Expandable thermoplastic polymer particles and process for produ

Details Expandable thermoplastic polymer particles and process for produ Expandable thermoplastic polymer particles and process for produ

1983-05-27

1984-02-07

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 57, C08V 918

Patent

active

044304501

ABSTRACT:
Disclosed are expandable thermoplastic polymer particles and process for preparing the same.
Expandable thermoplastic polymer particles superior in processability as well as expansion are prepared by controlling an amount of inside moisture contained in said particles coated or impregnated with a blowing agent to not more than 1% by weight based on polymer, immediately after prepared.

REFERENCES:
patent: 4017427 (1977-04-01), Granda et al.
patent: 4036794 (1977-07-01), Keppler et al.

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