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2 028 323

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C1

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IPC

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Application

4689543/05, 1989-05-10

(22)

Actual filing date

1989-05-10

(45)

Published

1995-02-09

(72)

Inventor

Artem'Eva V.N.Kukarkin E.N.Kukarkina N.V.Kudrjavtsev V.V.Koton M.M.Korzhavin L.N.

(73)

Holder

Institut Vysokomolekuljarnykh Soedinenij Ran

METHOD FOR PRODUCTION OF FLEXIBLE AND INCOMBUSTIBLE POLYAMIDE FOAMS Russian patent published in 1995 - IPC

Abstract RU 2028323 C1

FIELD: chemistry of high-molecular compounds. SUBSTANCE: method for production of flexible and incombustible polyamide foams includes reaction of aromatic tetracarboxylic acid or its dianhydrate with aqueous solution of aliphatic alcohol when heating up to boiling with addition at room temperature of heterocyclic, aromatic and oliphatic diamine and heat-resistant cationic fluoro-containing surfactant with molecular mass of 625-670, taken from group specified in invention description in the amount of 4.0-10.0% of mass of reacting substances, drying of reaction products, their grinding and heat treatment. EFFECT: higher efficiency. 1 tbl

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RU 2 028 323 C1

Authors

Artem'Eva V.N.

Kukarkin E.N.

Kukarkina N.V.

Kudrjavtsev V.V.

Koton M.M.

Korzhavin L.N.

Dates

1995-02-09—Published

1989-05-10—Filed

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