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1 824 885

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A1

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(21) (22)

Application

4866736/05, 1990-07-10

(22)

Actual filing date

1990-07-10

(45)

Published

1996-08-27

(72)

Inventor

Artem'Eva V.N.Chupans P.I.Kukarkina N.V.Kudrjavtsev V.V.Stroganova S.D.Zakharov S.K.Kukarkin E.N.Mal'Kov Ju.E.Generalov I.M.Vel'Ts A.A.

METHOD OF SYNTHESIS OF ELASTIC AND FIRE-RESISTANT FOAM POLYIMIDES Russian patent published in 1996 - IPC

Abstract SU 1824885 A1

FIELD: foam polyimides. SUBSTANCE: method involves interaction of tetracarboxylic acid or its dianhydride with lower aliphatic alcohol aqueous solution at heating, addition of aromatic diamine and surface-active substance at room temperature followed by thermic working and frothing ground product reaction. Product is used for internal finishing in transport facilities. EFFECT: improved method of synthesis. 1 tbl

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SU 1 824 885 A1

Authors

Artem'Eva V.N.

Chupans P.I.

Kukarkina N.V.

Kudrjavtsev V.V.

Stroganova S.D.

Zakharov S.K.

Kukarkin E.N.

Mal'Kov Ju.E.

Generalov I.M.

Vel'Ts A.A.

Dates

1996-08-27—Published

1990-07-10—Filed

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