Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1995-06-07
1996-08-27
Zitomer, Fred
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
525342, 525374, 526173, 526175, 526181, 526204, 526209, 526335, 526340, C08F 446, C08F 448, C08F 456
Patent
active
055502008
ABSTRACT:
A rubber composition, having good breaking properties, high tan.delta., good wear resistance and a method for preparing a copolymer used in the rubber composition. The copolymer is a butadiene-styrene copolymer prepared in the presence of an organopotassium compound, an oxolanyl alkane and an organolithium initiator compound. The copolymer may be modified. A vulcanite of the rubber composition including 20 parts or more of the copolymer of the present invention has good properties.
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Fujio Ryota
Shibata Tadashi
Bridgestone Corporation
Zitomer Fred
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