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紫外光引发模板聚合阳离子聚丙烯酰胺及其表征

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郑怀礼, 郑晓楷, 冯力, 朱传俊, 寿倩影, 关庆庆, 孙永军, 廖勇. 紫外光引发模板聚合阳离子聚丙烯酰胺及其表征[J]. 环境工程学报, 2016, 10(3): 1184-1190. doi: 10.12030/j.cjee.20160329
引用本文: 郑怀礼, 郑晓楷, 冯力, 朱传俊, 寿倩影, 关庆庆, 孙永军, 廖勇. 紫外光引发模板聚合阳离子聚丙烯酰胺及其表征[J]. 环境工程学报, 2016, 10(3): 1184-1190. doi: 10.12030/j.cjee.20160329
shu
Zheng Huaili, Zheng Xiaokai, Feng Li, Zhu Chuanjun, Shou Qianying, Guan Qingqing, Sun Yongjun, Liao Yong. UV-initiated template polymerization and characterization of cationic polyacrylamide[J]. Chinese Journal of Environmental Engineering, 2016, 10(3): 1184-1190. doi: 10.12030/j.cjee.20160329
Citation: Zheng Huaili, Zheng Xiaokai, Feng Li, Zhu Chuanjun, Shou Qianying, Guan Qingqing, Sun Yongjun, Liao Yong. UV-initiated template polymerization and characterization of cationic polyacrylamide[J]. Chinese Journal of Environmental Engineering, 2016, 10(3): 1184-1190. doi: 10.12030/j.cjee.20160329
shu

紫外光引发模板聚合阳离子聚丙烯酰胺及其表征

  • 1.

    重庆市水处理混凝剂工程研究中心, 重庆 400045

  • 2.

    重庆大学城市建设与环境工程学院, 重庆 400045

  • 3.

    中海油天津化工研究设计院, 天津 300131

  • 基金项目:

    国家自然科学基金资助项目(21477010)

  • 中图分类号: X703

UV-initiated template polymerization and characterization of cationic polyacrylamide

  • 1.

    Chongqing Water Treatment Coagulant Engineering Research Center, Chongqing 400045, China

  • 2.

    College of Urban Construction and Environmental Engineering, Chongqing University, Chongqing 400045, China

  • 3.

    China National Offshore Oil Corporation Tianjin Chemical Research & Design Insitute, Tianjin 300131, China

  • Fund Project:

