РЕЗИНОВАЯ СМЕСЬ ДЛЯ БОКОВОЙ РЕЗИНЫ И ПНЕВМАТИЧЕСКАЯ РАДИАЛЬНАЯ ШИНА ПОВЫШЕННОЙ ПРОЧНОСТИ

Изобретение относится к резиновой смеси для боковой резины и к пневматической радиальной шине. Резиновая смесь для боковой резины содержит 35-55 мас.ч. наполнителя, по меньшей мере, содержащего сажу, имеющую коэффициент поглощения дибутилфталата не ниже, чем 105 мл/100 г и удельную поверхность адсорбции азота не ниже, чем 40 м2/г на 100 мас.ч. каучукового компонента, состоящего из, по меньшей мере, двух или более из натурального каучука, синтетического полиизопренового каучука и другого синтетического каучука на основе диена. Резиновая смесь дополнительно содержит вулканизирующий агент, и количество указанной сажи в смеси составляет 15-55 мас.ч., и tan δ при 25°С и общее количество наполнителя в смеси удовлетворяет соотношению следующей формулы (I): . ! Резиновая смесь по изобретению имеет хорошую перерабатываемость и сниженные гистерезисные потери без ухудшения долговечности боковой резины и пневматическая шина имеет пониженное сопротивление качению. 2 н. и 2 з.п. ф-лы, 3 табл.

ТЕРМОПЛАСТИЧНАЯ КОМПОЗИЦИЯ И ИЗДЕЛИЯ, ИМЕЮЩИЕ ВЫСОКУЮ УДАРНУЮ ПРОЧНОСТЬ И ХОРОШИЙ ВИД

Изобретение относится к термопластичной формовочной композиции для изготовления формованных изделий. Композиция содержит, %: (А) 9,9-99,8 поликарбонатной смолы на основе бисфенола А; (В) 0,1-90 полиэтилентерефталата и (С) 0,1-30 привитого каучука, а также 0,1 мас.ч. термостабилизатора, 1 мас.ч. красителя и 0,7 мас.ч. УФ-абсорбера. Привитой каучук состоит из 30-80% субстрата и от 70 до 20% твердой привитой фазы. Привитую фазу получают сополимеризацией мономера из первой группы, состоящей из стирола, ос-метилстирола, галогенированного в кольце стирола и алкилированного в кольце стирола, и мономера из второй группы, содержащей (мет)акрилонитрил и малеиновый ангидрид, при массовом отношении указанных мономеров от 90:10 до около 50:50. Субстрат содержит, %: (С1) 1-50 ядра из сшитого полимеризованного винилового мономера и (С2) 50-99 оболочки из сшитого полимеризованного акрилата с температурой стеклования ниже 0°С. Изобретение позволяет получать изделия, характеризующиеся интенсивным блеском ...

РЕЗИНОВАЯ КОМПОЗИЦИЯ

Изобретение относится к способу прививки полимеров на основе сопряженных диеновых мономеров к бромированным бутилкаучукам и использования этих привитых сополимеров в резиновых композициях, которые после вулканизации приобретают улучшенные физические характеристики. Способ получения привитого сополимера бромированного бутилкаучука и полимера на основе сопряженного диолефинового мономера, включающий перемешивание твердого бромированного бутилкаучука с твердым полимером на основе сопряженного диолефинового мономера, включающего некоторое количество связей C-S-(S)n-C, где n является целым числом, равным от 1 до 7, при этом перемешивание проводят при температуре выше 50°С в течение времени, достаточного для осуществления прививки. Каучуковая композиция, содержащая привитой полимер, полученный вышеописанным способом, и необязательно один или больше агентов вулканизации. Вулканизованная каучуковая композиция, композиция, предназначенная для изготовления протекторов шин, формованное изделие, содержащие ...

ПОЛИАМИДНАЯ КОМПОЗИЦИЯ С МОДИФИЦИРОВАННОЙ УДАРНОЙ ВЯЗКОСТЬЮ

Изобретение относится к полиамидным композициям для получения формованных изделий. Композиция включает полиамид, сополимер олефина и малеинового ангидрида, представляющего собой чередующийся сополимер с молярным соотношением олефина к малеиновому ангидриду 1:1 и модификатор ударной вязкости, выбранный из группы, включающей эластомер привитого малеинового ангидрида и терполимер привитого малеинового ангидрида. Композиция может быть получена путем приготовления маточной смеси, включающей сополимер олефина и малеинового ангидрида, представляющего собой чередующийся сополимер с молярным соотношением олефина к малеиновому ангидриду, составляющим 1:1, и последующее компаундирование маточной смеси с полиамидом и модификатором ударной вязкости, выбранный из группы, включающей эластомер привитого малеинового ангидрида и терполимер привитого малеинового ангидрида. Технический результат - повышенная ударная вязкость при комнатной температуре и при низкой температуре в сочетании с дополнительными превосходными ...

ЖИДКАЯ КОМПОЗИЦИЯ, СОДЕРЖАЩАЯ МНОГОСТАДИЙНЫЙ ПОЛИМЕР, СПОСОБ ЕЕ ПОЛУЧЕНИЯ И ПРИМЕНЕНИЕ

Изобретение относится к жидкой композиции с гомогенной дисперсией многостадийного полимера, пригодной для полимеризации и модификации ударопрочности полимеров, содержащей a) (мет)акриловый полимер (P1), содержащий по меньшей мере 50% масс. мономеров, выбранных из C1-C12алкил(мет)акрилатов, b) многостадийный полимер в виде частиц ядро-оболочка, содержащий (а) полимер (А1), полученный со стадии (А), имеющий температуру стеклования ниже 0°C, и (b) полимер (B1), полученный со стадии (B), имеющий температуру стеклования от 30°C до 150°C, и c) мономер (M1), выбранный из (мет)акриловых мономеров и/или виниловых мономеров и их смесей, где массовое отношение многостадийного полимера к мономеру в жидкой композиции составляет от 2/98 до 24/76, и причем (мет)акриловый полимер (P1) имеет среднемассовую молекулярную массу Mw менее 100000 г/моль. Изобретение также касается способа получения жидкой композиции и применений жидкой композиции. Технический результат - гомогенность дисперсии многостадийного ...

ПОЛИКАРБОНАТНЫЕ ФОРМОВОЧНЫЕ МАССЫ

Изобретение относится к термопластичной композиции с повышенной устойчивостью при переработке для изготовления формованных изделий. Термопластичная композиция содержит, в мас.ч.: А) от 10 до 90 ароматического поликарбоната и/или полиэфиркарбоната; В) от 10 до 90 по меньшей мере одного соединения, выбранного из группы, состоящей из: модифицированного каучуком привитого сополимера (В.1) или прекомпаунда или смеси из (В.1) со свободным от каучука (со)полимером (В.2) по меньшей мере одного из мономеров, выбранного из группы, состоящей из винилароматических соединений, винилцианидов, алкилового эфира (мет)акриловой кислоты с 1-8 атомами углерода в алкиле, ненасыщенных карбоновых кислот, а также ангидридов и имидов ненасыщенных карбоновых кислот; С) от 0,005 до 0,15 в пересчете на 100 мас. частей суммы компонентов А и В, по меньшей мере одной алифатической и/или ароматической карбоновой кислоты и D) по меньшей мере одной добавки. Причем компонент С или добавляют в расплав, содержащий компоненты ...

ПОЛИМЕРНАЯ КОМПОЗИЦИЯ, СПОСОБ ЕЕ ПОЛУЧЕНИЯ, ЕЕ ПРИМЕНЕНИЕ И СОДЕРЖАЩАЯ ЕЕ КОМПОЗИЦИЯ

Настоящее изобретение относится к полимерной композиции, применяемой в качестве маточной смеси, например в термоотверждающихся смолах, способу получения композиции, к эпоксидной смоле, содержащей эту полимерную композицию и способу получения этой эпоксидной смолы. Полимерная композиция содержит эпоксидную смолу, кора является твердой при температуре ниже 25°С и получаемый многостадийной полимеризацией полимер. Полимер, получаемый многостадийной полимеризацией имеет форму сферических частиц и содержит одну фазу (А) содержащую полимер (А1), имеющий температуру стеклования менее 0°С и одну фазу (В), содержащую полимер (В1), имеющий температуру стеклования не менее 30°С. Полимерную композицию, содержащую эпоксидную смолу и получаемый многостадийной полимеризацией полимер, получают посредством распылительной сушки или коагуляции. Изобретение обеспечивает эффективное и однородное распределение получаемого многостадийной полимеризацией полимера в эпоксидных смолах. 5 н. и 15 з.п. ф-лы, 2 ил, 1 ...

УСИЛЕННЫЕ КАУЧУКОМ ВИНИЛАРОМАТИЧЕСКИЕ ПОЛИМЕРЫ

Настоящее изобретение относится к усиленным каучуком винилароматическим полимерам. Описаны усиленные каучуком винилароматические (со)полимеры, обладающие строго бимодальной морфологией, которые состоят на 55-90% масс. из жесткой полимерной матрицы и на 10-45% масс. из каучукообразной фазы, диспергированной внутри указанной жесткой полимерной матрицы в виде привитых и окклюдированных частиц, и где указанные каучуковые частицы состоят на 60-99% масс. из частиц с морфологией типа капсулы или ядра-оболочки и на 1-40% масс. из частиц с морфологией типа салями, причем указанные процентные соотношения даны в расчете только на массу каучукообразных частиц, при этом разность между параметром растворимости по Гильдебранду эластомера, образующего каучукообразные частицы типа капсула, и параметром растворимости по Гильдебранду эластомера, образующего каучукообразные частицы типа салями, больше или равна 0,5, средний диаметр частиц типа ядра-оболочки находится в диапазоне от 0,10 до 0,30 мкм, а средний ...

КОМПОЗИЦИЯ АКРИЛ-СИЛИКОНОВОГО КОМПЛЕКСА, СПОСОБ ЕЕ ПОЛУЧЕНИЯ И ПРИМЕНЕНИЯ

Изобретение относится к акрил-силиконовому комплексному каучуковому полимеру, к способу его получения и применения. Акрил-силиконовый комплексный каучуковый полимер имеет структуру зародыш-сердцевина-оболочка, в которой винильный мономер и гидрофильный мономер сшиваются на зародыше; акрил-силиконовая комплексная сердцевина имеет взаимопроникающую сетчатую структуру, в которой частицы силиконового каучука диспергируются при сшивке с акриловым каучуком, в дисперсионной среде, образуется на зародыше. Оболочку получают привитой полимеризацией С1-С4-алкилметакрилата к акрил-силиконовой комплексной сердцевине, и она образуется на сердцевине с взаимопроникающей сеткой. Технический результат состоит в получении акрил-силиконового комплексного каучукового полимера, имеющего превосходные ударную прочность, атмосферостойкость и блеск, так что он может эффективно использоваться в качестве модификатора ударной прочности для винилхлоридной смолы. 5 н. и 9 з.п. ф-лы, 4 табл.

ОГНЕСТОЙКИЕ КОМПОЗИЦИИ С МОДИФИЦИРОВАННОЙ УДАРНОЙ ПРОЧНОСТЬЮ ИЗ ПОЛИАЛКИЛЕНТЕРЕФТАЛАТА/ПОЛИКАРБОНАТА

Изобретение может быть использовано для изготовления формованных изделий. Формованное изделие содержит формовочную композицую с модифицированной ударной прочностью, включающую ароматический поликарбонат, полиалкилентерефталат, привитой сополимеризат, модифицированный каучуком, и соль фосфиновой кислоты общей формулы,где Mпредставляет собой катион металла. Изобретение позволяет получить композиции с модифицированной ударной прочностью, обладающие высокой теплостойкостью, хорошей огнестойкостью и высоким значением модуля упругости. 2 н. и 15 з.п. ф-лы, 1 табл.

ОДНОСЛОЙНЫЙ КОНТЕЙНЕР С ЗАЩИТОЙ ОТ СВЕТА И СПОСОБ ЕГО ПОЛУЧЕНИЯ

Изобретение относится к однослойному пластиковому контейнеру, такому как, например, однослойная пластиковая бутыль. Контейнер содержит матрицу на основе термопластов и по меньшей мере два неорганических наполнителя со светозащитной функцией, диспергированных в матрице. Матрица образована по меньшей мере одним полукристаллическим полимером и одним аморфным полимером. В качестве поликристаллического полимера матрица содержит полиэтилентерефталат (РЕТ), а в качестве аморфного полимера – ударопрочный полистирол (HIPS). Отношение массы РЕТ к массе HIPS составляет от 10 до 50. Неорганические наполнители содержат диоксид титана (TiO) и алюминий (Al). Отношение массы TiOк массе Al составляет от 50 до 150. При этом конечный состав контейнера получается в результате смешивания РЕТ с концентрированной добавкой, содержащей HIPS и неорганические светозащитные наполнители. Обеспечивается высокий уровень защиты от света во всей видимой области спектра у легкого по массе контейнера. 2 н. и 8 з.п. ф-лы, ...

САМОЗАТУХАЮЩАЯ ПОЛИМЕРНАЯ КОМПОЗИЦИЯ

Изобретение относится к самозатухающей полимерной композиции. Описана самозатухающая полимерная композиция, содержащая: a) стабилизирующую полимерную композицию, содержащую: i) от 80 до 99,5 мас.% одного или более совместимых друг с другом винилароматических полимеров; и ii) от 0,5 до 20 мас.% по меньшей мере блок-сополимера, содержащего: 1) по меньшей мере блок винилароматического полимера, совместимый с (i), в количестве не менее 15 мас.%, по отношению к целому блок-сополимеру, а также 2) по меньшей мере блок винилового сополимера, содержащий эпоксидные группы, так чтобы масса оксиранового кислорода составляла от 0,7 до 19 мас.% по отношению к целому блок-сополимеру; и b) от 0,03 до 10 мас.ч. относительно компонента (а), по меньшей мере галогенированного замедляющего горение агента. Также описаны вспениваемые шарики, прессованные изделия и полимерные пены. Технический результат: получена самозатухающая полимерная композиция, содержащая галогенированные замедляющие агенты горения с повышенной ...

САМОЗАТУХАЮЩАЯ ПОЛИМЕРНАЯ КОМПОЗИЦИЯ

Настоящее изобретение относится к стабилизированным самозатухающим винилароматическим полимерным композициям. Описана самозатухающая полимерная композиция, содержащая: a) стабилизирующую полимерную композицию, содержащую: i. от 1 до 100 мас.%, по меньшей мере, сополимера, содержащего в качестве основного звена мономерные звенья, по меньшей мере, типа винилароматического мономера, а также содержащего мономерные звенья, по меньшей мере, типа винилового мономера, который содержит эпоксидные группы, где концентрация оксиранового кислорода, рассчитанная по отношению ко всему сополимеру (i), находится в интервале от 158 до 3940 м.д. по массе, ii. от 0 до 99 мас.% одного или более винилароматических полимеров, совместимых друг с другом, b) от 1,0 м.ч. до 8,7 м.ч., относительно компонента (а), по меньшей мере, галогенированного замедляющего горение агента. Также описаны вспениваемые шарики, компактные изделия, полимерные пены, вспененные изделия. Технический результат: получена композиция с повышенной ...

КОМПОЗИЦИЯ АКРИЛ-СИЛИКОНОВОГО КОМПЛЕКСА, СПОСОБ ЕЕ ПОЛУЧЕНИЯ И ПРИМЕНЕНИЯ

... 1. Акрил-силиконовый комплексный каучуковый полимер, который имеет ударную прочность 50-130 кг·см/см, блеск 50-70 и структуру зародыш-сердцевина-оболочка, где зародыш имеет сшивающуюся структуру винильного и гидрофильного мономера и получен полимеризацией 65-99 мас.ч. винильного мономера, 0,5-30 мас.ч. гидрофильного мономера и 0,5-5 мас.ч. мономера сшивающего агента; акрил-силиконовая комплексная ВПС(IPN)-сердцевина, имеющая взаимопроникающую сетку ((ВПС)(IPN)), в которой частицы силиконового каучука диспергируются при сшивке с акриловым каучуком, в дисперсионной среде, образуется на зародыше; и оболочка, полученная привитой полимеризацией одного или более С1-С4-алкилметакрилатов, выбранных из группы, состоящей из метилметакрилата, этилметакрилата, пропилметакрилата, бутилметакрилата и изопропилметакрилата, образуется на акрил-силиконовой комплексной ВПС(IPN)-сердцевине. 2. Акрил-силиконовый комплексный каучуковый полимер по п.1, в котором средний диаметр акрил-силиконового комплексного ...

ОГНЕСТОЙКАЯ ТЕРМОПЛАСТИЧЕСКАЯ ФОРМОВОЧНАЯ КОМПОЗИЦИЯ

... 1. Термопластическая формовочная композиция, содержащая ! A) от 60 до 99 массовых процентов (мас.%) ароматического поли(эфир)карбоната, имеющего средневесовую молекулярную массу, по меньшей мере, 25000, ! B) от 1 до 40 мас.% (со)полиэфира, где масса А) и В) составляет 100 ч. (100 ч. полимера), ! C) от 1 до 20 ч. на 100 ч. полимера (ч./сот.) привитого (со)полимера, имеющего морфологию ядра и оболочки, содержащего привитую оболочку, которая содержит полимеризованный алкил(мет)акрилат, и композитное полимерное ядро, которое содержит взаимнопроникнувшие и неразделимые полиорганосилоксановый и поли(мет)алкилакрилатный компоненты, где массовое соотношение полиорганосилоксан/поли(мет)алкилакрилат/жесткая оболочка составляет 70-90/5-15/5-15, ! D) от 2 до 20 ч./сот. фосфорсодержащего соединения, ! E) от 0,1 до 2 ч./сот. фторированного полиолефина, ! F) от 0,1 до 15 ч./сот. соединения бора, предпочтительно бората цинка, имеющего средний диаметр частиц от 2 до 10 мкм. ! 2. Композиция по п.1, где указанным ...

ФОРМОВАННЫЕ ИЗДЕЛИЯ С ВЫСОКИМ СВЕТОРАССЕЯНИЕМ И ВЫСОКИМ СВЕТОПРОПУСКАНИЕМ

... 1. Формовочная композиция, содержащая от 60 до 99,98 мас.% прозрачного термопластика, от 0,01 до 20 мас.% неорганических частиц на основе диоксида кремния со средневзвешенным размером частиц от 1 до 100 мкм и от 0,01 до 20 мас.% полимерных частиц на акрилатной основе с морфологией ядро-оболочка, при этом указанные полимерные частицы имеют средний размер частиц от 1 до 100 мкм. 2. Формовочная композиция по п.1, при этом неорганические частицы на основе диоксида кремния представляют собой аморфную кремневую кислоту, которая в водной суспензии имеет значение рН от 5 до 9. 3. Формовочная композиция по п.1 или 2, при этом прозрачным термопластиком является ароматический поликарбонат. 4. Формовочная композиция по п.3, при этом неорганические частицы на основе диоксида кремния представляют собой аморфную кремневую кислоту, которая в водной суспензии имеет значение рН от 5 до 9, и которые при компаундировании в количестве 5 мас.% в поликарбонат приводят к увеличению текучести (MVR) согласно ISO ...

Огнестойкие поликарбонатные составы

... 1. Составы, содержащие поликарбонат и/или полиэфиркарбонат и 0, 1-30 мас.ч. фосфонат-амина формулы (I) AЗ-у-N-BУ(I) в которой А представляет собой остаток формулы (Ia) или (Ib) где R1 и R2, независимо друг от друга, представляют собой незамещенный или замещенный алкил с 1-10 атомами углерода или незамещенный или замещенный арил с 6-10 атомами углерода; R3 и R4, независимо друг от друга, представляют собой незамещенный или замещенный алкил с 1-10 атомами углерода или незамещенный или замещенный арил с 6-10 атомами углерода, или R3 и R4 вместе представляют собой незамещенный или замещенный алкилен с 3-10 атомами углерода; y = 0, 1 или 2; В независимо представляет собой водород, при необходимости, галогенированный алкил с 2-8 атомами углерода, незамещенный или замещенный арил с 6-10 атомами углерода, и 0,1-20 мас.ч., по меньшей мере, одного фосфорного соединения общих формул (IIa), (IIb), (IIc) и (IId) где R1, R2, R3 и R4, независимо друг от друга, представляют собой, при необходимости, соответственно ...

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 ...

ТЕРМОПЛАСТИЧНАЯ КОМПОЗИЦИЯ С НИЗКОЙ СВЕТООТРАЖАЮЩЕЙ СПОСОБНОСТЬЮ И ХОРОШИМИ ПОКАЗАТЕЛЯМИ УДАРНОЙ ПРОЧНОСТИ ПРИ НИЗКОЙ ТЕМПЕРАТУРЕ

... 1. Термопластичная плавкая композиция, содержащая ! (A) от 10 до 90 мас.% из расчета на массу композиции (частей массы) ароматического (со)поли(эфирного)карбоната, ! (Б) от 10 до 90 мас.ч. первого привитого (со)полимера, содержащего основу для привитой сополимеризации и привитую фазу, при этом основа для привитой полимеризации содержит по крайней мере один каучук, выбираемый из группы, состоящей из полиуретановых, этилен-винилацетатных, силиконовых, этилен-пропилен-диеновых, этилен-пропиленовых, акрилатных, диеновых каучуков и полихлоропрена, ! (B) от 1 до 20 мас.ч. линейного полимера с функциональными группами глицидилового сложного эфира, включающего повторяющиеся структурные единицы на основе одного или нескольких глицидиловых сложноэфирных мономеров, ! (Г) от 1 до 20 мас.ч. второго привитого (со)полимера, содержащего ядерную и оболочечную составляющую, причем молекулярная структура ядерной составляющей включает всепроникающую сетчатую структуру из поли(мет)алкилакрилата и полиорганосилоксана ...

СВЕТОРАССЕИВАЮЩАЯ ПОЛИМЕРНАЯ КОМПОЗИЦИЯ С ВЫСОКОЙ ЯРКОСТЬЮ И ЕЕ ПРИМЕНЕНИЕ В ПЛОСКИХ ЭКРАНАХ

... 1. Полимерная композиция, содержащая около от 90 до 99,95 мас.% прозрачного полимера, около от 0,01 до 10 мас.% прозрачных полимерных частиц со средним диаметром, в основном составляющим от 1 до 100 мкм, и отличающейся от прозрачного полимера оптической плотностью, отличающаяся тем, что она содержит не более 500 млн-1 прозрачных полимерных частиц со средним диаметром от 80 до 200 нм. ! 2. Полимерная композиция по п.1, причем прозрачным полимером является поликарбонат. ! 3. Пленка, содержащая полимерную композицию по п.1 или 2. ! 4. Пленка по п.3, содержащая по меньшей мере один соэкструдированный слой. ! 5. Пленка по п.3, причем прозрачными полимерными частицами со средним диаметром, в основном составляющим от 1 до 100 мкм, и отличающейся от прозрачного полимера оптической плотностью являются частицы на акрилатной основе со структурой «ядро-облочка». ! 6. Пленка по одному из пп.3-5 толщиной от 0,035 до 1 мм. ! 7. Применение полимерной композиции по пп.1 и 2 для получения пленок толщиной ...

