Citation: ZHOU Xinhua, ZHAO Zhenhe, LU Yun, LIN Shangan. HIGHLY ACTIVE CATALYTIC STEREOSPECIFIC POLYMERIZATION OF STYRENE[J]. Chinese Journal of Polymer Science, ;1986, 4(4): 309-315. shu

HIGHLY ACTIVE CATALYTIC STEREOSPECIFIC POLYMERIZATION OF STYRENE

Received Date: 9 March 1985

A novel highly active catalyst of TiCl4/MgCl2--Al(C2H5), system (called SN-1 catalyst, in whichrare earth compound NdCl3, is included) was used for studying stereospecific polymerization of styrenein benzene solution. Highly isotactic polystyrene was prepared with far better yield and higher cataly-tic efficiency than the results ever reported in literatures. The influences of concentration of mono-mer, catalyst, triethyaluminum as well as polymerization temperature on the catalytic efficiency, yield,tacticity and molecular weight of polystyrene have been investigated.
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