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Thermoresponsive Homopolymer Tunable by pH and CO2
Alternative TitleThermoresponsive Homopolymer Tunable by pH and CO2
Jiang X(江雪); Feng C(冯纯); Lu GL(陆国林); Huang XY(黄晓宇)
Source PublicationACS Macro Lett.
AbstractA 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.
Subject Area高分子化学
Indexed BySCI
Citation statistics
Cited Times:48[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorFeng C(冯纯); Huang XY(黄晓宇)
Recommended Citation
GB/T 7714
Jiang X,Feng C,Lu GL,et al. Thermoresponsive Homopolymer Tunable by pH and CO2[J]. ACS Macro Lett.,2014,3(11):1121-1125.
APA 江雪,冯纯,陆国林,&黄晓宇.(2014).Thermoresponsive Homopolymer Tunable by pH and CO2.ACS Macro Lett.,3(11),1121-1125.
MLA 江雪,et al."Thermoresponsive Homopolymer Tunable by pH and CO2".ACS Macro Lett. 3.11(2014):1121-1125.
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