C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
23/381, 402/381,
C08F 12/08 (2006.01) B01F 15/00 (2006.01) B01J 19/20 (2006.01)
Patent
CA 1329301
ABSTRACT OF THE DISCLOSURE A process for producing styrene-based polymers, which comprises polymerization styrene or styrene derivatives at a temperature of not higher than 110°C while applying sufficient shearing force to maintain a polydispersive state, so as to make a substantially solid-state polydispersoid of the product and reaction apparatus suitable for performing said process. According to the process and apparatus, when polymerizing styrene or styrene derivatives, styrene-based polymers having mainly syndiotactic configuration with uniform particle size can be obtained efficiently without adhesion of scale to the reaction tank or agitating blades, and moreover, it is possible to control the particle size of polymers, and post-treatment and other treatments becomes easier.
590197
Imabayashi Hideki
Ishikawa Kazutoshi
Izumi Takashi
Shirota Daigo
Yamamoto Koji
Idemitsu Petrochemical Company Limited
Smart & Biggar
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