期刊
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
卷 44, 期 5, 页码 1628-1634出版社
WILEY
DOI: 10.1002/pola.21270
关键词
atom transfer radical polymerization (ATRP); butyl methacrylate (BMA); cationic surfactants; emulsion polymerization; living polymerization
The miniemulsion reverse atom transfer radical polymerization of butyl methacrylate was carried out with cetyltrimethylammonium bromide (CTAB) as the sole surfactant. The polymerizations were initiated with 2,2'-azobis[2-(2-imidazolin-2-yl) propane] dihydrochloride and mediated with copper(II) bromide/tris[2-di(2-ethylhexyl acrylate)aminoethyl]amine. The living character was demonstrated by the linear increase in the number-average molecular weight with conversion and the decreasing polydispersity index with conversion. The polymerizations were conducted at 90 degrees C with 1 wt% CTAB with respect to the monomer and produced a coagulum-free latex with a mean particle diameter of 155 nm. The resulting latexes exhibited good shelf-life stability. (c) 2006 Wiley Periodicals, Inc.
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