Fast-cooling styrene polymer foams

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

1980-10-01

1981-07-14

Foelak, Morton

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

521 57, 521 88, 521 97, C08J 914

Patent

active

042787319

ABSTRACT:
Expandable styrene polymer particles which have fast cooling rates during molding are produced by dry blending styrene polymer particles in the presence of 0.06 to 0.60 parts of a mixture of alkyl esters of fatty acids per 100 parts of polymer particles. The ester mixture may be added as sole fast cool agent or in addition to the known internal additives which impart fast cool properties.

REFERENCES:
patent: 2989782 (1961-06-01), Barkhuff, Jr. et al.
patent: 3461088 (1969-08-01), Stahnecker et al.
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.

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