Synthesis and performance of anti-salt water retention agent

doi:10.16085/j.issn.1000-6613.2015.06.040

Chemical Industry and Engineering Progree ›› 2015, Vol. 34 ›› Issue (06): 1750-1754,1798.DOI: 10.16085/j.issn.1000-6613.2015.06.040

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Synthesis and performance of anti-salt water retention agent

CHEN Ruihuan^1,2, WANG Ping¹, LIU Yun², WANG Huoyan², DONG Yuanhua², ZHOU Jianmin²

1 School of Chemistry & Biological, Lanzhou Jiaotong University, Lanzhou 730070, Gansu, China;
2 Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, Jiangsu, China

Received:2014-11-05 Revised:2015-02-15 Online:2015-06-05 Published:2015-06-05

耐盐保水剂的合成及其性能

陈瑞环^1,2, 王萍¹, 刘云², 王火焰², 董元华², 周健民²

1 兰州交通大学化学与生物工程学院, 甘肃兰州 730070;
2 中国科学院南京土壤研究所土壤环境与污染修复重点实验室, 江苏南京 210008

通讯作者: 刘云,博士,副研究员,主要从事环境材料的研发及污废水的处理。E-mail:yliu@issas.ac.cn;王萍,教授,主要从事水处理材料的合成及应用。E-mail:4938238@163.com。
作者简介:陈瑞环(1990—),男,硕士研究生。
基金资助:
公益性行业(农业)科研专项项目(201203013)。

Abstract

Abstract: A novel water retention agent with high salt tolerance was prepared by graft copolymerization Acrylicacid (AA), 2-acrylamido-2-methylpropane sulfonic acid (AMPS) and methyl allyl polyethenoxy ether (HPEG-2400) were used as monomers, Ammonium persulphate (APS) together with sodium bisulfite were used as the initiator, while N,N’-methylenebisacrylamide (NMBA) were used as cross-linking agent. The molecular structure characteristics of the product was confirmed by Fourier transform infrared spectroscopy (FTIR). The factors, which can influence the absorbency of water retention agent, were investigated, such as weight ratio of monomers, the amount of cross-linker, the neutralization degree of AA and temperature. The results show that the water retention agent has the water absorbency of 1787g/g, and 201g/g KCl solution when initiator ratio is 1%, the neutralization degree of AA is 60%, the ratio of monomers is AA:AMPS:HPEG-2400=10:3:4, and the amount of cross-linking agent is 0.02% at 60℃.

Key words: water retention agent, anti-salt, water absorbency

摘要： 以丙烯酸(AA)、2-丙烯酰胺-2-甲基丙磺酸(AMPS)和甲基烯丙基聚氧乙烯醚(HPEG-2400)为单体, 以过硫酸铵(APS)和亚硫酸氢钠为引发剂, N,N'-亚甲基双丙烯酰胺(NMBA)为交联剂, 采用溶液聚合法制备了耐盐性能较好的高吸水性新型保水剂, 并用FTIR对保水剂进行表征。研究了不同单体配比、交联剂用量、中和度及温度等因素对其保水性能的影响。实验结果表明:当固定引发剂质量分数为1%, 单体质量比为AA:AMPS:HPEG-2400=10:3:4, 交联剂质量分数为0.02%, 中和度为60%, 温度为60℃时, 合成得到的保水剂在1%氯化钾溶液中的吸水能力达201g/g, 对去离子水吸水能力达1787g/g。

关键词: 保水剂, 耐盐, 吸水倍率

CLC Number:

TQ325.7

CHEN Ruihuan, WANG Ping, LIU Yun, WANG Huoyan, DONG Yuanhua, ZHOU Jianmin. Synthesis and performance of anti-salt water retention agent[J]. Chemical Industry and Engineering Progree, 2015, 34(06): 1750-1754,1798.

陈瑞环, 王萍, 刘云, 王火焰, 董元华, 周健民. 耐盐保水剂的合成及其性能[J]. 化工进展, 2015, 34(06): 1750-1754,1798.

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Synthesis and performance of anti-salt water retention agent

耐盐保水剂的合成及其性能

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