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

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

1978-12-21

1980-07-15

Welsh, Maurice J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

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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