Dispersion Copolymerization of Acrylamide and Dimethyl Diallyl Ammonium Chloride in Ethanol-Water Solution

被引:36
作者
Wang, Xiaona [1 ]
Yue, Qinyan [1 ]
Gao, Baoyu [1 ]
Si, Xiaohui [1 ]
Sun, Xun [1 ]
Zhang, Shengxiao [1 ]
机构
[1] Shandong Univ, Sch Environm Sci & Engn, Shandong Key Lab Water Pollut Control & Resource, Jinan 250100, Shandong, Peoples R China
关键词
dimethyldiallylammonium chloride; acrylamide; dispersion polymerization; monomer reactivity ratio; POLAR-SOLVENTS; POLYMERIZATION; PARTICLES; STYRENE; SIZE;
D O I
10.1002/app.33288
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Poly (acrylamide-dimethyld iallylammonium chloride) (PAM-DMDAAC) particles have been prepared via dispersion polymerizations using poly (vinyl pyrrolidone) (PVP) as a steric stabilizer in ethanol-water media. The monomer reactivity ratios of acrylamide (AM, r(1)) and dimethyldiallylammonium chloride (DMDAAC, r(2)) were determined as 6.664 and 0.120, respectively, which means that PAM-DMDAAC is a nonideal copolymer. The effects of various polymerization parameters (e.g., concentration of monomer and initiator, medium polarity, the ratio of AM to DMDAAC, initial temperature and ethylene diamine tetraacetic acid disodium (EDTA)) on the intrinsic viscosity and conversion of copolymer have been investigated. The copolymer was characterized by FTIR and NMR. The optimum operating conditions for preparing PAM-DMDAAC were determined as ethanol content 50%, C-monomer (wt %) 40%, n(Am): n(DMDAAC) 8 : 2, C-initiator (Wt %) 0.04% and initiate temperature 40 degrees C. (C) 2010 Wiley Periodicals, Inc. J Appl Polym Sci 120: 1496-1502, 2011
引用
收藏
页码:1496 / 1502
页数:7
相关论文
共 31 条