RU96106229A - METHOD FOR PRODUCING DIENE COPOLIMERS (OPTIONS) - Google Patents

METHOD FOR PRODUCING DIENE COPOLIMERS (OPTIONS)

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Publication number
RU96106229A
RU96106229A RU96106229/04A RU96106229A RU96106229A RU 96106229 A RU96106229 A RU 96106229A RU 96106229/04 A RU96106229/04 A RU 96106229/04A RU 96106229 A RU96106229 A RU 96106229A RU 96106229 A RU96106229 A RU 96106229A
Authority
RU
Russia
Prior art keywords
isoprene
ethylenediamine
tetra
additives
butadiene
Prior art date
Application number
RU96106229/04A
Other languages
Russian (ru)
Other versions
RU2124529C1 (en
Inventor
Н.А. Коноваленко
А.Г. Харитонов
Н.П. Проскурина
Л.Д. Кудрявцев
А.В. Молодыка
В.А. Привалов
А.В. Рачинский
И.Р. Марков
Original Assignee
Воронежский филиал Государственного предприятия "Научно-исследовательский институт синтетического каучука им.акад.С.В.Лебедева"
Filing date
Publication date
Application filed by Воронежский филиал Государственного предприятия "Научно-исследовательский институт синтетического каучука им.акад.С.В.Лебедева" filed Critical Воронежский филиал Государственного предприятия "Научно-исследовательский институт синтетического каучука им.акад.С.В.Лебедева"
Priority to RU96106229A priority Critical patent/RU2124529C1/en
Priority claimed from RU96106229A external-priority patent/RU2124529C1/en
Publication of RU96106229A publication Critical patent/RU96106229A/en
Application granted granted Critical
Publication of RU2124529C1 publication Critical patent/RU2124529C1/en

Links

Claims (3)

1. Способ получения сополимеров диенов путем анионной полимеризации бутадиена и изопрена в инертном органическом растворителе в присутствии каталитической системы на основе бутиллития и добавок, отличающийся тем, что в качестве каталитической системы используют продукт взаимодействия бутиллития и добавок - изопрена и N,N,N',N'-тетра(натрийоксиметилэтилен)этилендиамина, взятых в мольном соотношении бутиллитий : N,N,N',N'-тетра(натрийоксиметилэтилен)этилендиамин : изопрен, равном 1 : (0,07 - 0,15) : (15 - 25), при массовом соотношении мономеров бутадиен : изопрен 40 - 60 : 40 - 60 соответственно.1. A method of producing copolymers of dienes by anionic polymerization of butadiene and isoprene in an inert organic solvent in the presence of a catalytic system based on butyl lithium and additives, characterized in that the product of the interaction of butyl lithium and additives is isoprene and N, N, N 'is used as a catalytic system N'-tetra (sodium oxymethylene) ethylenediamine, taken in a molar ratio of butyllithium: N, N, N ', N'-tetra (sodium oxymethylethylene) ethylenediamine: isoprene equal to 1: (0.07 - 0.15): (15 - 25 ), with a mass ratio of butadiene monomers: and zoprene 40-60: 40-60, respectively. 2. Способ получения сополимеров диенов путем анионной полимеризации бутадиена и стирола в инертном органическом растворителе в присутствии каталитической системы на основе бутиллития и добавок, отличающийся тем, что в качестве каталитической системы используют продукт взаимодействия бутиллития и добавок - изопрена и N,N,N',N'-тетра(натрийоксиметилэтилен)этилендиамина, взятых в мольном соотношении бутиллитий : N,N,N',N'-тетра(натрийоксиметилэтилен)этилендиамин : изопрен 1 : (0,07 - 0,15) : (15 - 25) соответственно, а полимеризацию ведут при массовом соотношении мономеров бутадиен : стирол 85 - 90 : 15 - 10 соответственно. 2. A method of producing copolymers of dienes by anionic polymerization of butadiene and styrene in an inert organic solvent in the presence of a butyl lithium catalyst system and additives, characterized in that the product of the interaction of butyl lithium and additives is isoprene and N, N, N ', is used as a catalytic system N'-tetra (sodium oxymethylene) ethylenediamine, taken in a molar ratio of butyllithium: N, N, N ', N'-tetra (sodium oxymethylethylene) ethylenediamine: isoprene 1: (0.07 - 0.15): (15 - 25), respectively , and polymerization is carried out with mass Ocean monomers butadiene: styrene 85 - 90: 15 - 10, respectively. 3. Способ получения сополимеров диенов путем анионной сополимеризации бутадиена, изопрена и стирола в инертном органическом растворителе в присутствии каталитической системы на основе бутиллития и добавок, отличающийся тем, что в качестве каталитической системы используют продукт взаимодействия бутиллития и добавок - изопрена и N,N,N',N'-тетра(натрийоксиметилэтилен)этилендиамина, взятых в мольном соотношении бутиллитий N,N,N',N'-тетра(натрийоксиметилэтилен)этилендиамин : изопрен, равном 1 : (0,07 - 0,15) : (15 - 25) соответственно и полимеризацию ведут при массовом соотношении мономеров бутадиен : стирол : изопрен 30 - 40 : 15 - 30 : 30 - 50 соответственно. 3. A method of producing copolymers of dienes by anionic copolymerization of butadiene, isoprene and styrene in an inert organic solvent in the presence of a catalytic system based on butyl lithium and additives, characterized in that the product of the interaction of butyl lithium and additives is isoprene and N, N, N is used as a catalytic system ', N'-tetra (sodium oxymethylene) ethylenediamine, taken in a molar ratio of butyllithium N, N, N', N'-tetra (sodium oxymethylethylene) ethylenediamine: isoprene, equal to 1: (0.07 - 0.15): (15 - 25) respectively, and polymerization are with a mass ratio of butadiene: styrene: isoprene monomers 30-40: 15-30: 30-50, respectively.
RU96106229A 1996-03-27 1996-03-27 Method of preparing diene copolymers (variants) RU2124529C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU96106229A RU2124529C1 (en) 1996-03-27 1996-03-27 Method of preparing diene copolymers (variants)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU96106229A RU2124529C1 (en) 1996-03-27 1996-03-27 Method of preparing diene copolymers (variants)

Publications (2)

Publication Number Publication Date
RU96106229A true RU96106229A (en) 1998-06-10
RU2124529C1 RU2124529C1 (en) 1999-01-10

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Application Number Title Priority Date Filing Date
RU96106229A RU2124529C1 (en) 1996-03-27 1996-03-27 Method of preparing diene copolymers (variants)

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Publication number Priority date Publication date Assignee Title
EP3487889B1 (en) 2016-07-22 2022-03-09 Public Joint Stock Company "Sibur Holding" A method for producing branched modified rubber and a rubber composition comprising branched modified rubber prepared by the method, and use thereof

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