Phosphonium carboxylate catalysts for the preparation of foams c

Details Phosphonium carboxylate catalysts for the preparation of foams c Phosphonium carboxylate catalysts for the preparation of foams c

1981-08-28

1985-06-25

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521168, 521902, C08G 1814

Patent

active

045254893

ABSTRACT:
Reaction products of certain tertiary phosphines, alkylene oxides, and carboxylic acids have been found to be effective catalysts for the preparation of rigid and flexible foams characterized by isocyanurate and/or urethane linkages.

REFERENCES:
patent: 2937207 (1960-05-01), Reuter et al.
patent: 3206552 (1965-09-01), Gollis et al.
patent: 3211704 (1965-10-01), Gilman et al.
patent: 3313747 (1967-04-01), Schramm
patent: 4066580 (1978-01-01), Falkenstein et al.
patent: 4148980 (1979-04-01), Narayan
patent: 4359541 (1982-11-01), Patton et al.
Reference Book of Inorganic Chemistry, Latimer & Hildebrand, p. 218.

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