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Preparation of open cellular PMMA microspheres by supercritical carbon dioxide foaming
Huang, SR; Wu, GZ(吴国忠); Chen, SM(陈仕谋); Wu, GH (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
2007
Source PublicationJOURNAL OF SUPERCRITICAL FLUIDS
ISSN0896-8446
Volume40Issue:2Pages:323
AbstractPoly(methyl methacrylate) (PMMA) microspheres with a nonporous skin and open cellular core structure were obtained by supercritical carbon dioxide foaming via a pressure quench method. The microspheres were characterized by particle size analyzer, scanning electron microscopy (SEM), and transmission electron microscopy (TEM). Effects of foaming conditions such as CO2 pressure, temperature, and cell growth time on the particle size, size distribution, and morphology of the PMMA microspheres were investigated in detail. It was found that higher foaming temperature and higher pressure resulted in an increase of particle size. However, a longer cell growth time caused a decrease in size of the foamed PMMA microspheres. (C) 2006 Elsevier B.V. All rights reserved.
KeywordPmma Microspheres Supercritical Carbon Dioxide Foaming Open Cellular Pores
Subject AreaChemistry ; Materials Science
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000244588700020
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/8168
Collection中科院上海应用物理研究所2004-2010年
Corresponding AuthorWu, GH (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Recommended Citation
GB/T 7714
Huang, SR,Wu, GZ,Chen, SM,et al. Preparation of open cellular PMMA microspheres by supercritical carbon dioxide foaming[J]. JOURNAL OF SUPERCRITICAL FLUIDS,2007,40(2):323.
APA Huang, SR,Wu, GZ,Chen, SM,&Wu, GH .(2007).Preparation of open cellular PMMA microspheres by supercritical carbon dioxide foaming.JOURNAL OF SUPERCRITICAL FLUIDS,40(2),323.
MLA Huang, SR,et al."Preparation of open cellular PMMA microspheres by supercritical carbon dioxide foaming".JOURNAL OF SUPERCRITICAL FLUIDS 40.2(2007):323.
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