Method and device for the production of foam using carbon dioxid

Details Method and device for the production of foam using carbon dioxid Method and device for the production of foam using carbon dioxid

1998-06-18

1999-03-16

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

261 38, 261DIG26, 264 459, 264 51, 3661821, 366192, 366336, 521 79, 521133, 521155, C08G 1814

Patent

active

058831436

ABSTRACT:
A method and device are described for the production of foams from two-component reactive mixtures using carbon dioxide as expanding agent, by mixing at least one of the reactive components with carbon dioxide under pressure. That mixture is then mixed with the other reactive component(s) to form a foamable reactive mixture, which is expanded and cured to form the final product. The foamable reactive mixture is expanded to ambient pressure through at least one fine-meshed screen (21a, 21b, 21c).

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patent: 5206082 (1993-04-01), Malone
patent: 5308879 (1994-05-01), Akamatu et al.
patent: 5356565 (1994-10-01), Southwell

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