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Citation: ZHANG Wan-Zhong, QIAO Xue-Liang, LI Mian-Gui. Homopolymerization of Dimethyldiallylammonium Chloride by Using Water-soluble Azo Initiators[J]. Chinese Journal of Applied Chemistry, ;2004, 21(5): 483-487. shu

Homopolymerization of Dimethyldiallylammonium Chloride by Using Water-soluble Azo Initiators

1.
a State Key Laboratory of Die and Mould, Huazhong University of Science and Technology, Wuhan 430074;
2.
b Hubei Research Institute of Chemistry, Wuhan

Corresponding author: QIAO Xue-Liang,
Received Date: 9 July 2003
Available Online: 18 January 2004

Homopolymer of dimethyldiallylammonium chloride(PDMDAAC) with high intrinsic viscosity was obtained by using water-soluble azo initiators 2,2'-azobis-isobutylamidine dihydrochloride(AIBA·2HCl) and 2,2'-azobis(4-cyano) pentanoic acid(SN).The influences of monomer mass fraction, initiator concentration, composite initiator and chelating agent concentration on the synthesis have been studied. The results indicated that AIBA·2HCl was a high efficient initiator. At the condition of ω(PDMDAAC)=65%~70%, c(AIBA·2HCl)=2.0×10^-2 mol/L and c(EDTA)=4×10^-4~7.5×10^-4 mol/L, the intrinsic viscosity of PDMDAAC was 2.10 dL/g; when polymerization was inittated by mixture of SN and AIBA·2HCl, in mass ratio of m(SN):m(AIBA·2HCl)=3:7, the intrinsic viscosity of the PPDMDAAC was up to 2.25 dL/g.
- dimethyldiallylammonium chloride,
- homo-polymerization,
- water-soluble azo initiator,
- intrinsic viscosity
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