ОГНЕСТОЙКИЕ ПОЛИКАРБОНАТНЫЕ КОМПОЗИЦИИ С МОДИФИЦИРОВАННОЙ УДАРНОЙ ПРОЧНОСТЬЮ

... 1. Формовочная композиция, содержащая ! A) от 50 до 99,4 мас.ч. (в каждом из случаев в пересчете на сумму массовых частей компонентов А+В+С) ароматического поликарбоната и/или ароматического сложного полиэфиркарбоната, ! B) от 0,5 до 20 мас.ч. (в каждом из случаев в пересчете на сумму массовых частей компонентов А+В+С) привитого сополимеризата, модифицированного каучуком, полученного по способу эмульсионной полимеризации, ! C) от 0,1 до 30 мас.ч. (в каждом из случаев в пересчете на сумму массовых частей компонентов А+В+С) соли фосфиновой кислоты. ! 2. Формовочная композиция по п.1, содержащая от 2 до 6 мас.ч. (в каждом из случаев в пересчете на сумму массовых частей компонентов А+В+С) привитого сополимеризата, модифицированного каучуком, согласно компоненту В). ! 3. Формовочная композиция по п.1, содержащая от 7 до 12 мас.ч. (в каждом из случаев в пересчете на сумму массовых частей компонентов А+В+С) соли фосфиновой кислоты. ! 4. Формовочная композиция по одному из пп.1-3, содержащая от ...

КОМПОЗИЦИЯ НА ОСНОВЕ ТЕРМОПЛАСТИЧНОЙ СМОЛЫ И ИЗДЕЛИЕ, ОТФОРМОВАННОЕ ИЗ ЭТОЙ КОМПОЗИЦИИ

ТЕРМОПЛАСТИЧНАЯ КОМПОЗИЦИЯ С НИЗКОЙ СВЕТООТРАЖАЮЩЕЙ СПОСОБНОСТЬЮ И ХОРОШИМИ ПОКАЗАТЕЛЯМИ УДАРНОЙ ПРОЧНОСТИ ПРИ НИЗКОЙ ТЕМПЕРАТУРЕ

Изобретение относится к пригодной для изготовления изделий термопластичной композиции с низкой светоотражающей способностью и высокой ударной прочностью при низких температурах. Композиция содержит (А) от 10 до 90% из расчета на массу композиции (частей массы) гомополикарбоната на основе бисфенола, (Б) от 10 до 90 частей массы первого привитого (со)полимера. Привитый сополимер содержит основу для привитой сополимеризации, выбранной из группы, состоящей из полиуретановых, этилен-винилацетатных, силиконовых, этилен-пропилен-диеновых каучуков, этилен-пропиленовых каучуков, акрилатных каучуков, диеновых каучуков и полихлоропрена. Первый привитый сополимер содержит от 3 до 50% каучуковой компоненты. Привитая фаза содержит от 49 до 96% полимеризованного моновинилиденового ароматического мономера и от 1 до 48% моноэтиленового ненасыщенного полярного мономера. При этом проценты относятся к массе первого привитого (со)полимера. Композиция также содержит от 1 до 20 частей массы линейного полимера ...

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 ...

ПОЛИКАРБОНАТНЫЕ КОМПОЗИЦИИ С МОДИФИЦИРОВАННОЙ УДАРНОЙ ВЯЗКОСТЬЮ, ВЫСОКОЙ УСТОЙЧИВОСТЬЮ К ГИДРОЛИЗУ И СВЕТЛОЙ НАТУРАЛЬНОЙ ОКРАСКОЙ

... 1. Формовочная композиция, содержащая А) ароматический поликарбонат и/или ароматический сложный полиэфиркарбонат, В) привитой сополимер, который может быть получен путем соосаждения смеси по меньшей мере двух дисперсий привитых сополимеров В.1 и В.2, отличающаяся тем, что привитой сополимер В.1 получают с использованием в качестве инициатора по меньшей мере одной окислительно-восстановительной системы, тогда как привитой сополимер В.2 получают с использованием в качестве инициатора по меньшей мере одного персульфатного соединения, и Е) фенольный антиоксидант, причем в композиции отсутствуют стабилизаторы (компонент Е) и состабилизаторы, содержащие функциональные группы с основным или кислотным характером. ! 2. Формовочная композиция по п.1, содержащая ! A) от 10 до 99 мас.ч. ароматического поликарбоната и/или ароматического сложного полиэфиркарбоната, ! B) от 1 до 50 мас.ч. привитого сополимера, который может быть получен путем соосаждения смеси по меньшей мере двух дисперсий привитых сополимеров ...

ОГНЕСТОЙКИЕ КОМПОЗИЦИИ С МОДИФИЦИРОВАННОЙ УДАРНОЙ ПРОЧНОСТЬЮ ИЗ ПОЛИАЛКИЛЕНТЕРЕФТАЛАТА/ПОЛИКАРБОНАТА

... 1. Формовочная композиция, содержащая: ! A) от 41 до 97 мас.ч. (в каждом из случаев в пересчете на сумму массовых частей компонентов A+B+C+D) ароматического поликарбоната, ! B) от 2 до 19 мас.ч. (в каждом из случаев в пересчете на сумму массовых частей компонентов A+B+C+D) полиалкилентерефталата, ! C) от 0,5 до 15 мас.ч. (в каждом из случаев в пересчете на сумму массовых частей компонентов A+B+C+D) привитого сополимеризата, модифицированного каучуком, ! D) от 0,5 до 25 мас.ч. (в каждом из случаев в пересчете на сумму массовых частей компонентов A+B+C+D) соли фосфиновой кислоты. ! 2. Формовочная композиция по п.1, содержащая от 4 до 17 мас.ч. (в каждом из случаев в пересчете на сумму массовых частей компонентов A+B+C+D) полиалкилентерефталата, согласно компоненту В). ! 3. Формовочная композиция по п.1, содержащая от 7 до 12 мас.ч. (в каждом из случаев в пересчете на сумму массовых частей компонентов A+B+C+D) соли фосфиновой кислоты согласно компоненту D). ! 4. Формовочная композиция по п ...

ПРИМЕНЕНИЕ МОДИФИКАТОРОВ УДАРОПРОЧНОСТИ С ВЫСОКИМ СОДЕРЖАНИЕМ КАУЧУКА В ТЕРМОПЛАСТИЧНЫХ СОСТАВАХ

ПОЛУЧАЕМЫЙ МНОГОСТАДИЙНОЙ ПОЛИМЕРИЗАЦИЕЙ ПОЛИМЕР, ЕГО СОСТАВ, СПОСОБ ЕГО ПОЛУЧЕНИЯ, ЕГО ПРИМЕНЕНИЕ И СОДЕРЖАЩАЯ ЕГО КОМПОЗИЦИЯ

Огнестойкие поликарбонатные формовочные массы

... 1. Состав, содержащий поликарбонат и/или полиэфиркарбонат и от 0,1 до 30 мас.ч. фосфонат-амина общей формулы (I) А3-y-N-By (I) при этом А представляет собой или R1 и R2, независимо друг от друга, представляют собой незамещенный или замещенный алкил с 1-10 атомами углерода или незамещенный или замещенный арил с 6-10 атомами углерода; R3 и R4, независимо друг от друга, представляют собой незамещенный или замещенный алкил с 1-10 атомами углерода или незамещенный или замещенный арил с 6-10 атомами углерода, или R3 и R4 вместе представляют собой незамещенный или замещенный алкилен с 3-10 атомами углерода; у имеет численные значения 0, 1 или 2; В независимо представляет собой водород, при необходимости, галогенированный алкил с 2-8 атомами углерода, незамещенный или замещенный арил с 6-10 атомами углерода. 2. Состав по п.1, содержащий A) от 5 до 95 мас.ч. ароматического поликарбоната или полиэфиркарбоната, B) от 1 до 60 мас.ч. привитого сополимера из В.1) от 5 до 95 мас.% одного или нескольких ...

МНОГОСЛОЙНЫЙ КОМПОЗИТ, СОДЕРЖАЩИЙ СЛОЙ СЛОЖНОГО ПОЛИЭФИРА

Полимерные композиции с улучшенной стабильностью свойств

... 1. Полимерные композиции, содержащие, I) по крайней мере, один привитой каучуковый сополимер, полученный эмульсионной полимеризацией стирола и акрилонитрила в массовом соотношении 95:5 до 50:50, причем стирол и/или акрилонитрил могут быть полностью или частично заменены α -метилстиролом, метилметакрилатом или N-фенилмалеинимидом или смесью из них, в присутствии полибутадиенового латекса (А) с средним диаметром частиц d50 от 80 до 220 нм, II) по крайней мере, один привитой каучуковый сополимер, полученный эмульсионной полимеризацией стирола и акрилонитрила в массовом соотношении 95:5 до 50:50, причем стирол и/или акрилонитрил могут быть полностью или частично заменены α-метилстиролом, метилметакрилатом или N-фенилмалеинимидом или смесью из них, в присутствии полибутадиенового латекса (Б) с средним диаметром частиц d50 от 340 до 480 нм, III) по крайней мере, один не содержащий каучука, сополимер из стирола и акрилонитрила в массовом соотношении 95:5 до 50:50, причем стирол и/или акрилонитрил ...

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 ...

МНОГОСЛОЙНЫЙ КОМПОЗИТ, СОДЕРЖАЩИЙ СЛОИ ИЗ ПОЛУАРОМАТИЧЕСКИХ ПОЛИАМИДОВ

Порошковые эпоксидные композиции для покрытий, способы и изделия

... 1. Порошковая композиция для покрытий, содержащая компоненты, включающие:твердую способную к поперечной сшивке эпоксидную смолу;частицы каучука структуры сердцевина-оболочка в количестве не более, чем 10 мас.%, исходя из общей массы композиции для покрытий;отверждающий агент; иматериал наполнителя в количестве, по меньшей мере, 25 мас.%, исходя из общей массы композиции для покрытий;при этом компоненты выбраны и использованы в количествах, обеспечивающих отвержденное покрытие, не имеющее уменьшения плотности, либо в случае наличия уменьшения плотности, оно составляет не более чем 15%, относительно теоретической плотности композиции для покрытий.2. Порошковая композиция для покрытий по п. 1, отличающаяся тем, что компоненты выбраны и использованы в количествах, обеспечивающих отвержденное покрытие, имеющее плотность, уменьшенную не более чем на 10% относительно теоретической плотности композиции для покрытий.3. Порошковая композиция для покрытий по п. 2, отличающаяся тем, что твердая способная ...

Термопластичная композиция

Термопластичная формовочная композиция

Полимерная композиция

Flammhemmende thermoplastische Harzzusammensetzungen

SCHLAGZAEHE THERMOPLASTISCHE MASSEN

THERMOPLASTISCHE FORMMASSEN AUF BASIS VON POLYPHENYLENETHERN UND SCHLAGFEST MODIFIZIERTEM POLYSTYROL

Flame-resistant moulding with good durability - comprising styrene]-acrylonitrile]-copolymer, graft polymer, organic halogen-contg. flame-retardant, inorganic cpd., particulate ptfe, etc.

Moulding (I) comprises: (i) 35-90 wt.% styrene-acrylonitrile-copolymer A; (ii) 5-60 wt.% graft polymer B prepd. by grafting a mixt. of styrene and acrylonitrile onto a diene- or acrylate rubber; (iii) 1-30 wt.% organic halogen-contg. flame-retardant C; (iv) 0.5-8 wt.% inorganic gp. 5 cpds. D; (v) 0.05-0.5 wt.% particulate tetrafluoroethylene-polymer E; (vi) 0-10 wt.% (pref. 0.5-5 wt.%) phosphorous cpd. F. (I) is prepd. by mixing an aq. dispersion of E (average particle size, 0.05-20 microns) with at least one additional component A-D as a solid or melt and finally with the remaining components. ADVANTAGE - (I) are flame-resistant and contain minimal amount of flame-retardant and have good durability.

SCHLAGZAEHE THERMOPLASTISCHE FORMMASSEN AUS AROMATISCHEN POLYETHERSULFONEN UND POLYALKYLENTEREPHTHALATEN

Thermoplastische Harzzusammensetzung

PFROPFCOPOLYMER UND STYROLHARZ-ZUSAMMENSETZUNG.

Bindemittel für mit Metall verstärkte Gürtel

THERMOPLASTISCHE FORMMASSE AUF BASIS VON ABS.

Compsns. (I) contain, on wt. (all pts. wt.) A + B + C A) 3-40% at least one graft mixed polymer B) 7-70% at least one further graft mixed polymer C) 20-90% copolymer of at least one 8-12C vinyl aromatic monomer (II) and at least one monoethylenically unsatd. monomer (III). A comprises a1) 50-80%, on A, elastomer based on polybutadiene or butadiene copolymer as core polymer and a2) 20-50%, on A, shell polymer, average particle size 0.2-1 micron (d50 value of integral mass distribution), made in 2 stages from at least one (II) and at least one (III) by grafting in first stage only (II) in amt. of 5-50% a2) then, in presence of this prod., grafting in second stage 50-95% mixt. of (II) and (III) in ratio 90:10-60:40. B comprises b1) 40-70%, on B, elastomer based on homopolybutadiene.

Formbare kristalline Polyesterzusammensetzung

SCHLAGZÄHMODIFIZIERTE BLENDS

Verfahren zur Herstellung von Mischungen thermoplastischer Polymerisate in Pulverform.

Flammwidrig ausgerüstete, chlor- und bromfreie Polycarbonat-ABS-Formmassen

Transparente Formmasse

TRANSPARENTE, SCHLAGZÄHMODIFIZIERTE THERMOPLASTISCHE FORMMASSEN

SCHLAGZAEHE POLYMERZUSAMMENSETZUNGEN.

PHOSPHORESZIERENDE THERMOPLASTISCHE MASSE

VERWENDUNG VON ZUSAMMENSETZUNGEN AUF BASIS SCHLAGZÄHMODIFIZIERTER POLYALKYLENTEREPHTALAT/POLYCARBONAT BLENDS ZUR HERSTELLUNG VON FORMKÖRPERN

THERMOPLASTISCHE FORMMASSEN AUS ABS UND HYDRIERTEM NITRILKAUTSCHUK

KAUTSCHUKMODIFIZIERTE STYROLHARZZUSAMMENSETZUNG

SCHLAGZAEH-MODIFIZIERUNGSMITTEL FUER POLYCARBONAT

FLAMMHEMMENDE POLYCARBONAT/ABS PFROPFCOPOLYMER-MISCHUNGEN

STYROLHALTIGE THERMOPLASTISCHE HARZZUSAMMENSETZUNG

THERMOPLASTISCHE FORMMASSE AUF BASIS VON POLYCARBONAT, ASA UND VINYLAROMATEN/AN ENTHALTENDEN COPOLYMERISATEN

THERMOPLASTISCHE HARZZUSAMMENSETZUNG MIT MATTEM AUSSEHEN.

Stromloses plattierungsfähiges feuerfestes Polyphenylenetherharz.

THERMOPLASTISCHE FORMMASSE MIT VERBESSERTEM SPANNUNGSRISSVERHALTEN

Wärmebeständige schlagfeste Polystyrolzusammensetzungen.

OPAKES HOCHSCHLAGFESTES METHYLMETHACRYLAT-BUTADIEN-STYROL-POLYMER ZUR VERBESSERUNG DER SCHLAGFESTIGKEIT VON POLYVINYLCHLORID UND VERFAHREN ZU DESSEN HERSTELLUNG

Die vorliegende Erfindung gibt ein opakes hochschlagfestes Methylmethacrylat-Butadien-Styrol(MBS)-Polymer zur Verbesserung der Schlagfestigkeit von Polyvinylchlorid (PVC) und ein Herstellungsverfahren dafür an und gehört zum technischen Gebiet der Herstellung von PVC-Zusätzen. Das durch die vorliegende Erfindung angegebene MBS schließt, bezogen auf Masse, die folgenden Komponenten ein: 80-95 % Kernschicht;, 4-20 % Schalenschicht und 0,001-0,05 % Schutzkolloid, wobei die Kernschicht ein Polymer aus Butadien (B) und Styrol (S) ist; die Schalenschicht eines oder ein Copolymer aus zwei oder drei von S, Acrylat und Methylmethacrylat (MMA) ist; das Schutzkolloid eines oder eine Verbindung aus zwei oder drei von Polyvinylalkohol (PVA), Gelatine und Hydroxypropylmethylcellulose (HPMC) einschließt. Die vorliegende Erfindung löst die Probleme der geringen Schlagfestigkeit in dem heutigen MBS-Produkt und der schwierigen Koagulation oder Versprühung im Nachbehandlungsprozess.

Schlagzähmodifizierte Polycarbonat-Zusammensetzungen

Die vorliegende Erfindung betrifft Zusammensetzungen, enthaltend A) 10-99 Gew.-Teile aromatisches Polycarbonat und/oder aromatisches Polyestercarbonat, B) 1-35 Gew.-Teile kautschukmodifiziertes Pfropfpolymerisat von B.1 5 bis 95 wenigstens eines Vinylmonomeren auf B.2 95 bis 5 einer oder mehrerer Pfropfgrundlagen mit einer Glasübergangstemperatur < 10°C, C) 0-40 Gew.-Teile Vinyl(Co)Polymerisat und/oder Polyalkylenterephthalat, wobei ein Copolymerisat aus alpha-Methystyrol und Acrylnitril-ausgenommen ist, D) 0-50 Gew.-Teile, bezogen auf die Summe der Komponenten A + B + C, phosphorhaltiges Flammschutzmittel, E) 0-50 Gew.-Teile, bezogen auf die Summe der Komponenten A + B + C, Zusatzstoffe, dadurch gekennzeichnet, dass Komponente B erhältlich ist durch Reaktion der Komponente B.1 mit der Pfropfgrundlage B.2 mittels Emulsionspolymerisation, wobei ein Emulgator gemäß Formel (I) eingesetzt wird, $F1 wobei sich diese Zusammensetzungen durch eine hohe Hydrolysenbeständigkeit auszeichnen, und die ...

Polymerisationsgemisch bzw.-legierung

Polycarbonat-Formmassen

Zusammensetzungen, enthaltend DOLLAR A C) 40 bis 99,5 Gew.-Teile aromatisches Polycarbonat und/oder Polyestercarbonat und DOLLAR A D) 0,5 bis 60 Gew.-Teile Pfropfpolymerisat, mit einer von Polybutadienkautschuk verschiedenen Pfropfgrundlage, DOLLAR A dadurch gekennzeichnet, dass es sich bei dem Polycarbonat oder Polyestercarbonat um ein verzweigtes Polymer handelt, welches auf trifunktionellen oder tetrafunktionellen phenolischen Monomereinheiten als Verzweiger basiert, die als polymerisationsfähige funktionelle Gruppen auch Amin-Funktionalitäten enthalten können.

Homogen durchgefärbte Zusammensetzungen auf Basis schlagzähmodifizierten Polyalkylenterephthalat/Polycarbonat Blends

Die vorliegende Erfindung betrifft eingefärbte Zusammensetzungen auf Basis schlagzähmodifizierten Polyalkylenterephthalat/Polycarbonat-Blends und daraus hergestellte Formmassen, Halbzeuge und Formteile, die unlackiert oder nur mit einem transparenten Klarlack beschichtet beispielsweise für Kfz-Außenanwendungen eingesetzt werden.

Flammhemmende thermoplastische Harzzusammensetzung

Thermoplastische Formmassen

FLAMMHEMMENDE POLYCARBONAT/KAUTSCHUKMODIFIZIERTE PFROPFCOPOLYMERMISCHUNG MIT METALLISCHEM AUSSEHEN

Fire-resistant polycarbonate-based molding material, useful for the production of molded parts for domestic appliances, office machines, cars, electrical goods etc.

Graft copolymers made by bulk, solution or bulk-suspension polymerisation are used as components of thermoplastic molding materials based on polycarbonate or polyester-carbonate which also contain a phosphazene compound, and optionally fluorinated polyolefin and thermoplastic polymer. Thermoplastic molding materials contain: (A) 40-99 parts by weight (pts. wt.) aromatic polycarbonate and/or polyester-carbonate; (B) 0.5-60 pts. wt. graft copolymer of (B1) 50-99 wt% vinyl monomer(s) on (B2) 50-1 wt% graft base(s) with a glass transition temperature below 10 deg C, obtained by bulk, solution or bulk-suspension polymerisation, (C) 0-45 pts. wt. thermoplastic polymer(s) selected from vinyl (co)polymers and polyalkylene terephthalates, (D) phosphazene(s) of formula (Ia) and/or (Ib), R = amino, 1-8C alkyl or alkoxy (both optionally halogenated, preferably with fluorine), or 5-6C cycloalkyl, 6-20C aryl or aryloxy (preferably phenyl, naphthyl, phenoxy or naphthyloxy) or 7-12C aralkyl (preferably ...

Polycarbonat-Formmassen mit verbesserten mechanischen Eigenschaften

The invention relates to thermoplastic molding materials containing thermoplastic polycarbonate and 0.01 to 30 wt. parts per 100 wt. parts (polycarbonate) of silicon compounds with an average particle diameter ranging from 0.01 to 20 mu m.

ABS-FORMMASSEN MIT VERBESSERTER VERARBEITBARKEIT UND HOHEM GLANZ

Verfahren zur Herstellung von Polycarbonat-Formmassen

Kautschukverstärkte thermoplastische Harzzusammensetzung, die Teilchen aus Pfropfpolymer enthält und Verfahren zur Herstellung

Kautschukverstärkte thermoplastische Harzzusammensetzung, die eine thermoplastische Harzmatrix und darin dispergiert Teilchen eines Pfropfpolymers umfaßt, wobei die Teilchen des Pfropfpolymers Teilchen eines Kautschukpolymers umfassen, die auf ihre Oberfläche zwei oder mehr Arten von Vinylverbindungen, die mit dem Kautschukpolymer pfropfcopolymerisierbar sind, emulsionspfropfpolymerisiert aufweisen, wobei die Oberflächenpfropfbedeckung der Vinylverbindungen, die auf die Oberfläche der Teilchen des Kautschukpolymers pfropfpolymerisiert sind, wie sie durch die Gleichung (m1) bestimmt wird, 80% oder mehr beträgt und die mittlere Dicke der Vinylverbindungen, die auf die Oberfläche der Teilchen des Kautschukpolymers pfropfpolymerisiert sind, 5 bis 25 nm beträgt: Oberflächenpfropfbedeckung (%) = (s2/s1) x 100(m1)worin s1 die Oberfläche der Teilchen des Kautschukpolymers darstellt; und s2 die Oberfläche der Vinylverbindung, die auf die Oberfläche der Teilchen des Kautschukpolymers so pfropfpolymerisiert ...

Polybutadien-gepfropfter Isoprenkautschuk, Herstellungsverfahren hierfür und Vulkanisat und gemischte Verbindung davon

Polybutadien-gepfropfter Isoprenkautschuk, wobei, berechnet auf der Basis des Gesamtgewichtes des Polybutadien-gepfropften Isoprenkautschuks, der Gehalt der strukturellen Butadieneinheiten 0,5-8 Gew.-% und der Gehalt der strukturellen Isopreneinheiten 92-99,5 Gew.-% ist; das Molekulargewicht im Zahlenmittel des Polybutadien-gepfropften Isoprenkautschuks 2 × 10-5 × 10, die Polydispersität 3-4, der Verzweigungsfaktor 0,5-0,98 und der Gehalt des Polybutadien-gepfropften Isoprenkautschuks mit cis-1,4-Struktur 95-99 Gew.-% ist.

