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2 071 485

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C1

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IPC

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Application

93038463/04, 1993-07-27

(22)

Actual filing date

1993-07-27

(45)

Published

1997-01-10

(72)

Inventor

Krivosheev N.A.Marchenko A.V.Parfenov N.N.Bezrukova V.P.Goleeva D.A.Tverdokhlebov V.P.

(73)

Holder

Ljuberetskoe Nauchno-Proizvodstvennoe Ob"Edinenie

METHOD FOR PRODUCTION OF MODIFIED EPOXY RESINS Russian patent published in 1997 - IPC

Abstract RU 2071485 C1

FIELD: production of composite materials. SUBSTANCE: modified epoxy resins are prepared by interaction of epoxy diane resin with butadiene acrylonitrile caoutchouc by heating, the process takes place in the presence of activating agent. Product of condensation of diacetylferrocene with epichlorhydrin is used as mentioned above activating agent, its quantity being 1.25-5.0 % of mass of epoxy resin. Said interaction is carried out at 25-70 C, mass ratio of resin and caoutchouc being (1-4):1 respectively. EFFECT: simplifies the method.

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RU 2 071 485 C1

Authors

Krivosheev N.A.

Marchenko A.V.

Parfenov N.N.

Bezrukova V.P.

Goleeva D.A.

Tverdokhlebov V.P.

Dates

1997-01-10—Published

1993-07-27—Filed

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