Radiation-curable coating compositions that form transparent, ab

Details Radiation-curable coating compositions that form transparent, ab Radiation-curable coating compositions that form transparent, ab

1993-05-03

1994-03-22

Berman, Susan

Stock material or miscellaneous articles

Composite

Of polycarbonate

428429, 428447, 428480, 428500, 522 83, 522 84, 522 31, 522 99, 522170, 528 25, 528 27, 351162, B32B 2736, B32B 904, C08G 7704, C08K 554

Patent

active

052962954

ABSTRACT:
Radiation-curable coating compositions which form transparent, abrasion-resistant tintable coatings upon curing by exposure to high intensity irradiation, such as ultraviolet light or electron beam irradiation. The coating composition comprises a combination of effective amounts of (a) colloidal silica, (b) the hydrolysis product of a silane compound having a polymerizable functional group such as acryloxy-functional silanes or glycidoxy-functional silanes or mixtures of both, (c) polyfunctional, polymerizable, non-acrylate-functional ethers, (d) at least one radiation sensitive initiator and, preferably, (e) a monofunctional monomer. When the surface of a substrate coated with the cured coating composition is immersed in a colored dye bath for a sufficient period of time, the coating absorbs or transmits to the substrate a desired amount of dye.

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