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6616727 
Journal Article 
A new initiator cholesteryl chloroformate for cupper-based atom transfer radical polymerization of methyl methacrylate 
Cao, J; Chu, J; Zhang, KD; , 
2004 
Yes 
Chinese Journal of Chemistry
ISSN: 1001-604X 
WILEY-V C H VERLAG GMBH 
WEINHEIM 
1436-1439 
WOS:000225724600011 
The polymerization of metyl methacrylate (MMA) was studied in detail by use of CuCl/L as a catalyst and cholesteryl chloroformate (CC) as an initiator. It was found that the atom transfer radical polymerization of MMA could proceed when L equals to a multidentate aliphatic amine ligand, N,N,N,N",N"-penta(methyl acrylate)diethylenetriamine (MA(5)-DETA), and no polymerization was occurred while L = 2,2'-bipyridine and 1,10-phenanthroline. The linear proportionality of the molecular weights to the conversions and straight lines observed in ln[M](0)/[M] versus time plots indicated that the present polymerization system had the typical controlled polymerization characteristics.