Process for producing plastic lens

Details Process for producing plastic lens Process for producing plastic lens

B - Operations, Transporting

29

D

B29D 11/00 (2006.01) B32B 27/08 (2006.01) C08G 18/80 (2006.01) C08J 7/04 (2006.01) G02B 1/10 (2006.01)

Patent

CA 2061602

A process for producing a plastic lens, which comprises; (1) applying a primer coating composition composed mainly from a blocked polyisocyanate and a polyol onto a surface of a plastic lens substrate and heating the primer coating composition to form a primer layer of a thermoset polyurethane, the blocked polyisocyanate being a polyisocyanate blocked with a .beta.-diketone, (2) forming a hard coating layer on the primer layer, and (3) vapor-depositing an inorganic material or inorganic materials on the hard coating layer to form a single-layered or multi-layered anti-reflection coating.

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