Phenolic friction particles

Details Phenolic friction particles Phenolic friction particles

1982-07-13

1983-12-13

Lieberman, Allan

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

523156, 523157, 524 55, 528137, 528147, 528155, C08J 514, C08L 500, C08L 6106

Patent

active

044205716

ABSTRACT:
Compositions useful as friction particles comprised of tri- and/or tetrafunctional phenol, difunctional phenol, aldehyde, a protective colloid, and a reaction promoting compound. The friction particles are formulated into friction elements. A process for producing the friction particles in particulate form.

REFERENCES:
patent: 3864304 (1975-02-01), Grazen et al.
patent: 4014828 (1977-03-01), Thorpe
patent: 4014850 (1977-03-01), Thorpe
patent: 4101500 (1978-07-01), Brodsky
patent: 4206095 (1980-06-01), Wynstra et al.

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