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Synthesis of temperature and pH/CO2 responsive homopolymer bearing oligo(ethylene glycol) unit and N,N-diethylamino ethyl group and its solution property
Alternative TitleSynthesis of temperature and pH/CO2 responsive homopolymer bearing oligo(ethylene glycol) unit and N,N-diethylamino ethyl group and its solution property
Jiang X(江雪)1; Feng C(冯纯)1; Lu GL(陆国林)1; Huang XY(黄晓宇)1
2015
Source PublicationPolymer
Volume64Pages:268-276
AbstractA 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.
Subtype论文
Subject Area高分子化学
DOI10.1016/j.polymer.2015.01.050
URL查看原文
Indexed BySCI
Language英语
WOS IDWOS:000355241400034
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sioc.ac.cn/handle/331003/39845
Collection高分子材料研究室
Corresponding AuthorFeng C(冯纯); Huang XY(黄晓宇)
Affiliation1.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
GB/T 7714
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.
APA 江雪,冯纯,陆国林,&黄晓宇.(2015).Synthesis of temperature and pH/CO2 responsive homopolymer bearing oligo(ethylene glycol) unit and N,N-diethylamino ethyl group and its solution property.Polymer,64,268-276.
MLA 江雪,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".Polymer 64(2015):268-276.
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