ABS MOULDING MASSES WITH FIRE-RESISTANCE

HALOGENFREIE FLAMMHEMMENDE THERMOPLASTISCHE TRYROLHARZZUSAMMENSETZUNG

POLYPHENYLENE ETHER COMPOSITION CONTAINING AN EPOXY COMPOUND

KAUTSCHUKMODIFIZIERTES HARZ UND THERMOPLASTISCHE HARZZUSAMMENSETZUNG DIE DIESES ENTHÄLT

FLAMMWIDRIGE EXPANDIERBARE POLY(ARYLENEHTER)/POLYSTYROL-ZUSAMMENSETZUNGEN UND IHRE HERSTELLUNG

Polycarbonatarme Formmassen für Kraftfahrzeug-Anwendungen

The invention relates to a moulding material containing the following in relation to the sum of the components (A) to (G), which is 100 wt. % overall: a) 1 to 97.89 wt. % of a moulding material of at least one polycondensates with a viscosity number of 70 to 160 as component (A); b) 1 to 10 wt. % of at least one particulate graft copolymer with a glass transition temperature in the soft phase of less than 0 DEG C and an average particle size of 50 to 1000 nm as component (B); c) 1 to 10 wt. % of at least one copolymer as component (C), consisting of the following monomers: c1) 50 to 90 wt. % of at least one vinylaromatic monomer as component (C1) and c2) 10 to 50 wt. % acrylonitrile and/or methacrylonitrile as component (C2), in relation to component (C) respectively; d) 0 to 15 wt. % of a polycarbonate as component (D); e) 0.01 to 15 wt. % of a different polymer to component (B) as component (E), f) 0 to 20 wt. % of a different polyester to component (A) as component (F) and g) 0.1 to ...

Verfahren zur Herstellung kautschukmodifizierter Polymermischungen

A method for producing rubber modified polymer blends, wherein the following are reacted with each other in a melt at temperatures of 180-290 DEG C: a copolymer A) made of vinyl aromatic monomers and vinyl cyanides, a copolymer B) made of vinyl aromatic monomers and vinyl cyanides having at least one oxazoline or thio-oxazoline group, and a rubber elastic copolymer C) selected from the group consisting of an ethylene/ (meth)acrylic acid copolymer (C1), an ethylene/ (meth)acrylate copolymer (C2) containing at least one free carboyxlic acid or a carboxylic acid hydride functionality, and a copolymer (C3) made of olefinically unsaturated compounds and vinyl cyanides containing at least one carboxylic acid functionality, in addition to, optionally, stabilizer compounds D), fiber or particle shaped filling and additive material E) and processing agents F) .

POLYMERMISCHUNGEN MIT MATTER OBERFLAECHE

ASA-HARZ MIT NIEDRIGEM GLANZ

KAUTSCHUKMODIFIZIERTE MONOVINYLIDEN-AROMATISCHE POLYMERMISCHUNGEN

MODIFIZIERUNGSMITTEL FÜR HARZE, DIESES ENTHALTENDES HARZ, SOWIE MISCHUNG EINES POLYVINYLAROMATEN-HARZES

THERMOPLASTISCHE ABS-HARZ-ZUSAMMENSETZUNG MIT VERBESSERTER SCHLAGZÄHIGKEIT, MASSHALTIGKEIT UND BLASFORMVERHALTEN

Reifenlauffläche enthaltend Kern-Hülle-Teilchen

Lichtstreuende antistatische Kunststoffzusammensetzung mit hoher Helligkeit und deren Verwendung in Flachbildschirmen

Die vorliegende Erfindung betrifft eine Folie bzw. eine mehrschichtige Folie, deren Basismaterial aus einer Zusammensetzung aus einem transparenten Polycarbonat und transparenten polymeren Teilchen mit einer von Matrixmaterial unterschiedlichen optischen Dichte besteht und ggf. einer oder mehrerer Deckschichten, die im Coextrusionsverfahren auf die Folie entweder einseitig oder zweiseitig aufgebracht werden, wobei die Folie oder die Deckschichten einen Antistaubschutz beinhalten, sowie die Verwendung einer solchen Folie als Diffuserfilm in Flachbildschirmen.

Polyvinylchloridharzmassen und Verfahren zu deren Herstellung

Refrigerator interior liner

The present invention is a refrigerator interior liner made of a rubber modified monovinylaromatic polymer composition comprising: a) a monovinylaromatic polymer matrix having an average molecular weight in weight Mw above 150,000 g/mol, b) rubber particles dispersed therein, said particles having: a volume median particle size (RPS volume) of about 8.5 μm, a monomodal distribution with essentially no shoulder, a low-to-moderate crosslinking of the rubber expressed as a swell index (SI) above 13.8, a rubber phase volume fraction (RPVF) of at least 39%, c) a moderate amount of low- Mw plasticizers, defined as the weight fraction of solubles in methanol, and such that the weight ratio c/(a+b+c) ranges from 0 to 5%. The present invention is also a process for preparing the above composition comprising: a) forming a polymerizable mixture comprising at least one monovinylaromatic monomer and optionally one or more comonoiners, b) dissolving at least a viscous rubber of essentially linear structure in said polymerizable mixture to form a rubber containing polymerizable solution, c) contacting a free radical initiator and a chain transfer agent with the polymerizable mixture at conditions whereby phase inversion subsequently occurs, wherein the chain transfer agent is capable to produce an increase of the rubber to PS phase viscosity ratio within the inversion reactor, d) continuing the polymerization of the solution obtained at step c), optionally in the presence of a free radical initiator, until a monovinylaromatic polymer matrix having rubber particles dispersed therein is obtained.

Graft composition for improved tie layers

Graft compositions, useful for tie-layer adhesives, are disclosed. The graft compositions comprise the reaction product of a live, grafted polyolefin and an olefin elastomer. The grafted polyolefin is first made by heating a polyolefin and an unsaturated monomer. Further reaction of the live, grafted polyolefin with an olefin elastomer provides the graft composition. Grafting efficiency is boosted dramatically by the presence of the olefin elastomer and use of the additional reaction step. The graft composition, when formulated into a tie-layer adhesive at low concentration, affords multilayer structures with good adhesion and high clarity.

Flameproof Thermoplastic Resin Composition

A thermoplastic resin composition includes a polycarbonate resin/impact modifier system, a polystyrene resin having a predetermined molecular weight, and a phosphorus flame retardant. The impact modifier includes a particular rubber particle size and is formed of particular monomers. The composition can exhibit improved flame retardancy, impact resistance, fluidity, and appearance.

Reinforced thermoplastic resin composition and molded article

The reinforced thermoplastic resin composition of the present invention includes: 50 to 90% by weight of a polycarbonate resin (A); 10 to 50% by weight of a graft copolymer mixture (B) (provided that a total amount of the component (A) and the component (B) accounts for 100% by weight) which is obtained by graft-polymerizing an aromatic alkenyl compound monomer unit (a) and a vinyl cyanide compound monomer unit (b) onto a rubber polymer (B1); and 6 to 22 parts by weight of an inorganic filler (D) which has been surface-treated with a water-soluble polyamide, relative to the total of 100 parts by weight of the polycarbonate resin (A) and the graft copolymer mixture (B). There is provided a reinforced thermoplastic resin composition exhibiting excellent moldability, generates a minimal amount of gas during molding, and also being capable of improving the rigidity of the resulting molded article and the impact resistance when dropping the product.

Impact modified monovinylidene aromatic polymer having low rubber crosslinking

The ductility/stiffness balance of a rubber-modified monovinylidene aromatic polymer, e.g., HIPS, is increased without increasing the rubber content of the polymer and/or changing the size of the average rubber particle by a process comprising the step of crosslinking the rubber such that the rubber-modified polymer has an optical crosslink index (OCLI) of <0.5 and an injection molded/compression molded (IM/CM) modulus ratio ≧1.3.

Flame retardant bio-based polymer blends

Polycarbonate compositions having flame retardant properties and improved impact resistance are disclosed, together with methods for preparing the same.

System and method for producing, preparing, or manufacturing natural rubber-based ABS compositions, powders, substances, and/or additives

A process for producing natural rubber-based acrylonitrile butadiene styrene (ABS) powder. The process comprises introducing a portion of natural rubber, mixing divinylbenzene (DVB) with the portion of natural rubber to produce vulcanized natural rubber, mixing the vulcanized natural rubber with a monomer solution to produce grafted natural rubber, mixing a plurality of grafted polybutadiene rubbers with the grafted natural rubber to produce a latex masterbatch and mixing a coagulant to a portion of the latex masterbatch to produce natural rubber-based ABS powder. By mixing the DVB with the portion of natural rubber, an intermediate step which is required in conventional methods before the polymerization process, can be eliminated. A natural rubber-based acrylonitrile butadiene styrene (ABS) powder produced by the process is also disclosed.

Thermoplastic composition, method of producing the same, and articles made therefrom

The instant invention provides a thermoplastic composition, method of producing the same, and articles made therefrom. The thermoplastic composition according to present invention comprises the melt blending product of: (a) from 10 to 75 percent by weight of a continuous phase, based on the total weight of the thermoplastic composition, wherein said continuous phase comprises one or more thermoplastic polymers; and (b) from 25 to 90 percent by weight of a dispersed phase comprising one or more core/shell polymer particles, based on the total weight of the thermoplastic composition, wherein said one or more core/shell polymer particles comprise a crosslinked elastomer core and a thermoplastic shell and wherein said core/shell polymer has an average particle size diameter in the range of from 70 to 10,000 nm.

Liquid resin composition and semiconductor device

According to the invention, a liquid resin composition which has favorable wet spreadability after mounting of a chip and exhibits excellent solder cracking resistance even in a high-temperature solder reflow process at about 260° C., i.e., even when being used in lead-free solder, and a semiconductor package using the liquid resin composition are provided. In the liquid resin composition of the invention, an acrylic copolymer having a radical polymerizable functional group contains alkyl(meth)acrylate as a constituent monomer having a linear or branched alkyl group having 6 to 9 carbon atoms in an amount of 10 wt % to 40 wt % of the entire constituent monomers.

IMPACT MODIFIED POLYCARBONATE COMPOSITIONS

The invention relates to thermoplastic polycarbonate compositions which are impact-modified with ABS type polymers, said polycarbonate compositions being impact-modified with ABS type polymers are characterized by their excellent low temperature ductility, good processing properties expressed by relatively high melt volume rate (MVR) and good hydrolytic stability. 1. Resin composition comprising:A) 5 to 99 wt.-parts of at least one aromatic polycarbonate, [ {'sub': '50', 'a butadiene rubber latex (B1) having a weight median particle diameter Dof 100 to 250 nm, and a gel content from 30 to 80% by weight, and'}, 'emulsion polymerization of styrene and acrylonitrile in the weight ratio 95:5 to 50:50, whereby styrene and/or acrylonitrile wholly or partially can be replaced by copolymerizable monomers, onto at least two rubber latices, comprising, {'sub': '50', 'a butadiene rubber latex (B2) having a weight median particle diameter Dof more than 350 nm, and a gel content of less than 75% by weight,'}], 'B) 1 to 95 wt.-parts of at least one graft rubber copolymer which is obtained byC) optionally 0 to 50 wt.-parts of one or more (co)polymer of at least one monomer selected from the group consisting of vinyl aromatic monomers, vinyl cyanides and unsaturated carboxylic acids and derivatives thereof, {'sub': '50', 'the weight median particle diameter Dof the mixture of the butadiene rubber latices (B1) and (B2) is larger than 350 nm and is less than 1000 nm, and the amount of the butadiene rubber latex polymer (B1) in the graft rubber copolymer B) is 1 to 49% by weight (B1) and the amount of the butadiene rubber latex polymer (B2) is 51 to 99% by weight, based on the total weight of the rubber latex polymers in the graft rubber copolymer B).'}, 'D) optionally 0 to 25 wt.-parts of conventional polymer additives, wherein'}2. Resin composition according to claim 1 , wherein the rubber latices of graft rubber copolymer B) consist of butadiene rubber latex polymer (B1) and ...

Acrylate-Styrene-Acrylonitrile Resin Composition Having Thermochromic Resistance at High Temperatures

An acrylate-aromatic vinyl-vinyl cyanide resin composition having thermochromic resistance at high temperatures is provided. The resin composition includes: (A) about 20 to about 50% by weight of acrylic graft copolymer; (B) about 20 to about 50% by weight of two types of aromatic vinyl-vinyl cyanide copolymers with different molecular weights; and (C) about 30 to about 50% by weight of alpha-methyl styrene terpolymer. 1. An acrylate-aromatic vinyl-vinyl cyanide resin composition with thermochromic resistance at high temperature , comprising:(A) about 20 to about 50% by weight of acrylic graft copolymer,(B) about 30 to about 50% by weight of two types of aromatic vinyl-vinyl cyanide copolymers having different molecular weights, and(C) about 30 to about 50% by weight of alpha-methyl styrene terpolymer.2. The resin composition of claim 1 , wherein said acrylic graft copolymer (A) comprises about 40 to about 60% by weight acrylic rubber and about 40 to about 60% by weight of monomer compounds including aromatic vinyl compound and vinyl cyanide compound.3. The resin composition of claim 2 , wherein the monomer compounds including vinyl cyanide compound and aromatic vinyl mixture comprises about 20 to about 30% by weight of vinyl cyanide compound and about 70 to about 80% by weight of aromatic vinyl compound.4. The resin composition of claim 2 , wherein the acrylic rubber comprises a C2 to C10 alkyl acrylate and has an average rubber particle size of about 0.1 to about 0.5 μm.5. The resin composition of claim 2 , wherein said aromatic vinyl compound comprises styrene claim 2 , alpha-methylstyrene claim 2 , p-methylstyrene claim 2 , p-t-butylstyrene claim 2 , 2 claim 2 ,4-dimethylstyrene claim 2 , chlorostyrene claim 2 , vinyltoluene claim 2 , vinylnaphthalene claim 2 , or a combination thereof.6. The resin composition of claim 2 , wherein said vinyl cyanide compound comprises acrylonitrile claim 2 , methacrylonitrile claim 2 , or a combination thereof.7. The resin ...

Styrene resin composition, and molded article thereof

Provided are a styrene resin composition for use in electronic component packaging such as embossed carrier tape, a sheet which has a large drawing ratio (pocket depth) and in which pockets exhibiting superior transparency and strength and can be thermoformed, and a carrier tape which is thermoformed from the sheet and which allows the verification of letters and the like formed on packaged electronic components from outside the pockets. The electronic component packaging sheet includes: (A) 29-65 mass parts of a styrene-conjugated diene block copolymer; (B) 51-15 mass parts of a polystyrene resin; and (C) 20-9 mass parts of an impact resistant polystyrene resin. Components (A)-(C) each have a weight average molecular weight within a specified range.

Flame-retardant styrene thermoplastic resin composition and molded product thereof

A flame-retardant styrene thermoplastic resin composition including 6 to 15 parts by weight of a phosphoric acid ester flame retardant (II) and 0.1 to 3 parts by weight of an aromatic carbonate oligomer (III) having a viscosity average molecular weight [Mv] of 1,000 to 10,000 with respect to 100 parts by weight of a styrene resin (I), and molded products thereof have excellent flame retardancy, mechanical properties and moldability.

GRAFT MONOMER COMPOSITION FOR THERMOPLASTIC TRANSPARENT RESIN, COMPOSITION FOR THERMOPLASTIC TRANSPARENT RESIN USING THE SAME, AND THERMOPLASTIC TRANSPARENT RESIN HAVING GOOD TRANSPARENCY AND COLOR

Disclosed is a graft monomer composition for thermoplastic transparent resins, a composition for thermoplastic transparent resins using the same and a thermoplastic transparent resin that exhibits superior transparency and color at low rubber contents. According to the graft monomer composition, the composition for thermoplastic transparent resins and the thermoplastic transparent resin, although the content of rubber in final products increases or the content of rubber in graft copolymers in the preparation of final products increases, the copolymer surrounds the surface of rubber well, thus reducing haze, considerably improving transparency and exhibiting excellent natural color. 1. A graft monomer composition for thermoplastic transparent resins comprising:a (meth)acrylic acid alkyl ester monomer;an aromatic vinyl monomer; anda hydrophilic monomer,wherein the hydrophilic monomer is selected from monomers having three or more ethylene oxide groups or one carboxyl group, together with containing ethylenic double bonds.2. The graft monomer composition according to claim 1 , wherein the monomers having three or more ethylene oxide groups or one carboxyl group claim 1 , together with containing ethylenic double bonds are one or more selected from the group consisting of ethoxyethoxy ethyl acrylate claim 1 , ethoxy triethylene glycol methacrylate claim 1 , polyethylene glycol (400) monomethyl ether acrylate claim 1 , polyethylene glycol (1000) monomethyl ether acrylate claim 1 , polyethylene glycol (400) monomethyl ether methacrylate claim 1 , polyethylene glycol (1000) monomethyl ether methacrylate claim 1 , polyethylene glycol dimethacrylate claim 1 , polyethylene glycol diacrylate claim 1 , polyethylene glycol allyl acrylate claim 1 , polyethylene glycol monoacrylate claim 1 , polyethylene glycol monomethacrylate claim 1 , polyethylene glycol monoallyl claim 1 , and (meth)acrylic acid.3. A composition for thermoplastic transparent resins obtained by mixing 20 to 75 ...

Flame-retardant styrene resin composition and toner cartridge container produced by using it

To provide a flame-retardant styrene resin composition excellent in the product strength, moldability and heat resistance. A flame-retardant styrene resin composition comprising 100 parts by mass of (A) a rubber-modified styrene resin, from 5.5 to 12 parts by mass of (B) a bromine-type flame retardant made of 2,4,6-tris(2,4,6-tribromophenoxy)-1,3,5-triazine, from 0.5 to 5 parts by mass of (C) a flame retardancy-imparting auxiliary agent, and from 0.5 to 1.6 parts by mass of (D) at least two lubricants selected from the group consisting of (a) a polyolefin wax, (b) a higher fatty acid amide and (c) a higher carboxylic acid metal salt, wherein the proportions of the respective lubricants are such that (a) is from 0 to 40 mass %, (b) is from 0 to 80 mass %, and (c) is from 0 to 80 mass %, provided that the total amount of (a), (b) and (c) is 100 mass %.

Flame retardant polycarbonate compositions, methods of manufacture thereof and articles comprising the same

Disclosed herein is a flame retardant composition comprising 10 to 90 weight percent of a linear polycarbonate; a branched polycarbonate; 10 to 70 weight percent of a polysiloxane-polycarbonate copolymer; and 1 to 20 weight percent of a phosphazene compound; were all weight percents are based on the total weight of the composition. Disclosed herein too is a method comprising blending 10 to 90 weight percent of a linear polycarbonate; a branched polycarbonate; 10 to 70 weight percent of a polysiloxane-polycarbonate copolymer; and 1 to 20 weight percent of a phosphazene compound; to form a flame retardant composition; were all weight percents are based on the total weight of the composition.

ACRYLIC RUBBER GRAFT COPOLYMER AND THERMOPLASTIC RESIN COMPOSITION

[Object] To provide acrylic rubber graft copolymers capable of giving thermoplastic resin compositions exhibiting excellent impact resistance, rigidity and appearance, and to provide thermoplastic resin compositions including the acrylic rubber graft copolymers. 1. An acrylic rubber graft copolymer obtained by graft polymerizing a vinyl monomer in the presence of a rubbery polymer including acrylate ester monomer units and polyfunctional monomer units , wherein the total amount of the polyfunctional monomer units in the rubbery polymer is 0.3 to 3 parts by mass with respect to 100 parts by mass of the acrylate ester monomer units , and the polyfunctional monomer units include 30 to 95 mass % of polyfunctional monomer units having two unsaturated bonds and 5 to 70 mass % of polyfunctional monomer units having three unsaturated bonds with respect to 100 mass % of the total of the polyfunctional monomer units.2. The acrylic rubber graft copolymer according to claim 1 , wherein the rubbery polymer is a polymer obtained by mixing a copolymer latex obtained by polymerizing a monomer mixture including an acrylate ester monomer and polyfunctional monomers together with an acid group-containing copolymer latex to enlarge the polymer claim 1 , and thereafter further adding a monomer including an acrylate ester monomer and polymerizing the monomer to the enlarged polymer.3. The acrylic rubber graft copolymer according to claim 1 , wherein the rubbery polymer has a volume average particle diameter of 300 to 600 nm.4. A thermoplastic resin composition comprising the acrylic rubber graft copolymer described in (hereinafter claim 1 , referred to as “acrylic rubber graft copolymer (A)”).5. The thermoplastic resin composition according to claim 4 , wherein the thermoplastic resin composition comprises the acrylic rubber graft copolymer (A) and an acrylic rubber graft copolymer having a volume average particle diameter of 70 to 200 nm and obtained by graft polymerizing a vinyl ...

Polybutadiene grafted isoprene rubber, processes for preparing polybutadiene grafted isoprene rubber, mixed compositions and vulcanized forms thereof

Disclosed herein are polybutadiene grafted isoprene rubber, processes for preparing polybutadiene grafted isoprene rubber, mixed compositions and vulcanized forms thereof.

THERMAL STABILIZER-FREE THERMOPLASTIC RESIN COMPOSITION AND METHOD OF PREPARING THE SAME

Disclosed are a thermal stabilizer-free thermoplastic resin composition and a method of preparing the same. The thermal stabilizer-free thermoplastic resin composition has superior impact resistance, falling ball impact resistance and gloss without using a separate thermal stabilizer. Particularly, the thermal stabilizer-free thermoplastic resin composition improves production efficiency when applied to a squeezing dehydrator because the thermoplastic resin composition is prepared without using a drying process. 1. A thermal stabilizer-free thermoplastic resin composition comprising:a rubber-reinforced resin a); anda matrix resin b),wherein the rubber-reinforced resin a) comprises a rubber polymer latex, an aromatic vinyl compound, a vinyl cyanide compound and a reactive emulsifier and is an ABS thermoplastic resin obtained by graft copolymerization.2. The thermal stabilizer-free thermoplastic resin composition according to claim 1 , wherein the matrix resin b) comprises at least one selected from a styrene-acrylonitrile copolymer and a polycarbonate resin.3. The thermal stabilizer-free thermoplastic resin composition according to claim 2 , wherein the matrix resin b) comprises a styrene-acrylonitrile copolymer having a weight-average molecular weight of 60 claim 2 ,000 to 200 claim 2 ,000 g/mol and an acrylonitrile content of 15 to 40% by weight.4. The thermal stabilizer-free thermoplastic resin composition according to claim 1 , wherein the rubber polymer has a particle diameter of 2 claim 1 ,500 to 5 claim 1 ,000 Å and a gel content of 85 to 99% by weight claim 1 , and is present in an amount of 60 to 75 parts by weight claim 1 , based on 100 parts by weight in total of a monomer for the rubber-reinforced resin.5. The thermal stabilizer-free thermoplastic resin composition according to claim 1 , wherein the aromatic vinyl compound comprises 18 to 28 parts by weight of styrene claim 1 , α-methylstyrene claim 1 , p-methylstyrene claim 1 , vinyl toluene claim 1 , t- ...

