Antifriction polymer material

Details Antifriction polymer material Antifriction polymer material

1976-02-25

1977-12-20

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08L 6502

Patent

active

040640973

ABSTRACT:
An antifriction polymer material which is a product of hardening of a composition consisting of a filler in amounts of 10-95 wt.% and a binder in amounts of 5-90 wt.%, a mixture of polyphenylenes being used as a binder containing ketal and/or acetyl groups of the general formula ##STR1## R.sub.3 and R.sub.4 being identical or different, the fraction with n =2-15 amounting to 4-20% of the binder weight.
The proposed antifriction polymer material possesses high heat and thermal resistance of about 350.degree.C and 450.degree.C, respectively, which ensures a stable friction coefficient and a high wear resistance of the material at temperatures of up to 320.degree. C.

REFERENCES:
patent: 3708455 (1973-01-01), Nakanishi et al.
patent: 3878113 (1975-04-01), Campbell et al.
patent: 3882030 (1975-05-01), Campbell et al.
patent: 3971748 (1976-07-01), Wang et al.

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