METHOD OF PREPARING POLYESTER URETHANE SOLUTION IN ETHYL ACETATE Russian patent published in 1995 - IPC

Abstract RU 2042691 C1

FIELD: glue production. SUBSTANCE: hydroxyl-containing component interacts with diisocyanate in the presence of tin tetrachloride pentahydrate at concentration 0.005-0.07% of polyester urethane solution mass in combination with tertiary amine taken at the mole ratio to the tin tetrachloride pentahydrate (6-12):1. Use of tertiary amine in combination with tin ensures to prepare transparent colorless polyester urethane solutions. EFFECT: improved method of polyester urethane solution preparing.

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RU 2 042 691 C1

Authors

Samigullin F.K.

Korzjuk Eh.L.

Novozhilova O.S.

Saenko B.V.

Dates

1995-08-27—Published

1993-06-22—Filed