Hetero nitrogen catalysts

Details Hetero nitrogen catalysts Hetero nitrogen catalysts

1980-12-15

1982-02-02

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

C08G 1814, C08G 1820

Patent

active

043140378

ABSTRACT:
In the production of cellular products by reaction of polyols with organic isocyanates, alkali metal salts of acidic azoles are employed as all or part of the tertiary amine catalyst for promoting the reaction. Alkali metal salts of tolyltriazole are designated in the preferred examples for production of polyurethane and polyisocyanurate foam products.

REFERENCES:
patent: 4101465 (1978-07-01), Lockwood et al.
patent: 4256841 (1981-03-01), Horacek et al.

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