Composition based on polytetrafluoroethylene suited for obtainin

Details Composition based on polytetrafluoroethylene suited for obtainin Composition based on polytetrafluoroethylene suited for obtainin

1987-11-16

1990-01-09

Dixon, Jr., William R.

Compositions

Electrolytes for electrical devices

252 25, 252 28, 252 29, 252 497, 252 515A, 252 52A, 252 58, C10M10738, C10M12500

Patent

active

048926698

ABSTRACT:
A composition based on PTFE, in the form of a paste, obtained by mixing together a PTFE powder, with mineral fillers, selected from PbO, Pb powder, aluiminum silicates, graphite, MoS.sub.2, a resin of high adhesive properties, in particular an epxoy resin; solvents with good wetting properties for the solid ingredients and vaseline to impart to the paste the suitable degree of viscosity, said paste being applicable in a very thin layer to porous bronze bearings or supports, and suited for forming a self-lubricating layer, after a thermal treatment of the said PTFE on said bearings.

REFERENCES:
patent: 2964476 (1960-12-01), Coad
patent: 3518190 (1970-06-01), Groszek
patent: 3639237 (1972-02-01), Curtis
patent: 4201809 (1980-05-01), Ogawa et al.
patent: 4284519 (1981-08-01), Reick
patent: 4329238 (1982-05-01), Mitrojanova et al.
patent: 4396514 (1983-08-01), Randisi
patent: 4532054 (1985-06-01), Johnson
patent: 4715972 (1987-12-01), Pacholke

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