Process for producing polybutadiene rubber and rubber composition
Номер патента: MY143198A
Опубликовано: 31-03-2011
Автор(ы): Jyun Yamashita, Mitsuharu Anbe, Naomi Okamoto, Osamu Kimura, Takashi Kitamura, Takashi Wada, Tetsuji Nakajima
Принадлежит: Ube Industries
Опубликовано: 31-03-2011
Автор(ы): Jyun Yamashita, Mitsuharu Anbe, Naomi Okamoto, Osamu Kimura, Takashi Kitamura, Takashi Wada, Tetsuji Nakajima
Принадлежит: Ube Industries
Реферат: - 1 3 0 - PROCESS FOR PRODUCING POLYBUTADIENE RUBBER AND RUBBER COMPOSITION ABSTRACT APROCESS FORPRODUCING A VINYL-CIS-POLYBUTADIENE RUBBER, 5 INCLUDING MIXING (A) VINYL-CIS-POLYBUTADIENE OBTAINED BY (1) A STEP OF ADDING A CIS-1,4-POLYMERIZATION CATALYST OBTAINABLE FROM AN ORGANOALUMINUM COMPOUND AND A SOLUBLE COBALT COMPOUND TO A MIXTURE CONTAINING 1, 3-BUTADIENE AND A HYDROCARBON-BASED ORGANIC SOLVENT AS THE MAJOR COMPONENTS AND HAVING AN ADJUSTED 10 WATER CONTENT, THEREBY SUBJECTING THE 1,3-BUTADIENE TO CIS-1,4-POLYMERIZATION AND SUBSEQUENTLY, (2) A STEP OF MAKING A CATALYST OBTAINABLE FROM A SOLUBLE COBALT COMPOUND, AN ORGANOALUMINUM COMPOUND REPRESENTED BY THE GENERAL FORMULA, ALR3 (WHEREIN R REPRESENTS AN ALKYL GROUP HAVING FROM I TO 6 15 CARBON ATOMS, A PHENYL GROUP, OR A CYCLOALKYL GROUP) , AND CARBON DISULFIDE PRESENT IN THE RESULTING POLYMERIZATION REACTION MIXTURE, THEREBY SUBJECTING THE 1,3-BUTADIENE TO 1,2-POLYMERIZATION; AND (B) CIS-POLYBUTADIENE OBTAINED BY A STEP OF ADDING THE FOREGOING CIS-1,4-POLYMERIZATION CATALYST, 20 THEREBY SUBJECTING THE 1,3-BUTADIENE TO CIS-1,4-POLYMER- IZATION AND A RUBBER COMPOSITION CONTAINING THE RESULTING RUBBER.
Process for producing modified conjugated diene rubber, modified conjugated diene rubber, and conjugated diene rubber composition
Номер патента: JP5864400B2. Автор: チ−チェン シェ,フー リン,チ−タ サイ,フイ−カイ リン,ボ−ハン リン. Владелец: 台橡股▲ふん▼有限公司. Дата публикации: 2016-02-17.