Unsaturated polyester resin foams using inorganic iron salts

Details Unsaturated polyester resin foams using inorganic iron salts Unsaturated polyester resin foams using inorganic iron salts

1983-12-01

1984-07-17

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521124, 521137, 521138, C08J 902

Patent

active

044607148

ABSTRACT:
Low density polyester resin foams are prepared at ambient temperatures from an admixture of an unsaturated polyester resin, an organic isocyanate compound, a peroxide curing agent system, a surfactant, and an accelerator whereby the foaming efficiency of this admixture is improved by adding small amounts of an inorganic iron salt.

REFERENCES:
patent: 4216294 (1980-08-01), Halle et al.

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