Expandable polymeric styrene particles

Details Expandable polymeric styrene particles Expandable polymeric styrene particles

1982-11-22

1983-07-12

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 56, 521 90, 521907, C08J 918

Patent

active

043931472

ABSTRACT:
An improved expandable polymeric styrene particle is provided containing a blowing agent and a minor amount of ethylene-bis-stearamide and dibromoethyldibromocyclohexane. The improved particle results in a significantly reduced final mold cooling cycle in producing the finished molded article. Ethylene-bis-stearamide and dibromoethyldibromocyclohexane can be incorporated during impregnation with the blowing agent or by blending with the expandable particles after impregnation.

REFERENCES:
patent: 3385804 (1968-05-01), Hill, Jr.
patent: 3389097 (1968-06-01), Ingram et al.
patent: 3960787 (1976-06-01), Isukamoto et al.
patent: 4029614 (1977-06-01), Nintz et al.
patent: 4281067 (1981-07-01), Kienzle et al.

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