RU95121813A - METHOD FOR PRODUCING A BLOCK POLYMER COMPOSITION AND A BLOCK COPOLYMER COMPOSITION - Google Patents

METHOD FOR PRODUCING A BLOCK POLYMER COMPOSITION AND A BLOCK COPOLYMER COMPOSITION

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Publication number
RU95121813A
RU95121813A RU95121813/04A RU95121813A RU95121813A RU 95121813 A RU95121813 A RU 95121813A RU 95121813/04 A RU95121813/04 A RU 95121813/04A RU 95121813 A RU95121813 A RU 95121813A RU 95121813 A RU95121813 A RU 95121813A
Authority
RU
Russia
Prior art keywords
double bonds
conjugated double
vinyl aromatic
monomer
diene
Prior art date
Application number
RU95121813/04A
Other languages
Russian (ru)
Other versions
RU2111220C1 (en
Inventor
Ван Вестренен Ерун
Маргарета Веринк Жаклин
Ван Донген Ари
Аугустинус Брукхейс Антониус
Original Assignee
Шелл Интернэшнл Рисерч Маатсхаппий Б.В.
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 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. filed Critical Шелл Интернэшнл Рисерч Маатсхаппий Б.В.
Priority claimed from PCT/EP1994/000988 external-priority patent/WO1994022931A1/en
Publication of RU95121813A publication Critical patent/RU95121813A/en
Application granted granted Critical
Publication of RU2111220C1 publication Critical patent/RU2111220C1/en

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Claims (12)

