RU99122681A - METHOD FOR PRODUCING BUTYL RUBBER - Google Patents

METHOD FOR PRODUCING BUTYL RUBBER

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Publication number
RU99122681A
RU99122681A RU99122681/04A RU99122681A RU99122681A RU 99122681 A RU99122681 A RU 99122681A RU 99122681/04 A RU99122681/04 A RU 99122681/04A RU 99122681 A RU99122681 A RU 99122681A RU 99122681 A RU99122681 A RU 99122681A
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RU
Russia
Prior art keywords
carbon atoms
mol
reaction
catalyst mixture
amount
Prior art date
Application number
RU99122681/04A
Other languages
Russian (ru)
Other versions
RU2242482C2 (en
Inventor
Адам ГРОНОВСКИ
Original Assignee
Байер Инк.
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Filing date
Publication date
Priority claimed from CA002252295A external-priority patent/CA2252295C/en
Application filed by Байер Инк. filed Critical Байер Инк.
Publication of RU99122681A publication Critical patent/RU99122681A/en
Application granted granted Critical
Publication of RU2242482C2 publication Critical patent/RU2242482C2/en

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Claims (11)

1. Способ получения бутилового каучука с высоким средним молекулярным весом путем контактирования моноолефинового мономера с 4-8 атомами углерода с мультиолефиновым мономером с 4-14 атомами углерода в среде алифатического углеводородного разбавителя в присутствии катализаторной смеси, включающей большее количество галогенида диалкилалюминия и меньшее количество дигалогенида моноалкилалюминия, отличающийся тем, что реакцию проводят в присутствии катализаторной смеси, дополнительно содержащей незначительное количество, по меньшей мере, одного вещества из группы, включающей воду, алюмоксан и их смесь.1. The method of producing butyl rubber with a high average molecular weight by contacting a monoolefin monomer with 4-8 carbon atoms with a multiolefin monomer with 4-14 carbon atoms in an aliphatic hydrocarbon diluent in the presence of a catalyst mixture comprising more dialkyl aluminum halide and less monoalkyl aluminum dihalide characterized in that the reaction is carried out in the presence of a catalyst mixture additionally containing a small amount, at least e, one substance from the group comprising water, aluminoxane and mixtures thereof. 2. Способ по п.1, отличающийся тем, что реакцию осуществляют при температуре в пределах примерно от -100oС примерно до +50oС, предпочтительно в пределах примерно от -80oС примерно до -20oС.2. The method according to claim 1, characterized in that the reaction is carried out at a temperature in the range from about -100 ° C. to about +50 ° C. , preferably in the range from about -80 ° C. to about -20 ° C. 3. Способ по п.1, отличающийся тем, что реакцию осуществляют в присутствии указанной катализаторной смеси, содержащей примерно от 80 примерно до 99 моль. %, предпочтительно примерно от 85 примерно до 99 моль.%, галогенида диалкилалюминия и примерно от 1 примерно до 20 моль.%, предпочтительно примерно от 1 примерно до 20 моль.%, дигалогенида моноалкилалюминия. 3. The method according to claim 1, characterized in that the reaction is carried out in the presence of the specified catalyst mixture containing from about 80 to about 99 mol. %, preferably from about 85 to about 99 mol.%, dialkylaluminum halide and from about 1 to about 20 mol.%, preferably from about 1 to about 20 mol.%, monoalkylaluminum dihalide. 4. Способ по п.1, отличающийся тем, что воду добавляют непосредственно к катализаторной смеси, и полученный раствор, содержащий суспендированные белые частицы, используют непосредственно для инициирования реакции полимеризации. 4. The method according to claim 1, characterized in that water is added directly to the catalyst mixture, and the resulting solution containing suspended white particles is used directly to initiate the polymerization reaction. 5. Способ по п.1 или 4, отличающийся тем, что алюмоксан добавляют непосредственно к катализаторной смеси, и полученный гомогенный раствор используют непосредственно для инициирования реакции полимеризации. 5. The method according to claim 1 or 4, characterized in that alumoxane is added directly to the catalyst mixture, and the resulting homogeneous solution is used directly to initiate the polymerization reaction. 6. Способ по любому из пп.1-5, отличающийся тем, что галогенид диалкилалюминия используют в количестве примерно от 0,01 примерно до 2,0% от веса общего количества мономеров. 6. The method according to any one of claims 1 to 5, characterized in that the dialkyl aluminum halide is used in an amount of from about 0.01 to about 2.0% by weight of the total amount of monomers. 7. Способ по любому из пп.1-6, отличающийся тем, что дигалогенид моноалкилалюминия используют в количестве примерно от 0,002 примерно до 0,4% от веса общего количества мономеров. 7. The method according to any one of claims 1 to 6, characterized in that the monoalkylaluminum dihalide is used in an amount of from about 0.002 to about 0.4% by weight of the total amount of monomers. 8. Способ по любому из пп.1-7, отличающийся тем, что в качестве алифатического углеводородного разбавителя используют парафиновый разбавитель с 4-8 атомами углерода. 8. The method according to any one of claims 1 to 7, characterized in that a paraffinic diluent with 4-8 carbon atoms is used as an aliphatic hydrocarbon diluent. 9. Способ по любому из пп.1-8, отличающийся тем, что используют катализаторную смесь, включающую примерно от 85 примерно до 99 моль.% галогенида диалкилалюминия с 2-16 атомами углерода, в котором каждая алкильная группа содержит 1-8 атомов углерода, и примерно от 1 примерно до 15 моль.% дигалогенида моноалкилалюминия с 1-8 атомами углерода, в котором каждая алкильная группа содержит 1-8 атомов углерода. 9. The method according to any one of claims 1 to 8, characterized in that the use of a catalyst mixture comprising from about 85 to about 99 mol.% Dialkylaluminum halide with 2-16 carbon atoms, in which each alkyl group contains 1-8 carbon atoms and from about 1 to about 15 mol.% monoalkylaluminum dihalide with 1-8 carbon atoms, in which each alkyl group contains 1-8 carbon atoms. 10. Способ по любому из пп.1-9, отличающийся тем, что содержание воды в реакционной смеси составляет 2-100 частей на миллион. 10. The method according to any one of claims 1 to 9, characterized in that the water content in the reaction mixture is 2-100 ppm. 11. Способ по любому из пп.1-10, отличающийся тем, что содержание алюмоксана в реакционной смеси составляет 0,01-10 частей на миллион. 11. The method according to any one of claims 1 to 10, characterized in that the alumoxane content in the reaction mixture is 0.01-10 ppm.
RU99122681/04A 1998-10-30 1999-10-29 Butyl rubber manufacture process RU2242482C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002252295A CA2252295C (en) 1998-10-30 1998-10-30 Improved process for preparation of butyl rubber utilizing activated alkylaluminum halides
CA2,252,295 1998-10-30

Publications (2)

Publication Number Publication Date
RU99122681A true RU99122681A (en) 2001-07-20
RU2242482C2 RU2242482C2 (en) 2004-12-20

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Country Status (8)

Country Link
US (1) US6403747B2 (en)
EP (1) EP0997481B1 (en)
JP (2) JP2000136207A (en)
KR (1) KR100594559B1 (en)
CN (1) CN1117774C (en)
CA (1) CA2252295C (en)
DE (1) DE69936831T2 (en)
RU (1) RU2242482C2 (en)

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