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Citation: ZHU Ning, TANG Tao, CHEN Hui, YU Guang-Qian, FENG Zhi-Liu, HUANG Bao-Tong. Study on the Polymerization with Organic/Inorganic Hybrid-Supported Titanium Catalysts Ⅱ.Styrene Polymerizaton[J]. Chinese Journal of Applied Chemistry, ;2001, 18(1): 9-11. shu

Study on the Polymerization with Organic/Inorganic Hybrid-Supported Titanium Catalysts Ⅱ.Styrene Polymerizaton

1.
a State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Polymer Chemistry Laboratory, Chinese Academy of Sciences and China Petro-Chemical Corporation, Changchun 130022;
2.
b Department of Chemistry, Northeastern University, Shenyang

Received Date: 13 March 2000
Available Online: 16 May 2000
Fund Project: 国家重点基础研究专项经费资助项目(G1999064801) (G1999064801)国家自然科学基金(29774028) (29774028)

The use of organic/inorganic hybrid materials poly(styrene-co-maleic anhydride)/SiO₂ as the support for titanium catalysts in styrene polymerization was studied. Results indicated that at 70℃ the activity of the inorganic/organic hybrid supported catalysts would reached a maximum; 1.49×10⁶ g/(mol·h). With increase in reaction temperature, the molecular weight of polymer decreased, and the polydispersity was much wider. DSC and FTIR measurements showed that the product was syndiotatic polystyrene.
- hybrid,
- supported-titanium catalyst,
- syndiotatic polystyrene,
- stereospecific polymerization
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