γ-RADIATION SYNTHESIS OF TEMPERATURE SENSITIVE POLYMER polyNIPAAm AND APPLICATION IN CONCENTRATION OF Au<sup>3+</sup> IN DILUTE AQUEOUS SOLUTION

Yi Min; Zhang Xiaodong; Li Jun; Ma Xiaomin; Ha Hongfei

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γ-RADIATION SYNTHESIS OF TEMPERATURE SENSITIVE POLYMER polyNIPAAm AND APPLICATION IN CONCENTRATION OF Au³⁺ IN DILUTE AQUEOUS SOLUTION

更新时间：2023-04-23

- γ-RADIATION SYNTHESIS OF TEMPERATURE SENSITIVE POLYMER polyNIPAAm AND APPLICATION IN CONCENTRATION OF Au³⁺ IN DILUTE AQUEOUS SOLUTION
- Journal of Radiation Research and Radiation Processing Vol. 14, Issue 4, Pages: 206-209(1996)
- 作者机构：
  
  1.北京大学技术物理系　北京　100871
- 作者简介：
- 基金信息：
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Yi Min, Zhang Xiaodong, Li Jun, et al. γ-RADIATION SYNTHESIS OF TEMPERATURE SENSITIVE POLYMER polyNIPAAm AND APPLICATION IN CONCENTRATION OF Au³⁺ IN DILUTE AQUEOUS SOLUTION. [J]. Journal of Radiation Research and Radiation Processing 14(4):206-209(1996)
DOI：

Yi Min, Zhang Xiaodong, Li Jun, et al. γ-RADIATION SYNTHESIS OF TEMPERATURE SENSITIVE POLYMER polyNIPAAm AND APPLICATION IN CONCENTRATION OF Au³⁺ IN DILUTE AQUEOUS SOLUTION. [J]. Journal of Radiation Research and Radiation Processing 14(4):206-209(1996) DOI：

摘要

应用γ辐射聚合技术在H,2,O-THF混合溶液中合成了不同分子量范围的温敏聚合物，并进而将这种辐射合成扩展到应用低级醇类、酮类和含氯有机化合物作为溶剂，结果表明，这些合成都是成功的。用合成的聚合物对在水溶液中浓集低浓Au,3+,，浓集效率可达90%以上。还研究了溶液酸度（以pH为1～7最佳）、聚合物含量（10%以上可达饱和浓集率）及浓集温度（接近LCST为好）对浓集的影响。

Abstract

A Water-soluble temperature sensitive polymer, polyNIPAAm, was synthesized by radiation technology in H,2,O-THF mixed solutions and further, in simple alcohols, ketones and Cl-containing organic compounds as the solvents. The results showed that all the synthesis was successful. Several polyNIPAAm with different molecular weight were obtained in this way. In addition, the concentration effects of Au,2+, in dilute aqueous solutions was investigated by using polyNIPAAm obtained in this work. The concentration coefficient could come up to more than 90%. The effects of acidity and concentration coefficient in the solution were investigated. The optimum conditions were obtained.

关键词

温度敏感性聚合物聚N-异丙基丙烯酰胺金离子辐射聚合

Keywords

Temperature sensitive polymerPoly N-isopropylacrylamideGold ionRadiation polymerization

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γ-RADIATION SYNTHESIS OF TEMPERATURE SENSITIVE POLYMER polyNIPAAm AND APPLICATION IN CONCENTRATION OF Au3+ IN DILUTE AQUEOUS SOLUTION

DOI：

摘要

Abstract

关键词

Keywords

references

γ-RADIATION SYNTHESIS OF TEMPERATURE SENSITIVE POLYMER polyNIPAAm AND APPLICATION IN CONCENTRATION OF Au³⁺ IN DILUTE AQUEOUS SOLUTION