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Gel Structure of the 17R4/F127 Mixed Solutions
Alternative Title17R4/F127混合水溶液的凝胶结构
Xie, Y; Lu, ZY; Sun, ZY; An, LJ; Li, XH; Wu, ZH; Wu ZH(吴忠华)
2013
Source PublicationCHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
ISSN0251-0790
Volume34Issue:6Pages:1521-1526
Abstract

Rheology and small angle X-ray scattering(SAXS) were used to study the effect of the content of 17R4(PO14EO24PO14) and temperature on the gel structure of the 17R4/F127(EO99PO65EO99) mixed solutions. It was indicated that the structures of sol, soft gel and hard gel were corresponding to disorder phase, disorder/cubic coexisted phase and cubic phase. With increasing temperature, hard sphere radius and aggregation number of micelle decreased. For pure 17R4, it is difficult to form micelles. However, when the temperature was increased, 17R4 chains took part in the formation of micelles and therefore the number of micelles increased, which made the number of F127 chains in one micelle decrease. Thus, the number of PEO blocks of F127 in coronal part decreased and then the coronal part became softer. As a result, a fcc-bcc transition occurred in the system with 17R4/F127 molar ratio of 2.

KeywordGel Structure Small Angle X-ray Scattering Rheology Poly(Ethylene Oxide)-Poly(Propylene Oxide)-Poly(Ethylene Oxide) (Peo-ppo-peo) Poly(Propylene Oxide)-Poly(Ethylene Oxide)-Poly(Propylene Oxide) (Ppo-peo-ppo)
Subject AreaChemistry
DOI10.7503/cjcu20130040
Indexed BySCI
Language中文
WOS IDWOS:000321080000035
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/224146
Collection多学科研究中心
Recommended Citation
GB/T 7714
Xie, Y,Lu, ZY,Sun, ZY,et al. Gel Structure of the 17R4/F127 Mixed Solutions[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2013,34(6):1521-1526.
APA Xie, Y.,Lu, ZY.,Sun, ZY.,An, LJ.,Li, XH.,...&Wu ZH.(2013).Gel Structure of the 17R4/F127 Mixed Solutions.CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,34(6),1521-1526.
MLA Xie, Y,et al."Gel Structure of the 17R4/F127 Mixed Solutions".CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE 34.6(2013):1521-1526.
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