha-olefin polymer blends

Improved thermoplastic polymer blend compositions comprising an isotadtic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Process for producing propylene alpha-olefin polymers

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Alpha-olefin/propylene copolymers and their use

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Alpha-Olefin/Propylene Copolymers and Their Use

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Thermoplastic polymer blends of isotactic polypropylene and alpha-olefin/propylene copolymers

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Elastic blends comprising crystalline polymer and crystallizabe polymers of propylene

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Elastic blends comprising crystalline polymer and crystallizable polymers of propylene

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Elastic blends comprising crystalline polymer and crystallizable polymers of propylene

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Propylene olefin copolymers

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Elastic blends comprising crystalline polymer and crystallizable polymers of propylene

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Elastic blends comprising crystalline polymer and crystallizable polymers of propylene

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Elastic blends comprising crystalline polymer and crystallizable polymers of propylene

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comprising from about 35% to about 85% isotactic polypropylene and from about 30% to about 70% of an ethylene and propylene copolymer, wherein said copolymer comprises isotactically crystallizable propylene sequences and is predominately propylene. The resultant blends manifest unexpected compatibility characteristics, increased tensile strength, and improved process characteristics, e.g., a single melting point.

Reactive hot melt adhesive composition for insulating glass

Melt adhesive compositions containing a mixture of at least one reactive binder based on silane-functional polyisobutylene, hydrated polybutadiene and/or poly- alpha -olefines and a non-reactive binder from the group of butyl rubbers, poly- alpha -olefines and a non-reactive binder from the group of butyl rubbers, poly- alpha -olefines, polybutenes, styrene block copolymers or diene polymers may be used as one or two-part adhesives/sealants for the production of double glazing. Here, no separate spacer of metal or plastic sections are needed. As the entire edge bond consists of a uniform material, on the one hand the production process for the double-glazing units can be greatly simplifed and on the other the uniform material can be subjected particularly easily to a recycling process after a double-glazing unit has been dismantled, as it not a composite material.

Positionable adhesive system with high shear strength

A positionable aqueous adhesive composition is provided, comprising a blend or mixture of (a) an aqueous suspension of hollow, polymeric, inherently tacky elastomeric microspheres, and (b) an aqueous film-forming pressure sensitive adhesive latex. The adhesive is positionable, in that it allows for positional adjustment after application to a receptor, yet displays high peel adhesion and shear strength.

Plasticized polypropylene thermoplastics

The invention is directed to a plasticized polypropylene thermoplastic composition comprising a blend of A) from 50 to 99.9 wt % of a thermoplastic polymer derived from polypropylene, optionally with one or more copolymerizable monomer selected from C2-C10 α-olefin or diolefin, said polymer having a melt flow rate (MFR) (ASTM D1238) of from 0.5 to 1000 and a crystallinity by differential scanning calorimetry of from 0 to 70 %; B) from 0.1 to 50 wt % of at least one ethylene copolymer having a weight-average molecular weight (Mw) (GPC) of from 500 to 10,000, a molecular weight distribution (MWD) (GPC) of from greater than 1.5 to less than or equal to 3.5, and a comonomer content of from greater than or equal to 20 mol % to less than 70 mol %; and optionally, C) from 0 to 20 wt % of a thermoplastic polypropylene modifier compound other than that of B).

Non-flammable and non-combustible adhesive bonding systems having adherence to low energy surfaces

This invention relates to (meth)acrylate based polymerizable compositions and adhesive systems prepared therefrom, which include an initiator system comprising a complex of an organoborane with a complexing agent, an aziridine-containing compound, and a carrier material with which the initiator system is unreactive and which renders the composition having a flash point above 140° F. The inventive compositions desirably have a flash point above 200° F., for each of the parts of the adhesive system. To achieve the physical properties of the inventive compositions and adhesive systems, it is desirable for the carrier material to have such flash points; however, provided that in their entirety the inventive compositions and adhesive systems have such flash points, it is not necessary for the carrier material itself to have such flash points. The inventive compositions and adhesive systems also include a package for controlling the rate of cure and indicating the extent of cure. The inventive compositions and adhesive systems are particularly well suited to bonding applications which involve at least one low energy bonding surface, for example, polyolefin, polyethylene, and polypropylene surfaces.

