Low friction bearing material and method

Details Low friction bearing material and method Low friction bearing material and method

1975-01-20

1976-11-30

Gantz, Delbert E.

Compositions

Electrolytes for electrical devices

252 12, 252 122, 252 124, C10M 500

Patent

active

039948145

ABSTRACT:
A low friction bearing composition comprising a major portion of a thermoplastic resin other than polytetrafluoroethylene and a minor portion of a filled polytetrafluoroethylene material, said filled polytetrafluoroethylene material consisting essentially of at least 50% by volume of polytetrafluoroethylene polymer and the remainder being a filler material, said filler material comprising a first filler material and a second, different filler material, said first filler material being selected from the group of soft metals and soft metallic oxides or sulfides having lubricating properties such as lead and its oxides, cadmium and its oxides, titanium oxide, zinc oxide, molybdenum disulfide, and antimony and its oxides and trioxides, said second filler material being selected from a group of hard filler materials such as bronze, copper alloy, glass and ceramic. The composition is readily formed by injection molding and hot extrusion methods and exhibits wear resistance at room temperatures substantially equal to polytetrafluoroethylene compositions which are fabricated by cold forming and sintering techniques.

REFERENCES:
patent: 3879301 (1975-04-01), Cairns

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