Method and apparatus for foam manufacture using carbon dioxide d

Details Method and apparatus for foam manufacture using carbon dioxide d Method and apparatus for foam manufacture using carbon dioxide d

1995-12-14

1997-07-01

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521914, 422133, 422134, 422135, C08G 1800, C08J 900

Patent

active

056439709

ABSTRACT:
For the expansion of a liquid containing gas under pressure in dissolved form, it is proposed that the liquid be passed with expansion through an extended flow channel with a small cross-sectional measurement with generation of high rates of shear. The velocity of the liquid is then reduced prior to the foaming.

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patent: 4201321 (1980-05-01), Patzelt et al.
patent: 5120770 (1992-06-01), Doyle et al.
patent: 5443797 (1995-08-01), Proksa et al.
patent: 5521224 (1996-05-01), Sulzback et al.
patent: 5523330 (1996-06-01), Farkas

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