Process for the preparation of foams characterized by isocyanura

Details Process for the preparation of foams characterized by isocyanura Process for the preparation of foams characterized by isocyanura

1981-11-02

1982-09-14

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521129, 521902, C08J 914, C08G 1814, C08G 1822

Patent

active

043496385

ABSTRACT:
The subject invention relates to the use of alkali metal ammonium carboxylates as catalysts in the preparation of rigid and flexible foams characterized by isocyanurate and/or urethane linkages. Alkali metal ammonium carboxylates are the reaction products of a tertiary amine and an alkali metal acid salt of a polycarboxylic acid.

REFERENCES:
patent: 4026836 (1977-05-01), Zimmerman et al.
patent: 4136240 (1979-01-01), Zimmerman et al.
patent: 4169921 (1979-10-01), Moss et al.
patent: 4256846 (1981-03-01), Ohashi et al.

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