Method of producing conjugated diene-aromatic vinyl hydrocarbon copolymers
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United States of America Patent
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Aug 27, 1996
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app pub date -
Jun 7, 1995
filing date -
Dec 24, 1992
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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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