LIQUID HARDENER FOR POLYURETHANE SYSTEMS Russian patent published in 1995 - IPC

Abstract RU 2043369 C1

FIELD: production of polyurethane articles. SUBSTANCE: proposed hardener contains 3,3,3′-dichlor-4,4,4′-diaminodiphenyl methane, mixture of polyethylene glycol adipinate having molecular weight 800 with polyoxytetramethylene glycol having molecular weight 1000 at ratio 1:1. Hardening of polyurethane systems is carried out at 80± 5^qC within 24 h and at 110± 5^°C within 12 h. EFFECT: improves quality

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RU 2 043 369 C1

Authors

Tereshatov V.V.

Susorov I.A.

Alikin V.N.

Kuz'Mitskij G.Eh.

Dates

1995-09-10—Published

1992-12-02—Filed