Method of applying a hydrophilic coating to a polymeric substrat

Details Method of applying a hydrophilic coating to a polymeric substrat Method of applying a hydrophilic coating to a polymeric substrat

1984-05-29

1986-05-20

Niebling, John F.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

2167, 2168, 427 2, 427230, 427307, 427353, 4273935, 428 36, 4284111, 4284231, 428451, A61M 2500, A41D 1900

Patent

active

045898731

ABSTRACT:
A method to impart increased lubricity to the surface of a polymeric substrate includes contacting the substrate with a solution of a hydrophilic polymer in a solvent and heating the substrate to evaporate the solvent. The substrate retains a coating of the hydrophilic polymer, which, when dry, has about the same lubricity as the uncoated substrate. When wet, the coating becomes significantly more lubricious than when dry. The invention includes articles which have a lubricious surface when wet prepared by the method of the invention.

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