Fast-cooling styrene polymer foams

C - Chemistry – Metallurgy – 08 – L

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403/76, 403/80

C08L 25/08 (2006.01) C08J 9/18 (2006.01)

Patent

CA 1147099

ABSTRACT OF THE DISCLOSURE Expandable styrene polymer particles which have fast cooling rates during molding are produced by suspending styrene polymer particles in an aqueous medium and impregnat- ing 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.

385041

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