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学科主题: 高分子化学
题名: Thermoresponsive Homopolymer Tunable by pH and CO2
其他题名: Thermoresponsive Homopolymer Tunable by pH and CO2
作者: Jiang X(江雪); Feng C(冯纯); Lu GL(陆国林); Huang XY(黄晓宇)
通讯作者: 冯纯 ; 黄晓宇
刊名: ACS Macro Lett.
发表日期: 2014
DOI: 10.1021/mz5005822
卷: 3, 期:11, 页:1121-1125
收录类别: SCI
英文摘要: A new acrylamide monomer bearing isopropylamide and N,N-diethylamino ethyl groups in the side chain, i.e., N-(2-(diethylamino)ethyl)-N-(3-(isopropylarnino)-3-oxopropyl)acrylamide (DEAE-NIPAM-AM), was synthesized through Aza-Michael addition reaction followed by amidation with acryloyl chloride. The homopolymers, poly(N-(2(-diethylarnino)ethyl)-N-(3-(isopropylamino)-3-oxopropyl)- acrylarnide)s [poly(DEAE-NIPAM-AM)], with controlled molecular weights and relatively narrow molecular weight distributions were then prepared via RAFT polymerization. The lower critical solution temperature (LCST) of the homopolymer was examined to be influenced by molecular weight, salt concentration, and pH value of aqueous solution. The LCST of the homopolymer could be tuned in a wide temperature window by changing the 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 adds or bases.
语种: 英语
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/38912
Appears in Collections:高分子材料研究室_期刊论文

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作者单位: 中科院上海有机化学研究所

Recommended Citation:
Jiang X,Feng C,Lu GL,et al. Thermoresponsive Homopolymer Tunable by pH and CO2[J]. ACS Macro Lett.,2014,3(11):1121-1125.
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