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RU2008114492A - Контроль структуры и молекулярно-массового распределения полимеров посредством передающего по принципу челнока агента с множеством центров - Google Patents

Контроль структуры и молекулярно-массового распределения полимеров посредством передающего по принципу челнока агента с множеством центров Download PDF

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RU2008114492A
RU2008114492A RU2008114492/04A RU2008114492A RU2008114492A RU 2008114492 A RU2008114492 A RU 2008114492A RU 2008114492/04 A RU2008114492/04 A RU 2008114492/04A RU 2008114492 A RU2008114492 A RU 2008114492A RU 2008114492 A RU2008114492 A RU 2008114492A
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Эдмунд М. КАРНАХАН (US)
Эдмунд М. КАРНАХАН
Филлип Д. ХАСТЭД (US)
Филлип Д. ХАСТЭД
Брайан А. ЯЖДЖЕВСКИЙ (US)
Брайан А. ЯЖДЖЕВСКИЙ
Роджер Л. КУЛМАН (US)
Роджер Л. КУЛМАН
Тимоти Т. ВЕНЦЕЛ (US)
Тимоти Т. ВЕНЦЕЛ
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Дау Глобал Текнолоджиз Инк. (Us)
Дау Глобал Текнолоджиз Инк.
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Abstract

1. Способ полимеризации одного или нескольких способных к полиприсоединению мономеров с образованием композиции полимеров, включающий приведение в контакт способного к полиприсоединению мономера или смеси мономеров в реакторе или зоне реактора с композицией, включающей по крайней мере один катализатор полимеризации и сокатализатор, в условиях полимеризации, отличающийся тем, что по крайней мере часть указанной полимеризации проводят в присутствии передающего по принципу челнока агента с множеством центров, имеющим следующую формулу: ! (M')mA, ! где M' представляет собой передающий участок цепи; ! А представляет собой линкерную группу, которая является органической группой; и ! m представляет собой целое число от 2 до 6, ! что приводит к образованию композиции, имеющей расширенное молекулярно-массовое распределение. ! 2. Композиция олефиновых сополимеров, имеющая бимодальное молекулярно-массовое распределение со средней молекулярной массой компонента с более высокой молекулярной массой, превышающей приблизительно в кратное целому числу раз среднюю молекулярную массу комнонента с более низкой молекулярной массой. ! 3. Смесь полимеров, включающая (1) органический или неорганический полимер, предпочтительно гомополимер этилена, сополимер этилена и способного к сополимеризации сомономера или гомополимер пропилена; и (2) композицию полимеров по п.2 или композицию полимеров, полученную способом по п.1. ! 4. Способ по п.1, в котором катализатор включает комплекс металла, соответствующий формуле ! ! где R11 выбирают из алкила, циклоалкила, гетероалкила, циклогетероалкила, арила и их инертно замещенных производных, содержащ�

Claims (9)

