Scratch resistant optical films and methods for producing same
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United States of America Patent
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Feb 10, 1998
Grant Date -
N/A
app pub date -
Jan 15, 1997
filing date -
Feb 3, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A film that exhibits increased scratch resistant characteristics. The film is formed from a layer of crosslinkable oligomeric resin composition on a base. The film is made by: forming the layer of crosslinkable oligomeric resin composition on the base, and curing the resin composition to an extent that the film exhibits a haze decrease of less than or equal to 60 percent after abrading according to the ASTM D-968-81 procedure using 200 milliliters of sand. Preferably, the layer has a microstructure of alternating tips and grooves. Such films are useful in backlit displays which are useful in computers and the like.
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