EA199700428A1 - Полимер с бимодальным распределением молекулярного веса - Google Patents

Полимер с бимодальным распределением молекулярного веса

Info

Publication number
EA199700428A1
EA199700428A1 EA199700428A EA199700428A EA199700428A1 EA 199700428 A1 EA199700428 A1 EA 199700428A1 EA 199700428 A EA199700428 A EA 199700428A EA 199700428 A EA199700428 A EA 199700428A EA 199700428 A1 EA199700428 A1 EA 199700428A1
Authority
EA
Eurasian Patent Office
Prior art keywords
molecular weight
polymer
bimodal
weight distribution
distribution
Prior art date
Application number
EA199700428A
Other languages
English (en)
Other versions
EA001222B1 (ru
Inventor
Дональд Эндрью Уайт
Original Assignee
Эксон Кемикэл Пейтентс Инк.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Эксон Кемикэл Пейтентс Инк. filed Critical Эксон Кемикэл Пейтентс Инк.
Publication of EA199700428A1 publication Critical patent/EA199700428A1/ru
Publication of EA001222B1 publication Critical patent/EA001222B1/ru

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/14—Peroxides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
    • C08F255/08—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having four or more carbon atoms
    • C08F255/10—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having four or more carbon atoms on to butene polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/50—Partial depolymerisation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/20—Carboxylic acid amides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
    • C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
    • C08L23/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2800/00—Copolymer characterised by the proportions of the comonomers expressed
    • C08F2800/20—Copolymer characterised by the proportions of the comonomers expressed as weight or mass percentages
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2810/00—Chemical modification of a polymer
    • C08F2810/10—Chemical modification of a polymer including a reactive processing step which leads, inter alia, to morphological and/or rheological modifications, e.g. visbreaking

Abstract

В заявке описан способ постполимеризации для модификации молекулярно-массового распределения полимера, характеризующегося мономодальным молекулярно-массовым распределением, причем молекулярная масса этого полимера, когда его подвергают перемешиванию с высокой сдвиговой деформацией в присутствии инициатора свободнорадикальной полимеризации, обычно уменьшается, и получают полимер, обладающий бимодальным молекулярно-массовым распределением. Этот способ включает: (а) нагревание смеси полимера, полиненасыщенного сшивающего агента и необязательно инициатора свободнорадикальной полимеризации с получением однородной смеси и (б) перемешивание этой смеси в условиях высокой сдвиговой деформации до образования полимера, обладающего бимодальным молекулярно-массовым распределением. В более предпочтительном варианте перемешивание со сдвиговой деформацией проводят в присутствии инициатора свободнорадикальной полимеризации, такого как органическая перекись, а сшивающим агентом служит бифункциональное соединение, содержащее диаллиловую, дивиниловую или диэтиленовую ненасыщенную связь. В результате осуществления такого способа получают полимеры, характеризующиеся бимодальным молекулярно-массовым распределением вследствие реакции сочетания некоторой части полимерных цепей, деструктированных свободными радикалами, с присоединением посредством насыщенной функциональной группы сшивающего агента. Высокомолекулярные компоненты при бимодальном распределении придают полимеру более высокую прочность расплава, а более низкомолекулярные компоненты улучшают перерабатываемость и свойства
EA199700428A 1995-05-25 1996-05-23 Способ получения полимера, обладающего бимодальным молекулярно-массовым распределением, способ модификации молекулярно-массового распределения статистического сополимера изобутилена, полимерный продукт и полимерная композиция на его основе EA001222B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/450,068 US5578682A (en) 1995-05-25 1995-05-25 Bimodalization of polymer molecular weight distribution
PCT/US1996/007387 WO1996037521A1 (en) 1995-05-25 1996-05-23 Bimodalization of polymer molecular weight distribution

Publications (2)

Publication Number Publication Date
EA199700428A1 true EA199700428A1 (ru) 1998-10-29
EA001222B1 EA001222B1 (ru) 2000-12-25

Family

ID=23786638

Family Applications (1)

Application Number Title Priority Date Filing Date
EA199700428A EA001222B1 (ru) 1995-05-25 1996-05-23 Способ получения полимера, обладающего бимодальным молекулярно-массовым распределением, способ модификации молекулярно-массового распределения статистического сополимера изобутилена, полимерный продукт и полимерная композиция на его основе

Country Status (15)

Country Link
US (1) US5578682A (ru)
EP (1) EP0828761B1 (ru)
JP (1) JPH11505273A (ru)
KR (1) KR19990021915A (ru)
CN (1) CN1154669C (ru)
BR (1) BR9609044A (ru)
CA (1) CA2220000A1 (ru)
CZ (1) CZ371897A3 (ru)
DE (1) DE69609329T2 (ru)
EA (1) EA001222B1 (ru)
ES (1) ES2150678T3 (ru)
HU (1) HUP9802774A3 (ru)
PL (1) PL323499A1 (ru)
TW (1) TW335399B (ru)
WO (1) WO1996037521A1 (ru)

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Also Published As

Publication number Publication date
JPH11505273A (ja) 1999-05-18
EP0828761B1 (en) 2000-07-12
KR19990021915A (ko) 1999-03-25
PL323499A1 (en) 1998-03-30
MX9709029A (es) 1998-03-31
CN1154669C (zh) 2004-06-23
BR9609044A (pt) 1999-05-11
EA001222B1 (ru) 2000-12-25
CN1189167A (zh) 1998-07-29
TW335399B (en) 1998-07-01
CA2220000A1 (en) 1996-11-28
EP0828761A1 (en) 1998-03-18
HUP9802774A3 (en) 1999-04-28
DE69609329T2 (de) 2001-01-18
CZ371897A3 (cs) 1998-08-12
US5578682A (en) 1996-11-26
WO1996037521A1 (en) 1996-11-28
HUP9802774A2 (hu) 1999-03-29
ES2150678T3 (es) 2000-12-01
DE69609329D1 (de) 2000-08-17

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