COMPOSITION FOR TREATING SOLID SURFACE Russian patent published in 1997 - IPC

Abstract RU 2086612 C1

FIELD: chemical industry. SUBSTANCE: composition comprises, %: mixture of perfluoropolyestercarboxylic acids, 0.01-7; and solvent, up to 100. The solvent is cyclic saturated perfluorohydrocarbon. Mixture of acids consists of 30% perfluoropolyestercarboxylic acids with molecular weight of 1500-3550 and 70% perfluoropolyethercarboxylic acids with molecular weight of 3550-8300. EFFECT: improved properties. 4 tbl

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RU 2 086 612 C1

Authors

Ryleeva N.A.

Sapgir E.V.

Dates

1997-08-10—Published

1995-10-19—Filed