SOLUBLE COPOLYIMIDE AS THERMOSTABLE FILM MATERIAL Russian patent published in 1995 - IPC

Abstract SU 1832695 A1

FIELD: chemistry of polymers. SUBSTANCE: invention ensures to synthesize the soluble copolyimide of the general formula where n: m 7.3-5.8, reduced viscosity is 2.0-2.2 dl/g as thermostable film material. Rupture temperature under loading 20 and 500 kg/ is 300 and 580 C, respectively. EFFECT: enhanced quality of material. 2 tbl

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SU 1 832 695 A1

Authors

Zhubanov B.A.

Solomin V.A.

Ljakh E.N.

Dates

1995-10-27—Published

1990-02-12—Filed