Acrylic resin film, laminated film, production method for laminated film, and molded article

An acrylic resin film is provided that may include graft copolymer particles (A) with a multilayer structure and graft copolymer particles (B) with a multilayer structure, wherein the graft copolymer particles (A) may have an average particle size in the range of 20 to 150 nm, the graft copolymer particles (B) may have a larger average particle size than the graft copolymer particles (A). The graft copolymer particles (A) may include a cross-linked elastomer (A1) and a graft polymer layer (A2), the graft polymer layer (A2) being closer to a surface layer than the cross-linked elastomer (A1). Further, a constituent unit may be derived from an acrylate with an alkyl ester moiety having two or more carbon atoms constitutes 8% or less by mass of the graft polymer layer (A2), the graft copolymer particles (B) may contain a cross-linked elastomer (B1).

Thermoplastic Resin Composition and Molded Product Containing Same

The present invention relates to a thermoplastic resin composition and a molded product containing the same, the composition comprising: a base resin comprising a polycarbonate resin, a polyester resin, and a polyalkyl(meth)acrylate resin; a diene-based impact modifier; and an acrylic impact modifier. 1. A thermoplastic resin composition comprising:a base resin comprising a polycarbonate resin, a polyester resin, and a polyalkyl(meth)acrylate resin;a diene-based impact modifier; andan acrylic impact modifier.2. The thermoplastic resin composition according to claim 1 , wherein the base resin comprises:about 40 wt % to about 80 wt % of the polycarbonate resin;about 10 wt % to about 50 wt % of the polyester resin; andabout 1 wt % to about 10 wt % of the polyalkyl(meth)acrylate resin.3. The thermoplastic resin composition according to claim 1 , wherein the diene-based impact modifier is present in an amount of about 0.1 parts by weight to about 10 parts by weight relative to 100 parts by weight of the base resin.4. The thermoplastic resin composition according to claim 1 , wherein the acrylic impact modifier is present in an amount of about 0.1 parts by weight to about 10 parts by weight relative to 100 parts by weight of the base resin.5. The thermoplastic resin composition according to claim 1 , wherein a weight ratio of the diene-based impact modifier to the acrylic impact modifier ranges from about 1:1 to about 4:1.6. The thermoplastic resin composition according to claim 1 , wherein the polyalkyl(meth)acrylate resin is a poly(methyl methacrylate) resin.7. The thermoplastic resin composition according to claim 1 , wherein the diene-based impact modifier is a core-shell type impact modifier composed of: a core formed of a rubber polymer comprising diene rubbers; and a shell formed by grafting an alkyl (meth)acrylate polymer to the core.8. The thermoplastic resin composition according to claim 1 , wherein the acrylic impact modifier is a core-shell type impact ...

METHOD FOR PRODUCING RESIN COMPOSITION, AND RESIN COMPOSITION

A resin composition is produced by a method including a step of rapidly freezing a latex containing fine polymer particles (A), a step of thawing the latex which has been frozen in the preceding step, a step of mixing, into the latex which has been subjected to the preceding step, a resin (B) having a specific viscosity, and after the preceding steps, a step of separating the latex into a resin composition and a water component. The resin composition is an agglutinate containing the fine polymer particles (A) and the resin (B). 1. A method of producing a resin composition , comprising:a rapid freezing step of rapidly freezing a latex containing fine polymer particles (A);a thawing step of thawing the latex which has been frozen in the rapid freezing step;a resin mixing step of mixing, into the latex which has been subjected to the rapid freezing step, a resin (B) which is, at 25° C., a liquid having a viscosity of 100 mPa·s to 1,000,000 mPa·s, a semisolid, or a solid; andafter the thawing step and the resin mixing step, a separating step of separating the latex into the resin composition and a water component, the resin composition being an agglutinate containing the fine polymer particles (A) and the resin (B);wherein the fine polymer particles (A) having at least a graft part which is constituted by a polymer containing, as one or more structural units that derived from at least one type of monomer selected from the group consisting of aromatic vinyl monomers, vinyl cyanide monomers, and (meth)acrylate monomers; andin a case where a total amount of the fine polymer particles (A) and the resin (B) is regarded as 100% by weight, an amount of the fine polymer particles (A) be 1% by weight to 70% by weight and an amount of the resin (B) be 30% by weight to 99% by weight.2. A method of producing a resin composition , comprising:a resin mixing step of mixing, into a latex containing fine polymer particles (A), a resin (B) which is, at 25° C., a liquid having a viscosity ...

THERMOPLASTIC RESIN COMPOSITION AND MOLDED ARTICLE OF SAME

The thermoplastic resin composition of the present invention includes: a (meth)acrylic acid ester copolymer (A) obtained by polymerizing a vinyl monomer mixture (m1) containing 50% by mass or more and less than 80% by mass of a (meth)acrylic acid ester monomer and 12 to 39% by mass of an aromatic vinyl monomer; a hindered amine compound (C) having a molecular weight of 200 to 1,800; and an ultraviolet absorber compound (D) having a maximum absorption wavelength at 250 to 300 nm, wherein: the thermoplastic resin composition optionally includes a graft copolymer (B), and the hindered amine compound (C) is present in an amount of 0.4 to 1.8 parts by mass, the ultraviolet absorber compound (D) is present in an amount of 0.1 to 1.6 parts by mass, and a sum of the amounts of the hindered amine compound (C) and the ultraviolet absorber compound (D) is not more than 2.0 parts by mass, each relative to 100 parts by mass of a combination of the (meth)acrylic acid ester copolymer (A) and the graft copolymer (B). 1. A thermoplastic resin composition comprising:{'b': '1', 'a (meth)acrylic acid ester copolymer (A) obtained by polymerizing a vinyl monomer mixture (m) containing a (meth) acrylic acid ester monomer and an aromatic vinyl monomer;'}a hindered amine compound (C) having a molecular weight of 200 to 1800; andan ultraviolet absorber compound (D) having a maximum absorption wavelength at 250 to 300 nm,wherein:{'b': 2', '1', '1, 'the thermoplastic resin composition optionally includes a graft copolymer (B) obtained by graft-polymerizing a vinyl monomer mixture (m) in the presence of a rubber polymer (b), the (meth)acrylic acid ester monomer is present in an amount of 50% by mass or more and less than 80% by mass, and the aromatic vinyl monomer is present in an amount of 12 to 39% by mass, each based on a total mass of the vinyl monomer mixture (m), and'}the hindered amine compound (C) is present in an amount of 0.4 to 1.8 parts by mass, the ultraviolet absorber compound (D) ...

Transparent Thermoplastic Resin Composition Having Improved Whitening Resistance at Low Temperature and Excellent Impact Strength

A transparent thermoplastic resin composition includes (A) a rubber-modified graft copolymer which is prepared by copolymerizing (a2) a (meth)acrylic acid alkyl ester monomer, (a3) a styrene-based monomer and (a4) an acrylonitrile-based monomer onto (a1) a butadiene-based rubber polymer; (B) a styrene-based copolymer having a glass transition temperature of about 90 to about 100° C. which is prepared by copolymerizing (b1) a methacrylic acid alkyl ester monomer, (b2) an acrylic acid alkyl ester monomer, (b3) a styrene-based monomer and (b4) an acrylonitrile-based monomer; and (C) a silicone oil. The composition can have improved whitening resistance at low temperatures and/or excellent impact strength. 1. A transparent thermoplastic resin composition that can have improved whitening resistance at low temperatures comprising:(A) a rubber-modified graft copolymer which is prepared by copolymerizing (a2) a (meth)acrylic acid alkyl ester monomer, (a3) a styrene-based monomer and (a4) an acrylonitrile-based monomer onto (a1) a butadiene-based rubber polymer;(B) a styrene-based copolymer having glass transition temperature of about 90 to about 100° C. which is prepared by copolymerizing (b1) a methacrylic acid alkyl ester monomer, (b2) an acrylic acid alkyl ester monomer, (b3) a styrene-based monomer and (b4) an acrylonitrile-based monomer; and(C) a silicone oil.2. The transparent thermoplastic resin composition of claim 1 , wherein the difference between the refractive index of the rubber-modified graft copolymer (A) and the refractive index of the butadiene-based rubber polymer (a1) is about 0.005 or less claim 1 , and the difference between the refractive index of the rubber-modified graft copolymer (A) and the refractive index of the styrene-based copolymer (B) is about 0.005 or less.3. The transparent thermoplastic resin composition of claim 1 , wherein the transparent thermoplastic resin composition comprises about 5 to about 75% by weight of the rubber-modified ...

LATEX COMPOSITION

A latex composition is formed by adding an aqueous solution of an aluminum compound to a latex of a carboxyl group-containing synthetic polyisoprene and/or a carboxyl group-containing styrene-isoprene-styrene block copolymer. In the latex composition, the aqueous solution of an aluminum compound preferably has a pH of 5 to 13. In the latex composition, the aqueous solution of an aluminum compound is preferably an aqueous solution of a metal salt of aluminate. 1. A latex composition formed by adding an aqueous solution of an aluminum compound to a latex of a carboxyl group-containing synthetic polyisoprene and/or a carboxyl group-containing styrene-isoprene-styrene block copolymer.2. The latex composition according to claim 1 , wherein the aqueous solution of an aluminum compound has a pH of 5 to 13.3. The latex composition according to claim 1 , wherein the aqueous solution of an aluminum compound is an aqueous solution of a metal salt of aluminate.4. The latex composition according to claim 1 , wherein the carboxyl group-containing synthetic polyisoprene is obtained by graft polymerization of a monomer having a carboxyl group onto a synthetic polyisoprene.5. The latex composition according to claim 1 , wherein the carboxyl group-containing styrene-isoprene-styrene block copolymer is obtained by graft polymerization of a monomer having a carboxyl group onto a styrene-isoprene-styrene block copolymer.6. The latex composition according to claim 1 , further comprising 0.05 to 1.0 part by weight of a sulfur vulcanizing agent with respect to 100 parts by weight of the total of the carboxyl group-containing synthetic polyisoprene and the carboxyl group-containing styrene-isoprene-styrene block copolymer.7. The latex composition according to claim 1 , further comprising 0.05 to 1.0 part by weight of a sulfur vulcanization accelerator with respect to 100 parts by weight of the total of the carboxyl group-containing synthetic polyisoprene and the carboxyl group-containing ...

Resin composition and application thereof

A resin composition and an application thereof are provided, wherein the resin composition includes a thermoplastic elastomer, a styrene-based resin, a processing oil, and a filler. Based on 100 wt % of the resin composition, the content of the thermoplastic elastomer is 20 wt % to 55 wt %, the content of the styrene-based resin is 25 wt % to 55 wt %, the content of the processing oil is 6 wt % to 18 wt %, and the content of the filler is 5 wt % to 20 wt %. A printing material made by the resin composition has good adhesion with a substrate.

ANTAGONIST OF THE FIBROBLAST GROWTH FACTOR RECEPTOR 3 (FGFR3) FOR USE IN THE TREATMENT OR THE PREVENTION OF SKELETAL DISORDERS LINKED WITH ABNORMAL ACTIVATION OF FGFR3

The present invention relates to the treatment or prevention of skeletal disorders, at particular skeletal diseases, developed by patients that display abnormal increased activation of the fibroblast growth factor receptor 3 (FGFR3), in particular by expression of a constitutively activated mutant of FGFR3. 2. The method according to claim 1 , wherein the FGFR3-related skeletal disease is selected from the group consisting of thanatophoric dysplasia type I claim 1 , thanatophoric dysplasia type II claim 1 , severe achondroplasia with developmental delay and acanthosis nigricans claim 1 , hypochondroplasia claim 1 , achondroplasia and FGFR3-related craniosynostosis such as Muenke syndrome and Crouzon syndrome with acanthosis nigricans. The present invention relates to the treatment or prevention of skeletal disorders, in particular skeletal diseases and craniosynostosis, developed by patients that display abnormal increased activation of the fibroblast growth factor receptor 3 (FGFR3), in particular by expression of a constitutively activated mutant of FGFR3.Skeletal development in humans is regulated by numerous growth factors. Among them Fibroblast Growth Factor Receptor 3 (FGFR3) has been described as both a negative and a positive regulator of endochondral ossification.The FGFR3 gene, which is located on the distal short arm of chromosome 4, encodes a 806 amino acid protein precursor (fibroblast growth factor receptor 3 isoform 1 precursor; SEQ ID NO: 1).The FGFR3 protein belongs to the receptor-tyrosine kinase family. This family comprises receptors FGFR1, FGFR2, FGFR3 and FGFR4 that respond to fibroblast growth factor (FGF) ligands. These structurally related proteins exhibit an extracellular domain composed of three immunoglobin-like domains which form the ligand-binding domain, an acid box, a single transmembrane domain and an intracellular split tyrosine kinase domain. Although to date the physiological ligand(s) for FGFR3 is (are) not known, like other ...

Thermoplastic resin composition, method of preparing the same, and molded article manufactured using the same

The present invention relates to a thermoplastic resin composition, a method of preparing the same, and a molded article manufactured using the same. More specifically, the thermoplastic resin composition of the present invention includes 100 parts by weight of a base resin consisting of an acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A-1) containing acrylate rubber having an average particle diameter of 0.05 to 0.15 μm as a core, an acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer (A-2) containing acrylate rubber having an average particle diameter of 0.3 to 0.6 μm as a core, an aromatic vinyl polymer (B-1), and a heat-resistant aromatic vinyl polymer (B-2); and 0.5 to 10 parts by weight of a polyolefin elastomer (C). Within this range, the thermoplastic resin composition may have a heat deflection temperature (HDT) of 89° C. or more.

Polycarbonate resin composition and molded article

A polycarbonate resin composition is provided, which exhibits a high flame retardancy, a high impact resistance, and an excellent thermal stability. The polycarbonate resin composition is characterized by containing, per 100 mass parts of (A) a polycarbonate resin, 0.001 to 1 mass part of (B) a metal organosulfonate salt and 0.5 to 5 mass parts of (C) a core/shell graft copolymer that has an Si content of at least 300 ppm and that has a butadienic rubber component for the core, and per 100 mass parts of the core/shell graft copolymer (C), 0.1 to 3 mass parts of (D) a metal salt of an organophosphate ester.

Thermoplastic composition

A thermoplastic composition including: a) 30-97 wt % of an aromatic polycarbonate; b) 0.5-25 wt % of a laser direct structuring additive; and c) 2-15 wt % of a methylmethacrylate butadiene styrene based rubber; d) 0.1-15 wt % of one or more conductive track adhesion agents selected from the group consisting of an organic phosphate, a phosphazene compound and a hypophosphorous acid metal salt, wherein a molded part of the composition provided with a conductive track made by a laser radiation and a subsequent metallization has a classification 0 as determined according to ISO2409:2013 after being subjected to conditions of 65° C. and 85% Relative Humidity for 24 hours.

EPOXY RESIN COMPOSITION, CURABLE RESIN COMPOSITION, CURED PRODUCT, AND ADHESIVE

These vinyl-based polymerizable group-containing silane compounds may be used alone, or two or more thereof may be used in combination. The content of the vinyl-based polymerizable group-containing silane compound is 1% by mass or more and 10% by mass or less, and preferably 1% by mass or more and 5% by mass or less, in 100% by mass of the organosiloxane mixture. When the amount of the vinyl-based polymerizable group-containing silane compound is the lower limit value or more, the peeling force and impact resistance of the obtained cured product tend to be high. When the amount of the vinyl-based polymerizable group-containing silane compound is the upper limit value or less, the peeling force and impact resistance of the obtained cured product tend to be high. 1. An epoxy resin composition , comprising:a rubber-containing polymer, andan epoxy resin, whereinthe rubber-containing polymer contains at least one rubbery polymer and at least one vinyl monomer part, andthe vinyl monomer part has a unit based on a monomer (a) described below, a unit based on a monomer (b) described below, and a unit based on a monomer (c) described below, whereinthe monomer (a) is a polyfunctional (meth)acrylate, the monomer (b) is at least one monomer selected from a group consisting of epoxy group-containing (meth)acrylates and aromatic vinyl monomers, and the monomer (c) is an alkyl (meth)acrylate.2. The epoxy resin composition according to claim 1 , whereinthe rubbery polymer is at least one selected from a group consisting of a diene rubber, a diene-acrylic composite rubber, an acrylic rubber, a silicone rubber, and an acrylic-silicone composite rubber.3. The epoxy resin composition according to claim 1 , whereina proportion of the unit based on the monomer (a) is 1% by mass or more and 45% by mass or less, and a proportion of the unit based on the monomer (b) is 1% by mass or more and 50% by mass or less, with respect to a total mass of the vinyl monomer part.4. A curable resin ...

THERMOPLASTIC RESIN COMPOSITION, METHOD OF PREPARING THE SAME, AND MOLDED PART MANUFACTURED USING THE SAME

The present invention relates to a thermoplastic resin composition, a method of preparing the same, and a molded part manufactured using the same. More specifically, the present invention provides a thermoplastic resin composition having excellent mechanical properties, such as tensile strength and impact strength, and weather resistance while having low gloss characteristics, a method of preparing the same, and a molded part manufactured using the same. According to the present invention, the thermoplastic resin composition includes an ASA graft copolymer having a core-shell structure having an average particle diameter of 0.05 to 1 μm, an aromatic vinyl compound-vinyl cyanide compound copolymer, and an epoxy group-containing copolymer having a weight average molecular weight of 2,000 to 8,000 g/mol in specific amounts. 1. A thermoplastic resin composition , comprising:A) 20 to 50% by weight of an ASA graft copolymer comprising an acrylic rubber core having an average particle diameter of 0.05 to 1 μm and a shell obtained by polymerizing an aromatic vinyl compound and a vinyl cyanide compound, wherein the core is wrapped with the shell; B) 49 to 79% by weight of an aromatic vinyl compound-vinyl cyanide compound copolymer; and C) 0.01 or more and less than 2% by weight of an epoxy group-containing copolymer having a weight average molecular weight of 2,000 to 8,000 g/mol,wherein the epoxy group-containing copolymer is obtained by polymerizing an epoxy group-containing vinyl compound and one or more selected from an aromatic vinyl compound, a vinyl cyanide compound, and an alkyl (meth)acrylate compound.2. The thermoplastic resin composition according to claim 1 , wherein the ASA graft copolymer comprises 10 to 60% by weight of the acrylic rubber core and 40 to 90% by weight of the shell obtained by polymerizing the aromatic vinyl compound and the vinyl cyanide compound.3. The thermoplastic resin composition according to claim 2 , wherein the shell of the ASA graft ...

Powder/granular material having improved dispersibility in thermosetting matrix resin

A powdery and/or granular material for thermosetting resin that is capable of being well dispersed in a thermosetting matrix resin is provided. The powdery and/or granular material for thermosetting resin may include fine polymer particles (A) having a polymer grafted therein, the polymer containing at least one type of monomer unit selected from the group consisting of aromatic vinyl monomers, vinyl cyanide monomers, and (meth)acrylate monomers, and a resin (B) having a specific viscosity such that the ratio between the fine polymer particles (A) and the resin (B) is a specific ratio.

Thermoplastic Resin Composition and Molded Product Using Same

Provided are a thermoplastic resin composition and a molded product using same, wherein the thermoplastic resin composition includes a base resin including (A-1) 10 wt % to 30 wt % of a first acrylate-based graft copolymer having an acrylate-based rubbery polymer with an average particle diameter of 300 nm to 400 nm; (A-2) 10 wt % to 35 wt % of a second acrylate-based graft copolymer having an acrylate-based rubbery polymer with an average particle diameter of 100 nm to 200 nm; (B) 10 wt % to 15 wt % of an aromatic vinyl compound-vinyl cyanide compound copolymer; and (C) 35 wt % to 55 wt % of α-methylstyrene-based copolymer, and (D) 1 to 5 parts by weight of an ultrahigh molecular weight styrene-acrylonitrile copolymer having a weight average molecular weight of greater than or equal to 5,000,000 g/mol, based on 100 parts by weight of the base resin.

Matt weather-resistant molding masses for extrusion methods

The invention relates to thermoplastic compositions, containing the following components: a) 30 to 90 wt % of one or more styrene copolymers, and acrylonitrile, as component A; b) 10 to 70 wt % of several impact-modifying graft rubbers without an olefinic double bond in the rubber phase as component B, wherein said component B contains: BI) I to 50 wt % of rubber particles that have an average particle diameter of 50 to 150 nm as component B I; B2) 50 to 99 wt % of rubber particles that have an average particle diameter of 800 to 1200 nm as component B2; c) 0 to 20 wt % of one or more additives as component C; are especially weather-resistant and have good mechanical properties.

Resin Composition and Article Molded Therefrom

The present invention relates to: a resin composition comprising a polyacetal resin (A), a salt (B) consisting of a carboxylic acid and an alkaline-earth metal, and a rubber-containing graft polymer (C); and a molded article formed by molding the resin composition. The resin composition and the molded article of the present invention are characterized in that the thermal decomposition associated with weight loss in a molding process or the formaldehyde in the molded article is reduced. 1: A resin composition comprisinga polyacetal resin (A),a salt (B) consisting of a carboxylic acid and an alkaline-earth metal, anda rubber-containing graft polymer (C), whereinthe amount of formaldehyde in an ISO-527 type 1A test piece formed by injection molding the resin composition at a molding temperature of 205° C. according to a VDA 275 test is 0.10 ppm or less, andthe weight reduction rate of the resin composition measured by TG-DTA, after the resin composition has been retained under the air at 230° C. for 20 minutes, is 4% or less.2: A resin composition comprisinga polyacetal resin (A),a salt (B) consisting of a carboxylic acid and an alkaline-earth metal, anda rubber-containing graft polymer (C), whereinwhen 2 parts by mass of the salt (B) consisting of a carboxylic acid and an alkaline-earth metal is dissolved in 18 parts by mass of deionized water comprising a nonionic dispersant, the obtained solution has pH 8 to 12, anda content of sodium and potassium in the resin composition is 200 ppm or less.3: A powder (X) comprising a salt (B) consisting of a carboxylic acid and an alkaline-earth metal , and a rubber-containing graft polymer (C) , whereinwhen 2 parts by mass of the salt (B) consisting of a carboxylic acid and an alkaline-earth metal is dissolved in 18 parts by mass of deionized water comprising a nonionic dispersant, the obtained solution has pH 8 to 12, andthe content of sodium and potassium is 1500 ppm or less.4: A resin composition comprising a polyacetal resin ...

Alternative Methods to Control Crosslinking in High Impact Polystyrene

High impact polystyrene may be formed with increased swell index and reduced or eliminated discoloration. A process of forming high impact polystyrene may include providing a polymerization system including a polymerization reactor and a devolatilizer. High impact polystyrene may be formed in the polymerization reactor, and sent to the devolatilizer. A polar antioxidant having a hindered phenol structure and an aliphatic amine group, and with a phosphite antioxidant may be added to the polymerization system. In another process, a chemical retarder and a fluorescent whitening agent may be added to the polymerization system. In another process, a chemical retarder that inhibits free radical rubber crosslinking may be added to the polymerization system. 124.-. (canceled)25. A process comprising:providing a polymerization system comprising a polymerization reactor upstream of a devolatilizer;forming a high impact polystyrene within the polymerization reactor;sending the high impact polystyrene to the devolatilizer; andadding a chemical retarder to the polymerization system at or upstream of the devolatilizer, wherein the chemical retarder inhibits free radical rubber crosslinking in the devolatilizer.26. The process of claim 25 , wherein the chemical retarder is present in the high impact polystyrene an amount ranging from greater than 0 to 1000 ppm.27. The process of claim 25 , wherein the chemical retarder is an antioxidant and thermal stabilizer.28. The process of claim 25 , wherein the chemical retarder is multifunctional antioxidant.29. The process of claim 25 , wherein the chemical retarder is a sterically hindered phenolic antioxidant.30. The process of claim 25 , wherein the chemical retarder is a polymeric sterically hindered phenolic antioxidant.31. The process of claim 25 , wherein the chemical retarder is a butylated reaction product of p-cresol and dicyclopentadiene.33. The process of claim 25 , wherein the chemical retarder is 2 claim 25 ,6-di-tert-butyl-4 ...

