Flexible urethane foams having a low density and a method for pr

Details Flexible urethane foams having a low density and a method for pr Flexible urethane foams having a low density and a method for pr

1978-10-24

1980-10-07

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521128, C08G 1814

Patent

active

042269474

ABSTRACT:
Flexible urethane foams having a low density and capable of preventing spontaneous combustion during production and storage are produced by compounding 5.0-12.0 parts by weight based on 100 parts by weight of polyhydroxylcompounds, of water and not less than 0.1 part by weight of aromatic amine antioxidant, further preferably not less than 0.01 part by weight of phosphorous acid triesters in the usual combination of polyhydroxyl compounds, polyisocyanates, water, catalysts, surfactants, foaming agent and other additives.

REFERENCES:
patent: 4010211 (1977-03-01), Preston et al.
patent: 4052345 (1977-10-01), Austin et al.

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