Citation: Yi-bo Wu, Wen-li Guo, Shu-xin Li. SYNTHESIS AND CHARACTERIZATION OF POLY{4-[2-(tert-BUTYLDIMETHYLSILOXY)ETHYL]STYRENE} AND ITS HYDROLYSIS DERIVATIVE[J]. Chinese Journal of Polymer Science, ;2009, 27(3): 399-405. shu

SYNTHESIS AND CHARACTERIZATION OF POLY{4-[2-(tert-BUTYLDIMETHYLSILOXY)ETHYL]STYRENE} AND ITS HYDROLYSIS DERIVATIVE

Received Date: 2 February 2008
Revised Date: 5 March 2008

The living cationic polymerization of 4-[2-(tert-butyldimethylsiloxy)ethyl]styrene (TBDMES) was studied in methylcyclohexane (MeChx)/methylchloride (MeCl) (50/50 V/V) solvent mixture at -80°C. The initiator 1,1-diphenylethylene (DPE) capped 2-chloro-2,4,4-trimethylpentane (TMPCl) was formed in situ in conjunction with titanium tetrachloride (TiCl4). The Lewis acidity of TiCl4 was decreased by the addition of titanium(IV) isopropoxide (Ti(OiPr)4) to accomplish living polymerization of TBDMES. Hydrolysis of poly(TBDMES) in the presence of tetra-butylammonium fluoride yielded poly[4-(2-hydroxyethyl)styrene] (poly(HOES)). FT-IR, NMR and DSC demonstrated the hydrolysis was complete.
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