C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 279/02 (2006.01) C08F 212/10 (2006.01) C08F 279/04 (2006.01)
Patent
CA 2378307
A continuous process for the manufacture of impact resistant polymers is disclosed. The process comprises polymerization of a reaction mixture containing vinylaromatic monomers in the presence of soluble rubber and entails shearing at least some of said mixture at a rate of more than 30 000 1/s using a device having no rotating parts. The resulting product is characterized in its low gloss and improved impact properties.
L'invention concerne un procédé continu pour la fabrication de polymères résistants aux chocs, consistant à polymériser un mélange réactionnel contenant des monomères vinylaromatiques en présence de caoutchouc soluble et produisant la découpe d'au moins une partie de ce mélange à une vitesse supérieure à 30.000 1/s faisant intervenir un dispositif sans parties rotatives. Le produit obtenu est caractérisé en ce qu'il présente un faible polissage et des propriétés de résistance aux chocs améliorées.
Burk Raymond D.
Kim Joong-In
Klinksiek Bernd
Michels Gisbert
Ostarek Ralph
Aktiengesellschaft Bayer
Corporation Bayer
Lanxess Corporation
Lanxess Deutschland Gmbh
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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