Catalysis of organic isocyanate reactions

Details Catalysis of organic isocyanate reactions Catalysis of organic isocyanate reactions

1975-07-29

1977-08-09

Rzucidlo, Eugene C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25AC, 260 775AC, 260 775NC, 544180, C08G 1818

Patent

active

040409929

ABSTRACT:
Polymerization and condensation reactions of organic isocyanates are catalytically promoted by the use of N-hydroxyalkyl quaternary ammonium carbonylate salts, particularly in the production of polyisocyanurates and polyurethanes. Among the exemplary preferred catalysts are N-hydroxypropyl trimethyl ammonium salts of carboxylic acids such as those of formic and acetic acids and of fatty acids such as hexanoic and octanoic acids and the like.

REFERENCES:
patent: B490946 (1976-02-01), Bechara et al.
patent: B497194 (1976-02-01), Bechara et al.
patent: 2842506 (1958-07-01), Roussel
patent: 2932621 (1960-04-01), Terry
patent: 3010963 (1961-11-01), Erner
patent: 3892687 (1975-07-01), Bechara et al.

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