Process for preparing hydrophilic polymer films and apparatus thereof
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United States of America Patent
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Apr 4, 1995
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N/A
app pub date -
Sep 29, 1993
filing date -
Sep 27, 1990
priority date (Note) -
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Abstract
A process for preparing a hydrophilic polymer film comprising coating a photopolymerization solution which comprises a hydrophilic monomer of lower water swelling ability and a UV stabilizer, on the film surface pre-treated with high frequency, and photopolymerizing the solution so as to improve the hydrophilic property, climate-resistability, and blocking property of the polymer film.
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