Reinforcing system for reinforcing a cavity of a structural element

In the case of a reinforcing system (1, 21) for reinforcing a cavity (16) of a structural element (21), a support element (2) is connected to the structural element in the structural element for reinforcement purposes. The support element has channels, an adhesive is disposed in the cavity between the support element and the structural element, and the adhesive can be introduced into the cavity between the support element and the structural element by means of the channels.

Polypropylene/ethylene polymer fiber having improved bond performance and composition for making the same

The subject invention is directed to fibers and polymer blend compositions having improved bonding performance. In particular, the subject invention pertains to a multiconstituent fiber comprising a blend of a polypropylene polymer and a high molecular weight (i.e. low melt index or melt flow) ethylene polymer. The subject invention further pertains to the use of the fiber and polymer blend composition which has improved bonding performance in various end-use applications, especially woven and nonwoven fabrics such as, for example, disposable incontinence garments and diapers. The fibers have good spinnability and provide fabrics having improved bond strength and elongation.

Blend functionalized polyolefin adhesive

Disclosed herein is an adhesive composition comprising a blend functionalized with a functional group, wherein the blend comprises a C3 to C40 olefin polymer and an additive, the C3 to C40 olefin polymer comprising at least 50 mol % of one or more C3 to C40 olefins, and where the C3 to C40 olefin polymer has: a Dot T-Peel of 1 Newton or more on Kraft paper; an Mw of 10,000 to 100,000; and a branching index (g′) of 0.98 or less measured at the Mz of the polymer when the polymer has an Mw of 10,000 to 60,000, or a branching index (g′) of 0.95 or less measured at the Mz of the polymer when the polymer has an Mw of 10,000 to 100,000. A process of producing the adhesive composition, as well as methods of utilizing the adhesive composition are also disclosed.

Polyolefin compositions and articles prepared therefrom, and methods for making the same

The invention provides a composition comprising at least one olefin multi-block interpolymer; at least one functionalized olefin-based polymer; and optionally at least one thermoplastic polyurethane. The invention also provides for articles prepared from the inventive compositions and for methods for making the same.

Functionalized olefin polymers, compositions and articles prepared therefrom, and method of making the same

In one aspect the invention provides a melt process for preparing a functionalized olefin multiblock interpolymer, said process comprising grafting onto the backbone of the olefin multiblock interpolymer at least one compound comprising at least one “amine-reactive” group to form a grafted olefin multiblock interpolymer, and reacting a primary-secondary diamine or an alkanolamine with the grafted olefin multiblock interpolymer, without the isolation of the grafted olefin multiblock interpolymer.

Functionalized olefin polymers, compositions and articles prepared therefrom, and method of making the same

In one aspect the invention provides a melt process for preparing a functionalized olefin multiblock interpolymer, said process comprising grafting onto the backbone of the olefin multiblock interpolymer at least one compound comprising at least one “amine-reactive” group to form a grafted olefin multiblock interpolymer, and reacting a primary-secondary diamine or an alkanolamine with the grafted olefin multiblock interpolymer, without the isolation of the grafted olefin multiblock interpolymer.

Functionalized olefin polymers, compositions and articles prepared therefrom, and methods for making the same

The present invention relates to a composition comprising at least one polar or non polar polymer and a functionalized ethylene/α-olefin multiblock interpolymer, and to a process to prepare such an imide functionalized ethylene/α-olefin multiblock interpolymer.

Functionalized olefin polymers, compositions and articles prepared therefrom, and methods for making the same

The invention is directed to a process for preparing an imide functionalized olefin multiblock interpolymer.

