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Interaction of sodium and potassium ions with PEO-PPO copolymer investigated by FTIR, Raman and NMR
Alternative TitleVib. Spectrosc.
Li, Xiaopei1,2,3; Huang, Kun1; Xu, Yizhuang3; Liu, Huizhou1
2014-11-01
Source PublicationVIBRATIONAL SPECTROSCOPY
ISSN0924-2031
Volume75Issue:novPages:59-64
AbstractMany papers have reported that salt ions can exert a great influence on the self-assembly behavior of PEO-PPO copolymers in the aqueous solution. Whereas the mechanism through which salt ions influence the self-assembly behavior of PEO-PPO copolymers is unclear and the dispute is mainly focused on whether the salt ions have a direct interaction with PEO-PPO copolymers. In this paper, the interaction of sodium and potassium ions with PEO-PPO copolymer was investigated by using FTIR, Raman and Na-23 NMR spectroscopy. Experimental results reveal that direct interactions between salt cations and PEO-PPO macromolecular chains indeed occur in appropriate conditions. The present work highlights the role of cations in the self-assembly process of PEO-PPO copolymer. (C) 2014 Elsevier B.V. All rights reserved.; Many papers have reported that salt ions can exert a great influence on the self-assembly behavior of PEO-PPO copolymers in the aqueous solution. Whereas the mechanism through which salt ions influence the self-assembly behavior of PEO-PPO copolymers is unclear and the dispute is mainly focused on whether the salt ions have a direct interaction with PEO-PPO copolymers. In this paper, the interaction of sodium and potassium ions with PEO-PPO copolymer was investigated by using FTIR, Raman and Na-23 NMR spectroscopy. Experimental results reveal that direct interactions between salt cations and PEO-PPO macromolecular chains indeed occur in appropriate conditions. The present work highlights the role of cations in the self-assembly process of PEO-PPO copolymer. (C) 2014 Elsevier B.V. All rights reserved.
KeywordPeo-ppo Copolymer Self-assembly Interactions Cations Vibrational Band Shift
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.vibspec.2014.10.001
URL查看原文
Indexed BySCI
Language英语
WOS KeywordDIFFERENTIAL SCANNING CALORIMETRY ; OXIDE) TRIBLOCK COPOLYMERS ; BLOCK-COPOLYMER ; AQUEOUS-SOLUTIONS ; POLY(ETHYLENE OXIDE) ; PHASE-SEPARATION ; AGGREGATION BEHAVIOR ; HOFMEISTER SERIES ; MICELLIZATION ; SALT
WOS Research AreaChemistry ; Spectroscopy
WOS SubjectChemistry, Analytical ; Chemistry, Physical ; Spectroscopy
WOS IDWOS:000347022400008
Citation statistics
Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/11777
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Peking Univ, Coll Chem & Mol Engn, State Key Lab Rare Earth Mat Chem & Applicat, Being Natl Lab Mol Sci, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Li, Xiaopei,Huang, Kun,Xu, Yizhuang,et al. Interaction of sodium and potassium ions with PEO-PPO copolymer investigated by FTIR, Raman and NMR[J]. VIBRATIONAL SPECTROSCOPY,2014,75(nov):59-64.
APA Li, Xiaopei,Huang, Kun,Xu, Yizhuang,&Liu, Huizhou.(2014).Interaction of sodium and potassium ions with PEO-PPO copolymer investigated by FTIR, Raman and NMR.VIBRATIONAL SPECTROSCOPY,75(nov),59-64.
MLA Li, Xiaopei,et al."Interaction of sodium and potassium ions with PEO-PPO copolymer investigated by FTIR, Raman and NMR".VIBRATIONAL SPECTROSCOPY 75.nov(2014):59-64.
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