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Structure of triblock copolymers by Fourier transform Raman spectroscopy
Alternative TitleChin. J. Anal. Chem.
Wang, J; Guo, C; Liu, HZ
2001-01-20
Source PublicationCHINESE JOURNAL OF ANALYTICAL CHEMISTRY
ISSN0253-3820
Volume29Issue:1Pages:35-37
AbstractFourier transform Raman (FT-Raman) spectra of poly( ethylene oxide)-poly(propylene oxide)-poly(ethyl oxide) (PEO-PPO-PEO) triblock copolymers as pure samples have examined. The qualitative feature in Raman spectra of these copolymer has been presented. The Raman spectra of PEO-PPO-PEO block copolymer are very sensitive to the structural and conformational changes. It shows that the relative intensities of several peaks in Raman spectra are dependent on the PPO/PEO ratios and the conformation of the copolymers. From Raman spectra, pluronic F88 and F68 assume helical structures. Other block copolymers exhibit that the disordered structure increases with increasing PPO/PEO ratio.; Fourier transform Raman (FT-Raman) spectra of poly( ethylene oxide)-poly(propylene oxide)-poly(ethyl oxide) (PEO-PPO-PEO) triblock copolymers as pure samples have examined. The qualitative feature in Raman spectra of these copolymer has been presented. The Raman spectra of PEO-PPO-PEO block copolymer are very sensitive to the structural and conformational changes. It shows that the relative intensities of several peaks in Raman spectra are dependent on the PPO/PEO ratios and the conformation of the copolymers. From Raman spectra, pluronic F88 and F68 assume helical structures. Other block copolymers exhibit that the disordered structure increases with increasing PPO/PEO ratio.
KeywordFourier Transform-raman Spectroscopy Poly(Ethylene Oxide)-Poly(Propylene Oxide)-Poly(Ethylene Oxide) Triblock coPolymer
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
URL查看原文
Indexed BySCI
Language英语
WOS KeywordOXIDE)-B-POLY(ETHYLENE OXIDE) COPOLYMERS ; BLOCK-COPOLYMERS ; AQUEOUS-SOLUTIONS ; SURFACE-ACTIVITY ; POLY(ETHYLENE ; MICELLIZATION
WOS Research AreaChemistry
WOS SubjectChemistry, Analytical
WOS IDWOS:000166584000009
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5790
Collection研究所(批量导入)
AffiliationChinese Acad Sci, Inst Chem Met, Young Scientist Lab Separat Sci & Engn, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Wang, J,Guo, C,Liu, HZ. Structure of triblock copolymers by Fourier transform Raman spectroscopy[J]. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,2001,29(1):35-37.
APA Wang, J,Guo, C,&Liu, HZ.(2001).Structure of triblock copolymers by Fourier transform Raman spectroscopy.CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,29(1),35-37.
MLA Wang, J,et al."Structure of triblock copolymers by Fourier transform Raman spectroscopy".CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 29.1(2001):35-37.
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