Articles having low friction surfaces and production thereof

Details Articles having low friction surfaces and production thereof Articles having low friction surfaces and production thereof

1986-10-17

1989-03-07

Buffalow, Edith

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

1283481, 4273136, 428403, 4284231, 428420, 4284242, 428 368, 428 3691, 521 53, 521 55, 521176, 528 76, 528 36, 604 96, 604264, B32B 2700, B32B 704

Patent

active

048105430

ABSTRACT:
The coefficient of friction of surfaces of articles, wherein the surface comprises a hydrophilic polyurethane polymer, is reduced by treating the surface with a mixture of concentrated sulfuric acid and a low molecular weight organic polyhydroxy compound, and removing excess treating mixture. Typical low friction articles produced thereby are boat hulls having drag resistant coatings, conduits having low friction linings, and cannula or body implants having slippery surfaces.

REFERENCES:
patent: 3975350 (1976-08-01), Hudgin et al.
patent: 4156066 (1979-05-01), Gould
patent: 4156067 (1979-05-01), Gould
patent: 4459317 (1984-07-01), Lambert
patent: 4487808 (1984-12-01), Lambert
patent: 4589873 (1986-05-01), Schwartz
patent: 4642267 (1987-02-01), Creasy
patent: 4729914 (1988-03-01), Kliment et al.

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