Core-Shell Copolymer, Method for Preparing the Same and Thermoplastic Resin Composition Including the Same

A core-shell copolymer, a method of making the same, and a thermoplastic resin composition including the same are disclosed herein. In some embodiments, a core-shell copolymer includes a core and a shell surrounding the core, the core includes a conjugated diene-based monomer-derived repeating unit and a phosphate-based cross-linking agent-derived cross-linking part represented by Formula 1, and the shell includes a first alkyl (meth)acrylate monomer-derived repeating unit, a second alkyl (meth)acrylate monomer-derived repeating unit, and a sulfonate-based ionic monomer-derived repeating unit represented by Formula 2. The core is 68 parts to 92 parts and the shell is 8 parts to 32 parts, based on 100 parts of the core-shell copolymer, the core has a swell index of 2.7 to 10.9, the shell includes 1 wt % to 16 wt % of the sulfonate-based ionic monomer-derived repeating unit, and the shell has a weight average molecular weight of 105,000 g/mol to 645,000 g/mol.

Thermoplastic Resin Composition and Molded Product Using the Same

A thermoplastic resin composition includes: 100 parts by weight of a base resin including (A) about 35 wt % to about 55 wt % of an acrylic graft copolymer; (B) about 35 wt % to about 55 wt % of an aromatic vinyl-vinyl cyanide copolymer; and (C) about 2 wt % to about 15 wt % of an alkyl(meth)acrylate-based resin; (D) about 0.4 parts by weight to about 2 parts by weight of a first sterically hindered amine represented by Chemical Formula 1 described in the detailed description; and (E) about 0.4 parts by weight to about 2 parts by weight of a second sterically hindered amine represented by Chemical Formula 2 described in the detailed description.

Cyclic olefin resin compositions comprising functional elastomers

This invention relates to compositions and methods for improving the impact properties of polymer-matrix composites and to improving the adhesion of resin compositions to substrate materials. More particularly, the invention relates to compositions and methods for improving the impact properties of ring opening metathesis polymerization (ROMP) polymer-matrix composites and to improving the adhesion of ROMP compositions to substrate materials using adhesion promoters containing at least two isocyanate groups and functional elastomers comprising a maleic anhydride grafted styrene-ethylene/butylene-styrene hydrogenated copolymer in a resin composition. The polymer products produced via ROMP reactions of the invention may be utilized for a wide range of materials and composite applications. The invention has utility in the fields of polymer and materials chemistry and manufacture.

LOW GLOSS ASA-BASED RESIN COMPOSITION HAVING EXCELLENT WEATHERABILITY AND HEAT RESISTANCE

A low gloss ASA-based resin composition having excellent weatherability and heat resistance is provided. The low gloss ASA-based resin composition is obtained by blending a general SAN copolymer, a heat-resistant SAN copolymer, a crosslinked aromatic vinyl compound-cyanide vinyl compound copolymer, and an amorphous inorganic material with large diameter and extra-large diameter ASA graft copolymers at a predetermined composition ratio. The low gloss ASA-based resin composition is useful in the manufacture of a high-quality molded article in which gloss characteristics are uniformly exhibited because impact resistance, heat resistance, flowability, weatherability, and low gloss characteristics are all excellent, and particularly, the gloss deviation on the entire surface of the injection molded article is significantly reduced. 1. A low gloss ASA-based resin composition comprising:(a) about 10 wt % to 40 wt % of an ASA graft copolymer comprising a large diameter acrylic rubber with an average particle diameter of about 3,000 to 5,000 Å as a core;(b) about 1 wt % to 20 wt % of an ASA graft copolymer comprising an extra-large diameter acrylic-based rubber with an average particle diameter of about 0.5 μm to 1.5 μm as a core;(c) about 20 wt % to 60 wt % of an SAN copolymer;(d) about 10 wt % to 40 wt % of a heat-resistant SAN copolymer;(e) about 1 wt % to 10 wt % of a crosslinked aromatic vinyl compound-cyanide vinyl compound copolymer; and(f) about 0.1 wt % to 5 wt % of an amorphous inorganic material.2. The low gloss ASA-based resin composition of claim 1 , wherein (a) the large diameter ASA graft copolymer or (b) the extra-large diameter ASA graft copolymer is prepared by an emulsion polymerization method claim 1 , and comprises an acrylic-based rubber as a core claim 1 , and a vinyl-based monomer is graft-polymerized on the surface of the core to form a shell.3. The low gloss ASA-based resin composition of claim 1 , wherein (a) the large diameter ASA graft copolymer ...

POLYACETAL RESIN COMPOSITION AND SLIDING MEMBER

A polyacetal resin composition which not only is highly inhibited from making creaking sounds but also has satisfactory performances with respect to other properties. The polyacetal resin composition includes 100 parts by weight of a polyacetal resin, 0.01-1 part by weight of a hindered phenolic antioxidant, 0.01-1 part by weight of a nitrogenous compound, 0.1-1 part by weight of a graft copolymer, 0.1-1 part by weight of a fatty acid ester, 0.5-5 parts by weight of a silicone oil, and 0.1-1 part by weight of calcium carbonate. The nitrogenous compound may be an aminotriazine compound, the graft copolymer includes an olefin-based polymer as the main chain and a vinyl-based polymer as side chains, the fatty acid ester includes a C12-32 fatty acid and a C2-30 mono- or polyhydric alcohol, and the calcium carbonate has an average particle diameter of 1 μm or smaller. 1. A polyacetal resin composition , comprising 100 parts by weight of a polyacetal resin (A) ,0.01 parts by weight to 1 part by weight of a hindered phenolic antioxidant (B),0.01 parts by weight to 1 part by weight of a nitrogenous compound (C),0.1 parts by weight to 1 part by weight of a graft copolymer (D),0.1 parts by weight to 1 part by weight of a fatty acid ester (E),0.5 parts by weight to 5 parts by weight of a silicone oil (F), and0.1 parts by weight to 1 part by weight of calcium carbonate (G), whereinthe nitrogenous compound (C) is at least one selected from the group consisting of an aminotriazine compound, a guanamine compound, a hydrazide compound, and a polyamide compound,the graft copolymer (D) has an olefin-based polymer (d1) as a main chain, and comprises a vinyl-based polymer (d2) as a side chain,the fatty acid ester (E) is constituted from a fatty acid with a carbon number of 12 to 32, and a monohydric or polyhydric alcohol with a carbon number of 2 to 30, and the calcium carbonate (G) has an average particle diameter of 1 μm or less.2. A polyacetal resin composition according to claim 1 ...

PRESSURE SENSITIVE COMPOSITIONS BASED ON A MODIFIED RUBBER POLYMER AQUEOUS DISPERSION

The invention relates to an aqueous polymer dispersion comprising: 1. An aqueous polymer dispersion comprising a mixture of:a) an aqueous polymer dispersion comprising grafted rubber polymeric particles from rubber polymer being selected from the group consisting of natural and synthetic rubber, [{'sub': 4', '10', 'b1, 'b1) a (meth)acrylate of a linear or branched alcohol in Cto Cor a mixture of such (meth)acrylates, said (meth)acrylate having Tglower than −30° C., and'}, {'sub': 'b2', 'b2) optionally, at least one comonomer having Tghigher than −30° C.,'}], 'b) an aqueous polymer dispersion with polymeric particles of a second polymer comprising monomeric units derived from a monomeric composition b) comprising'}with said grafted rubber polymeric particles being grafted in an aqueous dispersion by a part of said monomeric composition b) as defined above and with the said grafted part of monomeric composition b) on said rubber polymer a) representing from 25 to 50% w/w of the total weight of said monomeric composition b) involved in both grafted polymer a) and in polymer b).2. The dispersions according to claim 1 , wherein said rubber polymer a) is natural rubber.3. The dispersion according to claim 1 , wherein said rubber polymer a) is synthetic rubber and selected from the group consisting of: polyisoprene claim 1 , polybutadiene and their copolymers isoprene-butadiene and from other copolymers of isoprene and of butadiene.4. The dispersion according to wherein a weight proportion of said rubber polymer a) claim 1 , without grafted monomers claim 1 , with respect to the global weight of a) b) claim 1 , represents from 5 to 45%.5. The dispersion according to wherein b1) is selected from the group consisting of: butyl (meth)acrylate claim 1 , 2-ethyl hexyl (meth)acrylate claim 1 , 2-octyl (meth)acrylate claim 1 , isooctyl (meth)acrylate claim 1 , nonyl(meth)acrylate claim 1 , decyl (meth)acrylate claim 1 , and a mixture of at least two or of at least three of said ...

Polybutylene terephthalate elastomer composition having excellent heat resistance

The present invention relates to a polybutylene terephthalate (PBT) elastomer composition having excellent heat resistance, and more particularly to a polybutylene terephthalate (PBT) elastomer composition comprising: a PBT resin; a vegetable oil or an environmentally friendly plasticizer, which serves to reduce the hardness of the PBT resin; a glycol-modified polyethylene terephthalate (PET-G) resin and a thermoplastic polyester elastomer (TPEE) resin, which serve to improve physical properties and processability; and a core-shell type copolymer having excellent miscibility with the plasticizer. In a preferred embodiment, the PBT elastomer composition comprises: 100 parts by weight of a PBT resin; 10 to 120 parts by weight of an environmentally friendly plasticizer; and 10 to 120 parts by weight of a thermoplastic copolyester elastomer (TPEE) resin.

Thermoplastic Resin Composition, and Molded Product Produced Therefrom

This thermoplastic resin composition of the present invention comprises: approximately 100 parts by weight of a polycarbonate resin; approximately 1 to approximately 20 parts by weight of a rubber-modified vinyl-based copolymer resin; approximately 10 to approximately 30 parts by weight of a phosphorous-based flame retardant agent; approximately 3 to approximately 12 parts by weight of calcium carbonate; approximately 10 to approximately 40 parts by weight of talc; approximately 5 to approximately 11 parts by weight of wollastonite; and approximately 0.01 to approximately 5 parts by weight of a black pigment. The weight ratio of the calcium carbonate to the talc is approximately 1:1.5 to approximately 1:3.5, and the weight ratio of the talc to the wollastonite is approximately 1:0.3 to approximately 1:0.7. The thermoplastic resin composition can exhibit the properties of high gloss and a good outer appearance, and has excellent fluidity, impact resistance, heat resistance, thin film flame retardancy, and dimensional stability.

Flame-resistant filling-material-reinforced polycarbonate composition having a reduced bisphenol-a content

A composition for production of a thermoplastic moulding compound, wherein the composition comprises the following constituents: A) 45.0% to 95.0% by weight of at least one polymer selected from the group consisting of aromatic polycarbonate, aromatic polyestercarbonate and aromatic polyester, B) 1.0% to 35.0% by weight of polymer free of epoxy groups, consisting of B1) rubber-modified graft polymer and B2) optionally rubber-free vinyl (co)polymer, C) 0.1% to 10.0% by weight of a polymer comprising structural elements that derive from styrene and an epoxy-comprising vinyl monomer, D) 1.0% to 20.0% by weight of phosphorus-comprising flame retardant, E) 1.0% to 35.0% by weight of filler, and F) 0.1% to 10.0% by weight of additives, wherein component C has a weight ratio of structural elements that derive from styrene to those that derive from epoxy-comprising vinyl monomers of 100:1 to 1:1. Related processes, compounds, and moulded articles are also provided.

Binder composition for non-aqueous secondary battery electrode, slurry composition for non-aqueous secondary battery electrode, electrode for non-aqueous secondary battery, and non-aqueous secondary battery

Provided is a binder composition for a non-aqueous secondary battery electrode that enables formation of an electrode for a non-aqueous secondary battery that has excellent peel strength and can cause a non-aqueous secondary battery to display excellent cycle characteristics. A binder composition according to a first aspect contains a particulate polymer A1 that includes an aliphatic conjugated diene monomer unit in a proportion of 70 mass % to 99 mass % and a carboxylic acid group-containing monomer unit in a proportion of 1 mass % to 30 mass %. A binder composition according to a second aspect contains a particulate polymer A2 that includes an aliphatic conjugated diene monomer unit in a proportion of 70 mass % to 95 mass % and a (meth)acrylic acid ester monomer unit in a proportion of 1 mass % to 30 mass %, and that has a degree of swelling in electrolyte solution of a factor of 1.2 to 7.0.

Thermoplastic Resin Composition and Article Produced Therefrom

A thermoplastic resin composition of the present invention comprises: about 100 parts by weight of a polycarbonate resin; about 1 part by weight to about 5 parts by weight of a silicone-based rubber modified vinyl graft copolymer; and about 0.03 parts by weight to about 0.2 parts by weight of a metallic salt compound; wherein the metallic salt compound comprises a compound represented by the Formula 1, a compound represented by the Formula 2 and/or a compound represented by the Formula 3 as defined herein. The thermoplastic resin composition can have good properties in terms of impact resistance, impact resistance after ultrasonic welding, flame retardancy, heat resistance, and the like. 2. The thermoplastic resin composition according to claim 1 , wherein the silicone-based rubber modified vinyl graft copolymer is obtained by graft polymerization of an alkyl(meth)acrylate monomer to a silicone-based rubber polymer.3. The thermoplastic resin composition according to claim 1 , wherein the metallic salt compound is a mixture of about 80 wt % to about 95 wt % of the compound represented by the Formula 1 and about 5 wt % to about 20 wt % of the compound represented by the Formula 2.4. The thermoplastic resin composition according to claim 1 , wherein the metallic salt compound is the compound represented by the Formula 3.5. The thermoplastic resin composition according to claim 1 , wherein the silicone-based rubber modified vinyl graft copolymer and the metallic salt compound are present in a weight ratio of about 5:1 to about 80:1.6. The thermoplastic resin composition according to claim 1 , wherein the thermoplastic resin composition has a Notched Izod impact strength of about 55 kgf·cm/cm to about 80 kgf·cm/cm claim 1 , as measured on a ⅛″ thick specimen in accordance with ASTM D256.7. The thermoplastic resin composition according to claim 1 , wherein the thermoplastic resin composition has a fracture height of about 40 cm to about 80 cm claim 1 , as measured on a 1 ...

Resin composition and film thereof

An object of the present invention is to provide a resin material capable of producing a molded body having few defects due to foreign substances, having high mechanical strength, very small in both orientation birefringence and photoelastic birefringence, and having high transparency, and having high transparency even when such a resin material is stretched. Provided is a resin composition containing a resin (A) and a multilayer structure polymer (B), wherein the multilayer structure polymer (B) has a crosslinked polymer layer and a hard polymer layer, and the hard polymer layer has at least two different hard polymer layers, at least one of which is a hard polymer layer (C) opposite in sign of a photoelastic constant to that of the resin (A).

NANOSTRUCTURED THERMOPLASTIC POLYAMIDE-GRAFTED POLYOLEFIN COMPOSITION

A composition including at least two grafted copolymers, having a polyolefin trunk and polyamide grafts, the polyamide grafts being 15% to 25% by weight of the composition. Also, a multilayered structure including a plurality of adjacent layers, at least one of which has the above composition. The first grafted copolymer is a polyolefin backbone containing a residue of at least one unsaturated monomer (X) and a plurality of polyamide grafts, the polyamide grafts are attached to the polyolefin backbone by the residue of the unsaturated monomer (X). The second copolymer is a grafted elastomeric copolymer of a polyolefin backbone. 1. A thermoplastic composition consisting of a first copolymer and a second elastomeric copolymer , these two copolymers being grafted by a plurality of polyamide grafts , the composition optionally comprising a third copolymer of a different nature than the first two copolymers and/or at least one functional adjuvant , wherein:the first grafted copolymer consists of a polyolefin backbone containing a residue of at least one unsaturated monomer (X) and a plurality of polyamide grafts, the polyamide grafts are attached to the polyolefin backbone by the residue of the unsaturated monomer (X) comprising a function capable of reacting by a condensation reaction with a polyamide having at least one amine end group and/or at least one carboxylic acid end group, the residue of the unsaturated monomer (X) is fixed to the backbone by grafting or copolymerization; andthe second copolymer consists of a grafted elastomeric copolymer consisting of a polyolefin backbone selected from a maleicized ethylene-propylene copolymer, a maleicized ethylene-butene copolymer, a maleicized ethylene-hexene copolymer, a maleicized ethylene-octene copolymer, a maleicized ethylene-methyl acrylate copolymer, and a plurality of polyamide grafts; between 10% and 70% by weight of the composition for the polyolefin backbone of the abovementioned first copolymer,', 'between 10% ...

Thermoplastic resin composition and molded article in which same is used

The thermoplastic resin composition of the present invention contains a thermoplastic resin (A) and carbon black (B), wherein the thermoplastic resin (A) contains a graft copolymer (C) in which a vinyl-based polymer is grafted to a rubber-like polymer, the carbon black (B) has a volume average particle size of secondary particles of 200 nm or more, and a proportion of secondary particles having a particle size of 800 nm or more with respect to the entire secondary particles of less than 20% by volume, and a content of the carbon black (B) is from 0.1 to 3.0 parts by mass with respect to 100 parts by mass of the thermoplastic resin (A).

CURABLE RESIN COMPOSITION AND CURED PRODUCT THEREOF, AND METHOD FOR PRODUCING THREE-DIMENSIONAL SHAPED PRODUCT

To provide a low-viscosity curable resin composition capable of obtaining a cured product excellent in impact resistance. The curable resin composition contains core-shell type rubber particles, a radically polymerizable compound having one or more radically polymerizable functional groups in the molecule, and a radical polymerization initiator, and the core-shell type rubber particles have a core layer and a shell layer containing a polymer having an alicyclic hydrocarbon group in a side chain, and the radically polymerizable compound contains a radically polymerizable compound having a molecular weight of 500 or more in a ratio of 2 mass % to 70 mass %. 1. A curable resin composition comprisinga core-shell type rubber particle;a radically polymerizable compound having one or more radically polymerizable functional groups in the molecule;a radical polymerization initiator,wherein the core-shell type rubber particle has a core layer and a shell layer containing a polymer having an alicyclic hydrocarbon group in a side chain, andwherein the curable resin composition contains a radically polymerizable compound having a molecular weight of 500 or more in a ratio of 2 mass % or more and 70 mass % or less.2. The curable resin composition according to claim 1 , wherein the radically polymerizable compound contains less than 50 mass % of a (meth) acrylate compound having an alicyclic hydrocarbon group.3. The curable resin composition according to claim 1 , wherein the radically polymerizable compound having a molecular weight of 500 or more is a polyfunctional urethane (meth)acrylate having at least 2 (meth)acryloyl groups and at least 2 urethane groups.4. The curable resin composition according to claim 1 , wherein a content of the core-shell type rubber particle is 7 parts by mass or more and 65 parts by mass or less based on 100 parts by mass of the radically polymerizable compound.5. The curable resin composition according to claim 1 , wherein the core-shell type ...

Contacting component and structure containing said contacting component

A contacting component and a structure including the contacting component are provided which are not only reduced in squeaking noises that are generated when comes into contact with and rubs against other members, but also superior in appearance of matting property. The contacting component comprises a molded article made from a thermoplastic resin composition (X) containing a vinyl graft polymer (A), a vinyl non-graft polymer (B) and a matting agent (C), wherein the vinyl graft polymer (A) contains an ethylene-α-olefin rubber polymer (a1), and the structure comprises the contacting component.

IMPACT MODIFIED STYRENIC POLYMERS WITH IMPROVED ENVIRONMENTAL STRESS CRACK RESISTANCE PROPERTIES

Polymer blends comprising components A), B) and C): A) 80 to 96% by weight of an impact modified styrenic polymer A), B) 1 to 7% by weight of a polymer blend B) comprising B1) 25 to 75% by weight of polyisobutylene and B2) 25 to 75% by weight of a polyolefin, C) 3 to 13% by weight of an elastomeric block copolymer C) of structure (A-(B/A))-A, where A is a vinylaromatic block, (B/A) is a random copolymer block of vinylaromatic monomer and diene, and n is 1 to 10, exhibit improved environmental stress crack resistance properties in presence of hydrofluoro olefins. 114-. (canceled)16. The polymer blend according to claim 15 , comprising components A) claim 15 , B) claim 15 , and C) in the following amounts:A) 84 to 94% by weight of the impact modified styrenic polymer A), comprising a styrenic polymer and an impact modifying polymer, in particular HIPS; B1) 25 to 75% by weight of polyisobutylene B1), and', 'B2) 25 to 75% by weight of the polyolefin B2), in particular LDPE and/or LLDPE,, 'B) 1.5 to 6.5% by weight of a polymer blend B), comprising'}C) 4 to 11% by weight of the elastomeric block copolymer C).17. The polymer blend according to claim 15 , comprising components A) claim 15 , B) claim 15 , and C) in the following amounts:A) 84.5 to 93% by weight of the impact modified styrenic polymer A), comprising a styrenic polymer and an impact modifying polymer, in particular HIPS; B1) 25 to 75% by weight of polyisobutylene B1), and', 'B2) 25 to 75% by weight of the polyolefin B2), in particular LDPE and/or LLDPE,, 'B) 2 to 6% by weight of a polymer blend B), comprising'}C) 4.5 to 10.5% by weight of the elastomeric block copolymer C).18. The polymer blend according to claim 15 , comprising components A) claim 15 , B) claim 15 , and C) in the following amounts:A) 85 to 92.5% by weight of the impact modified styrenic polymer A), comprising a styrenic polymer and an impact modifying polymer, in particular HIPS; B1) 25 to 75% by weight of polyisobutylene B1), and', 'B2) 25 ...

Thermoplastic Resin Composition for Laser Direct Structuring Process, and Molded Product Comprising Same

The present invention relates to a thermoplastic resin composition for laser direct structuring process, and a molded product comprising the same. In one specific embodiment, the thermoplastic resin composition comprises: approximately 100 parts by weight of a base resin; approximately 0.1-20 parts by weight of an additive for laser direct structuring; and approximately 1-20 parts by weight of an impact modifier, wherein the base resin comprises a polycarbonate resin, a polycarbonate-polysiloxane copolymer and a polyester resin. 1. A thermoplastic resin composition comprising:100 parts by weight of a base resin comprising about 20 wt % to about 70 wt % of a polycarbonate resin, about 10 wt % to about 70 wt % of a polycarbonate-polysiloxane copolymer, and about 5 wt % to about 30 wt % of a polyester resin containing an alicyclic group in a main chain;about 0.1 to about 20 parts by weight of an additive for laser direct structuring; andabout 1 to about 20 parts by weight of an impact modifier.2. The thermoplastic resin composition according to claim 1 , wherein the polyester resin comprises poly(l claim 1 ,4-cyclohexylene dimethylene terephthalate) (PCT).3. The thermoplastic resin composition according to claim 1 , wherein the polycarbonate-polysiloxane copolymer comprises about 80 wt % to about 95 wt % of a polycarbonate block and about 5 wt % to about 20 wt % of a polysiloxane block.4. The thermoplastic resin composition according to claim 1 , wherein the polycarbonate-polysiloxane copolymer has a weight average molecular weight of about 10 claim 1 ,000 g/mol to about 50 claim 1 ,000 g/mol.5. The thermoplastic resin composition according to claim 1 , wherein the additive for laser direct structuring comprises a heavy metal oxide complex spinel and/or a copper salt.6. The thermoplastic resin composition according to claim 1 , wherein the impact modifier comprises an impact modifier having a core-shell structure obtained by grafting an unsaturated compound comprising ...

