Polymer composition, its heat-resistant, shape memory formed product and method of producing same

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United States of America Patent

PATENT NO 4945127
SERIAL NO

07289100

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Abstract

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A heat-resistant formed product produced from a polymer composition comprising 40-70 weight % of a thermoplastic elastomer containing a repeating unit derived from ethylene and a repeating unit derived from propylene and 60-30 weight % of an ethylene-vinyl acetate copolymer containing 7.5 weight % or more of a vinyl acetate repeating unit, by blending the polymer composition at a temperature of 160.degree. C. or less, molding it at a temperature of 180.degree. C. or less, and then cross-linking the resulting molded product by irradiating electron beam or heating. The formed product also has good shape memory characteristics.

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Patent Owner(s)

Patent OwnerAddress
TONEN SEKIYUKAGAKU KABUSHIKI KAISHATOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kagawa, Seiji Yokohama, JP 120 738
Nomura, Shinichiro Yokohama, JP 19 218
Toda, Hideaki Yokohama, JP 4 84

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