Process for producing styrene-based polymers and catalyst...

Details Process for producing styrene-based polymers and catalyst... Process for producing styrene-based polymers and catalyst...

C - Chemistry, Metallurgy

08

F

252/109, 402/381

C08F 4/64 (2006.01) C08F 12/08 (2006.01)

Patent

CA 1325005

ABSTRACT OF THE DISCLOSURE A process for producing styrene-based polymers having mainly syndiotactic configuration in the presence of a catalyst comprising (A) a titanium compound and (B) a contact product of a methyl group-containing organoaluminum compound and water, wherein the contact product (B) has a high magnetic field component of not more than 50% in the methyl proton signal region due to an aluminum-methyl group (Al-CH3) bond as determined by the proton nuclear magnetic resonance absorption method. According to this process, styrene-based polymers having mainly syndiotactic configuration can be efficiently and economically produced.

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