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1 809 612

(13)

A1

(51)

IPC

(21) (22)

Application

4851765/05, 1990-07-13

(22)

Actual filing date

1990-07-13

(45)

Published

1996-09-10

(72)

Inventor

Lavrov S.V.Kuznetsov A.A.Berendjaev V.I.Kotov B.V.Kotina N.B.Jakushkina V.V.Tsegel'Skaja A.Ju.

METHOD OF POLYIMIDE SYNTHESIS Russian patent published in 1996 - IPC

Abstract SU 1809612 A1

FIELD: chemical technology. SUBSTANCE: method involves carrying out of one-stage high-temperature diamine and tetracarboxylic acid anhydride polycondensation at 110-180 C in the melt of aromatic carboxylic acid or their mixtures. Product is used as thermostable material exhibiting good physico-mechanical properties. EFFECT: improved method of synthesis.

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SU 1 809 612 A1

Authors

Lavrov S.V.

Kuznetsov A.A.

Berendjaev V.I.

Kotov B.V.

Kotina N.B.

Jakushkina V.V.

Tsegel'Skaja A.Ju.

Dates

1996-09-10—Published

1990-07-13—Filed

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