含冠醚基团水凝胶的辐射制备及其对锂离子的响应性能

刘思琪; 曹朋飞; 彭静; 李久强; 翟茂林

doi:10.11889/j.1000-3436.2017.rrj.35.040301

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含冠醚基团水凝胶的辐射制备及其对锂离子的响应性能

辐射化学 | 更新时间：2021-12-10

- 含冠醚基团水凝胶的辐射制备及其对锂离子的响应性能
- Radiation synthesis of lithium-ion-response hydrogels based on crown ether
- 辐射研究与辐射工艺学报 2017年35卷第4期
- 作者机构：
  
  1.北京大学化学与分子工程学院放射化学与辐射化学重点学科实验室教育部高分子化学与物理重点实验室北京分子科学国家实验室北京 100871
- 作者简介：
  
  [ "刘思琪, 女, 1992年11月出生, 2014年毕业于武汉大学, 现为北京大学应用化学系硕士研究生, E-mail:liusiqijade@pku.edu.cn", "LIU Siqi (female) was born in November 1992, and received her bachelor's degree from Wuhan University in 2014. Now she is a master candidate in Department of Applied Chemistry, the College of Chemistry, Peking University. E-mail:liusiqijade@pku.edu.cn" ]
  彭静, 博士, 副教授, E-mail:jpeng@pku.edu.cn Ph. D. PENG Jing, associate professor, E-mail:jpeng@pku.edu.cn
- 基金信息：
  
  国家自然科学基金项目(U1430324)
- DOI：10.11889/j.1000-3436.2017.rrj.35.040301
  中图分类号：
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刘思琪, 曹朋飞, 彭静, 等. 含冠醚基团水凝胶的辐射制备及其对锂离子的响应性能[J]. 辐射研究与辐射工艺学报, 2017,35(4):null.

Siqi LIU, Pengfei CAO, Jing PENG, et al. Radiation synthesis of lithium-ion-response hydrogels based on crown ether[J]. Journal of Radiation Research and Radiation Processing, 2017,35(4):null.
刘思琪, 曹朋飞, 彭静, 等. 含冠醚基团水凝胶的辐射制备及其对锂离子的响应性能[J]. 辐射研究与辐射工艺学报, 2017,35(4):null. DOI： 10.11889/j.1000-3436.2017.rrj.35.040301.

Siqi LIU, Pengfei CAO, Jing PENG, et al. Radiation synthesis of lithium-ion-response hydrogels based on crown ether[J]. Journal of Radiation Research and Radiation Processing, 2017,35(4):null. DOI： 10.11889/j.1000-3436.2017.rrj.35.040301.

摘要

利用γ射线辐照引发含双键的丙烯酸12冠4醚酯（V12C4）与丙烯酰胺（AM）发生共聚和交联反应，制备了新型的聚丙烯酰胺-丙烯酸12冠4醚酯（PAM-12C4）水凝胶。采用凝胶分析，显微红外，热重分析对PAM-12C4进行表征，并考察了PAM-12C4对水溶液中Li,+,的溶胀度响应性。研究表明，γ射线辐照可成功引发V12C4与AM发生共聚及交联反应，辐照至吸收剂量10kGy时得到PAM-12C4的凝胶分数为94%。该新型含冠醚基团的水凝胶具有良好的热稳定性，在水溶液中对Li,+,具有明显的选择性溶胀度响应。

Abstract

A novel poly-(acrylamide-,co,-vinyl-12-crown-4-ether) (PAM-12C4) hydrogel with a specific lithium-ion-response was synthesized via radiation-induced copolymerization and cross linking. The resultant PAM-12C4 was characterized by gel fraction, micro-FTIR spectroscopy, and thermo gravimetric analysis (TGA). The swelling behavior of PAM-12C4 in a lithium salt solution was also studied. The results showed that the PAM-12C4 hydrogel was successfully synthesized with a gel fraction of 94% at a dose of 10 kGy. The resultant PAM-12C4 hydrogel exhibits good thermal stability and gives an obvious response to the lithium-ion in an aqueous solution.

关键词

辐射共聚合冠醚水凝胶锂离子离子响应性溶胀

Keywords

Radiation copolymerizationCrown ether hydrogelsLithiumIon-response

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