Preparation of expandable thermoplastic polymers by post-impregn

Details Preparation of expandable thermoplastic polymers by post-impregn Preparation of expandable thermoplastic polymers by post-impregn

1995-04-20

1996-10-01

Seidleck, James J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 72, 521 85, 521 89, 521107, 521108, 521120, 521121, 521143, 521146, C08J 928

Patent

active

055611702

ABSTRACT:
A process for the preparation of expandable thermoplastic polymers by post-impregnation with a blowing agent in aqueous suspension in the presence of a mixture of magnesium pyrophosphate and a sulfonate group-containing extender as suspension stabilizer, in a reactor comprises

REFERENCES:
Database WPIL, Derwent Publications, AN 77-67319Y[38] (English language abstract of JP50 109 966) Aug. 1975.
Patent Abstracts of Japan, vol. 12, No. 410 (C-540) Oct. 28, 1988 (English abstract of JP 63 146 944).

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