Foamed fluoropolymer

Details Foamed fluoropolymer Foamed fluoropolymer

1997-04-17

1998-11-03

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

264 50, 264 51, 264 53, 264127, 521 79, 521145, C08J 908, C08J 914, B27J 500

Patent

active

058309233

ABSTRACT:
Fabricated articles of fluoropolymer are foamed by heating the articles to a deformable state, pressurizing the heated article with supercritical CO.sub.2, depressurizing the pressurized heated article while still in the foamable state, whereby said CO.sub.2 foams said article, and cooling the resultant foamed article.

REFERENCES:
patent: 5071610 (1991-12-01), Hagen et al.
patent: 5268395 (1993-12-01), Simandl et al.
patent: 5422377 (1995-06-01), Aubert
patent: 5500450 (1996-03-01), Simandl et al.
patent: 5668188 (1997-09-01), Whinnery et al.
patent: 5670102 (1997-09-01), Perman et al.

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