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pH and thermal-dependent ultrafiltration membranes prepared from poly (methacrylic acid) grafted onto polyethersulfone synthesized by simultaneous irradiation in homogenous phase
Fan, K; Huang, JX; Yang, HJ; Lu, RS; Sun, XQ; Hu, J; Hou, ZC
2017
Source PublicationJOURNAL OF MEMBRANE SCIENCE
ISSN0376-7388
Volume543Issue:-Pages:335-341
Subtype期刊论文
Abstract

Polyethersulfone (PES) and monomer methacrylic acid (MAA) were chosen to synthesize the grafted polymer PES-g-PMAA by simultaneous gamma-ray irradiation in homogenous phase. Membranes prepared from pristine PES and PES-g-PMAA with different degrees of grafting (DGs), have been obtained. The kinetics of grafting reaction and the DG values were studied through sulphur elemental analysis. The morphology study of the membranes showed formation of sponge-like structure in the sub-layer of membrane, along with grafting PMAA onto the PES chains. By ultrafiltration experiments, a regular pH-dependent permeability and thermal-dependent permeability of PES-g-PMAA membranes was demonstrated through introduction of PMAA onto the PES which reduced the water flux of the membranes. The pH-dependent permeability could be attributed to pH-sensitive reconfiguration of PMAA molecule chains on the surface of membrane pore, while thermal-dependent permeability might be caused by better thermal-sensibility of PMAA chains inside the membrane.

KeywordInversion Membranes Molecular-weight Acrylic-acid Microstructures Sensitivity Performance Property Film
DOI10.1016/j.memsci.2017.08.063
Indexed BySCI
WOS KeywordINVERSION MEMBRANES ; MOLECULAR-WEIGHT ; ACRYLIC-ACID ; MICROSTRUCTURES ; SENSITIVITY ; PERFORMANCE ; PROPERTY ; FILM
Language英语
WOS IDWOS:000411334200034
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/28768
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Fan, K,Huang, JX,Yang, HJ,et al. pH and thermal-dependent ultrafiltration membranes prepared from poly (methacrylic acid) grafted onto polyethersulfone synthesized by simultaneous irradiation in homogenous phase[J]. JOURNAL OF MEMBRANE SCIENCE,2017,543(-):335-341.
APA Fan, K.,Huang, JX.,Yang, HJ.,Lu, RS.,Sun, XQ.,...&Hou, ZC.(2017).pH and thermal-dependent ultrafiltration membranes prepared from poly (methacrylic acid) grafted onto polyethersulfone synthesized by simultaneous irradiation in homogenous phase.JOURNAL OF MEMBRANE SCIENCE,543(-),335-341.
MLA Fan, K,et al."pH and thermal-dependent ultrafiltration membranes prepared from poly (methacrylic acid) grafted onto polyethersulfone synthesized by simultaneous irradiation in homogenous phase".JOURNAL OF MEMBRANE SCIENCE 543.-(2017):335-341.
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