Hardcoat film and antireflection film
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United States of America Patent
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-
Dec 3, 2002
Grant Date -
N/A
app pub date -
Nov 15, 1999
filing date -
Nov 17, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
A hardcoat film is provided which can improve surface hardness and, at the same time, can prevent the hardcoat film per se from being damaged by stress concentration and is less likely to be scratched. The hardcoat film comprises: a transparent substrate; and a multi-layer hardcoat provided on at least one side of the transparent substrate, the multi-layer hardcoat layer comprising two or more hardcoats, the modulus of elasticity .sigma.m of a hardcoat provided closest to the transparent substrate being higher than the modulus of elasticity .sigma.s of a hardcoat provided as a surface layer.
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