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Preparation and Characterization of Hydrogels with Lyotropic Liquid Crystallite as Template
Lu Cuixiang1,2; Du Zhuwei1; Li Haoran1; Lu, CX
2009-02-14
Source PublicationACTA CHIMICA SINICA
ISSN0567-7351
Volume67Issue:3Pages:238-244
AbstractPolyacrylamide (PAAm) hydrogels were synthesized by acrylamide polymerization in lyotropic liquid crystal (LLC) phase formed by surfactant Brij 58 solution. The morphology, structure and swelling property of the hydrogels were characterized. SEM images showed that photopolymerization of acrylamide monomers in organized assemblies with concentration between 10% and 40% formed highly ordered hydrogels. The pore size of the LLC hydrogels was 1 similar to 2 mu m, which was about one fortieth of that of the traditional hydrogel. Phase reversal and phase separation occurred when concentration of Brij 58 was higher than 50%. Porosity of the hydrogels decreased with the increase of Brij 58 concentration. Characteristic peaks of FTIR spectra corresponding to carbonyl and amino groups shifted to lower wavenumber, indicating that more inter-molecular hydrogen bonds in LLC PAAm hydrogels. The LLC hydrogel kept the characteristic feature of sensitivity to pH as traditional hydrogel and a higher swelling ratio could be achieved.
KeywordPolyacrylamide Lyotropic Liquid Crystal (Llc) Hydrogel Swelling Ratio
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
Language英语
WOS KeywordPHOTOPOLYMERIZATION ; POLYMERS ; BEHAVIOR
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000264250600010
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6725
Collection生化工程国家重点实验室
Corresponding AuthorLu, CX
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Natl Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Lu Cuixiang,Du Zhuwei,Li Haoran,et al. Preparation and Characterization of Hydrogels with Lyotropic Liquid Crystallite as Template[J]. ACTA CHIMICA SINICA,2009,67(3):238-244.
APA Lu Cuixiang,Du Zhuwei,Li Haoran,&Lu, CX.(2009).Preparation and Characterization of Hydrogels with Lyotropic Liquid Crystallite as Template.ACTA CHIMICA SINICA,67(3),238-244.
MLA Lu Cuixiang,et al."Preparation and Characterization of Hydrogels with Lyotropic Liquid Crystallite as Template".ACTA CHIMICA SINICA 67.3(2009):238-244.
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