Abstract
Poly(vinylidene fluoride) (PVDF)/chitin (CH) blend membranes were prepared via the method of immersion-precipitation phase transformation with the solvent system N,N-dimethylacetamide (DMAc)/lithium chloride (LiCl) as solvent and water as coagulant. The effect of CH on membrane structure and performance was investigated. Owing to the strong hydrophilicity, CH chains enriched on the blend membrane surface and improved the hydrophilicity of the membrane. The addition of CH also led to the formation of finger-like pores and the increase of pore size and porosity. The flux and the flux recovery ratio (FRR) of the blend membrane were higher than that of pure PVDF membrane. The fouling resistance of the blend membrane was lower than that of PVDF original membrane. In a word, the addition of CH to PVDF membrane improved the hydrophilicity and the anti-fouling ability of PVDF membrane.
Funding source: National Natural Science Foundation of China
Award Identifier / Grant number: 14JCTPJC00522
Award Identifier / Grant number: 14JCZDJC38300
Funding statement: The authors would like to acknowledge the financial support from the National Natural Science Foundation of China (51303129 and 21174103), the Program for Natural Science Foundation of Tianjin (14JCTPJC00522 and 14JCZDJC38300) and the Specialized Research Fund for the Doctoral Program of Higher Education of China (20121201120005 and 20121201110003).
Acknowledgments
The authors would like to acknowledge the financial support from the National Natural Science Foundation of China (51303129 and 21174103), the Program for Natural Science Foundation of Tianjin (14JCTPJC00522 and 14JCZDJC38300) and the Specialized Research Fund for the Doctoral Program of Higher Education of China (20121201120005 and 20121201110003).
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©2017 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Original articles
- Pulverization of end-of-life tires by ultra-high pressure water jet process
- Tribological behavior and morphology of PTFE particulate-reinforced POM matrix composites
- Effect of the matrix plasticization behavior on mechanical properties of PVC/ABS blends
- Bulk cure study of nanoclay filled epoxy glass fiber reinforced composite material
- Improvement of interlaminar shear strength of 2.5D fabric laminated composites with short-cut web interlayer
- Optimizing of vented injection molding on mechanical performance and miscibility of recycled poly(ethylene terephthalate) and polycarbonate blends
- Comparison of material properties in butt welds of used and unused polyethylene pipes for natural gas distribution
- Enhancing the potential of employing thermosetting powder recyclates as filler in LLDPE by structural modifications
- Micro-roughening of polyamide fabric using protease enzyme for improving adhesion strength of rubber-polyamide composite
- The real time optical transmittance of swollen heterogeneous natural rubber/poly (ethylene-co-vinyl acetate) blends
- Preparation and characterization of anti-fouling PVDF membrane modified by chitin
Articles in the same Issue
- Frontmatter
- Original articles
- Pulverization of end-of-life tires by ultra-high pressure water jet process
- Tribological behavior and morphology of PTFE particulate-reinforced POM matrix composites
- Effect of the matrix plasticization behavior on mechanical properties of PVC/ABS blends
- Bulk cure study of nanoclay filled epoxy glass fiber reinforced composite material
- Improvement of interlaminar shear strength of 2.5D fabric laminated composites with short-cut web interlayer
- Optimizing of vented injection molding on mechanical performance and miscibility of recycled poly(ethylene terephthalate) and polycarbonate blends
- Comparison of material properties in butt welds of used and unused polyethylene pipes for natural gas distribution
- Enhancing the potential of employing thermosetting powder recyclates as filler in LLDPE by structural modifications
- Micro-roughening of polyamide fabric using protease enzyme for improving adhesion strength of rubber-polyamide composite
- The real time optical transmittance of swollen heterogeneous natural rubber/poly (ethylene-co-vinyl acetate) blends
- Preparation and characterization of anti-fouling PVDF membrane modified by chitin