Method for preparing antistatic expandable polystyrene

Details Method for preparing antistatic expandable polystyrene Method for preparing antistatic expandable polystyrene

1988-01-19

1988-11-01

Page, Thurman K.

Stock material or miscellaneous articles

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

Particulate matter

427212, 427222, 521 56, 521 57, B32B 516, B05D 700, C08J 922

Patent

active

047819839

ABSTRACT:
Quaternary ammonium salts which act as antistatic agents for styrene polymers are coated on the expandable polymer particles in the form of an organosol. The hydrocarbon medium from the organosol is removed under vacuum and the coated polymer particles are molded.

REFERENCES:
patent: 4238570 (1980-12-01), Shibata et al.
patent: 4281036 (1981-07-01), Leithauser et al.
patent: 4495224 (1985-01-01), Rigler et al.
patent: 4588751 (1986-05-01), Ingram
patent: 4599366 (1986-07-01), Kesling et al.
patent: 4626554 (1986-12-01), Di Giulio

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