STRETCHED RESIN FILM, METHOD FOR PRODUCING THE SAME, AND LAMINATE USING STRETCHED RESIN FILM
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United States of America Patent
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Sep 24, 2015
app pub date -
Sep 27, 2013
filing date -
Sep 28, 2012
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Abstract
A stretched resin film having a water absorbing layer on at least one surface thereof, wherein the water absorbing layer containing from 24 to 64% by mass of a thermoplastic resin, from 35 to 75% by mass of inorganic fine powder, and from 1 to 2% by mass of a hydrophilizing agent for the inorganic fine powder, and wherein the water absorbing layer having a liquid absorption capacity of 0.5 mL/m2 or more and a liquid absorption coefficient of from 0.1 to 2 mL/ (m2·ms1/2) calculated by the same method, is a film substrate which, when the surface of the film substrate is coated with a coating material, absorbs a part of the coating material without forming bubbles to provide a uniform coating appearance.
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