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In-situ synthesis of PHEMA magnetic nanogels via photochemical method
Gong, PJ(龚培军); Sun, HW(孙汉文); Hong, J; Xu, DM(徐冬梅); Yao, SD(姚思德); Yao, SD (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
2007
Source PublicationSCIENCE IN CHINA SERIES B-CHEMISTRY
ISSN1006-9291
Volume50Issue:2Pages:217
AbstractOne-pot synthesis of magnetic nanogels via photochemical method is reported in this paper. Poly(2-hydroxyethyl methacrylate)(PHEMA) magnetic nanogels are synthesized by in-situ polymerization of 2-hydroxyethyl methacrylate (HEMA) and N,N'-methylene-bis-(acrylamide)(MBA) in Fe3O4 aqueous suspension under UV irradiation. The structure and compositions of magnetic nanogels are characterized by FTIR, TGA, SEM, TEM and PCS. TGA measurement indicates that magnetic nanogels contain 90% magnetite. Both naked Fe3O4 and magnetic nanogels are superparamagnatic at room temperature according to magnetization curves. The swollen capability of the hydrogel shell is proved by contrasting the particles sizes obtained by SEM, TEM and PCS. Particle diameters can be manipulated by changing monomer concentration and irradiation time. A mechanism of the coating process is proposed.
KeywordMagnetic Nanogels Photochemical Polymerization 2-hydroxyethyl Methacrylate Superparamagnetic
Subject AreaScience & Technology - Other Topics
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000247154900009
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/8300
Collection中科院上海应用物理研究所2004-2010年
Corresponding AuthorYao, SD (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Recommended Citation
GB/T 7714
Gong, PJ,Sun, HW,Hong, J,et al. In-situ synthesis of PHEMA magnetic nanogels via photochemical method[J]. SCIENCE IN CHINA SERIES B-CHEMISTRY,2007,50(2):217.
APA Gong, PJ,Sun, HW,Hong, J,Xu, DM,Yao, SD,&Yao, SD .(2007).In-situ synthesis of PHEMA magnetic nanogels via photochemical method.SCIENCE IN CHINA SERIES B-CHEMISTRY,50(2),217.
MLA Gong, PJ,et al."In-situ synthesis of PHEMA magnetic nanogels via photochemical method".SCIENCE IN CHINA SERIES B-CHEMISTRY 50.2(2007):217.
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