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低温引发制备高阳离子度絮凝剂
引用本文:王春晓,董利,梁志. 低温引发制备高阳离子度絮凝剂[J]. 化工时刊, 2008, 22(3): 34-37
作者姓名:王春晓  董利  梁志
作者单位:茂名职业技术学院,化学工程系,广东,茂名,525000
摘    要:在水溶液中,以氧化还原引发剂引发聚合,制备出阳离子度60%~70%,固含量60%~70%的丙烯酰胺(AM)与丙烯酰氧乙基三甲基氯化铵(DAC)的共聚物P(AM—DAC)絮凝剂。实验表明在10℃下引发聚合,单体质量分数60%,引发剂m(亚硫酸氢钠):m(过硫酸钾):m(尿素)=1:1:1,用量分别为聚合单体的质量分数0.1%,m(AM):m(DAC)=1:8,pH值为5时,生成的聚合物的[η]达400mL/g以上。絮凝实验结果显示生成的絮团粗大、不易破碎。

关 键 词:阳离子聚丙烯酰胺  丙烯酰胺  丙烯酰氧乙基三甲基氯化铵
修稿时间:2008-02-18

Preparation of Highly Cationic Flocculant Under Low Initiating Temperature
Wang Chunxiao,Dong Li,Liang Zhi. Preparation of Highly Cationic Flocculant Under Low Initiating Temperature[J]. Chemical Industry Times, 2008, 22(3): 34-37
Authors:Wang Chunxiao  Dong Li  Liang Zhi
Affiliation:Wang Chunxiao Dong Li Liang Zhi (Department of Chemcal Engineery, Maoming Vocational and Technical College, Guangdong Maoming 525000)
Abstract:Copolymer flocculant P(AM - DAC), which has Cationicity 60 - 70 %, Solid Content 60 - 70 %, was produced from acrylamide (AM) and acryloyloxyethyl trimethylammonium chloride (DAC) by aqueous solution. When initiated under 10 ℃, redox initiator ratio m(NaHSO3):m((NH4) :S2O8):m( CO (NILE)2) = 1: 1:1, each mass fraction w = 0.1%, monomer ratio m(AM) :m(DAC) = 1:8, pH = 5, Intrinsic viscosity [ η] of polymer could reach over 400 mL/g. The results of flocculation tests showed that the flock is thick and not easy to break up.
Keywords:cationic polyacrylamide acrylamide acryloyloxyethyl trimethylarmnonium chloride
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