Foamable polymeric styrene particles

Details Foamable polymeric styrene particles Foamable polymeric styrene particles

1983-04-08

1983-11-22

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 88, 521 98, 521907, 524373, 524467, C08J 920

Patent

active

044170033

ABSTRACT:
An expandable polymeric styrene particle is provided from which molded foamed articles can be produced exhibiting reduced flammability characteristics. The expandable polymeric styrene particle contains a blowing agent, a minor amount of bis(allyl ether) of tetrabromobisphenol A and a minor amount of dibromoethyldibromocyclohexane. The additives can be incorporated during impregnation with the blowing agent or by blending with the expandable particles after impregnation.

REFERENCES:
patent: 3004935 (1961-10-01), Roley, Jr. et al.
patent: 3058926 (1962-10-01), Eichhorn
patent: 3058929 (1962-10-01), Vanderhoff et al.
patent: 3188295 (1965-06-01), Ballast et al.
patent: 3639302 (1972-02-01), Brown et al.

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