Chem. J. Chinese Universities ›› 2021, Vol. 42 ›› Issue (6): 2065.doi: 10.7503/cjcu20200627
• Polymer Chemistry • Previous Articles Next Articles
GAO Yifei1, XIAO Changfa2(
), JI Dawei3, HUANG Yangzheng1
Received:2020-08-28
Online:2021-06-10
Published:2021-06-08
Contact:
XIAO Changfa
E-mail:xiaochangfa@163.com
Supported by:CLC Number:
TrendMD:
GAO Yifei, XIAO Changfa, JI Dawei, HUANG Yangzheng. Preparation of PVDF Hollow Fiber Membranes via Melt Spinning-stretching Method and Its Oil-water Separation Performance[J]. Chem. J. Chinese Universities, 2021, 42(6): 2065.
| Composition(PVDF/FEP/PEG/CaCl2)(%, mass fraction) | 50/10/20/20 |
|---|---|
| Extrusion machine and spinneret temperature/°C | 230 |
| Bore fluid | N2 |
| Environment temperature/°C | 25±3 |
| Spinneret dimension(outer diameter/inner diameter)/mm | 4/2 |
| Composition(PVDF/FEP/PEG/CaCl2)(%, mass fraction) | 50/10/20/20 |
|---|---|
| Extrusion machine and spinneret temperature/°C | 230 |
| Bore fluid | N2 |
| Environment temperature/°C | 25±3 |
| Spinneret dimension(outer diameter/inner diameter)/mm | 4/2 |
| Membrane | Outer diameter/mm | Inner diameter/mm | Wall thickness/mm |
|---|---|---|---|
| M?0 | 2.84 | 1.80 | 0.52 |
| M?1 | 2.55 | 1.71 | 0.42 |
| M?2 | 2.35 | 1.59 | 0.38 |
| M?3 | 2.08 | 1.38 | 0.35 |
| Membrane | Outer diameter/mm | Inner diameter/mm | Wall thickness/mm |
|---|---|---|---|
| M?0 | 2.84 | 1.80 | 0.52 |
| M?1 | 2.55 | 1.71 | 0.42 |
| M?2 | 2.35 | 1.59 | 0.38 |
| M?3 | 2.08 | 1.38 | 0.35 |
| Membrane | Mean pore size/μm | Porosity(%) | Roughness/μm |
|---|---|---|---|
| M?0 | 0.1276 | 30.40±5.19 | 1.670 |
| M?1 | 0.3928 | 33.63±4.96 | 1.820 |
| M?2 | 0.4354 | 50.08±6.92 | 1.970 |
| M?3 | 0.4456 | 60.21±8.90 | 2.012 |
| Membrane | Mean pore size/μm | Porosity(%) | Roughness/μm |
|---|---|---|---|
| M?0 | 0.1276 | 30.40±5.19 | 1.670 |
| M?1 | 0.3928 | 33.63±4.96 | 1.820 |
| M?2 | 0.4354 | 50.08±6.92 | 1.970 |
| M?3 | 0.4456 | 60.21±8.90 | 2.012 |
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