Radiation curable hardcoat compositions
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United States of America Patent
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Jan 13, 1998
Grant Date -
N/A
app pub date -
Aug 8, 1996
filing date -
Jun 25, 1992
priority date (Note) -
Expired
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Abstract
A radiation (UV or E-beam) curable hardcoat composition formed of a mixture of colloidal silica and hydrolyzed silica acrylate, an acrylic monomer and a photoinitiator is disclosed. Additives including a hindered amine light stabilizer, a fluoroacrylate and alkyl acrylate are employed to improve cure, clarity and hardness. A diphenyl (2,4,6-trimethyl(benzoyl) phosphine oxide UV initiator causes effective out of focus curing.
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