Froth process and system for continuous manufacture of...

Details Froth process and system for continuous manufacture of... Froth process and system for continuous manufacture of...

B - Operations, Transporting

29

C

B29C 67/20 (2006.01) B29C 44/34 (2006.01) B29C 44/46 (2006.01) C08J 9/30 (2006.01)

Patent

CA 2127475

ABSTRACT OF THE DISCLOSURE A process and a system for the continuous manufacture of polymeric foams. Reactive chemical components and additives comprising a low boiling blowing agent are mixed under pressure; the mixture is then frothed before chemical reaction takes place by feeding the mixture through a pressure equalizing and frothing device comprising a pressure-drop zone opening into a frothing cavity having an output aperture to discharge the froth onto a moving substrate.

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