ADHESIVE FILM FOR SURFACE PROTECTIVE FILM, AND OPTICAL MEMBER COMPRISING SAME
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United States of America Patent
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Issued Date -
Dec 21, 2023
app pub date -
Nov 22, 2021
filing date -
Nov 23, 2020
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Abstract
Provided are: an adhesive film for a surface protective film, formed from a composition comprising a urethane-based binder and an isocyanate-based curing agent; and an optical member comprising same, wherein the adhesive film has a release force increase rate, of formula 1, of 180% or less, an initial release force of 1-12 gf/inch, a nitrogen amount of 0.5-1.5 wt % and a modulus, at 25° C., of 0.05-0.8 MPa.
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