Method of producing antistatic expandable polystyrene products

Details Method of producing antistatic expandable polystyrene products Method of producing antistatic expandable polystyrene products

1983-08-30

1985-12-03

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

428222, 521 58, 521 60, C08J 922

Patent

active

045566801

ABSTRACT:
Polystyrene beads having antistatic properties are prepared by adding the antistatic compounds to the beads during the pre-expansion step. The beads may then be employed to prepared molded products without any further treatment with antistatic agents.

REFERENCES:
patent: 3560414 (1971-02-01), Miskel, Jr. et al.
patent: 3817879 (1974-06-01), Walter et al.
patent: 4255525 (1981-03-01), Rigler et al.
patent: 4302549 (1981-11-01), Crowley
patent: 4438058 (1984-03-01), Tanaka

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