Foams and processes for their production

Details Foams and processes for their production Foams and processes for their production

1996-12-26

2000-05-23

Lovering, Richard D.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 92, 521125, 252609, C08J 906

Patent

active

06066682&

ABSTRACT:
A foam comprising a metal salt-crosslinked cellular (co)polymer (A) obtained by polymerizing a monomer charge comprising an .alpha., .beta.-unsaturated carboxylic acid and optionally one or more other vinyl monomers, wherein at least part of said monomer charge is concurrently foamed and polymerized in the presence of a metal salt of carbonic acid, and processes for producing them. Low-density foams that are benign to the environment and can be easily produced can be provided.

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