Polyphenylene sulphide applications

Details Polyphenylene sulphide applications Polyphenylene sulphide applications

1975-08-25

1978-04-25

Esposito, Michael F.

Coating processes

Solid particles or fibers applied

Fluidized bed utilized

252 12, 260823, 427195, 427201, 427314, 427318, 427375, 428419, 428457, B05D 124, B05D 302

Patent

active

040863760

ABSTRACT:
A method of applying a bearing lining at least 0.005 inch thick of polyarylene sulphide to a bearing backing, which comprises applying to said backing a powder composition consisting of at least 80% by weight of uncured polyarylene sulphide together with at least 10% by weight of precured polyarylene sulphide, said precured polyarylene sulphide having been cured by being heated in air for 2 hours at at least 400.degree. C and is in the form of particles with sizes in the range 53-211 microns, and then heating and curing the uncured polyarylene sulphide of the coating by heating to a temperature of at least 380.degree. C. To produce the cured powder, uncured powder is mixed with salt and then cured; the salt prevents the powder from coalescing, and is subsequently dissolved out.

REFERENCES:
patent: 2997776 (1961-08-01), Matter et al.
patent: 3090696 (1963-05-01), Gemmer
patent: 3140195 (1964-07-01), Nagel
patent: 3285850 (1966-11-01), Graham
patent: 3555108 (1971-01-01), Bilow et al.
patent: 3592783 (1971-07-01), Edmonds
patent: 3730893 (1973-05-01), Bilow et al.
patent: 3801379 (1974-04-01), Blackwell
patent: 3878113 (1975-04-01), Campbell et al.
patent: 3882030 (1975-05-01), Campbell et al.
patent: 3979543 (1976-09-01), Higbee

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