Lubricious hydrogel coatings

Details Lubricious hydrogel coatings Lubricious hydrogel coatings

1990-11-01

1992-11-03

Thibodeau, Paul J.

Stock material or miscellaneous articles

Composite

Of polycarbonate

4284231, 4284233, 4284235, 4284237, 4284239, 4284248, 525123, B32B 2734, B32B 2736, B32B 2740

Patent

active

051607905

ABSTRACT:
A flexible, lubricious organic coating is formed by applying a mixture of an isocyanate, a polyol, polyvinylpyrrolidone (PVP), and carrier liquid to a surface to be coated. The carrier liquid is removed and the mixture reacted to form a lubricious, flexible coating, particularly suitable for use as a protective lubricious caoting on medical devices introduced into the body. The coating exhibits a significantly reduced coefficient of friction when exposed to water or aqueous solutions.

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