C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 3/00 (2006.01) C08L 9/02 (2006.01) C08L 27/06 (2006.01)
Patent
CA 2436959
The invention relates to a method for producing mixtures of polyvinyl chloride and polymers based on conjugated dienes and acrylonitrile. Powdery polyvinyl chloride is mixed with latices based on conjugated dienes and acrylonitrile and is then coagulated therewith. The inventive method represents a cost- effective and ecological method for producing the cited mixtures, and the physical behaviour of the mixtures obtained does not differ from that of corresponding mixtures produced according to the dry mixing method or the latex mixing method.
L'invention concerne un procédé pour la production de mélanges de chlorure de polyvinyle et de polymères à base de diènes conjugués et d'acrylonitrile, selon lequel on mélange du chlorure de polyvinyle pulvérulent avec des latex à base de diènes conjugués et d'acrylonitrile et selon lequel on les coagule ensuite ensemble. Le procédé selon l'invention représente un procédé économique et écologique pour la production des mélanges indiqués, le comportement physique des mélanges obtenus ne se distinguant pas de celui de mélanges correspondants produits selon le procédé de mélange sec ou le procédé de mélange de latex.
Graefe Rainer
Krieger Paul
Loehr Dieter
Magg Hans
Strauch Hans-Christian
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
Lanxess Deutschland Gmbh
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