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Investigation of Formation for Poly(vinylidene fluoride) Membrane Using Thermally Induced Phase Separation
- Authors
- Lee, Jeong Woo; Im, Kwang Seop; Nam, Sang Yong
- Issue Date
- Nov-2020
- Publisher
- American Scientific Publishers
- Keywords
- Silica; Dibutyl Phthalate; Dioctyl Phthalate; Phase Diagram; Polyvinylidene Fluoride; Morphology
- Citation
- Journal of Nanoscience and Nanotechnology, v.20, no.11, pp 7140 - 7144
- Pages
- 5
- Indexed
- SCIE
- Journal Title
- Journal of Nanoscience and Nanotechnology
- Volume
- 20
- Number
- 11
- Start Page
- 7140
- End Page
- 7144
- ISSN
- 1533-4880
1533-4899
- Abstract
- In this study, thermally induced phase separation (TIPS) was used to fabricate a water treatment membrane composed of poly(vinylidene fluoride) (PVDF) and silica. Dioctyl phthalate (DOP) and dibutyl phthalate (DBP) were used as diluents. Crystallization temperature, cloud point, and morphology were observed to investigate the conditions of PVDF/silica/diluent membrane preparation. SEM revealed that the porosity of the membranes was increased with an increase in silica content. Phase diagram and morphology results revealed that 50 wt% PVDF +silica with a PVDF:silica weight ratio of 4.5:1 is the best composition for manufacturing a porous membrane.
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Collections - 공학계열 > Dept.of Materials Engineering and Convergence Technology > Journal Articles
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