C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 6/10 (2006.01) B01D 39/00 (2006.01) C08F 112/08 (2006.01) C08J 11/02 (2006.01) C08L 25/06 (2006.01) C08L 39/06 (2006.01)
Patent
CA 2599505
The invention relates to a method for removing styrene residual monomers from polystyrene and from blends containing water-insoluble cross-linked polyvinyl pyrrolidone by treating with water. The invention is characterized in that the treatment is carried out on a particle-shaped solid blend.
L'invention concerne un procédé d'extraction de monomères résiduels de styrol à partir de mélanges contenant du polystyrol et une polyvinypyrrolidone réticulée insoluble dans l'eau, par traitement avec de l'eau, caractérisé en ce que le traitement est effectué sur un mélange solide particulaire.
Bayer Robert
Heilmann Karl-Otto
Kerber Michael
Mathauer Klemens
Petsch Tobias
Basf Aktiengesellschaft
Robic
LandOfFree
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