Method of forming a tintable abrasion-resistant coating on a sub

Details Method of forming a tintable abrasion-resistant coating on a sub Method of forming a tintable abrasion-resistant coating on a sub

1983-08-04

1985-10-29

Newsome, John H.

Stock material or miscellaneous articles

Surface property or characteristic of web, sheet or block

427 44, 427 541, 427164, 428412, B05D 306

Patent

active

045500592

ABSTRACT:
A tintable abrasion-resistant coating is formed on a substrate such as a lens or other optical article by applying a radiation-curable coating to the surface of the substrate and partially curing the applied coating by exposure to radiation so as to produce from about 20% to about 80% cross-linking in the coating. The exposure to radiation is terminated when the coating is partially cured to provide a coated article which is tintable but capable of being handled for shipping to a retail finisher or the like for tinting and then completion of the cure by exposure to radiation. Preferably, a radiation-curable coating comprising a triacrylate or tetracrylate monomer and a monomer containing an N-vinyl imido group is applied to a substrate comprising polycarbonate, polyallyldiglycolcarbonate, or acrylic polymer.

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patent: 4355135 (1982-10-01), January

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