1. Способ получения блоксополимерной композиции, включающей в себя следующие последовательные стадии: (1) полимеризация винилового ароматического мономера в инертном углеводородном растворителе в присутствии литийорганического инициатора, осуществляемая, в основном, до полного превращения указанного мономера; (2) добавление диенового мономера с сопряженными двойными связями к полимеризационной смеси и осуществление полимеризации указанного диенового мономера, в основном, до его полного превращения; (3) добавление второй части литийорганического инициатора с последующим добавлением второй части диенового мономера с сопряженными двойными связями и осуществление полимеризации указанного диенового мономера, в основном, до полного его превращения; (4) добавление второй части винилового ароматического мономера и осуществление полимеризации указанного винилового ароматического мономера, в основном, до полного его превращения и (5) добавление агента обрыва цепи.1. A method of obtaining a block copolymer composition comprising the following sequential steps: (1) polymerization of a vinyl aromatic monomer in an inert hydrocarbon solvent in the presence of an organolithium initiator, carried out mainly until the complete conversion of the specified monomer; (2) adding a diene monomer with conjugated double bonds to the polymerization mixture and polymerizing said diene monomer, basically, until it is completely converted; (3) adding a second part of an organolithium initiator followed by adding a second part of a diene monomer with conjugated double bonds and polymerizing said diene monomer, basically, until it is completely converted; (4) adding a second portion of the vinyl aromatic monomer and polymerizing said vinyl aromatic monomer substantially until it is completely converted; and (5) adding a chain terminating agent. 2. Способ по п. 1, где количество диена с сопряженными двойными связями, добавляемое в стадии (3), является таким, что молярно-массовое отношение между полимерными блоками диена с сопряженными двойными связями в диблоксополимере и триблоксополимере составляет в пределах от 0,3 до 0,7. 2. The method according to p. 1, where the amount of diene with conjugated double bonds, added in stage (3), is such that the molar-mass ratio between the polymer blocks of the diene with conjugated double bonds in the diblock copolymer and tribloxopolymer is in the range from 0.3 up to 0.7. 3. Способ по п. 2, где количество диена с сопряженными двойными связями, добавляемое в стадии (3), является таким, что молярно-массовое отношение между полимерными блоками диена с сопряженными двойными связями в диблоксополимере и триблоксополимере составляет 0,5. 3. The method according to claim 2, where the amount of diene with conjugated double bonds, added in stage (3), is such that the molar mass ratio between the polymer blocks of the diene with conjugated double bonds in the diblock copolymer and tribloxopolymer is 0.5. 4. Способ по любому из пп. 1-4, где виниловым ароматическим мономером является стирол. 4. The method according to any one of paragraphs. 1-4, where the vinyl aromatic monomer is styrene. 5. Способ по любому из пп. 1-4, где диеновый мономер с сопряженными двойными связями выбирают из бутадиена, изопрена и их смесей. 5. The method according to any one of paragraphs. 1-4, where the diene monomer with conjugated double bonds selected from butadiene, isoprene and mixtures thereof. 6. Способ по п. 5, где диеновым мономером с сопряженными двойными связями является изопрен. 6. The method of claim 5, wherein the diene monomer with conjugated double bonds is isoprene. 7. Способ по любому из пп. 1-6, где инертный углеводород выбирают из смесей циклогексана/н-гексана/изопентана, циклогексана и циклопентана. 7. The method according to any one of paragraphs. 1-6, where the inert hydrocarbon is selected from mixtures of cyclohexane / n-hexane / isopentane, cyclohexane and cyclopentane. 8. Блоксополимерная композиция, включающая в себя (1) триблоксополимер А-В-В'-А', имеющий два различных или одинаковых полимерных концевых блока А и А', происходящих от винилового ароматического мономера; и один полимерный срединный блок В-В', происходящий от диенового мономера с сопряженными двойными связями; и (2) диблоксополимер В'-А', имеющий один полимерный блок В', происходящий от диенового мономера с сопряженными двойными связями; и один полимерный блок А', происходящий от винилового ароматического мономера, где молярно-массовое отношение А'(триблок)/А'(диблок) составляет в пределах от 0,9 до 1,1 и где содержание винилового ароматического соединения в триблоксополимере, а также в диблоксополимере составляет 55% или менее по полной массе триблоксополимера и диблоксополимера соответственно, полученных способом последовательной полимеризации по любому из пп. 1-7. 8. A block copolymer composition comprising (1) a triblock copolymer A-B-B'-A ', having two different or identical polymer end blocks A and A', originating from a vinyl aromatic monomer; and one polymer middle block B-B ', derived from a diene monomer with conjugated double bonds; and (2) a diblock copolymer B'-A 'having one polymer block B', derived from a diene monomer with conjugated double bonds; and one polymer block A ', derived from a vinyl aromatic monomer, where the molar-mass ratio A' (triblock) / A '(diblock) is in the range from 0.9 to 1.1 and where the content of the vinyl aromatic compound in the tribloxopolymer, and also in the diblock copolymer, it is 55% or less of the total weight of the triblock copolymer and diblock copolymer, respectively, obtained by the sequential polymerization method according to any one of claims. 1-7. 9. Блоксополимерная композиция по п. 8, в которой молярно-массовое отношение А'(триблок)/А'(диблок) равно 1. 9. The block copolymer composition according to claim 8, in which the molar-mass ratio A '(triblock) / A' (diblock) is 1. 10. Блоксополимерная композиция по п. 8 или 9, в которой содержания винилового ароматического соединения в триблоксополимере и диблоксополимере составляют в пределах от 14 до 35 мас.%. 10. The block copolymer composition according to claim 8 or 9, in which the content of the vinyl aromatic compound in the triblock copolymer and diblock copolymer is in the range from 14 to 35 wt.%. 11. Блоксополимерная композиция по любому из пп. 8-10, в которой триблоксополимер и диблоксополимер имеют одинаковое содержание винилового ароматического соединения. 11. Block copolymer composition according to any one of paragraphs. 8-10, in which the tribloxopolymer and dibloxopolymer have the same vinyl aromatic compound content. 12. Блок-сополимерная композиция по любому из пп. 8-11, в которой массовое отношение между триблоксополимером и диблоксополимером составляет в пределах от 0,2 до 20,0. 12. The block copolymer composition according to any one of paragraphs. 8-11, in which the mass ratio between the triblock copolymer and diblock copolymer is in the range from 0.2 to 20.0.
RU95121813A 1993-03-30 1994-03-28 Method of preparing block copolymeric composition, and block copolymeric composition RU2111220C1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP93200909.5 1993-03-30
EP93200909 1993-03-30
PCT/EP1994/000988 WO1994022931A1 (en) 1993-03-30 1994-03-28 Process for the preparation of a block copolymer composition and block copolymer composition

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RU95121813A true RU95121813A (en) 1997-09-20
RU2111220C1 RU2111220C1 (en) 1998-05-20

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US (1) US5405903A (en)
EP (1) EP0691991B1 (en)
JP (1) JP3258664B2 (en)
KR (1) KR100312401B1 (en)
CN (1) CN1068344C (en)
BR (1) BR9405911A (en)
DE (1) DE69405983T2 (en)
ES (1) ES2107207T3 (en)
RU (1) RU2111220C1 (en)
TW (1) TW302374B (en)
WO (1) WO1994022931A1 (en)

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