US Patent 7393897 Method for manufacturing olefinic thermoplastic elastomer composition

Patent 7393897 was granted and assigned to Mitsui Chemicals on July, 2008 by the United States Patent and Trademark Office.

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Patent Inventor Names

Yuichi Ito0

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Patent abstract

The method for manufacturing a thermoplastic elastomer composition of the present invention comprises continuously feeding a mixture comprising pelletized olefinic resin (A), a pulverized product (B) obtained by pulverizing bulk olefinic rubber, and a crosslinking agent (C) into a continuous kneading machine, and performing a dynamic heat treatment to yield the thermoplastic elastomer composition. An olefinic thermoplastic elastomer composition having excellent tensile characteristics and molded appearance can be manufactured with high productivity by the method of the present invention.

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