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学科主题: 高分子化学
题名: Synthesis of temperature and pH/CO2 responsive homopolymer bearing oligo(ethylene glycol) unit and N,N-diethylamino ethyl group and its solution property
其他题名: Synthesis of temperature and pH/CO2 responsive homopolymer bearing oligo(ethylene glycol) unit and N,N-diethylamino ethyl group and its solution property
作者: Jiang X(江雪)1; Feng C(冯纯)1; Lu GL(陆国林)1; Huang XY(黄晓宇)1
通讯作者: 冯纯 ; 黄晓宇
刊名: Polymer
发表日期: 2015
DOI: 10.1016/j.polymer.2015.01.050
卷: 64, 页:268-276
收录类别: SCI
文章类型: 论文
英文摘要: A homopolymer strategy was developed to synthesize temperature and pH/CO2 stimulus-responsive homopolymers. A new class of acrylamide monomers bearing oligo(ethylene glycol) unit and N,N-diethylaminoethyl group were designed and prepared through Aza-Michael addition reaction followed by amidation with acryloyl chloride using amino group as a linkage to connect oligo(ethylene glycol), N,N-diethylaminoethyl, and polymerizable double bond groups together. Subsequently, the corresponding homopolymers containing oligo(ethylene glycol) unit and N,N-diethylaminoethyl group in each repeated unit were prepared via RAFT polymerization with controlled molecular weights and relatively narrow molecular weight distributions. The lower critical solution temperature (LCST) of homopolymer was examined to be influenced by molecular weight, salt concentration, and pH value of aqueous solution. The LCSTs of homopolymers could be tuned in a wide temperature window by changing pH value of aqueous solution and it increased with the decrease of pH value. Particularly, CO2 gas as a unique pH stimulus can also reversibly adjust the solubility of homopolymer without the addition of acids or bases. (C) 2015 Elsevier Ltd. All rights reserved.
语种: 英语
相关网址: 查看原文
WOS记录号: WOS:000355241400034
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/39845
Appears in Collections:高分子材料研究室_期刊论文

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作者单位: 1.中科院上海有机化学研究所, 有机功能分子合成与组装化学重点实验室
2.复旦大学

Recommended Citation:
Jiang X,Feng C,Lu GL,et al. Synthesis of temperature and pH/CO2 responsive homopolymer bearing oligo(ethylene glycol) unit and N,N-diethylamino ethyl group and its solution property[J]. Polymer,2015,64:268-276.
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