Blowing catalyst composition for low density flexible polyuretha

Details Blowing catalyst composition for low density flexible polyuretha Blowing catalyst composition for low density flexible polyuretha

1978-10-30

1980-09-16

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

252431C, 260 18TN, 521124, 521125, 521126, 521127, 521131, C08G 1824

Patent

active

042230985

ABSTRACT:
Low density flexible polyurethane foams can be prepared using water and relatively large amounts of methylene chloride as the foaming agents in the presence of an organic or inorganic tin compound as the gel catalyst and a foaming catalyst consisting essentially of catalytically effective amounts of an antimony carboxylate, a potassium carboxylate and a zinc carboxylate.

REFERENCES:
patent: 3620985 (1971-11-01), Larkin et al.
patent: 3940517 (1976-02-01), De Leon

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