Metallic quaternary ammonium carboxylates as polyisocyanurate ca

Details Metallic quaternary ammonium carboxylates as polyisocyanurate ca Metallic quaternary ammonium carboxylates as polyisocyanurate ca

1978-03-13

1979-01-23

Ivy, C. Warren

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

Synthetic resins

Cellular products or processes of preparing a cellular...

260465D, 2604654, 26050115, 521118, 521902, 528 49, C08G 1822, C08G 1814

Patent

active

041362403

ABSTRACT:
Covers the use of metallic quaternary ammonium carboxylate salts as polyisocyanurate catalysts. Said catalysts are useful in promoting the reaction between a polyol and an aromatic polyisocyanate to prepare a polymer containing recurring isocyanurate and urethane linkages.

REFERENCES:
patent: 2779689 (1957-01-01), Reis
patent: 2981700 (1961-04-01), Parker
patent: 3010963 (1961-11-01), Erner
patent: 3108975 (1963-10-01), Lambert
patent: 3726816 (1973-04-01), Fabris
patent: 3954684 (1976-05-01), Farrissey
patent: 3980594 (1976-09-01), Fabris
patent: 4040992 (1977-08-01), Bechara

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