Coating composition and optical article

Details Coating composition and optical article Coating composition and optical article

2003-12-04

2008-10-28

Yoon, Tae H (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C523S105000, C359S355000

Reexamination Certificate

active

07442734

ABSTRACT:
There is provided a coating composition which can be applied to a substrate such as a plastic lens so as to form a photochromic coating layer having good photochromic properties and excellent adhesion to the substrate on the surface of the substrate.This composition comprises, for example, as monomer components, 0.1 to 20 wt % of monomer having a group which produces a silanol group through hydrolysis such as γ-methacryloyloxypropyltrimethoxysilane and 0.1 to 50 wt % of monomer having at least one oxycarbonyl group in a molecule. The composition can further contain a maleimide compound as a monomer component and further desirably contains an amine compound.

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