Mold release film and production method for same

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United States of America Patent

PATENT NO 9849653
SERIAL NO

14652311

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Abstract

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The present invention provides a mold release film including a resin layer provided on one surface of a polyester film, wherein the resin layer includes 100 parts by mass of a polypropylene-based modified polyolefin resin with the proportion of a modifying component of 1 to 10% by mass and 1 to 50 parts by mass of a cross-linking agent; the peel strength between the resin layer and a pressure-sensitive adhesive measured by bonding a rubber-based pressure-sensitive adhesive to the resin layer exceeds 3.0 N/cm; and the residual adhesion rate of a pressure-sensitive adhesive after bonding an acrylic pressure-sensitive adhesive to the resin layer is 80% or more.

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Patent Owner(s)

  • UNITIKA LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Araki, Goro Kyoto, JP 5 7
Okumura, Nobuyasu Kyoto, JP 6 20
Ueno, Yoshimi Kyoto, JP 2 3

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