Foamable polymeric styrene particles

Details Foamable polymeric styrene particles Foamable polymeric styrene particles

1985-03-18

1985-10-22

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

427222, 521 57, 521 60, 521907, C08J 918

Patent

active

045489564

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 pentaerythritol tetrastearate and a minor amount of hexabromocyclododecane. The additives can be incorporated during impregnation with the blowing agent or by blending with the expandable particles after impregnation.

REFERENCES:
patent: 3983082 (1976-09-01), Pratt et al.
patent: 4238570 (1980-12-01), Shibata et al.
patent: 4248778 (1981-02-01), Arnold et al.
patent: 4293656 (1981-10-01), Hahn et al.
patent: 4337319 (1982-06-01), Rigler et al.

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