Citation: . A NOVEL PHOTO-INITIATING SYSTEM FOR ATOM TRANSFER RADICAL POLYMERIZATION OF STYRENE[J]. Chinese Journal of Polymer Science, ;2001, 19(5): 441-445. shu

A NOVEL PHOTO-INITIATING SYSTEM FOR ATOM TRANSFER RADICAL POLYMERIZATION OF STYRENE

Received Date: 18 May 2001
Revised Date: 23 May 2001

A novel photo-induced initiating system, 2, 2 - dimethoxy-2-phenylacetophenone (DMPA)/ferric tri(N,N-diethyl-dithiocarbamate) [Fe(DC)3], was developed and used for the atom transfer radical polymerization (ATRP) of styrene intoluene. The polymerization proceeds with DMPA as photo-initiator, Fc(DC)3 as catalyst and DC as a reversible transfergroup, while the halogen and ligands are free. Well-defined PSt was prepared and the polymerization mechanism revealed byend group analysis belongs to a reverse ATRP.Block copolymer was prepared by using thus obtained PSt as macroinitiator and Fe(DC)2 as catalyst under UV light irradiation via a conventional ATRP process.
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