ICCAS OpenIR
Correlation between gel-forming ability, supramolecular aggregates and main-chain conformation of dendronized polymer gelators
Zhang, Zijian1,2; Yang, Miao1,2; Hu, Changyu1,2; Liu, Bo1,2; Hu, Minbiao1,2; Zhang, Xinjun1,2; Wang, Wei1,2; Zhou, Yunchun3,4; Wang, Hanfu3,4
2011
Source PublicationNEW JOURNAL OF CHEMISTRY
ISSN1144-0546
Volume35Issue:1Pages:103-110
AbstractDendronized polymer (DP) gelators were prepared via complexation of a dendritic gelator of the poly(urethane amide) dendron, which contains an ionizing carboxyl group on the apexes, with three positively charged polyelectrolytes. All these complexes could form organogels in toluene, and their gel properties were studied through determination of their minimum gelation concentration and characterization of the networked supramolecular structures formed in their gel-phase using TEM, AFM and SAXS. Our findings showed great differences in the gel-forming ability and supramolecular structure among these gelators. A simple simulation on the conformations of the three polyelectrolytes illustrated that the differences came mainly from the polyelectrolyte conformations which produced different distribution and orientation of the dendritic gelators along the backbones. When the backbone could induce the dendritic gelators to form a pre-ordered structure before gelation, the DP gelator would form nice supramolecular aggregates showing an enhanced gel-forming ability. Without this, the gel-forming ability would not be enhanced.
DOI10.1039/c0nj00371a
Indexed BySCI
Language英语
WOS IDWOS:000285515400016
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/72084
Collection中国科学院化学研究所
Corresponding AuthorWang, Wei
Affiliation1.Nankai Univ, Ctr Synthet Soft Mat, Key Lab Funct Polymer Mat, Minist Educ, Tianjin 300071, Peoples R China
2.Nankai Univ, Inst Polymer Chem, Tianjin 300071, Peoples R China
3.Chinese Acad Sci, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
4.Chinese Acad Sci, Changchun Inst Appl Chem, Changchun 130022, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Zijian,Yang, Miao,Hu, Changyu,et al. Correlation between gel-forming ability, supramolecular aggregates and main-chain conformation of dendronized polymer gelators[J]. NEW JOURNAL OF CHEMISTRY,2011,35(1):103-110.
APA Zhang, Zijian.,Yang, Miao.,Hu, Changyu.,Liu, Bo.,Hu, Minbiao.,...&Wang, Hanfu.(2011).Correlation between gel-forming ability, supramolecular aggregates and main-chain conformation of dendronized polymer gelators.NEW JOURNAL OF CHEMISTRY,35(1),103-110.
MLA Zhang, Zijian,et al."Correlation between gel-forming ability, supramolecular aggregates and main-chain conformation of dendronized polymer gelators".NEW JOURNAL OF CHEMISTRY 35.1(2011):103-110.
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