GLASS FIBER REINFORCED THERMOPLASTIC COMPOSITIONS WITH GOOD MECHANICAL PROPERTIES

The invention relates to compositions for the production of thermoplastic moulding materials, where the compositions comprise the following constituents: 1. A compositions for the production of thermoplastic moulding materials comprising:A) at least one polymer selected from the group consisting of aromatic polycarbonate, aromatic polyester carbonate and polyester,B) at least one anhydride-functionalized ethylene-α-olefin-copolymer or anhydride-functionalized ethylene-α-olefin terpolymer with a weight-average molar mass Mw determined by high-temperature gel permeation chromatography using ortho-dichlorobenzene as solvent against polystyrene standards of 50000 to 500000 g/mol,C) at least one rubber-modified graft polymer, andD) glass fibers.2. The composition of claim 1 , wherein component B has from 2 to 40 mol % of α-olefin units and from 60 to 98 mol % of ethylene units claim 1 , based on the entirety of α-olefin and ethylene.3. The composition of claim 1 , wherein the anhydride content of component B is from 0.1 to 3.0% by weight.4. The composition of claim 1 , wherein component B is a maleic-anhydride-functionalized copolymer of ethylene and 1-octene.5. The composition of claim 1 , wherein component C is at least one graft polymer ofC.1 5 to 95% by weight of at least one vinyl monomer onC.2 5 to 95% by weight of a one or more elastomeric graft bases with glass transition temperatures below −10° C., wherein the glass transition temperature is determined by means of differential scanning calorimetry according to standard DIN EN 61006 at a heating rate of 10 K/min. with definition of the glass transition temperature as the mid-point temperature.6. The composition of claim 5 , wherein component C.2 is selected from the group consisting of diene rubbers claim 5 , styrene-butadiene block copolymer rubbers claim 5 , acrylate rubbers claim 5 , silicone rubbers claim 5 , silicone/acrylate composite rubbers and ethylene/propylene/diene rubbers.7. The composition of claim ...

POLYMER BLEND

The present invention is directed to a polymer blend comprising a first polymer and a second polymer, the first polymer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and polymeric sidechains bonded to the backbone chain, the sidechains comprising a polymer immiscible with the backbone; the second polymer consisting of a polymer miscible with the polymeric sidechains. 1. A polymer blend comprising a copolymer and an additional polymer , the copolymer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and polymeric sidechains bonded to the backbone chain , the sidechains comprising a polymer immiscible with the backbone; the additional polymer consisting of a polymer miscible with the polymeric sidechains.2. The polymer blend of claim 1 , wherein the polymeric sidechains comprises a polymer capable of exhibiting a lower critical solution temperature (LCST).3. The polymer blend of claim 1 , wherein the additional polymer comprises a homopolymer capable of exhibiting a lower critical solution temperature (LCST).4. A polymer blend comprising a copolymer and an additional polymer claim 1 ,the copolymer comprising:a polymeric backbone chain comprising a diene based elastomer selected from the group consisting of solution polymerized styrene butadiene rubber, emulsion polymerized styrene butadiene rubber, natural polyisoprene rubber, synthetic polyisoprene rubber, and polybutadiene; andpolymeric sidechains bonded to the backbone chain, the sidechains comprising a polymer selected from the group consisting of poly(N-isopropylacrylamide), poly(N-cyclopropylacrylamide), and poly(N,N-diethylacrylamide);the additional polymer consisting of a polymer miscible with the polymeric sidechains.5. A polymer blend comprising a copolymer and an additional polymer ...

TIRE

An object of the present disclosure is to provide a highly durable tire using a resin composition, and a solution to the problem is a tire obtained by using a resin composition containing a polyamide resin and an elastomer having a glass transition temperature of 25° C. or less, wherein the melt viscosity ν (Pa·sec) at 240° C. and the average distance between elastomer interfaces, τ (μm), satisfy the relationship of the following expression (1): 1. A tire obtained by using a resin composition , the resin composition comprising:a polyamide resin; and {'br': None, 'sup': '−3.525', 'ν<34.369τ\u2003\u2003(1)'}, 'an elastomer having a glass transition temperature of 25° C. or less, wherein a melt viscosity ν (Pa·sec) at 240° C. and an average distance between elastomer interfaces, τ (μm), satisfy the relationship of the following expression (1)2. The tire according to claim 1 ,wherein the polyamide resin is a polyamide resin formed by polymerizing an aliphatic diamine having 6 to 20 carbon atoms and an aliphatic dicarboxylic acid having 10 to 20 carbon atoms.3. The tire according to claim 1 ,wherein the elastomer includes at least one selected from the group consisting of polyethylene, polypropylene, ethylene-propylene rubber, ethylene-1-butene copolymer, poly α-olefin, acrylic rubber, and styrene-ethylene-butylene-styrene copolymer.4. The tire according to claim 1 ,wherein maleic anhydride is copolymerized with or grafted onto at least a portion of the elastomer.5. The tire according to claim 1 ,wherein an epoxy-terminated acrylic acid ester is copolymerized with or grafted onto at least a portion of the elastomer.6. The tire according to claim 1 ,wherein the resin composition includes 60 to 90% by mass of the polyamide resin.7. The tire according to claim 1 ,wherein 10 to 50% by mass of the elastomer is a modified elastomer and 90 to 50% by mass of the elastomer is an unmodified elastomer.8. The tire according to claim 1 ,wherein the resin composition further comprises ...

Cyanate Ester Resin Composition and Prepreg

A cyanate ester resin composition contains: a cyanate ester resin; a curing agent or a curing accelerator; silica microparticles; and core-shell rubber particles; in which the resin composition includes from 1 to 5 parts by mass of the silica microparticles and from 2 to 10 parts by mass of the core-shell rubber particles based on 100 parts by mass of the cyanate ester resin, and a mass ratio of the silica microparticles to the core-shell rubber particles is from 1/1 to 1/5. 1. A cyanate ester resin composition , comprising:a cyanate ester resin (A);a curing agent or a curing accelerator (B);silica microparticles (C); andcore-shell rubber particles (D), whereinthe resin composition includes from 1 to 5 parts by mass of the silica microparticles (C) and from 2 to 10 parts by mass of the core-shell rubber particles (D) based on 100 parts by mass of the cyanate ester resin (A), anda mass ratio of the silica microparticles (C) to the core-shell rubber particles (D) is from 1/1 to 1/5 as (C)/(D).2. The cyanate ester resin composition according to claim 1 , wherein a tan δ at a strain 1% is less than 1 and a tan δ at a strain 100% is 1 or greater when viscoelasticity is measured at a temperature of 70° C. and a frequency 1 Hz on a parallel plate.3. The cyanate ester resin composition according to claim 1 , wherein the cyanate ester resin (A) is a novolac type cyanate ester resin.4. The cyanate ester resin composition according to claim 1 , wherein a compounded amount of the silica microparticles (C) per 100 parts by mass of the cyanate ester resin (A) is from 2 to 4 parts by mass.5. The cyanate ester resin composition according to claim 1 , wherein a compounded amount of the core-shell rubber particles (D) per 100 parts by mass of the cyanate ester resin (A) is from 4 to 8 parts by mass.6. The cyanate ester resin composition according to claim 1 , wherein a mass ratio of the silica microparticles (C) to the core-shell rubber particles (D) is from 1/1.5 to 1/4 as (C)/(D).7 ...

POLYMER LATEX AND ELASTOMERIC FILM MADE THEREFROM HAVING SELF-HEALING PROPERTIES

The present invention relates to an aqueous dispersion comprising core-shell polymer latex particles wherein the shell of the core-shell polymer latex particles bears ethylenically unsaturated groups pending from the polymeric backbone of the shell of the latex particles wherein the ethylenic unsaturation is separated from the polymeric backbone by at least 3 chemical bonds and wherein the shell of the core-shell particles is cross-linked and the core of the core-shell particles is not crosslinked, to a method for making the aqueous dispersion, to an elastomeric film made from the aqueous dispersion, to an article comprising the elastomeric film and to a method for making a self-supported elastomeric film from the aqueous dispersion. 1. An aqueous dispersion comprising core-shell polymer latex particles wherein the shell of the core-shell polymer latex particles bears ethylenically unsaturated groups pending from the polymeric backbone of the shell of the latex particles wherein the ethylenic unsaturation is separated from the polymeric backbone by at least 3 chemical bonds and wherein the shell of the core-shell particles is cross-linked and the core of the core-shell particles is not crosslinked.2. The aqueous dispersion according to claim 1 , wherein the shell of the core-shell polymer latex particles comprise structural units represented by formula (1){'br': None, 'sup': 1', '2', '3, '-L-CR═CRR\u2003\u2003(1)'}{'sup': 1', '2', '3', '1', '2', '3, 'wherein L is a linear or branched divalent group providing at least two atoms in the chain between —CR═CRRand the polymeric backbone of the shell of the latex particles or a divalent group comprising a cyclic group and R, R, and Rare independently selected from hydrogen and monovalent organic groups.'}3. The aqueous dispersion according to claim 1 , wherein -L- is selected from divalent hydrocarbon groups and groups comprising at least one hetero atom in the chain linking —CR═CRRto the polymeric backbone.4. The aqueous ...

Grafted polymer bearing pendent cyclic carbonate functional groups

A modified polymer is obtained by grafting at least one compound of formula (I) to at least one unsaturation of the chain of an initial polymerin which Q represents a dipole comprising at least one nitrogen atom; A represents an arenediyl ring, optionally substituted by one or more hydrocarbon-based chains, which are identical or different, independent of one another, and are optionally substituted or interrupted by one or more heteroatoms; E represents a divalent hydrocarbon-based bonding group which may optionally contain one or more heteroatoms; R1, R2 and R3 represent, independently of one another, a hydrogen atom or a hydrocarbon-based chain which is optionally substituted or interrupted by one or more heteroatoms; and n is an integer having a value greater than or equal to 1.

CURABLE COMPOSITION AND TIRE SEALANT COMPOSITION

Provided are a curable composition and a tire sealant composition which are capable of maintaining a balance among processability, shape retention, and elongation at a high level. The curable composition comprises the following components A to C: A: a reactive silicon group-containing polymer; B: one or more polymers having a number average molecular weight of 50,000 or less, the polymers being selected from the group consisting of polybutene, polyisobutylene, polyisobutylene butadiene, polypentene, and polyisopentene; and C: one or more resins selected from the group consisting of C5 resin, C9 resin, C5-C9 resin, dicyclopentadiene resin, rosin resin, alkylphenol resin, and terpene phenol resin. 1. A curable composition comprising the following components A to C:A: a reactive silicon group-containing polymer;B: one or more polymers having a number average molecular weight of 50,000 or less, the polymers being selected from the group consisting of polybutene, polyisobutylene, polyisobutylene butadiene, polypentene, and polyisopentene; andC: one or more resins selected from the group consisting of C5 resin, C9 resin, C5-C9 resin, dicyclopentadiene resin, rosin resin, alkylphenol resin, and terpene phenol resin.2. The curable composition of claim 1 , wherein the component A is an alkoxysilyl-modified polymer.3. The curable composition of claim 1 , wherein the component A has a number average molecular weight of 2 claim 1 ,500 to 10 claim 1 ,000.4. The curable composition of claim 1 , wherein the component B is included in an amount of 60 parts by mass or less per 100 parts by mass of the component A.5. The curable composition of claim 1 , wherein the component C is included in an amount of 20 parts by mass or less per 100 parts by mass of the component A.6. A tire sealant composition comprising the curable composition of .7. The curable composition of claim 2 , wherein the component A has a number average molecular weight of 2 claim 2 ,500 to 10 claim 2 ,000.8. The ...

Thermoplastic Resin Composition and Molded Article Manufactured Therefrom

A thermoplastic resin composition of the present invention is characterized by comprising: a thermoplastic resin containing an acrylate-based rubber-modified vinyl-based graft copolymer and an aromatic vinyl-based copolymer resin; an ultraviolet stabilizer containing a hindered amine light stabilizer (HALS)-based ultraviolet stabilizer and a benzotriazole-based ultraviolet stabilizer; and zinc oxide having an average particle size of about 0.5 to about 3 μm and a specific surface area BET of about 1 to about 10 m/g. The thermoplastic resin composition has excellent weather resistance and antibacterial properties. 1. A thermoplastic resin composition comprising:a thermoplastic resin comprising an acrylate-based rubber-modified vinyl graft copolymer and an aromatic vinyl copolymer resin;an ultraviolet (UV) stabilizer comprising an HALS (hindered amine light stabilizer)-based UV stabilizer and a benzotriazole-based UV stabilizer; and{'sup': 2', '2, 'zinc oxide having an average particle diameter of about 0.5 μm to about 3 μm and a BET specific surface area of about 1 m/g to about 10 m/g.'}2. The thermoplastic resin composition according to claim 1 , comprising: about 100 parts by weight of the thermoplastic resin comprising about 20 wt % to about 50 wt % of the acrylate-based rubber-modified vinyl graft copolymer and about 50 wt % to about 80 wt % of the aromatic vinyl copolymer resin; about 0.05 to about 2 parts by weight of the HALS-based UV stabilizer; about 0.05 to about 2 parts by weight of the benzotriazole-based UV stabilizer; and about 0.1 to about 5 parts by weight of the zinc oxide.3. The thermoplastic resin composition according to claim 1 , wherein the acrylate-based rubber-modified vinyl graft copolymer is prepared by graft copolymerization of a monomer mixture comprising an aromatic vinyl monomer and a vinyl cyanide monomer to an acrylate-based rubber polymer.4. The thermoplastic resin composition according to claim 1 , wherein the aromatic vinyl ...

POLYCARBONATE COMPOSITIONS HAVING GOOD MECHANICAL PROPERTIES

The invention relates to compositions containing: 1. A composition comprising:A) 10% to 90% by weight of an aromatic polycarbonate and/or a polyester carbonate,B) 1% to 50% by weight of a rubber-based graft polymer having a graft sheath B.1) consisting of at least 95% by weight, based on the component B.1), of B.1.1) styrene and B.1.2) acrylonitrile and optionally not more than 5% by weight, based on the component B.1), of at least one further vinyl monomer B.1.3) copolymerizable with B.1.1) and B.1.2) and also a rubber-like graft substrate B.2),C) 1% to 50% by weight of a rubber-free copolymer consisting of at least 95% by weight, based on the component C), of C.1) styrene and C.2) acrylonitrile and optionally not more than 5% by weight, based on the component C), of at least one further vinyl monomer C.3) copolymerizable with C.1) and C.2),wherein the content of acrylonitrile C.2) in the component C) is 1.5% to 8.0% by weight higher than the content of acrylonitrile B.1.2) in the graft sheath B.1) of component B) and wherein the component C has a weight-average molecular weight Mw determined by gel permeation chromatography (GPC) in tetrahydrofuran with a polystyrene standard of 70 to 200 kDa,2. The composition according to claim 1 , wherein the weight ratio of the components B.1.1) to B.1.2) is in the range from 68/32 to 80/20.3. The composition according to claim 1 , wherein the component B.1) consists of B.1.1) styrene and B.1.2) acrylonitrile.4. The composition according to claim 1 , comprising40% to 90% by weight of the component A),5% to 40% by weight of the component B),5% to 40% by weight of the component C), and0.1% to 40% by weight of polymer additives as a component D).5. The composition according to claim 1 , comprising50% to 75% by weight of the component A),10% to 30% by weight of the component B),10% to 30% by weight of the component C), and0.1% to 10% by weight of a component D).6. The composition according to claim 1 , wherein the weight ratio of ...

Process of Making Crosslinked Polyolefin Polymer Blends and Compositions Prepared Thereof

Provided herein is a process for making a grafted cross-linked polymer blend, by polymerizing a first and second polymer solution (each having 75 to 99 wt % propylene-derived units, 1 to 25 wt % ethylene-derived units, and 0.05 to 6 wt % diene-derived units); combining the first and second polymer solution to produce a polymer blend solution; removing solvent from the polymer blend solution to produce a polymer blend; mixing the polymer blend with a coagent and a vinyl-terminated silane compound; subjecting the polymer blend to electron beam irradiation to grafting the vinyl-terminated silane compound to either or both of the first polymer and the second polymer to form a grafted polymer blend; and moisture curing the grafted polymer blend to form a grafted cross-linked polymer blend, wherein the grafted cross-linked polymer blend is substantially free of peroxide. 1. A process for making a grafted cross-linked polymer blend comprising the steps of:a) polymerizing a first polymer solution comprising a first polymer in a first reactor; 'wherein the first and second polymers each comprise from about 75 to about 99 wt % propylene-derived units, from about 1 to about 25 wt % ethylene-derived units, and from about 0.05 to about 6 wt % diene-derived units;', 'b) polymerizing a second polymer solution comprising a second polymer in a second reactor;'}c) combining the first polymer solution with the second polymer solution to produce a polymer blend solution comprising a solvent, the first polymer, and the second polymer;d) removing the solvent from the polymer blend solution to produce a polymer blend;e) mixing the polymer blend with a coagent and a vinyl-terminated silane compound;f) subjecting the polymer blend to electron beam irradiation, thereby grafting the vinyl-terminated silane compound to either or both of the first polymer and the second polymer in the polymer blend to form a grafted polymer blend; andg) moisture curing the grafted polymer blend to form a ...

ASA-BASED RESIN COMPOSITION, MOLDED ARTICLE INCLUDING ASA-BASED RESIN COMPOSITION, AND METHOD OF MANUFACTURING MOLDED ARTICLE

Disclosed is an ASA resin composition, a molded article including the ASA resin composition, and a method of manufacturing the molded article. Also disclosed is an ASA resin composition including 20 to 47% by weight of an acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer containing acrylate rubber having an average particle diameter of 50 to 150 nm as a core; 23 to 55% by weight of an alkyl methacrylate-aromatic vinyl compound-vinyl cyanide compound copolymer; and 25 to 45% by weight of a poly(alkyl methacrylate) resin, a molded article including the ASA resin composition, and a method of manufacturing the molded article. Also disclosed is an ASA resin composition having excellent colorability and transparency even at a processing thickness of a predetermined value while having excellent mechanical properties and processability, a molded article including the ASA resin composition, and a method of manufacturing the molded article are provided.

TIRE FOR A VEHICLE CARRYING HEAVY LOADS, COMPRISING A NEW TREAD

A tire intended to equip a vehicle bearing heavy loads, which includes a tread having at least one rubber composition is provided. The rubber composition is based on at least one elastomer matrix predominantly comprising a copolymer based on styrene and butadiene, a reinforcing filler predominantly comprising silica, a chemical crosslinking system, an agent for coupling between the elastomer matrix and the reinforcing filler, a plasticizing system, and an agent for modifying the copolymer based on styrene and butadiene. The modifying agent is a 1,3-dipolar compound of general formula (I): 1. A tire intended to equip a vehicle bearing heavy loads , this tire comprising a tread including at least one rubber composition based on at least:an elastomer matrix predominantly comprising a copolymer based on styrene and butadiene having a glass transition temperature Tg strictly above −65° C. and below or equal to −30° C.,a reinforcing filler predominantly comprising silica,a chemical crosslinking system,an agent for coupling between the elastomer matrix and the reinforcing filler,a plasticizing system comprising from 2 to 15 phr, of at least one plasticizing resin having a glass transition temperature Tg of greater than or equal to 20° C., and of which the total content of the plasticizing system in the composition ranges from 2 to 17 phr, and [{'br': None, 'A-E-D\u2003\u2003(I)'}, 'the symbol D represents a functional group comprising at least one nitrogen atom and being capable of bonding to said copolymer via a cycloaddition of [3+2] type on a carbon-carbon double bond of the chain of said copolymer,', 'the symbol E represents a divalent spacer group connecting group D to group A,', {'sub': 1', '20', '7', '18', '7', '18, 'A represents a functional group chosen from C-Calkyls, C-Calkylaryls, C-Carylalkyls, optionally substituted nitrogen-based heterocycles of 5 to 6 atoms, optionally substituted sulfur-based heterocycles of 5 to 6 atoms, ester groups, phosphate groups, ...

METHOD OF PREPARING THERMOPLASTIC RESIN COMPOSITION HAVING SUPERIOR SURFACE CLEARNESS AND GLOSS

Disclosed are a method of preparing a thermoplastic resin composition having superior surface clearness and gloss. More particularly, the present invention relates to a method of preparing a superior thermoplastic resin composition which has superior surface clearness and superior gloss and may prevent mold deposition during a high speed injection process, by using a reactive emulsifier during emulsion polymerization of rubber latex composed of polybutadiene, preparing resin latex using a hydrophobic initiator during graft copolymerization of rubber latex, an aromatic vinyl monomer, and a vinyl cyan monomer, compression dehydrating a moisture content to less than 10% using a compression type dehydrator after agglomerating the resin latex, and performing a wet powder extrusion process. 1. A method of preparing a thermoplastic resin composition comprising:preparing rubber latex from conjugated diene monomers using a reactive emulsifier;graft copolymerizing an aromatic vinyl monomer and a vinyl cyan monomer with the rubber latex to prepare graft resin latex using a hydrophobic initiator;dehydrating after agglomerating the graft resin latex to obtain wet powder; andpreparing an extruded material through wet powder extrusion of the wet powder with an aromatic vinyl-vinyl cyan copolymer.2. The method according to claim 1 , wherein claim 1 , in the graft copolymerizing claim 1 , a reactive emulsifier is used during the graft copolymerization.3. The method according to claim 1 , wherein claim 1 , in the dehydrating claim 1 , the dehydration is carried out through a compression type dehydration method.4. The method according to claim 1 , wherein claim 1 , in the dehydrating claim 1 , a moisture content of the wet powder is 2 to 15 wt %.5. The method according to claim 1 , wherein claim 1 , in the preparing claim 1 , the wet powder extrusion is carried out under vacuum.6. The method according to claim 5 , wherein the wet powder extrusion is carried out under a vacuum of 1 to ...

