Journal
SOFT MATTER
Volume 14, Issue 42, Pages 8660-8665Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8sm01637b
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Funding
- National Natural Science Foundation of China [21574072, 21675091, 21874078]
- Taishan Young Scholar Program of Shandong Province [tsqn20161027]
- Major Science and Technology Innovation Project of Shandong Province [2018CXGC1407]
- Key Research and Development Project of Shandong Province [2016GGX102028, 2016GGX102039, 2017GGX20111]
- Project of Shandong Province Higher Educational Science and Technology Program [J15LC20]
- People's Livelihood Science and Technology Project of Qingdao [166257nsh, 173378nsh]
- Innovation Leader Project of Qingdao [168325zhc]
- First Class Discipline Project of Shandong Province
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Highly permeable pocket-shaped microfiltration membranes with binary porous structures, which are composed of brominated poly(2,6-dimethyl-1,4-phenylene oxide) (BPPO), were prepared on needles by breath figure (BF) and colloidal crystal template (CCT) methods. In colloidal crystal templates, the membrane pore size in the bottom layer was adjusted by SiO2 microsphere diameter in the colloidal crystal template, while that in the top layer was adjusted by changing the BPPO concentration. The permeability of the binary porous membrane prepared by BF and CCT methods was higher than that of membranes only prepared by the BF method. Due to high permeability and antifouling properties, the pocket shaped binary porous membrane was connected to a syringe and used as a filter film in microfiltration and sample preparation fields.
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