  • 摘要: 采用紫外光引发,以聚丙烯酸钠(PAAS)为模板,丙烯酰胺(AM)和丙烯酰氧乙基三甲基氯化铵(DAC)为单体,制备得到阳离子聚丙烯酰胺P(AM-DAC)。通过红外光谱、1H-NMR光谱、电镜扫描、差热-热重分析对P(AM-DAC)的结构和热性能进行表征。为提高P(AM-DAC)的相对分子质量,通过单因素实验对制备条件进行了优化,结果表明:当DAC质量分数25%、引发剂浓度0.065%、反应体系pH值4.5、紫外光灯管功率500 W以及紫外光照射时间60 min时,P(AM-DAC)相对分子质量可达到533万。研究证明,P(AM-DAC)是AM与DAC的共聚物,其分子链上含有微嵌段结构,其表面分布有大量不均匀的凹凸结构,且在30~200℃温度范围内有良好稳定性。
    Abstract: In this study, cationic polyacrylamide P(AM-DAC) initiated by UV was synthesized using PAAS as a template and acrylamide (AM) and acryloyloxyethyl trimethyl ammonium chloride (DAC) as monomers. FTIR, 1H-NMR, SEM, and DSC-TGA were employed to study the chemical structure and thermal stability of P(AM-DAC). In order to increase the relative molecular weight of P(AM-DAC), the synthetic conditions were studied and optimized by a single-factor experiment. The results showed that a relative molecular weight for P(AM-DAC) of up to 5.33 million was attained under the following conditions:DAC concentration, 25%; initiator A concentration, 0.065%; pH, 4.5; UV lamp power, 500 W; and UV irradiation time, 60 min. It was demonstrated that the P(AM-DAC) prepared in this study was a copolymer of AM and DAC with a micro-block structure found at the molecular chain, and with plenty of nonuniform concave-convex structures on the surface. Overall, it presented good thermal stability between 30 and 200℃.
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  • [1] Yoon D. H., Jang J. W., Cheong I. W. Synthesis of cationic polyacrylamide/silica nanocomposites fom inverse emulsion polymerization and their flocculation property for papermaking. Colloids and Surfaces A:Physicochemical and Engineering Aspects, 2012, 411:18-23
    [2] Wang Jiawei, Chen Chen, Gao Qiong, et al. Relationship between the characteristics of cationic polyacrylamide and sewage sludge dewatering performance in a full-scale plant. Procedia Environmental Sciences, 2012, 16:409-417
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    [6] 张玉玺, 吴飞鹏, 李妙贞, 等. 模板聚合法合成P(AM/AA)多嵌段共聚物的溶液性质和自缔合作用. 高分子学报, 2006, (5):666-670 Zhang Yuxi, Wu Feipeng, Li Miaozhen, et al. Olution properties and self-association of multi-block copolymer P(AM/AA) prepared by template copolymerization. Acta Polymerica Sinica, 2006, (5):666-670(in Chinese)
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    [11] 李万捷, 姚婷, 郑玉刚. 光敏引发AM/DAC共聚的竞聚率测定和序列分布. 高分子材料科学与工程, 2012, 28(5):61-64 Li Wanjie, Yao Ting, Zheng Yugang. Reactivity ratio determination and sequence-length distribution of AM/DAC copolymerization Initiated by Photosensitizer. Polymer Materials Science & Engineering, 2012, 28(5):61-64(in Chinese)
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    [13] Zheng Huaili, Sun Yongjun, Zhu Chuanjun, et al. UV-initiated polymerization of hydrophobically associating cationic flocculants:Synthesis, characterization, and dewatering properties. Chemical Engineering Journal, 2013, 234:318-326
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  • 收稿日期:  2014-03-18
  • 刊出日期:  2016-03-18
郑怀礼, 郑晓楷, 冯力, 朱传俊, 寿倩影, 关庆庆, 孙永军, 廖勇. 紫外光引发模板聚合阳离子聚丙烯酰胺及其表征[J]. 环境工程学报, 2016, 10(3): 1184-1190. doi: 10.12030/j.cjee.20160329
引用本文: 郑怀礼, 郑晓楷, 冯力, 朱传俊, 寿倩影, 关庆庆, 孙永军, 廖勇. 紫外光引发模板聚合阳离子聚丙烯酰胺及其表征[J]. 环境工程学报, 2016, 10(3): 1184-1190. doi: 10.12030/j.cjee.20160329
shu
Zheng Huaili, Zheng Xiaokai, Feng Li, Zhu Chuanjun, Shou Qianying, Guan Qingqing, Sun Yongjun, Liao Yong. UV-initiated template polymerization and characterization of cationic polyacrylamide[J]. Chinese Journal of Environmental Engineering, 2016, 10(3): 1184-1190. doi: 10.12030/j.cjee.20160329
Citation: Zheng Huaili, Zheng Xiaokai, Feng Li, Zhu Chuanjun, Shou Qianying, Guan Qingqing, Sun Yongjun, Liao Yong. UV-initiated template polymerization and characterization of cationic polyacrylamide[J]. Chinese Journal of Environmental Engineering, 2016, 10(3): 1184-1190. doi: 10.12030/j.cjee.20160329
shu

紫外光引发模板聚合阳离子聚丙烯酰胺及其表征

  • 1.  重庆市水处理混凝剂工程研究中心, 重庆 400045
  • 2.  重庆大学城市建设与环境工程学院, 重庆 400045
  • 3.  中海油天津化工研究设计院, 天津 300131
  • 收稿日期:  2014-03-18
基金项目:

国家自然科学基金资助项目(21477010)

摘要: 采用紫外光引发,以聚丙烯酸钠(PAAS)为模板,丙烯酰胺(AM)和丙烯酰氧乙基三甲基氯化铵(DAC)为单体,制备得到阳离子聚丙烯酰胺P(AM-DAC)。通过红外光谱、1H-NMR光谱、电镜扫描、差热-热重分析对P(AM-DAC)的结构和热性能进行表征。为提高P(AM-DAC)的相对分子质量,通过单因素实验对制备条件进行了优化,结果表明:当DAC质量分数25%、引发剂浓度0.065%、反应体系pH值4.5、紫外光灯管功率500 W以及紫外光照射时间60 min时,P(AM-DAC)相对分子质量可达到533万。研究证明,P(AM-DAC)是AM与DAC的共聚物,其分子链上含有微嵌段结构,其表面分布有大量不均匀的凹凸结构,且在30~200℃温度范围内有良好稳定性。

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