POLYMER FINE PARTICLE-CONTAINING CURABLE RESIN COMPOSITION HAVING IMPROVED BONDING STRENGTH AGAINST IMPACT PEELING

The present invention relates to a curable resin composition containing 100 parts by mass of an epoxy resin (A), 1 to 100 parts by mass of polymer fine particles (B), and 1 to 100 parts by mass of a blocked urethane (C), wherein the polymer fine particles have a core-shell structure of a core layer and a shell layer, the core layer contains diene rubber, the shell layer contains at least a hydroxyl group, and the content of the hydroxyl group of the polymer fine particles (B) is 0.01 to 0.8 mmol/g. 1. A curable resin composition comprising 100 parts by mass of an epoxy resin (A) , 1 to 100 parts by mass of polymer fine particles (B) , and 1 to 100 parts by mass of a blocked urethane (C) , wherein the polymer fine particles have a core-shell structure of a core layer and a shell layer , the core layer comprises diene rubber , the shell layer comprises at least a hydroxyl group , and the content of the hydroxyl group of the polymer fine particles (B) is 0.01 to 0.8 mmol/g.2. The curable resin composition according to claim 1 , wherein the polymer fine particles (B) have the shell layer graft-polymerized on the core layer claim 1 , and the shell layer is polymerized with a monomer having a hydroxyl group and at least one monomer selected from the group consisting of an aromatic vinyl monomer claim 1 , a vinyl cyanide monomer claim 1 , and a (meth)acrylate monomer.3. The curable resin composition according to claim 1 , wherein the diene rubber is butadiene rubber and/or butadiene-styrene rubber.4. The curable resin composition according to claim 1 , wherein the blocked urethane (C) comprises a compound including a urethane prepolymer having a polyalkylene glycol structure capped with a blocking agent.5. The curable resin composition according to claim 1 , wherein a mass ratio of polymer fine particles (B) to blocked urethane (C) is 0.2 to 5.6. The curable resin composition according to claim 1 , wherein the epoxy resin (A) comprises a reactive diluent of a polyepoxide ...

Thermoplastic Resin Composition and Molded Article Using the Same

Disclosed are a thermoplastic resin composition including (A) a polycarbonate resin, (B) an aromatic vinyl-based copolymer, (C) a rubber modified vinyl-based graft copolymer, and (D) a glass fiber, wherein the glass fiber (D) includes (D-1) a first glass fiber having a length of about 1 μm to about 200 μm and (D-2) a second glass fiber having a length of about 2 mm to about 6 mm, and a molded article using the same.

FLOOR COVERING AND METHOD FOR THE PRODUCTION THEREOF

The invention relates to a floor covering comprising a sheet material () having a polymer composition comprising a first polymeric component (K1) and a second polymeric component (K2), wherein the first polymeric component (K1) comprises at least one substance selected from a group consisting of a thermoplastic and a thermoplastic elastomer. The invention is characterized in that the second polymeric component (K2) comprises a rubber and in that the polymer composition is produced by mixing the first polymeric component (K1) and the second polymeric component (K2) after the first and second polymeric components (K1, K2) have been softened by supplying energy. The invention also relates to a method for producing the floor covering. 1. A floor covering comprising a sheet material having a polymer composition comprising a first polymeric component and a second polymeric component , wherein the first polymeric component comprises at least one substance selected from a group consisting of a thermoplastic and a thermoplastic elastomer , characterized in that the second polymeric component comprises a rubber and in that the polymer composition is produced by mixing the first polymeric component and the second polymeric component.2. The floor covering according to claim 1 , wherein the rubber of the second polymeric component contains at least one substance selected from the group consisting of styrene butadiene rubber claim 1 , natural rubber claim 1 , isoprene rubber claim 1 , butadiene rubber claim 1 , ethylene propylene rubber claim 1 , ethylene propylene diene rubber claim 1 , acrylate rubber claim 1 , ethylene acrylate rubber claim 1 , acrylonitrile butadiene rubber claim 1 , hydrogenated acrylonitrile butadiene rubber claim 1 , chloroprene rubber claim 1 , chlorosulfonated polyethylene claim 1 , ethylene vinyl acetate rubber claim 1 , and silicone rubber.3. The floor covering according to claim 1 , wherein the second polymeric component comprises at least one polar ...

THERMOPLASTIC RESIN COMPOSITION AND MOLDED ARTICLE THEREOF

A thermoplastic resin composition includes 10 to 95 parts by weight of a polycarbonate resin (A); 5 to 90 parts by weight of a graft copolymer (B); and 0 to 50 parts by weight of a copolymer (C). The graft copolymer (B) is produced by the graft polymerization of 10 to 80 parts by weight of a rubbery polymer with 20 to 90 parts by weight of a monomer component including an aromatic vinyl monomer and/or a cyanide vinyl monomer, wherein the rubbery polymer has a weight average particle size of 150 to 450 nm and also has a 10 wt % particle size of 50 to 250 nm and a 90 wt % particle size of 450 to 650 nm in a particle size cumulative weight fraction. The copolymer (C) is produced by copolymerizing an aromatic vinyl monomer, a cyanide vinyl monomer and another vinyl monomer with one another. 1. A thermoplastic resin composition comprising 10 to 95 parts by weight of a polycarbonate resin (A) and 5 to 90 parts by weight of a graft copolymer (B) wherein the total is 100 parts by weight ,the graft copolymer (B) being a graft copolymer obtained by graft polymerizing 20 to 90 parts by weight of at least one monomer including at least an aromatic vinyl monomer and/or a vinyl cyanide monomer to 10 to 80 parts by weight of a rubbery polymer having a weight average particle size of 150 to 450 nm and having a particle size for a cumulative weight fraction of 10 wt % of 50 to 250 nm and a particle size for a cumulative weight fraction of 90 wt % of 450 to 650 nm (wherein the total of the rubbery polymer and the monomer(s) is 100 parts by weight).2. A thermoplastic resin composition comprising 10 to 95 parts by weight of a polycarbonate resin (A) , 5 to 90 parts by weight of a graft copolymer (B) , and not more than 50 parts by weight of a copolymer (C) wherein the total is 100 parts by weight ,the graft copolymer (B) being a graft copolymer obtained by graft polymerizing 20 to 90 parts by weight of at least one monomer including at least an aromatic vinyl monomer and/or a vinyl ...

Polyvinyl chloride modifier and composite, and preparation method therefor

The present invention discloses a polyvinyl chloride modifier, composition and a preparation method thereof. The composition comprises the following components by parts by weight: (a) polyvinyl chloride resin of 100 parts, and (b) a toughening modifier of 2-16 parts, the toughening modifier being rubber powder whose an elongation at break is greater than 2201% and which contains weight percentage of chlorine of 5-45 wt %. The elongation at break of the polyvinyl chloride composition of the present invention is greatly improved, and the defect of low elongations at break of polyvinyl chloride product is substantially solved accordingly, therefore, the application scope of polyvinyl chloride surely will be greatly widened.

(METH)ACRYLATE-BASED RESIN COMPOSITION HAVING EXCELLENT IMPACT RESISTANCE AND TRANSPARENCY

Disclosed is a (meth)acrylate-based resin composition comprising a poly(alkyl(meth)acrylate-phenyl(meth)acrylate) copolymer comprising phenyl(meth)acrylate having excellent surface hardness and a high refractive index, as a base resin and a (conjugated diene (meth)acrylate) graft copolymer having excellent impact absorption efficiency, the (meth)acrylate-based resin composition providing excellent transparency by exhibiting excellent impact resistance even using a small amount of impact modifier. The (meth)acrylate-based resin composition having excellent impact resistance and transparency comprises 1 to 29 wt % of the (conjugated diene-(meth)acrylate) graft copolymer and 71 to 99 wt % of the poly(alkyl(meth)acrylate-phenyl(meth)acrylate) copolymer. 1. A (meth)acrylate-based resin composition comprising 71 to 99 wt % of a poly(alkyl(meth)acrylate-phenyl(meth)acrylate) copolymer and 1 to 29 wt % of a conjugated diene based polymer.2. The (meth)acrylate-based resin composition according to claim 1 , wherein the conjugated diene based polymer is selected from the group consisting of conjugated diene based graft copolymer claim 1 , styrene-butadiene-styrene block copolymer claim 1 , and a mixture thereof.3. The (meth)acrylate-based resin composition according to claim 1 , wherein an alkyl group of alkyl(meth)acrylate of the poly(alkyl(meth)acrylate-phenyl(meth)acrylate) copolymer is a C1 to C5 alkyl group.4. The (meth)acrylate-based resin composition according to claim 1 , wherein alkyl(meth)acrylate of the poly(alkyl(meth)acrylate-phenyl(meth)acrylate) copolymer is selected from the group consisting of methylacrylate claim 1 , ethylacrylate claim 1 , methylmethacrylate claim 1 , ethylmethacrylate claim 1 , methylethacrylate claim 1 , ethylethacrylate claim 1 , propylacrylate claim 1 , isopropylacrylate claim 1 , butylacrylate claim 1 , propylmethacrylate claim 1 , isopropylmethacrylate claim 1 , butylmethacrylate claim 1 , isobutylmethacrylate claim 1 , and a mixture ...

Thermoplastic Resin Composition Having Improved Weather Resistance

A thermoplastic resin composition having improved weather resistance includes an acrylic graft copolymer, an aromatic vinyl-vinyl cyanide copolymer, and a coloring agent including an inorganic pigment and an organic pigment mixed with each other at a predetermined ratio to maintain mechanical properties of the resin and have improved color mixing ability and weather resistance.

ACRYLIC COPOLYMER COAGULANT AND METHOD OF PREPARING GRAFT COPOLYMER USING THE SAME

The present invention provides an acrylic copolymer coagulant which is a copolymer of a monomer mixture comprising a carboxylic acid-based monomer and an acrylic monomer, and a method of preparing a graft copolymer using the same. According to the present invention, a graft copolymer excellent in impact strength, surface gloss characteristics, and processability can be prepared. 2. The acrylic copolymer coagulant of claim 1 , wherein the acrylic copolymer coagulant is a copolymer of a monomer mixture comprising a carboxylic acid-based monomer and methyl acrylate claim 1 , anda content X of a carboxylic acid-based monomer unit in the acrylic copolymer coagulant is in a range of 2.5 wt % to 3.5 wt %.3. The acrylic copolymer coagulant of claim 2 , wherein an average particle diameter Y of the acrylic copolymer coagulant is in a range of 61.5 nm to 89.1 nm.4. The acrylic copolymer coagulant of claim 2 , wherein the acrylic copolymer coagulant has a weight-average molecular weight of 700 claim 2 ,000 g/mol to 950 claim 2 ,000 g/mol.5. The acrylic copolymer coagulant of claim 1 , wherein the acrylic copolymer coagulant is a copolymer of a monomer mixture comprising a carboxylic acid-based monomer and ethyl acrylate claim 1 , anda content X of a carboxylic acid-based monomer unit in the acrylic copolymer coagulant is in a range of 5 wt % to 7 wt %.6. The acrylic copolymer coagulant of claim 5 , wherein an average particle diameter Y of the acrylic copolymer coagulant is in a range of 80 nm to 115.5 nm.7. The acrylic copolymer coagulant of claim 5 , wherein the acrylic copolymer coagulant has a weight-average molecular weight of 250 claim 5 ,000 g/mol to 350 claim 5 ,000 g/mol.8. A method of preparing a graft copolymer claim 5 , comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'preparing a second diene-based rubber polymer by coagulation of a first diene-based rubber polymer with the acrylic copolymer coagulant according to ; and'}preparing a graft copolymer by ...

THERMOPLASTIC RESIN COMPOSITION

Provided is a thermoplastic resin composition which includes: a first graft copolymer including a first acrylic rubber polymer; a second graft copolymer including a second acrylic rubber polymer; and a first styrene-based copolymer including an alkyl-substituted styrene-based monomer unit and an acrylonitrile-based monomer unit, wherein the first acrylic rubber polymer has an average particle diameter larger than that of the second acrylic rubber polymer, the first graft copolymer is included in a larger amount than the second graft copolymer, and the sum of the first graft copolymer and the second graft copolymer is 22 parts by weight or less with respect to 100 parts by weight of the sum of the first graft copolymer, the second graft copolymer, and the first styrene-based copolymer. 1. A thermoplastic resin composition comprising:a first graft copolymer including a first acrylic rubber polymer;a second graft copolymer including a second acrylic rubber polymer; anda first styrene-based copolymer including an alkyl-substituted styrene-based monomer unit and an acrylonitrile-based monomer unit,wherein the first acrylic rubber polymer has an average particle diameter larger than that of the second acrylic rubber polymer,the first graft copolymer is included in a larger amount than the second graft copolymer, andthe sum of the first graft copolymer and the second graft copolymer is 22 parts by weight or less with respect to 100 parts by weight of the sum of the first graft copolymer, the second graft copolymer, and the first styrene-based copolymer.2. The thermoplastic resin composition of claim 1 , wherein the sum of the first graft copolymer and the second graft copolymer is 21 parts by weight or less with respect to 100 parts by weight of the sum of the first graft copolymer claim 1 , the second graft copolymer claim 1 , and the first styrene-based copolymer.3. The thermoplastic resin composition of claim 1 , wherein the sum of the first graft copolymer and the ...

POLYVINYL CHLORIDE-BASED RESIN MOLDED PRODUCT AND METHOD FOR MANUFACTURING THE SAME

The present invention provides a polyvinyl chloride-based resin molded product obtained by molding a resin mixture containing 3 to 15 parts by weight of calcium carbonate having an average primary particle size of 0.01 to 0.3 μm and 2 to 4 parts by weight of an impact modifier per 100 parts by weight of a polyvinyl chloride-based resin, wherein a Charpy impact strength at 23° C. is 20 kJ/mor more, and a weight reduction ratio is 1.5 mg/cmor less when the molded product is immersed in a 93% by weight sulfuric acid aqueous solution for 14 days in accordance with JIS K 6745, and a method for manufacturing the polyvinyl chloride-based resin molded product. 1. A polyvinyl chloride-based resin molded product obtained by molding a resin mixture containing 3 to 15 parts by weight of calcium carbonate having an average primary particle size of 0.01 to 0.3 μm and 2 to 4 parts by weight of an impact modifier per 100 parts by weight of a polyvinyl chloride-based resin , wherein a Charpy impact strength at 23° C. is 20 kJ/mor more , and a weight reduction ratio is 1.5 mg/cmor less when the molded product is immersed in a 93% by weight sulfuric acid aqueous solution for 14 days in accordance with JIS K 6745.2. The polyvinyl chloride-based resin molded product of claim 1 , wherein the impact modifier is at least one resin material selected from the group consisting of a methyl methacrylate-butadiene-styrene graft copolymer (MBS polymer) claim 1 , an acrylic rubber claim 1 , and a chlorinated polyethylene.3. The polyvinyl chloride-based resin molded product of claim 1 , used for a product selected from the group consisting of a pipe claim 1 , a joint claim 1 , a drainage basin claim 1 , a gutter claim 1 , a window frame claim 1 , a siding claim 1 , a film-sheet material claim 1 , a flat plate claim 1 , and a corrugated plate.4. A method for manufacturing a polyvinyl chloride-based resin molded product claim 1 , wherein a resin mixture containing 3 to 15 parts by weight of calcium ...

POLYVINYL CHLORIDE-BASED RESIN MOLDED PRODUCT AND METHOD FOR MANUFACTURING THE SAME

The present invention provides a polyvinyl chloride-based resin molded product obtained by molding a resin mixture containing 1 to 50 parts by weight of calcium carbonate having an average primary particle size of 0.01 to 0.3 μm and 5 to 18 parts by weight of an impact modifier per 100 parts by weight of a polyvinyl chloride-based resin, wherein a Charpy impact strength at 0° C. is 20 kJ/mor more, and a Vicat softening temperature is 85° C. or higher, and a method for manufacturing the polyvinyl chloride-based resin molded product. 1. A polyvinyl chloride-based resin molded product obtained by molding a resin mixture containing 1 to 50 parts by weight of calcium carbonate having an average primary particle size of 0.01 to 0.3 μm and 5 to 18 parts by weight of an impact modifier per 100 parts by weight of a polyvinyl chloride-based resin , wherein a Charpy impact strength at 0° C. is 20 kJ/mor more , and a Vicat softening temperature is 85° C. or higher.2. The polyvinyl chloride-based resin molded product of claim 1 , wherein the impact modifier is at least one resin material selected from the group consisting of a methyl methacrylate-butadiene-styrene graft copolymer (MBS polymer) claim 1 , an acrylic rubber claim 1 , and a chlorinated polyethylene.3. The polyvinyl chloride-based resin molded product of claim 1 , used for a product selected from the group consisting of a pipe claim 1 , a pipe fitting claim 1 , a drainage basin claim 1 , a gutter claim 1 , a window frame claim 1 , a siding claim 1 , a film-sheet material claim 1 , a flat plate claim 1 , and a corrugated plate.4. A method for manufacturing a polyvinyl chloride-based resin molded product claim 1 , wherein a resin mixture containing 1 to 50 parts by weight of calcium carbonate having an average primary particle size of 0.01 to 0.3 μm and 5 to 18 parts by weight of an impact modifier per 100 parts by weight of a polyvinyl chloride-based resin is mixed at a rotational speed of 500 to 3 claim 1 ,000 rpm ...

Alternative methods to control crosslinking in high impact polystyrene

High impact polystyrene may be formed with increased swell index and reduced or eliminated discoloration. A process of forming high impact polystyrene may include providing a polymerization system including a polymerization reactor and a devolatilizer. High impact polystyrene may be formed in the polymerization reactor, and sent to the devolatilizer. A polar antioxidant having a hindered phenol structure and an aliphatic amine group, and with a phosphite antioxidant may be added to the polymerization system. In another process, a chemical retarder and a fluorescent whitening agent may be added to the polymerization system. In another process, a chemical retarder that inhibits free radical rubber crosslinking may be added to the polymerization system.

Halogenated Wax Grafted To Low Molecular Weight Polymer

A wax-polymer compound includes (a) a polymer component that is a polymerized unsaturated monomer, optionally copolymerized with a vinyl-aromatic monomer, and (b) a halogenated hydrocarbon wax component. The polymer component is grafted to the halogenated hydrocarbon wax component, and the wax-polymer compound has a number average molecular weight of about 1,000 to about 100,000. A method of making the wax-polymer compound and a coated silica particle are also disclosed.

Abs molding composition having improved crack and chemical resistance and its use

Thermoplastic molding composition scan be advantageously used in hydrofluoro olefin containing areas, comprising components A, B, C and, D: 10 to 35 wt.-% ABS graft rubber A obtained by emulsion polymerization, 50 to 75 wt.-% SAN copolymer B, 4 to 20 wt.-% copolymer C from ethylene and C1-C6-alkyl(meth)acrylate, and 4 to 20 wt.-% ABS graft rubber copolymer D obtained by mass polymerization.

THERMOPLASTIC RESIN COMPOSITION

Provided is a thermoplastic resin composition including: a first copolymer including an acrylic rubber-based graft copolymer and an emulsifier including a salt of a compound represented by Chemical Formula 1; a second copolymer including a unit derived from an alkyl acrylate-based monomer and a unit derived from an alkyl methacrylate-based monomer; and a third copolymer including a unit derived from an aromatic vinyl-based monomer and a unit derived from a vinyl cyan-based monomer. 2. The thermoplastic resin composition of claim 1 , wherein X represents a Cto Ctrivalent or more linear aliphatic hydrocarbon; a Cto Ctrivalent or more branched aliphatic hydrocarbon; a Cto Ctrivalent or more cyclic aliphatic hydrocarbon; or a Cto Ctrivalent or more aromatic hydrocarbon.6. The thermoplastic resin composition of claim 1 , wherein the second copolymer includes the unit derived from an alkyl acrylate-based monomer and the unit derived from an alkyl methacrylate-based monomer in a weight ratio of 20:80 to 80:20.7. The thermoplastic resin composition of claim 1 , wherein the second copolymer has a weight average molecular weight of 500 claim 1 ,000 to 2 claim 1 ,000 claim 1 ,000 g/mol.8. The thermoplastic resin composition of claim 1 , wherein the third copolymer includes the unit derived from an aromatic vinyl-based monomer and the unit derived from a vinyl cyan-based monomer in a weight ratio of 80:20 to 60:40.9. The thermoplastic resin composition of claim 1 , wherein the third copolymer has a weight average molecular weight of 20 claim 1 ,000 to 100 claim 1 ,000 g/mol.10. The thermoplastic resin composition of claim 1 , wherein the thermoplastic resin composition includes claim 1 , with respect to the total weight thereof claim 1 ,40 to 70 wt % of the first copolymer;1 to 25 wt % of the second copolymer; and25 to 55 wt % of the third copolymer.12. The method of claim 11 , wherein the step of preparing a first copolymer comprises:(i) preparing a seed by adding one or more ...

THERMOPLASTIC RESIN COMPOSITION WITH IMPROVED UV RESISTANCE

Thermoplastic resin composition comprising: (a1) at least one styrene-acrylonitrile copolymer component A1, (a2) at least one acrylonitrile styrene acrylate graft copolymer A2 as impact modifier, (a3) optionally at least one thermoplastic polymer A3 other than components A1 and A2, (b) at least one pigment B, (c) at least one hindered amine UV light stabilizer C1 and at least one UV ab-sorber C2 different from C1, and (d) optionally further polymer additives D, other than components B, C1, C2, and E, (e) at least one metal scavenger component E. 117-. (canceled)18. A thermoplastic resin composition comprising:(a1) at least one styrene-acrylonitrile copolymer component A1,(a2) at least one acrylonitrile styrene acrylate graft copolymer A2 as impact modifier,(a3) optionally at least one thermoplastic polymer A3 other than components A1 and A2,(b) at least one pigment B,(c) at least one hindered amine UV light stabilizer C1 and at least one UV absorber C2 different from C1,(d) optionally further polymer additives D, other than components B, C1, C2, and E, and(e) at least one metal scavenger component E.19. The thermoplastic resin composition according to claim 18 , comprising 70.0 to 99.4 wt.-% claim 18 , based on the total weight of the composition claim 18 , of components A1 claim 18 , A2 claim 18 , and optionally A3 claim 18 , and comprising 0.5 to 7.0 wt.-% claim 18 , based on the total weight of the composition claim 18 , of component B claim 18 , and comprising 0.1 to 1.5 wt.-% based on the total weight of the composition claim 18 , of components C1 and C2.20. The thermoplastic resin composition according to claim 18 , comprising:(i) of from 87.5 to 99.3 wt.-%, based on the total weight of the composition, of A1, A2, and optionally A3,(ii) of from 0.5 to 7.0 wt.-%, based on the total weight of the composition, of component B,(iii) of from 0.1 to 1.5 wt.-%, based on the total weight of the composition, of at least one hindered amine UV light stabilizer C1 and from ...

