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Detailed exploration of structure formation of an epoxy-based monolith with three-dimensional bicontinuous structure
Mi, Yace1,2; Zhou, Weiqing1; Li, Qiang1; Zhang, Donglai1; Zhang, Rongyue1; Ma, Guanghui1; Su, Zhiguo1
2015
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume5Issue:68Pages:55419-55427
Abstract

To explore a clear formation mechanism of a three-dimensional (3D) bicontinuous skeleton and control the structure of an epoxy-based monolith, we have prepared the monolith using a mixture of good and poor solvents. The influences of reaction and phase separation parameters, such as molecular weights and content of porogenic poor solvents, porogenic good solvent concentration, equivalent ratio of epoxy group to amine and reaction temperature on the final morphology are systematically studied by monitoring the reaction process with differential scanning calorimetry (DSC) and observing the cloud points (CP). Depending on the above parameters, the resultant morphology can be varied ranging from closed pore structure to globules aggregated structure, which was controlled by the competitive kinetics between the domain coarsening and the structure freezing. The optimized monoliths with uniform and controllable pores have great potential for application in chromatographic separation, membrane filters, and membrane emulsification.

SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1039/c5ra08549g
Indexed BySCI
Language英语
WOS KeywordINDUCED PHASE-SEPARATION ; TRANSFER RADICAL POLYMERIZATION ; POROUS PROPERTIES ; PHOTOINITIATED POLYMERIZATION ; THERMOSETTING POLYMERS ; DESIGN ; PERFORMANCE ; MORPHOLOGY ; GELS
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000357051100077
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/19314
Collection生化工程国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Natl Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Mi, Yace,Zhou, Weiqing,Li, Qiang,et al. Detailed exploration of structure formation of an epoxy-based monolith with three-dimensional bicontinuous structure[J]. RSC ADVANCES,2015,5(68):55419-55427.
APA Mi, Yace.,Zhou, Weiqing.,Li, Qiang.,Zhang, Donglai.,Zhang, Rongyue.,...&Su, Zhiguo.(2015).Detailed exploration of structure formation of an epoxy-based monolith with three-dimensional bicontinuous structure.RSC ADVANCES,5(68),55419-55427.
MLA Mi, Yace,et al."Detailed exploration of structure formation of an epoxy-based monolith with three-dimensional bicontinuous structure".RSC ADVANCES 5.68(2015):55419-55427.
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