Acrylic coated thermoplastic substrate
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United States of America Patent
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Nov 2, 1993
Grant Date -
N/A
app pub date -
Feb 16, 1990
filing date -
Feb 16, 1990
priority date (Note) -
Expired
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Abstract
An ultraviolet radiation curable silica coating composition containing (a) acrylic monomers, (b) functionalized colloidal silica, (c) acrylated urethanes, (d) an ultraviolet radiation absorber, and (e) a photoinitiator. The coating composition once applied to and cured on a thermoplastic substrate provides a coating which exhibits improved flexibility and weathering. The coatings are useful for providing abrasion resistance and weatherability to thermoplastic, for example polycarbonate, substrates.
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