COMPOSITION FOR COATING Russian patent published in 1997 - IPC

Abstract RU 2071492 C1

FIELD: production of heat resistant antifriction coatings. SUBSTANCE: proposed composition contains (%): 50-65 % aqueous suspension of polytetrafluoroethylene 25.5-45.6, 50 % aqueous suspension of copolymer of tetrafluoroethylene and hexafluoropropylene 7.0-15.4, salt of amidoacid 2.4-4.5, filler 3.5-4.5, organic solvents 4.0-8.0, oxyethylated alkyl phenol 3.0-4.0, polyvinylpyrrolidone (its molecular weight being $$$) 1.0-2.0 and water. Initially suspension of fluoroplasts and salt of polyamidoacid are mixed at room temperature. Then filler, polyvinylpyrrolidone, oxyethylated alkyl phenol, solvent and water are added. EFFECT: improves quality of desired coating. 2 tbl

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RU 2 071 492 C1

Authors

Andrejchikova G.E.

Andrejchikov Ju.P.

Nebaba A.N.

Birjulev A.V.

Kuznetsov A.P.

Dates

1997-01-10Published

1994-02-09Filed