POLYMER COMPOSITION FOR ANTIFRICTION MATERIAL AND METHOD FOR PRODUCTION OF ANTIFRICTION MATERIAL Russian patent published in 1997 - IPC

Abstract RU 2093529 C1

FIELD: compositions which are used in details of friction units operating at temperature higher 300 C and at load higher 20 MPa at dry friction conditions. SUBSTANCE: antifriction polymer composition comprises oligoimide having tail amide groups as binder; graphite together with yttrium oxide is used as filler. Said composition comprises, mas.%: oligoimide having tail imide groups, 70-40 %; artificial graphite, 29-58 %; yttrium oxide, 1-2 %. Method for production of proposed material is simplified by heat treatment of binder being preliminary converted into powder state. Heat treatment of the binder takes place at 180-200 C till oligoimide with tail imide groups is prepared. EFFECT: increased resistance of desired material to affection of high dynamic loads, simplified the method. 4 cl, 2 tbl

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RU 2 093 529 C1

Authors

Shumaeva L.B.

Doroshenko Ju.E.

Sajkina Z.F.

Susova L.L.

Moskvin A.S.

Dates

1997-10-20Published

1993-06-07Filed