Coatings useful for absorbing ultraviolet light

Details Coatings useful for absorbing ultraviolet light Coatings useful for absorbing ultraviolet light

1996-06-21

1999-02-09

Chen, Vivian

Stock material or miscellaneous articles

Composite

Of polycarbonate

428331, 428447, 428451, 428522, 524323, 524330, 524333, 524335, 524337, 524343, 524344, 524345, 524346, 524348, B32B 2708, B32B 2718, B32B 2730, B32B 2736

Patent

active

058691855

ABSTRACT:
A polycarbonate substrate coated with an acrylic coating containing at least one polybenzoylresorcinol, and optionally a silicone hardcoat on the acrylic coating, wherein said at least one polybenzoylresorcinol has the formula ##STR1## wherein each A is independently a substituted or unsubstituted monocyclic aromatic radical wherein any substituents are hydrogen, halogen, alkoxy, C.sub.1-8 alkyl, or hydroxy, and R is hydrogen or a linear or branched aliphatic radical having less that about 10 carbon atoms.

REFERENCES:
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patent: 4486565 (1984-12-01), Benjamin
patent: 4495360 (1985-01-01), Anthony
patent: 5041313 (1991-08-01), Patel
patent: 5391795 (1995-02-01), Pickett

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