ICCAS OpenIR
Formation and structural evolution of biphenyl polyamide thin film on hollow fiber membrane during interfacial polymerization
Liu, Yu1; He, Benqiao1; Li, Jianxin1,2; Sanderson, Ron D.3; Li, Lei4; Zhang, Suobo4
2011-05-01
Source PublicationJOURNAL OF MEMBRANE SCIENCE
ISSN0376-7388
Volume373Issue:1-2Pages:98-106
AbstractA novel reverse osmosis hollow fiber membrane was prepared by interfacial polymerization from 3,3',5,5'-biphenyl tetraacyl chloride and m-phenylenediamine on a polysulfone hollow fiber membrane. The structural evolution of biphenyl polyamide thin film during interfacial polymerization was monitored by attenuated total reflectance infrared, X-ray photoelectron spectroscopy and atom force microscopy. The relationship between the structure and separation properties of the membranes was investigated. Results show that the biphenyl polyamide thin film had a three-layer structure: a loose initial layer with a low cross-linked structure, a dense middle layer with a high cross-linked structure and a loose surface layer with a low cross-linked structure. The dense middle layer had an intrinsic cross-linked structure with over 86.0% amide bonds (-CONH-) and below 14.0% carboxylic groups (-COOH), mainly responsible for separation. A growth model of the biphenyl polyamide thin film was proposed to describe the structural evolution process during interfacial polymerization. (C) 2011 Elsevier B.V. All rights reserved.
KeywordReverse Osmosis Aromatic Polyamide Biphenyl Polyamide Thin Film Hollow Fiber Membrane Cross-linked Structure
DOI10.1016/j.memsci.2011.02.045
Indexed BySCI
Language英语
WOS IDWOS:000290421900013
PublisherELSEVIER SCIENCE BV
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Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/72832
Collection中国科学院化学研究所
Corresponding AuthorHe, Benqiao
Affiliation1.Tianjin Polytech Univ, State Key Lab Hollow Fiber Membrane Mat & Proc, Sch Mat Sci & Engn, Tianjin 300160, Peoples R China
2.Chinese Acad Sci, Shanghai Adv Res Inst, Shanghai 201203, Peoples R China
3.Univ Stellenbosch, Dept Chem & Polymer Sci, UNESCO Associated Ctr Macromol & Mat, ZA-7602 Matieland, South Africa
4.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
Recommended Citation
GB/T 7714
Liu, Yu,He, Benqiao,Li, Jianxin,et al. Formation and structural evolution of biphenyl polyamide thin film on hollow fiber membrane during interfacial polymerization[J]. JOURNAL OF MEMBRANE SCIENCE,2011,373(1-2):98-106.
APA Liu, Yu,He, Benqiao,Li, Jianxin,Sanderson, Ron D.,Li, Lei,&Zhang, Suobo.(2011).Formation and structural evolution of biphenyl polyamide thin film on hollow fiber membrane during interfacial polymerization.JOURNAL OF MEMBRANE SCIENCE,373(1-2),98-106.
MLA Liu, Yu,et al."Formation and structural evolution of biphenyl polyamide thin film on hollow fiber membrane during interfacial polymerization".JOURNAL OF MEMBRANE SCIENCE 373.1-2(2011):98-106.
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