Process for production of styrene-based polymers

Details Process for production of styrene-based polymers Process for production of styrene-based polymers

C - Chemistry, Metallurgy

08

F

400/8105, 400/94

C08F 2/44 (2006.01) C08F 12/04 (2006.01) C08K 3/00 (2006.01) C08L 25/04 (2006.01)

Patent

CA 1336640

A process for producing a styrene-based polymer, particularly a styrene-based polymer having mainly a syndiotactic structure by polymerizing a styrene-based monomer in the presence of a filler by using a catalyst containing (A) a titanium compound and (B) aluminoxane as main components. The filler acts as a catalyst carrier, increasing catalyst activity, and thus de-ashing treatment is not needed. When the filler is used in a large amount, there is obtained a composition in which the filler is uniformly dispersed in the styrene-based polymer. The styrene-based polymer or styrene-based polymer-containing composition is excellent in heat resistance and chemical resistance.

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