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Integrated Ferroelectrics
An International Journal
Volume 169, 2016 - Issue 1: Proceedings of the Fourteenth China International Nanoscience and Technology Symposium (CINSTS15) Part I
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Original Articles

Preparation of hydrophilic polypropylene hollow fiber membranes by UV modification

Shu-Jing YangLaboratory for New Fiber Materials and Modern Textile, Growing Base for State Key Laboratory, College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, China
,
Bing YuLaboratory for New Fiber Materials and Modern Textile, Growing Base for State Key Laboratory, College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, China
,
Hai-Lin CongLaboratory for New Fiber Materials and Modern Textile, Growing Base for State Key Laboratory, College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, ChinaCorrespondence[email protected]
,
Qun LiuLaboratory for New Fiber Materials and Modern Textile, Growing Base for State Key Laboratory, College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, China
&
Ya-Teng JiLaboratory for New Fiber Materials and Modern Textile, Growing Base for State Key Laboratory, College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, China
Pages 83-89 | Received 28 Jul 2015, Accepted 03 Feb 2016, Published online: 06 May 2016
 
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abstract

A polypropylene hollow fiber membrane (PPHFM) was obtained by UV grafting polyacrylic acid (PAA) on the surface. The hydrophilicity of PPHFM was improved with water contact angle reduced from 82.3° to 73.6°. The photoinitiator and monomer concentration conditions had significant effects on the grafting rates. After modification, the pure water flux decreased, but the rejection rate was improved.

Funding

This work is financially supported by the Natural Science Foundation of China (21375069, 21404065, 21574072), the Natural Science Foundation for Distinguished Young Scientists of Shandong Province (JQ201403), the Project of Shandong Province Higher Educational Science and Technology Program (J15LC20), the Graduate Education Innovation Project of Shandong Province (SDYY14028), the Scientific Research Foundation for the Returned Overseas Chinese Scholars of State Education Ministry (20111568), and the Postdoctoral Scientific Research Foundation of Qingdao.

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