N,N,N',N'-Tetramethyl-.alpha..omega.-polymethlenediamines as cat

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...

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521127, 521129, C08G 1818

Patent

active

042129524

ABSTRACT:
A process for preparation of a urethane foam which comprises reacting an aromatic polyisocyanate with a polyol in the presence of a blowing agent and a catalytic amount of a compound of the formula

REFERENCES:
patent: 4033911 (1977-07-01), Sandner et al.
Kato, Chemical Abstract 70, 69085U 1969.
de Aquirre, Chemical Abstract 63, 9768a, 1965.

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