首页> 外文期刊>Journal of Applied Polymer Science >Ultrafiltration of metal ions by water-soluble chelating poly(N-acryloyl-N-methylpiperazine-co-N-acetyl-alpha-aminoacrylic acid)
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Ultrafiltration of metal ions by water-soluble chelating poly(N-acryloyl-N-methylpiperazine-co-N-acetyl-alpha-aminoacrylic acid)

机译:水溶性螯合聚(N-丙烯酰基-N-甲基哌嗪-co-N-乙酰基-α-氨基丙烯酸)对金属离子的超滤

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摘要

Water-soluble copolymers of N-acryloyl-N-methylpiperazine and N-acetyl-alpha-aminoacrylic acid were synthesized by radical polymerization. The copolymerization yield ranged between 60 and 97%. The FTIR and NMR spectra demonstrated that the copolymerization occurred. The copolymer composition was determined from H-1-NMR spectra by comparison of methyl groups from both moieties. The copolymers were richest in AAA units. The metal ion retention properties were investigated by the liquid-phase polymer-based retention (LPR) technique at different pH and filtration factors. The affinity for the metal ions depended on the copolymer composition, pH, and filtration factor. (C) 2002 John Wiley Sons, Inc. [References: 26]
机译:通过自由基聚合合成了N-丙烯酰基-N-甲基哌嗪和N-乙酰基-α-氨基丙烯酸的水溶性共聚物。共聚产率为60-97%。 FTIR和NMR光谱证明发生了共聚。通过比较两个部分的甲基,由H-1-NMR光谱确定共聚物组成。共聚物中的AAA单元最丰富。通过液相聚合物基保留(LPR)技术研究了在不同pH和过滤因子下的金属离子保留性能。对金属离子的亲和力取决于共聚物的组成,pH和过滤系数。 (C)2002 John Wiley Sons,Inc. [参考:26]

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