Polyolefin compositions and articles prepared therefrom, and methods for making the same

The invention provides a composition comprising at least one olefin multi-block interpolymer; at least one functionalized olefin-based polymer; and optionally at least one thermoplastic polyurethane. The invention also provides for articles prepared from the inventive compositions and for methods for making the same.

Polyolefin compositions and articles prepared therefrom, and methods for making the same

The invention provides a composition comprising at least one olefin multi-block interpolymer; at least one functionalized olefin-based polymer; and optionally at least one thermoplastic polyurethane. The invention also provides for articles prepared from the inventive compositions and for methods for making the same.

Ethylene α-olefin elastomeric polymer compositions having improved extrusion processibility

Extruded shapes, profiles and parts in general based on an ethylene, alpha-olefin elastomeric polymer are manufactured utilizing a tailored approach to polymerization, leading to a polymer that delivers all of the benefits of metallocene based polymers, but without the drawbacks. Additionally, the ethylene, alpha-olefin elastomeric polymer has a broader molecular weight distribution than generally available from metallocene catalyzed elastomeric polymers.

Petroleum resins and their production with BF3 catalyst

Petroleum resins are produced using a supported BF 3 cocatalyst complex. Preferably the cocatalyst is organic such as an alcohol or a carboxylic acid. Use of the catalyst in supported form together with the cocatalyst enables control over both Bronsted and Lewis acidity leading to better control of resin properties. Waste disposal and catalyst handling problems are also overcome.

Films produced from substantially linear homogeneous olefin polymer compositions

The subject invention provides a film having at least one layer comprising an interpolymer of ethylene and at least one comonomer selected from the group consisting of C 3 -C 20 α-olefins, dienes, and cycloalkenes, wherein the interpolymer is characteried as having a high degree of processability good optical performance, and good mechanical properties. The subject invention further provides film fabrication processes and polymer compositions which are useful in preparing the subject films.

Adhesive alpha-olefin inter-polymers

The invention relates to novel adhesive alpha-olefin inter-polymers which are largely amorphous and have a rheological behavior that makes them suitable for adhesive use, both without and with minimized amounts of tackifying resins. Specifically, the invention poly-alpha olefin inter-polymer may be composed of A) from 60 to 94 mol % of units derived from one alpha mono-olefin having from 3 to 6 carbon atoms and B) from 6 to 40 mol % of units derived from one or more other mono-olefins having from 4 to 10 carbon atoms and at least one carbon atom more than A); and C) optionally from 0 to 10 mol % of units derived from another copolymerizable unsaturated hydrocarbon, different from A) and B); the diad distribution of component A in the polymer as determined by 13 C NMR as described herein showing a ratio of experimentally determined diad distribution over the calculated Bernoullian diad distribution of less than 1.07; and the storage modulus G′ of said polymer, determined upon cooling as described herein, intersecting a value of 3.10 5 Pa at a temperature of less than 85° C. The invention also describes polymerization processes suitable for the manufacture of these adhesive alpha-olefin inter-polymers.

Adhesive alpha-olefin inter-polymers

The invention relates to novel adhesive alpha-olefin inter-polymers which are largely amorphous and have a rheological behavior that makes them suitable for adhesive use, both without and with minimzed amounts of tackifying resins. Specifically, the invention poly-alpha olefin inter-polymer may be composed of A) from 60 to 94% of units derived from one alpha mono-olefin having from 3 to 6 carbon atoms and B) from 6 to 40 mol % of units derived from one or more other mono-olefins having from 4 to 10 carbon atoms and at least one carbon atom more than A); and C) optionally from 0 to 10 mol % of units derived from another copolymerizable unsaturated hydrocarbon, different from A) and B); the diad distribution of component A in the polymer as determined by 13 C NMR as described herein showing a ratio of experimentally determined diad distribution over the calculated Bernoullian diad distribution of less than 1.07; and the storage modulus G′ of said polymer, determined upon cooling as described herein, intersecting a value of 3.10 5 Pa at a temperature of less than 85° C. The invention also describes polymerization processes suitable for the manufacture of these adhesive alpha-olefin inter-polymers.