Fast-cooling styrene polymer foams

Details Fast-cooling styrene polymer foams Fast-cooling styrene polymer foams

1980-10-01

1982-01-26

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 57, 521 59, C08V 918

Patent

active

043129579

ABSTRACT:
Expandable styrene polymer particles which have fast cooling rates during molding are produuced by suspending styrene polymer particles in an aqueous medium and impregnating a blowing agent into the particles in the presence of 0.1 to 0.6 parts of a synergistic mixture of surfactants per 100 parts of polymer particles.

REFERENCES:
patent: 3480570 (1979-11-01), Roberts et al.
patent: 3503908 (1970-03-01), Ingram et al.
patent: 3789028 (1974-01-01), Heiskel et al.
patent: 3817879 (1974-06-01), Walter et al.
patent: 3827990 (1974-08-01), Wright

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