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The relationship between heterogeneous structures and phase separation in synthesis of uniform PolyDVB microspheres
Hao, Dong-Xia1; Gong, Fang-Ling1; Hu, Guo-Hua2,3; Lei, Jian-Du1; Ma, Guang-Hui1; Su, Zhi-Guo1; Ma, GH
2009-07-03
Source PublicationPOLYMER
ISSN0032-3861
Volume50Issue:14Pages:3188-3195
AbstractPolydivinylbenzene microspheres from microvoids, hollow to different porous structures were respectively fabricated by a combined route of membrane emulsification and suspension polymerization. The relationship between these structures and the phase separation behaviors in formation of these microspheres was investigated by in-situ tracking phototransmittance of polymerization system. Macrospores or hollow structure formed by non-solvating porogen often induced fast decline of transmittance and early phase separation, while micropores formed by solvating porogen lead to much slower declines of transmittance and later phase separation. Besides, the gelling point of polymerization system during phase separation process was found crucial to influence movements of phases in polymerization and thus the final heterogeneity of microspheres. The later gelling point occurred, the more heterogeneous structures such as hollow or microvoids of microspheres formed, while the early gelling point facilitated fabrication of small pores or non-porous structure (C) 2009 Elsevier Ltd. All rights reserved.
KeywordPhase Separation Heterogeneous Structure Polydivinylbenzene
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.polymer.2009.05.001
Indexed BySCI
Language英语
WOS KeywordSUSPENSION POLYMERIZATION ; HOLLOW MICROSPHERES ; POROUS STRUCTURE ; SURFACE-AREA ; DIVINYLBENZENE COPOLYMERS ; THIN-FILMS ; PARTICLES ; POLYSTYRENE ; MORPHOLOGY ; DROPLETS
WOS Research AreaPolymer Science
WOS SubjectPolymer Science
WOS IDWOS:000267859700018
Citation statistics
Cited Times:31[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6637
Collection生化工程国家重点实验室
Corresponding AuthorMa, GH
Affiliation1.Chinese Acad Sci, Natl Key Lab Biochem Engn, Inst Proc Engn, Beijing 100190, Peoples R China
2.CNRS ENSIC INPL, Lab Chem Engn Sci, F-54001 Nancy, France
3.Maison Univ, Inst Univ France, F-75005 Paris, France
Recommended Citation
GB/T 7714
Hao, Dong-Xia,Gong, Fang-Ling,Hu, Guo-Hua,et al. The relationship between heterogeneous structures and phase separation in synthesis of uniform PolyDVB microspheres[J]. POLYMER,2009,50(14):3188-3195.
APA Hao, Dong-Xia.,Gong, Fang-Ling.,Hu, Guo-Hua.,Lei, Jian-Du.,Ma, Guang-Hui.,...&Ma, GH.(2009).The relationship between heterogeneous structures and phase separation in synthesis of uniform PolyDVB microspheres.POLYMER,50(14),3188-3195.
MLA Hao, Dong-Xia,et al."The relationship between heterogeneous structures and phase separation in synthesis of uniform PolyDVB microspheres".POLYMER 50.14(2009):3188-3195.
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