C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 279/04 (2006.01) C08F 4/52 (2006.01) C08F 279/02 (2006.01)
Patent
CA 2372174
The invention relates to a method for producing ABS molding materials. According to this method, a solution containing rubber is produced first and the polymerization for producing the ABS molding compounds is then carried out in the presence of this solution containing rubber. Said solution containing rubber is produced by polymerizing diolefines in a solution of vinylaromatic monomers, in the presence of a catalyst containing the following: (a) at least one compound of the rare earth metals; (b) at least one organo-aluminum compound; and (c) optionally, a Lewis acid.
L'invention concerne un procédé de production de matières moulables ABS. Ce procédé consiste à produire une solution à base de caoutchouc puis à effectuer la polymérisation en présence de cette solution à base de caoutchouc pour obtenir les matières moulables ABS. Pour obtenir la solution à base de caoutchouc, on effectue la polymérisation de dioléfines dans une solution de monomères vinylaromatiques en présence d'un catalyseur, contenant A) au moins un composé des métaux terreux rares, B) au moins un composé aluminiumorganique et C) éventuellement un acide de Lewis.
Michels Gisbert
Steinhauser Norbert
Windisch Heike
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
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