1. Способ полимеризации одного или нескольких способных к полиприсоединению мономеров с образованием композиции полимеров, включающий приведение в контакт способного к полиприсоединению мономера или смеси мономеров в реакторе или зоне реактора с композицией, включающей по крайней мере один катализатор полимеризации и сокатализатор, в условиях полимеризации, отличающийся тем, что по крайней мере часть указанной полимеризации проводят в присутствии передающего по принципу челнока агента с множеством центров, имеющим следующую формулу:
(M')mA,
где M' представляет собой передающий участок цепи;
А представляет собой линкерную группу, которая является органической группой; и
m представляет собой целое число от 2 до 6,
что приводит к образованию композиции, имеющей расширенное молекулярно-массовое распределение.
2. Композиция олефиновых сополимеров, имеющая бимодальное молекулярно-массовое распределение со средней молекулярной массой компонента с более высокой молекулярной массой, превышающей приблизительно в кратное целому числу раз среднюю молекулярную массу комнонента с более низкой молекулярной массой.
3. Смесь полимеров, включающая (1) органический или неорганический полимер, предпочтительно гомополимер этилена, сополимер этилена и способного к сополимеризации сомономера или гомополимер пропилена; и (2) композицию полимеров по п.2 или композицию полимеров, полученную способом по п.1.
4. Способ по п.1, в котором катализатор включает комплекс металла, соответствующий формуле
Figure 00000001
где R11 выбирают из алкила, циклоалкила, гетероалкила, циклогетероалкила, арила и их инертно замещенных производных, содержащих от 1 до 30 атомов, не являющихся атомами водорода, или их двухвалентного производного;
Т1 представляет собой двухвалентную мостиковую группу, содержащую от 1 до 41 атомов, отличных от атомов водорода, предпочтительно от 1 до 20 атомов, отличных от атомов водорода, и наиболее предпочтительно метиленовую группу или кремневодород, замещенные одной или двумя С1-20 углеводородной группами; и
R12 представляет собой С5-20 гетероарильную группу, содержащую функциональную группу основания Льюиса, в частности пиридин-2-ильную или замещенную пиридин-2-ильную группу или их двухвалентное производное;
М1 представляет собой металл 4 группы, предпочтительно гафний;
Х1 представляет собой анионную, нейтральную или дианионную лигандную группу;
x' представляет собой число от 0 до 5, указывающее на число групп Х1; и
связи, необязательные связи и притяжения передаваемых электронов представлены линиями, пунктирными линиями и стрелками, соответственно, или
комплекс металла, соответствующий формуле
Figure 00000002
где М2 представляет собой металл 4-10 групп периодической таблицы элементов;
Т2 представляет собой группу, содержащую азот, кислород или фосфор;
Х2 представляет собой галоген, углеводород или гидрокарбилокси;
t представляет собой число 1 или 2;
x" представляет собой число, выбранное так, чтобы обеспечить равновесие зарядов;
и Т2 и N связаны с помощью мостикового лиганда.
5. Способ по п.1 или 4, отличающийся получением композиции полимеров по п.2 или получением смеси полимеров по п.3.
6. Способ получения α,ω-дифункционализированного полимера, включающий:
а) приведение в контакт способного к полиприсоединению мономера или смеси мономеров в реакторе или зоне реактора с композицией, включающей по крайней мере один катализатор полимеризации и сокатализатор, в условиях полимеризации в присутствии передающего по принципу челнока агента с двумя центрами, способного переносить содержащие металлические центры участки на оба конца растущей цепи полимера;
b) извлечение полимера, замещенного на обоих концах содержащими металлические центры участки; и
с) замену концевых участков, содержащих металлические центры, желаемой функциональной группой.
7. Способ по п.6, в котором мономер или смесь мономеров включает один или несколько С2-20 α-олефинов.
8. Способ по п.6, в котором этилен гомополимеризуется с получением полимера с Mw от 500 до 10000.
9. Способ по любому из пп.6-8, в котором замену осуществляют с помощью реакции окисления или замещения, а получаемым в результате продуктом является дигидроксил- или дивинил-функционализированный полимер.
RU2008114492/04A 2005-09-15 2006-09-14 Контроль структуры и молекулярно-массового распределения полимеров посредством передающего по принципу челнока агента с множеством центров RU2008114492A (ru)

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EP2392601B1 (en) 2015-10-28
TW200714613A (en) 2007-04-16
WO2007035493A3 (en) 2007-05-10
ES2483591T3 (es) 2014-08-06
CA2622599A1 (en) 2007-03-29
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SG165384A1 (en) 2010-10-28
EP2392601A2 (en) 2011-12-07
US7947787B2 (en) 2011-05-24
EP1940897A2 (en) 2008-07-09
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US20080275189A1 (en) 2008-11-06
ES2558316T3 (es) 2016-02-03
BRPI0617041A2 (pt) 2011-07-12
JP2009509003A (ja) 2009-03-05
EP1940897B1 (en) 2014-05-07
WO2007035493A2 (en) 2007-03-29
EP2392601A3 (en) 2012-04-04
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CN101331164A (zh) 2008-12-24
JP5230426B2 (ja) 2013-07-10
AR058448A1 (es) 2008-02-06
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