Process and apparatus for removing volatile constituents...

Details Process and apparatus for removing volatile constituents... Process and apparatus for removing volatile constituents...

B - Operations, Transporting

29

C

23/376, 402/7

B29C 47/76 (2006.01) C08F 6/00 (2006.01) C08G 85/00 (2006.01)

Patent

CA 1233288

ABSTRACT OF THE DISCLOSURE: A process for removing volatile constituents from a polymer melt in a vented extrude, which comprises: passing the polymer melt containing the volatile constituents through one or more zones, with continuous formation of fresh surfaces, evaporating volatile constituents from this polymer melt in one or more such zones, and removing the vapors of volatile constituents, thus produced, from the zone or zones via a porous plate having a porosity of from 25 to 60% and a pore diameter of from 5 to 200 µm. And an apparatus to carry out this process.

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