Antifogging plastic lens material

Details Antifogging plastic lens material Antifogging plastic lens material

1993-12-03

1995-12-19

Bell, Janyce

Coating processes

Optical element produced

Transparent base

4272481, 4273925, 4274125, 427420, 427428, B05D 506

Patent

active

054766826

ABSTRACT:
An antifogging plastic material is disclosed that is particularly suitable for use as a disposable fog-resistant lens. The lens material comprises a substantially transparent polyester substrate; a layer of polyvinylidene chloride-containing polymer on the polyester substrate; a water permeable colloid layer on the polyvinylidene chloride-containing layer; and a polyvinyl alcohol-containing layer on the water permeable colloid layer.

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