Manufacture of particulate expandable styrene polymers requiring

Chemistry of carbon compounds – Miscellaneous organic carbon compounds

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260 25E, 260 25FP, 260880R, 260892, 264 53, 264211, C08j 924

Patent

active

039562034

ABSTRACT:
Particulate expandable styrene polymers requiring short residence times in the mold are obtained by polymerizing styrene and, optionally, other copolymerizable monomers in the presence of expanding agents and from 0.001 to 0.1% by weight of a brominated oligomer or polymer of a 1,3-diene for at least part of the time at temperatures of from 110.degree. to 140.degree.C.

REFERENCES:
patent: 3093599 (1963-06-01), Mueller-Tamm et al.

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