SYNTHETIC POLYISOPRENE COPOLYMER AND PRODUCING METHOD THEREFOR

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United States of America Patent

APP PUB NO 20210079148A1
SERIAL NO

16954382

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Abstract

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A synthetic polyisoprene copolymer is manufactured by stirring a synthetic polyisoprene rubber latex under the heating condition of 50° C. or higher, purifying the latex by centrifugation, adding a vinyl monomer to the purified synthetic polyisoprene rubber latex obtained and graft-copolymerizing the vinyl monomer. The synthetic polyisoprene copolymer is a copolymer in which a vinyl monomer is graft-copolymerized on the surface of synthetic polyisoprene particles, and which has a nanomatirx structure in which the synthetic polyisoprene rubber particles are dispersed in a continuous phase having a thickness of from 1 to 100 nm formed by graft chains in a phase-separated state.

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Patent Owner(s)

Patent OwnerAddress
TOYO TIRE CORPORATIONITAMI-SHI HYOGO 6640847

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kawahara, Seiichi Nagaoka-shi, JP 8 37
Nakamura, Norihiko Itami-shi, JP 153 1395

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