Radiation synthesis and characterization of PNIPAM/carbon nanotubes composite hydrogels

YANG Mingcheng1 SONG Weidong1 ZHANG Hongna1 ZHU Jun1 LI Zhaopeng1 ZHU Chengshen2 ZHAO Huidong1 1

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Radiation synthesis and characterization of PNIPAM/carbon nanotubes composite hydrogels

更新时间：2021-03-05

- Radiation synthesis and characterization of PNIPAM/carbon nanotubes composite hydrogels
- NUCLEAR TECHNIQUES Vol. 34, Issue 7, (2011)
- 作者机构：
  
  1. 河南省科学院同位素研究所有限责任公司
  2. 郑州大学材料科学与工程学院
- 作者简介：
- 基金信息：
  
  河南省自然科学基金(0611023900)资助
- DOI：
  CLC： O648.17
- Published：01 July 2011
- 稿件说明：
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[1]杨明成,宋卫东,张宏娜,朱军,李召朋,朱诚身,赵惠东.PNIPAM/碳纳米管复合水凝胶辐射合成与表征[J].核技术,2011,34(07):517-521.

YANG Mingcheng1 SONG Weidong1 ZHANG Hongna1 ZHU Jun1 LI Zhaopeng1 ZHU Chengshen2 ZHAO Huidong1 1. Radiation synthesis and characterization of PNIPAM/carbon nanotubes composite hydrogels[J]. Nuclear techniques, 2011, 34(7): 517-521.
[1]杨明成,宋卫东,张宏娜,朱军,李召朋,朱诚身,赵惠东.PNIPAM/碳纳米管复合水凝胶辐射合成与表征[J].核技术,2011,34(07):517-521. DOI：

YANG Mingcheng1 SONG Weidong1 ZHANG Hongna1 ZHU Jun1 LI Zhaopeng1 ZHU Chengshen2 ZHAO Huidong1 1. Radiation synthesis and characterization of PNIPAM/carbon nanotubes composite hydrogels[J]. Nuclear techniques, 2011, 34(7): 517-521. DOI：

摘要

采用辐射聚合方法合成了PNIPAM/碳纳米管（CNTs）复合水凝胶;采用FTIR、TEM等手段对CNTs的微观结构进行了分析和表征;研究了CNTs对PNIPAM/CNTs复合水凝胶溶胀性能和压缩性能的影响。结果表明

采用辐射与混酸处理相结合进行CNTs的修饰

处理后的CNTs的结构发生了明显变化

从缠绕的团簇状分散成较短且末端开口的管

在水中的分散性和稳定性明显提高。PNIPAM/MMT复合水凝胶具有温度敏感性

低临界溶解温度（LCST）均在35°C左右。使用CNTs能改善PNIPAM/CNTs复合水凝胶的压缩性能;且复合水凝胶的压缩性能随CNTs含量的增加而提高。

Abstract

Carbon nanotubes(CNTs) composite hydrogels were synthesized by radiation polymerization.The microstructure of CNTs was characterized by FT-IR and TEM.Effects of the CNTs on swelling and compressive properties of the hydrogels were investigated.Obvious changes were observed in structure of CNTs modified by combining gamma-ray irradiation and mixed acid treatment

becoming shorter tubes with opening ends

and their dispersibility and stability in water were markedly improved.The PNIPAM/CNTs composite hydrogels are temperature sensitive

with a lower critical solution temperature(LCST) of about 35°C.Compression performance of the PNIPAM/ CNTs composite hydrogels was improved

in an upward trend with increasing CNTs contents.

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