Method of hydrophilic coating of plastics

Details Method of hydrophilic coating of plastics Method of hydrophilic coating of plastics

1984-08-23

1989-01-31

Kight, John

Coating processes

With post-treatment of coating or coating material

Chemical agent applied to treat coating

427 2, 427340, 4274072, 4274071, 427399, B05D 304, B05D 312

Patent

active

048014753

ABSTRACT:
Plastics, particularly a method hydrophilic coating of plastics, for example, a contact lens, with a lubricating and visually acute mucopolysaccharide film which is immobilized upon the surface of the plastic for the lifetime of the plastic. A preferred method includes first coating the plastic with an aqueous solution of a mucopolysaccharide, drying by applying a water-miscible solvent, then crosslinking and permanently immobilizing the first coating upon the plastic by applying a solution of catalyzed organic soluble aliphatic polyisocyanate.

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