RU92001900A - METHOD OF OBTAINING MODIFIED 1,4-POLYBUTADIENE - Google Patents

METHOD OF OBTAINING MODIFIED 1,4-POLYBUTADIENE

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Publication number
RU92001900A
RU92001900A RU92001900/05A RU92001900A RU92001900A RU 92001900 A RU92001900 A RU 92001900A RU 92001900/05 A RU92001900/05 A RU 92001900/05A RU 92001900 A RU92001900 A RU 92001900A RU 92001900 A RU92001900 A RU 92001900A
Authority
RU
Russia
Prior art keywords
polybutadiene
chloroform
alkali metal
metal hydroxide
phase transfer
Prior art date
Application number
RU92001900/05A
Other languages
Russian (ru)
Other versions
RU2073019C1 (en
Inventor
Л.М. Коган
А.С. Скорняков
В.А. Кормер
Original Assignee
Всесоюзный научно-исследовательский институт синтетического каучука им.акад.С.В.Лебедева
Filing date
Publication date
Application filed by Всесоюзный научно-исследовательский институт синтетического каучука им.акад.С.В.Лебедева filed Critical Всесоюзный научно-исследовательский институт синтетического каучука им.акад.С.В.Лебедева
Priority to RU92001900A priority Critical patent/RU2073019C1/en
Priority claimed from RU92001900A external-priority patent/RU2073019C1/en
Publication of RU92001900A publication Critical patent/RU92001900A/en
Application granted granted Critical
Publication of RU2073019C1 publication Critical patent/RU2073019C1/en

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Claims (1)

Цель: повышение степени превращения гидроксида щелочного металла в дихлорциклопропановые группы и получение полимера со статистическим их распределением. Сущность изобретения: в углеводородный раствор 1,4-полибутадиена дробно вводят хлорформ и/или катализатор межфазного переноса, и/или гидроксид щелочного металла в мольном соотношении 1,4-полибутадиен : хлороформ : гидроксид щелочного металла : катализатор межфазного переноса 1 : (1,0 oC 3,0) : (0,3 oC 2,0) : (0,002 oC 0,02). Взаимодействие проводят в течение 0,5 oC 4 часов при температуре 20 oC 40oС. В качестве катализатора межфазного переноса используют четвертичные аммониевые соли: триэтилбензиламмонийхлорид, тетраэтиламмонийхлорид, тетрабутиламмонийхлорид, тетрабутиламмонийбромид или триалкиламин: триметиламин, триэтиламин, трибутиламин. Триалкиламин вводят в раствор 1,4-полибутадиена в виде комплекса с хлороформом.Objective: to increase the degree of conversion of alkali metal hydroxide to dichlorocyclopropane groups and to obtain a polymer with their statistical distribution. The essence of the invention: chloroform and / or phase transfer catalyst and / or alkali metal hydroxide in a molar ratio of 1,4-polybutadiene: chloroform: alkali metal hydroxide: phase transfer catalyst 1: (1, 0 o C 3,0): (0,3 o C 2,0): (0,002 o C 0,02). The interaction is carried out for 0.5 o C for 4 hours at a temperature of 20 o C 40 o C. Quaternary ammonium salts are used as phase transfer catalyst. Trialkylamine is introduced into a solution of 1,4-polybutadiene in the form of a complex with chloroform.
RU92001900A 1992-10-14 1992-10-14 Process for preparing modified 1,4-polybutadiene containing dichlorocyclopropane groups RU2073019C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU92001900A RU2073019C1 (en) 1992-10-14 1992-10-14 Process for preparing modified 1,4-polybutadiene containing dichlorocyclopropane groups

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU92001900A RU2073019C1 (en) 1992-10-14 1992-10-14 Process for preparing modified 1,4-polybutadiene containing dichlorocyclopropane groups

Publications (2)

Publication Number Publication Date
RU92001900A true RU92001900A (en) 1996-04-27
RU2073019C1 RU2073019C1 (en) 1997-02-10

Family

ID=20130882

Family Applications (1)

Application Number Title Priority Date Filing Date
RU92001900A RU2073019C1 (en) 1992-10-14 1992-10-14 Process for preparing modified 1,4-polybutadiene containing dichlorocyclopropane groups

Country Status (1)

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RU (1) RU2073019C1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2456303C1 (en) * 2011-02-28 2012-07-20 Государственное образовательное учреждение высшего профессионального образования "Башкирский государственный университет" (ГОУ ВПО БашГУ) Method of producing polymers containing dichlorocyclopropane groups
RU2470032C1 (en) * 2011-04-20 2012-12-20 Государственное образовательное учреждение высшего профессионального образования "Башкирский государственный университет" (ГОУ ВПО БашГУ) Method of producing polymers containing dichlorocyclopropane groups

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