Catalyst mixture for use in trimerizing and/or polymerizing isoc

Details Catalyst mixture for use in trimerizing and/or polymerizing isoc Catalyst mixture for use in trimerizing and/or polymerizing isoc

1976-03-03

1978-03-21

Welsh, M. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25AB, 260 75NB, 260 75NC, 260 775AB, 260248, 544180, C08G 1818

Patent

active

040803457

ABSTRACT:
Catalyst mixture for use in trimerizing and/or polymerizing isocyanates and/or for the polyaddition of active hydrogen atom containing polyethers and polyisocyanates comprising an amine as conventionally used in polyurethane chemistry in combination with an alkali metal salt of an inorganic acid and the trimerization and/or polymerization and/or polyaddition reaction utilizing such catalyst mixture.

REFERENCES:
patent: 2926147 (1960-02-01), Rappaport et al.
patent: 3112320 (1963-11-01), Farkas
patent: 3205201 (1965-09-01), Friedrich et al.
patent: 3939106 (1976-02-01), Dunleavy et al.
patent: 3946038 (1976-03-01), Mao et al.

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