Thermoplastic Resin Composition and Molded Product Produced Therefrom

The present invention relates to a thermoplastic resin composition and a molded product produced therefrom. In one embodiment, the thermoplastic resin composition comprises: a base resin including a polyphenylene ether resin and a rubber-reinforced polystyrene resin; a styrene-based block copolymer resin; and a hydrocarbon-based oil. 1. A thermoplastic resin composition comprising:100 parts by weight of a base resin comprising about 20 wt % to about 80 wt % of a polyphenylene ether resin and about 20 wt % to about 80 wt % of a rubber-reinforced polystyrene resin;about 1 part by weight to about 20 parts by weight of a styrene-based block copolymer resin; andabout 0.5 parts by weight to about 15 parts by weight of a hydrocarbon-based oil.2. The thermoplastic resin composition according to claim 1 , wherein the polyphenylene ether resin comprises poly(2 claim 1 ,6-dimethyl-1 claim 1 ,4-phenylene)ether claim 1 , poly(2 claim 1 ,6-diethyl-1 claim 1 ,4-phenylene)ether claim 1 , poly(2 claim 1 ,6-dipropyl-1 claim 1 ,4-phenylene)ether claim 1 , poly(2-methyl-6-ethyl-1 claim 1 ,4-phenylene)ether claim 1 , poly(2-methyl-6-propyl-1 claim 1 ,4-phenylene)ether claim 1 , poly(2-ethyl-6-propyl-1 claim 1 ,4-phenylene)ether claim 1 , poly(2 claim 1 ,6-diphenyl-1 claim 1 ,4-phenylene)ether claim 1 , a copolymer of poly(2 claim 1 ,6-dimethyl-1 claim 1 ,4-phenylene)ether and poly(2 claim 1 ,3 claim 1 ,6-trimethyl-1 claim 1 ,4-phenylene)ether claim 1 , and/or a copolymer of poly(2 claim 1 ,6-dimethyl-1 claim 1 ,4-phenylene)ether and poly(2 claim 1 ,3 claim 1 ,6-triethyl-1 claim 1 ,4-phenylene)ether.3. The thermoplastic resin composition according to claim 1 , wherein the rubber-reinforced polystyrene resin comprises a first rubber-reinforced polystyrene resin and a second rubber-reinforced polystyrene resin in a weight ratio of about 0.3:1 to about 5:1 claim 1 ,the first rubber-reinforced polystyrene resin comprising a rubber polymer having an average particle diameter of about 0.1 μm ...

PRODUCTION METHOD FOR RUBBER-REINFORCED THERMOPLASTIC RESIN

Disclosed is a method of preparing a rubber-reinforced thermoplastic resin. According to the present invention, a graft copolymer comprising a large-particle-size rubber polymer obtained by welding polymerization-heat-control-type small particles and a reactive emulsifier or a mixed emulsifier comprising a reactive emulsifier and a non-reactive emulsifier is prepared, and a rubber-reinforced thermoplastic resin comprising the same may have enhanced mechanical properties, thermal stability, surface visibility and gloss. 1. A method of preparing a rubber-reinforced thermoplastic resin , the method comprising preparing into a large particle size after preparing a small-particle-size rubber polymer having a maximum polymerization-heat deviation (ΔT) of 4° C. or less; dehydrating to a moisture content of 5 to 15% after preparing an acrylonitrile-styrene-butadiene-based graft copolymer from the rubber polymer prepared into the large particle size; and mixing the dehydrated graft copolymer and a matrix resin.2. The method according to claim 1 , wherein the small-particle-size rubber polymer is prepared by emulsion-polymerizing at polymerization temperature of 50 to 80° C. for 5 to 13 hours.3. The method according to claim 1 , wherein a preparation process of the small-particle-size rubber polymer comprises (a) inputting batchwise a first composition containing 5 to 80 parts by weight of a conjugated diene monomer and initiating reaction at 50 to 70° C.; and (b) performing emulsion polymerization at 70 to 80° C. while continuously inputting a second composition containing 95 to 20 parts by weight of a conjugated diene monomer for 4 to 10 hours at a time point of 0 to 8 hours from the reaction initiation point.4. The method according to claim 3 , wherein the first composition comprises 1 to 4 parts by weight of one emulsifier or more selected from a reactive emulsifier and a non-reactive emulsifier claim 3 , 0.1 to 3 parts by weight of a polymerization initiator claim 3 , 0. ...

Matte clear coating composition

The present invention provides a matte clear coating composition comprising: a paint resin having a refractive index of about 1.48-1.50 and a specific gravity of about 1.1-1.2; and an organic resin having a refractive index that differs from the paint resin's refractive index by about 0-0.02 and from the specific gravity by about 0-0.2. The matte clear coating composition has good storage stability, minimized hiding of the base color by the matting agent, and improved physical properties, including adhesion and water resistance properties.

THERMOPLASTIC RESIN COMPOSITION AND MOLDED ARTICLE MANUFACTURED FROM THE SAME

The present disclosure relates to a thermoplastic resin composition and a molded article manufactured from the same. More particularly, the present disclosure relates to a thermoplastic resin composition including (A) a graft copolymer prepared by graft-copolymerizing a conjugated diene rubber, a (meth)acrylic acid alkyl ester compound, a methylene butyrolactone compound, and an aromatic vinyl compound; and (B) a copolymer prepared by copolymerizing a (meth)acrylic acid alkyl ester compound, an aromatic vinyl compound, and a vinyl cyanide compound, and a molded article manufactured from the thermoplastic resin composition. In accordance with the present disclosure, a thermoplastic resin composition having superior heat resistance and transparency and a molded article manufactured from the same are provided. 1. A thermoplastic resin composition , comprising:(A) a graft copolymer prepared by graft-copolymerizing a conjugated diene rubber, a (meth)acrylic acid alkyl ester compound, a methylene butyrolactone compound, and an aromatic vinyl compound; and(B) a copolymer prepared by copolymerizing a (meth)acrylic acid alkyl ester compound, an aromatic vinyl compound, and a vinyl cyanide compound.2. The thermoplastic resin composition according to claim 1 , wherein a weight ratio of the graft copolymer (A) to the copolymer (B) is 10:90 to 90:10.3. The thermoplastic resin composition according to claim 1 , wherein a refractive index difference between the graft copolymer (A) and the copolymer (B) is 0.01 or less.4. The thermoplastic resin composition according to claim 1 , wherein the thermoplastic resin composition comprises 5 to 33% by weight of a total of the conjugated diene rubbers claim 1 , 30 to 65% by weight of a total of the (meth)acrylic acid alkyl ester compounds claim 1 , 1 to 35% by weight of the methylene butyrolactone compound claim 1 , 1 to 30% by weight of a total of the aromatic vinyl compounds claim 1 , and 1 to 15% by weight of the vinyl cyanide compound. ...

CURABLE RESIN COMPOSITION AND METHOD OF MANUFACTURING ARTICLE

A curable resin composition that is capable of forming a cured product having impact resistance and a high elastic modulus, and has a low viscosity, thereby being suitable for three-dimensional shaping. The curable resin composition contains: (A) an α-(unsaturated alkoxyalkyl)acrylic acid or an ester thereof; (B) a bifunctional radically polymerizable oligomer; optionally (C) a radically polymerizable compound other than the component (A) and the component (B); (D) rubber particles; and (E) a radical polymerization initiator, wherein the component (A) is represented by the following formula (1). 2. The curable resin composition according to claim 1 , wherein the component (A) contains an ether structure in its main chain claim 1 , and that polymerizes while forming a five-membered ring or a six-membered ring.3. The curable resin composition according to claim 1 , wherein the component (A) is one of methyl α-allyloxymethylacrylate or ethyl α-allyloxymethylacrylate.4. The curable resin composition according to claim 1 , wherein a content of the component (A) is more than 70 parts by mass and 100 parts by mass or less with respect to 100 parts by mass in total of the component (A) and the component (C).5. The curable resin composition according to claim 1 , wherein a content of the component (A) is 75 parts by mass or more and 100 parts by mass or less with respect to 100 parts by mass in total of the component (A) and the component (C).6. The curable resin composition according to claim 1 , wherein a total content of the component (A) and the component (C) is more than 70 parts by mass and less than 90 parts by mass with respect to 100 parts by mass in total of the component (A) claim 1 , the component (B) claim 1 , and the component (C).7. The curable resin composition according to claim 1 , wherein a content of the component (B) is more than 10 parts by mass with respect to 100 parts by mass in total of the component (A) claim 1 , the component (B) claim 1 , and the ...

ACRYLIC THERMOPLASTIC RESIN COMPOSITION, MOLDED ARTICLE, FILM AND METHOD FOR PRODUCING SAME, AND LAMINATE

Disclosed is an acrylic thermoplastic resin composition containing an acrylic multilayer structure polymer particle (A) and an acrylic block copolymer (B). The component (A) has, as an inner layer, a rubber component layer (I) of a copolymer of 50-99.99 mass % of an acrylic acid ester monomer unit, 49.99-0 mass % of an additional monofunctional monomer unit, and 0.01-10 mass % of a polyfunctional monomer unit, and has, as an outermost layer, a thermoplastic resin component layer (I1) of a copolymer of 40-100 mass % of a methacrylic acid ester monomer unit and 60-0 mass % of an additional monomer unit and having Mn of 30,000 or smaller. A layer (I)/layer (II) mass ratio is 30/70 to 90/10. An average particle size of the component (A) is 150 nm or smaller. The component (B) has Mw of 32,000 to 300,000. A mass ratio of (A)/(B) is 1/99 to 99/1. 1: An acrylic thermoplastic resin composition comprising a two-layer or more multilayer structure polymer particle (A) and a block copolymer (B) , wherein:the multilayer structure polymer particle (A) is an acrylic multilayer structure polymer particle which has, as an inner layer, at least one rubber component layer (I) consisting of a copolymer consisting of 50 to 99.99% by mass of an acrylic acid ester monomer unit, 49.99 to 0% by mass of an additional monofunctional monomer unit, and 0.01 to 10% by mass of a polyfunctional monomer unit, and has, as an outermost layer, at least one thermoplastic resin component layer (II) consisting of a copolymer consisting of 40 to 100% by mass of a methacrylic acid ester monomer unit and 60 to 0% by mass of an additional monomer unit and having a number-average molecular weight of 30,000 or smaller measured by GPC, whereina mass ratio of the total amount of the rubber component layer (I) to the total amount of the thermoplastic resin component layer (II) is 30/70 to 90/10, and an average particle size is 150 nm or smaller;the block copolymer (B) is an acrylic block copolymer having a weight ...

METHOD OF PREPARING ASA GRAFT COPOLYMER, METHOD OF PREPARING THERMOPLASTIC RESIN COMPOSITION INCLUDING ASA GRAFT COPOLYMER, AND METHOD OF MANUFACTURING MOLDED ARTICLE USING THERMOPLASTIC RESIN COMPOSITION

The present invention relates to a method of preparing an ASA graft copolymer, a method of preparing a thermoplastic resin composition including the ASA graft copolymer, and a method of manufacturing a molded article using the thermoplastic resin composition. More particularly, the present invention provides an ASA graft copolymer having improved thermal stability through addition of an emulsifier in a specific amount range in a seed preparation step and introduction of a multifunctional carboxylic acid having 20 or more carbon atoms or a salt thereof, as an emulsifier, in a shell preparation step and a high-quality thermoplastic resin composition exhibiting excellent impact resistance, such as impact strength and tensile strength, and excellent appearance, such as surface gloss, whiteness, and retention-associated heat discoloration, and causing considerable reduction in the amount of gas generated on a surface of a resin during a high-temperature thermoforming process due to inclusion of the ASA graft copolymer. 1. A method of preparing an ASA graft copolymer , the method comprising:a) a seed preparation step of preparing seeds by polymerizing one or more monomers selected from among an aromatic vinyl monomer, a vinyl cyan monomer, and an alkyl acrylate monomer and an emulsifier; b) a core preparation step of preparing cores enclosing the seeds by adding an alkyl acrylate monomer in presence of the seeds and performing polymerization; and c) a shell preparation step of preparing shells enclosing the cores by adding an aromatic vinyl monomer, a vinyl cyan monomer, and an emulsifier in presence of the cores and performing graft polymerization,wherein the emulsifier of the shell preparation step comprises a multifunctional carboxylic acid having 20 to 60 carbon atoms or a salt thereof, and an average size of the shell is 250 to 750 nm (larger than an average size of the cores).2. The method according to claim 1 , wherein two or three acid carboxyl groups are ...

Curable compositions based on multistage polymers

Compositions which are curable by, for example, exposure to radiation to form useful articles such as three-dimensionally printed objects are prepared using multistage polymers, polymerizing organic substances and (meth)acrylic polymers. The multistage polymer is effective to toughen and impact modify the cured articles, yet the compositions prior to curing are relatively low in viscosity and agglomerate content even at high loadings of multistage polymer.

Thermoplastic Resin Composition and Molded Article Manufactured Therefrom

A thermoplastic resin composition of the present invention comprises: a polycarbonate resin; a rubber-modified vinyl-based graft copolymer; a large particle size rubbery polymer having an average particle size of about 400 to about 1,500 nm; an aromatic vinyl-based copolymer resin; a phosphorus-based flame retardant; talc; wollastonite; a maleic anhydride grafted rubbery polymer; and a black pigment. The thermoplastic resin composition is superior in terms of adhesion to metal, strength, flame retardancy, fluidity, and appearance. 1. A thermoplastic resin composition comprising:a polycarbonate resin;a rubber-modified vinyl graft copolymer;a large-diameter rubber polymer having an average particle diameter of about 400 nm to about 1,500 nm;an aromatic vinyl copolymer resin;a phosphorus flame retardant;talc;wollastonite;a maleic anhydride-grafted rubber polymer; anda black pigment.2. The thermoplastic resin composition according to claim 1 , comprising: about 100 parts by weight of the polycarbonate resin; about 1 part by weight to about 10 parts by weight of the rubber-modified vinyl graft copolymer; about 0.5 parts by weight to about 5 parts by weight of the large-diameter rubber polymer; about 3 parts by weight to about 20 parts by weight of the aromatic vinyl copolymer resin; about 10 parts by weight to 30 parts by weight of the phosphorus flame retardant; about 3 parts by weight to about 25 parts by weight of talc; about 5 parts by weight to about 20 parts by weight of wollastonite; about 0.01 parts by weight to about 5 parts by weight of the maleic anhydride-grafted rubber polymer; and about 0.05 parts by weight to about 3 parts by weight of the black pigment.3. The thermoplastic resin composition according to claim 1 , wherein the rubber-modified vinyl graft copolymer is obtained through graft copolymerization of a monomer mixture comprising an aromatic vinyl monomer and a vinyl cyanide monomer to a rubber polymer having an average particle diameter of about ...

Thermoplastic graft copolymer resin, method of preparing the same, and thermoplastic resin composition including the same

The present disclosure relates to a thermoplastic graft copolymer resin, a method of preparing the same, and a thermoplastic resin composition including the same. More particularly, the present invention relates to a thermoplastic graft copolymer resin including a seed, an alkyl acrylate rubber core enclosing the seed, and a shell enclosing the rubber core, a method of preparing the same, and a thermoplastic resin composition including the same, wherein the thermoplastic graft copolymer resin has a gel content of 93% by weight or more and a swelling index of 6 to 14. In accordance with the present disclosure, a thermoplastic graft copolymer resin exhibiting excellent chemical resistance, heat resistance, and impact resistance, a method of preparing the same, and a thermoplastic resin composition including the same are provided.

PROCESS FOR CONTINUOUS PRODUCTION OF HALOGEN-FREE THERMOPLASTIC ELASTOMER COMPOSITIONS

A continuous process for the production of a dynamically vulcanized thermoplastic elastomer comprising a thermoplastic resin and a non-halogenated elastomer with a multiolefin content of greater than 3.5 mol % that has been modified in situ with a carboxylic anhydride. The process provides materials with improved elongation at break and ultimate tensile strength that can be produced economically and with reduced environmental impact. 1. A continuous process for the preparation of a thermoplastic elastomer composition comprising the steps of:a) providing a thermoplastic resin;{'sub': 4', '7', '4', '16, 'b) providing a non-halogenated elastomer comprising repeating units derived from at least one Cto Cisomonoolefin monomer and at least 3.5 mol % of a Cto Cmultiolefin monomer;'}c) providing an unsaturated carboxylic acid derivative having 4 to 16 carbon atoms;d) admixing in a first stage of a continuous mixer the thermoplastic resin, the elastomer and the unsaturated carboxylic acid derivative to create a thermoplastic elastomer composition comprising the carboxylic acid derivative grafted to the elastomer;e) admixing in a second stage of the continuous mixer a curing system suitable for use with non-halogenated elastomers to dynamically vulcanize the thermoplastic elastomer.2. The process of claim 1 , wherein the curing system comprises a first peroxide curing agent and wherein admixing in the second stage is conducted at a temperature of from 100 to 260° C.3. The process of claim 2 , wherein the process further comprises admixing a second peroxide curing agent with the thermoplastic resin claim 2 , the elastomer and the carboxylic acid derivative in the first stage at a temperature in the range of from 100 to 260° C.4. The process of claim 3 , wherein the second peroxide curing agent is provided in an amount of from 0.05 to 0.3 phr.5. The process of claim 3 , wherein the first peroxide curing agent is provided in an amount of from 0.1 to 3 phr.6. The process of or ...

DURABLE POLYHYDROXYALKANOATE COMPOSITIONS

A polyhydroxyalkanoate composition, having a an elongation at break (ASTM D648) greater than 3%, an impact resistance (IS0179 1 eA, 23° C., unnotched) greater than 18 KJ/m2 and a flexural modulus of at least 950 MPa, includes at least 25% wt of a polyhydroxyalkanoate component (I); from 5 to 40% wt of a mixture (II) of a thermoplastic polyurethane and an acrylic polymer; from 0 to 40% wt of one or more fillers (III); from 0 to 20% wt of one or more plasticizers (IV); and from 0 to 10% wt of one or more additives (V). The polyhydroxyalkanoate composition can be used for the preparation of durable goods that may be labelled as containing more than 20% non-fossil carbon, and for articles prepared therefrom. 118.-. (canceled)19. A polyhydroxyalkanoate composition having an elongation at break (ASTM D638) greater than 3% , an impact resistance (Charpy test; ISO179 1eU , 23° C. , unnotched) greater than 18 KJ/mand a flexural modulus of at least 950 MPa comprising:at least 25% wt of a polyhydroxyalkanoate component (I), comprising one or more hydroxyalkanoate copolymers wherein the content of poly(3-hydroxybutyrate) homopolymer is and less than 5% wt;from 5 to 40% wt of a mixture (II) of a thermoplastic polyurethane (IIa) which is a block copolymer, and has a hardness lower than 56 Shore D, as measured according to ASTM D2240 in admixture with an acrylic polymer (IIb), which is thermoplastic, with a melting flow index according to ASTM D1238 at 175° C./2.16 kg higher than 0.25 g/10 min and/or a glass transition temperature less than 150° C.; wherein the acrylic polymer (IIb) is a system (IIb1) of a styrene-based polymer and an acrylic based rubber that is cross-linked,comprising no more than 5% wt biodegradable polymers (ASTM D6400);from 0 to 40% wt of one or more fillers (III);from 0 to 20% wt of one or more plasticizers (IV); andfrom 0 to 10% wt of one or more additives (V),whereincomponent (I) and mixture (II) together comprise at least 40% wt of the composition, andthe ...

THERMOPLASTIC RESIN COMPOSITION AND THERMOPLASTIC RESIN MOLDED ARTICLE PREPARED BY USING THE SAME

The present invention relates to a thermoplastic resin composition showing excellent transparency and whitening resistance. The thermoplastic resin composition of the present invention comprises (A) a graft copolymer having a multilayer structure and (B) a thermoplastic copolymer, wherein the graft copolymer having a multilayer structure (A) comprises a core of a conjugated diene-based rubber latex having a weight average particle diameter of 500 Å to 2,000 Å; an intermediate layer; and a graft layer. The glass transition temperature of the intermediate layer is 40° C. or less, the glass transition temperature of the graft layer is 80° C. or more, and the refractive index difference between the graft copolymer (A) and the thermoplastic copolymer (B) is less than 0.01. 1. A thermoplastic resin composition , comprising (A) a graft copolymer having a multilayer structure , and (B) a thermoplastic copolymer ,wherein the graft copolymer having a multilayer structure (A) comprises: (A-1) a core of (a) a conjugated diene-based rubber latex; and (A-2) an intermediate layer comprising a repeating unit derived from (b) a (meth)acrylic acid ester compound, a repeating unit derived from (c) an aromatic vinyl compound, and a repeating unit derived from (d) a vinyl cyan compound; and (A-3) a graft layer comprising a repeating unit derived from (b) a (meth)acrylic acid ester compound, a repeating unit derived from (c) an aromatic vinyl compound, and a repeating unit derived from (d) a vinyl cyan compound,the core (A-1) of (a) the conjugated diene-based rubber latex has a weight average particle diameter of 500 Å to 2,000 Å,a glass transition temperature of the intermediate layer (A-2) is 40° C. or less, and the glass transition temperature of the graft layer (A-3) is 80° C. or more,the thermoplastic copolymer (B) comprises a repeating unit derived from (b) a (meth)acrylic acid ester compound, a repeating unit derived from (c) an aromatic vinyl compound, and a repeating unit ...

Molded Product Having Fabric Texture

A molded product according to the present invention is a molded product having a structure in which colored particles are dispersed in thermoplastic resin, wherein the colored particles have an average particle size of about 250-3,200 μm as measured by a particle size analyzer, and are included in an amount of about 0.05-5 parts by weight with respect to about 100 parts by weight of the thermoplastic resin, a three-dimensional pattern is formed on at least one surface of the molded product, and the three-dimensional pattern has a 10-point average roughness (Rz) of about 50-500 μm and a number of different brightness values of about 30-60. The molded product has excellent impact resistance, excellent heat resistance, and the like, and has an appearance similar to actual fabric. 1. A molded product having a structure in which colored particles are dispersed in a thermoplastic resin , the molded article having a three-dimensional pattern formed on at least one surface thereof ,wherein the colored particles have an average particle diameter of about 250 μm to about 3,200 μm, as measured using a particle size analyzer, and are present in an amount of about 0.05 parts by weight to about 5 parts by weight relative to about 100 parts by weight of the thermoplastic resin, andthe three-dimensional pattern having a ten-point average roughness (Rz) of about 50 μm to about 500 μm and about 30 to about 60 different brightness values, the number of different brightness values being calculated by scanning a 3 mm×3 mm area of the three-dimensional pattern at a resolution of 600 dpi, converting the scanned image into an image represented by 4,900 pixels, and measuring brightness (L*) of each pixel using the CIE 1976 L*a*b* (CIELAB) color system.2. The molded product according to claim 1 , wherein the thermoplastic resin comprises a polycarbonate resin and/or a rubber-modified aromatic vinyl copolymer resin.3. The molded product according to claim 2 , wherein the rubber-modified ...

Process for production of impact modified thermoplastic moulding composition with improved processing and impact strength

The present invention relates to a process for producing a thermoplastic moulding composition comprising a thermoplastic copolymer A, a graft copolymer B and optionally a further polymer component C as well as optional further additives K, wherein the preparation of the graft copolymer B is carried out via emulsion polymerization, and wherein at least one surfactant S2 issued in grafting step of emulsion polymerization in a volume concentration in the range of 0.46 to 0.75 mol/m3, based on the volume of the graft copolymer B latex particles obtained; and wherein the mean particle diameter Dw of the latex particles of graft copolymer B is in the range of 60 to 800 nm.

Thermoplastic resin composition, method of preparing the same, and molded part manufactured using the same

Disclosed are a thermoplastic resin composition, a method of preparing the same, and a molded part manufactured using the same, wherein the thermoplastic resin composition includes a-1) 1 to 30% by weight of a first graft polymer obtained by graft-polymerizing an aromatic vinyl compound and a vinyl cyanide compound onto a conjugated diene rubber having an average particle diameter of 0.05 μm or more and less than 0.2 μm; a-2) 5 to 45% by weight of a second graft polymer obtained by graft-polymerizing an aromatic vinyl compound and a vinyl cyanide compound onto a conjugated diene rubber having an average particle diameter of 0.2 to 0.5 μm; b) 50 to 80% by weight of an aromatic vinyl compound-vinyl cyanide compound copolymer; and c) 1 to 10% by weight of a (meth)acrylic acid alkyl ester polymer.