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IPC

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Application

3825493/05, 1984-12-14

(22)

Actual filing date

1984-12-14

(45)

Published

1994-08-30

(72)

Inventor

Tukums P.S.Stirna U.K.Silis U.K.Alksnis A.F.Misane M.M.Kravalis G.A.Zholoidz' S.A.

COMPOSITION FOR PREPARING ISOCYANURATE URETHAN FOAM PLASTICS Russian patent published in 1994 - IPC

Abstract SU 1281568 A1

FIELD: thermoinsulating materials. SUBSTANCE: the invention makes it possible to reduce the friability of foam plastics up to 21-31% and to improve catalytic activity of the composition ( the start time is 3-11 s, the foaming time is 9-21 s) with the strength properties of foam plastics retained by adding a hydroxy containing compound such as a reaction product of tall oil, triethanol amine and potassium hydroxide having a hydroxy number of 300-950 mg KOH/g and potassium content of 0.5-5.2 wt % to the composition comprising polyisocyanate, trichloroalkyl phosphate or freon-113. EFFECT: improved properties of the composition. 2 tbl

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SU 1 281 568 A1

Authors

Tukums P.S.

Stirna U.K.

Silis U.K.

Alksnis A.F.

Misane M.M.

Kravalis G.A.

Zholoidz' S.A.

Dates

1994-08-30—Published

1984-12-14—Filed

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