Particulate styrene polymers containing blowing agent

Details Particulate styrene polymers containing blowing agent Particulate styrene polymers containing blowing agent

C - Chemistry, Metallurgy

08

J

403/76, 403/80

C08J 9/16 (2006.01) C08J 9/224 (2006.01)

Patent

CA 1162000

ABSTRACT OF THE DISCLOSURE Particulate styrene polymers which contain a blowing agent and are surface-coated with from 0.05 to 1% by weight of an ester. The coating agent is an ester of citric acid and alcohols fo 10 to 20 carbon atoms; tristearyl citrate is a preferred ester. The styrene polymers can be used to produce foam moldings, with short mold dwell times and good welding of the foam particles.

382576

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