Method of preparing a shaped article having a photochromic coati

Details Method of preparing a shaped article having a photochromic coati Method of preparing a shaped article having a photochromic coati

1998-12-11

2000-05-30

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Composite or multiple layer

264255, 525934, B29D 1100

Patent

active

060687975

ABSTRACT:
A method of preparing a shaped article having a photochromic coating thereon, and curable photochromic powder coating compositions are described. The method includes: applying at least one curable powder coating composition to at least a portion of the interior of a mold, e.g., a lens mold, wherein at least one of the applied powder coating compositions includes a photochromic amount of photochromic material; curing at least partially the applied photochromic powder coating; charging a polymerizable organic casting composition into the mold; polymerizing the casting composition; and removing a shaped article having a photochromic coating on at least a portion of its surface from the mold.

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