Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
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.
BASF Wyandotte Corporation
Foelak Morton
Hedden David L.
Michaels Joseph D.
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