RU98110164A - METHOD FOR PRODUCING POLYISOBUTENE - Google Patents

METHOD FOR PRODUCING POLYISOBUTENE

Info

Publication number
RU98110164A
RU98110164A RU98110164/04A RU98110164A RU98110164A RU 98110164 A RU98110164 A RU 98110164A RU 98110164/04 A RU98110164/04 A RU 98110164/04A RU 98110164 A RU98110164 A RU 98110164A RU 98110164 A RU98110164 A RU 98110164A
Authority
RU
Russia
Prior art keywords
isobutylene
titanium tetrachloride
titanium
producing polyisobutene
producing
Prior art date
Application number
RU98110164/04A
Other languages
Russian (ru)
Other versions
RU2148590C1 (en
Inventor
В.И. Аксенов
Н.А. Головина
В.Л. Золотарев
А.И. Несмелов
В.Б. Мурачев
Е.А. Ежова
В.С. Бырихин
Г.Н. Грунин
В.И. Хлустиков
Original Assignee
Открытое акционерное общество "Ефремовский завод синтетического каучука"
Общество с ограниченной ответственностью "ТехсинтезСК"
Filing date
Publication date
Application filed by Открытое акционерное общество "Ефремовский завод синтетического каучука", Общество с ограниченной ответственностью "ТехсинтезСК" filed Critical Открытое акционерное общество "Ефремовский завод синтетического каучука"
Priority to RU98110164A priority Critical patent/RU2148590C1/en
Priority claimed from RU98110164A external-priority patent/RU2148590C1/en
Publication of RU98110164A publication Critical patent/RU98110164A/en
Application granted granted Critical
Publication of RU2148590C1 publication Critical patent/RU2148590C1/en

Links

Claims (1)

Способ получения полиизобутилена полимеризацией изобутилена в углеводородном растворителе в присутствии каталитической системы, состоящей из четыреххлористого титана и триалкилалюминия, отличающийся тем, что в качестве триалкилалюминия используют триизобутилалюминий и процесс проводят при температуре (-50) oC (-10)°С путем ввода во фракцию углеводородов C3-C4, содержащую изобутилен в количестве 20 - 60 мас.% и воду в количестве 0,0005 - 0,004 мас.%, четыреххлористого титана из расчета его содержания 0,1-1,5 моль на 100 кг изобутилена и триизобутилалюминия при мольном отношении титан: алюминий 20 - 0,2.A method of producing polyisobutylene by polymerization of isobutylene in a hydrocarbon solvent in the presence of a catalytic system consisting of titanium tetrachloride and trialkylaluminium, characterized in that triisobutylaluminium is used as trialkylaluminum and the process is carried out at a temperature of (-50) o C (-10) ° C by introducing into the fraction hydrocarbons C 3 -C 4 containing isobutene in a quantity of 20 - 60 wt% and water in an amount of 0.0005 -. 0.004 wt% titanium tetrachloride at the rate of its content of 0.1-1.5 mol per 100 kg of isobutylene and triizobutilalyumi. Ia in a molar ratio of titanium: aluminum 20 - 0.2.
RU98110164A 1998-05-26 1998-05-26 Method of synthesis of polyisobutylene RU2148590C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU98110164A RU2148590C1 (en) 1998-05-26 1998-05-26 Method of synthesis of polyisobutylene

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU98110164A RU2148590C1 (en) 1998-05-26 1998-05-26 Method of synthesis of polyisobutylene

Publications (2)

Publication Number Publication Date
RU98110164A true RU98110164A (en) 2000-02-20
RU2148590C1 RU2148590C1 (en) 2000-05-10

Family

ID=20206538

Family Applications (1)

Application Number Title Priority Date Filing Date
RU98110164A RU2148590C1 (en) 1998-05-26 1998-05-26 Method of synthesis of polyisobutylene

Country Status (1)

Country Link
RU (1) RU2148590C1 (en)

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