Anti-static styrene polymer particles by impregnation

Details Anti-static styrene polymer particles by impregnation Anti-static styrene polymer particles by impregnation

1986-01-13

1986-08-26

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521 56, 521 60, 521 85, 521146, C08J 922

Patent

active

046083944

ABSTRACT:
Expandable styrene polymer particles which have anti-static and anti-lumping properties during expansion are produced by adding 0.1 to 0.4 parts of alkyl and alkylaryl ethers of polyethoxyethanol mono- and diesters of phosphoric acid per 100 parts of polymer particles during impregnation of the polymer particles with blowing agents. The esters may be added as sole antistatic agent or in addition to the known internal additives which impart fast-cool and anti-lump properties.

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patent: 3236681 (1966-02-01), Neiuphos et al.
patent: 3520833 (1970-07-01), Wright
patent: 3553112 (1971-01-01), Weinstein et al.
patent: 3826765 (1974-07-01), Alteres, Jr.
patent: 3879345 (1975-04-01), Furukawa et al.

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