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A1

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IPC

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Application

4887284/05, 1991-12-04

(22)

Actual filing date

1991-12-04

(45)

Published

1996-04-10

(72)

Inventor

Tsarfin M.Ja.Zhitinkina A.K.Petrov E.A.Denisov A.V.Vas'Kov G.G.

METHOD OF ISOCYANOURATE-CONTAINING FOAM PLASTIC PRODUCING Russian patent published in 1996 - IPC

Abstract SU 1826493 A1

FIELD: fireproof and thermoresistant foam plastics. SUBSTANCE: simple polyesters of different molecular mass were mixed with antipyrene, frothing agent of surface-active substance, polyisocyanate and catalytic mixture consisting of Lewis base and potassium dimethylaminopropionate taken at the ratio (0.25-7): 1, respectively. Composition is poured into the closed form and kept for 20 min. Prepared samples show apparent density 55.8-49.7 kg/m3, compression strength 292-394 kPa, stretching strength 204-350 kPa. EFFECT: improved method of foam plastic production. 2 tbl

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SU 1 826 493 A1

Authors

Tsarfin M.Ja.

Zhitinkina A.K.

Petrov E.A.

Denisov A.V.

Vas'Kov G.G.

Dates

1996-04-10—Published

1991-12-04—Filed

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