Antilumping expandable styrene polymers

Details Antilumping expandable styrene polymers Antilumping expandable styrene polymers

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

042787327

ABSTRACT:
Expandable styrene polymer particles are surface-coated with decaglyceroloctaoleate to prevent the particles from lumping together during expansion. The coating is applied by adding 0.02-0.05 part of decaglyceroloctaoleate to an aqueous suspension containing 100 parts of polymer particles subsequent to impregnating the mixture with a blowing agent, or by dry blending polymer particles with the octaoleate.

REFERENCES:
patent: 3444104 (1969-05-01), Immel et al.
patent: 3462293 (1969-08-01), Voris
patent: 3520833 (1970-07-01), Wright

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