Method for producing stretched film

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United States of America Patent

PATENT NO 10273337
APP PUB NO 20160137794A1
SERIAL NO

14899789

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Abstract

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The present invention is a method for producing a stretched film comprising stretching an unstretched film that is formed using a hydrogenated dicyclopentadiene ring-opening polymer at a temperature of 95 to 135° C. and a stretching ratio of 1.2 to 10, followed by heating at a temperature of 150 to 220° C. Since the thus-obtained stretched film has excellent transparency and low coefficient of linear expansion, the stretched film is suitable for not only use in optical applications but also use for electronic materials.

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Patent Owner(s)

Patent OwnerAddress
ZEON CORPORATIONTOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ikeda, Shintarou Tokyo, JP 4 11
Yamada, Satoshi Tokyo, JP 285 3712

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