JP2532796C - - Google Patents
Info
- Publication number
- JP2532796C JP2532796C JP2532796C JP 2532796 C JP2532796 C JP 2532796C JP 2532796 C JP2532796 C JP 2532796C
- Authority
- JP
- Japan
- Prior art keywords
- membrane
- hydrophilic
- pvdf
- temperature
- microporous
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000012528 membrane Substances 0.000 claims description 91
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 37
- 238000010438 heat treatment Methods 0.000 claims description 18
- 230000002209 hydrophobic Effects 0.000 claims description 15
- 229920000642 polymer Polymers 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 230000000379 polymerizing Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 229920001169 thermoplastic Polymers 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000001954 sterilising Effects 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 238000010981 drying operation Methods 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004971 Cross linker Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000000113 differential scanning calorimetry Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005660 hydrophilic surface Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000007870 radical polymerization initiator Substances 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 230000000717 retained Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 238000002424 x-ray crystallography Methods 0.000 description 1
Family
ID=
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3682897B2 (ja) | 高強度親水性ポリフッ化ビニリデン多孔質膜及びその製造方法 | |
| US4340482A (en) | Process for grafting amino acid molecules onto preformed polymer surfaces and products prepared thereby | |
| EP0186758B1 (fr) | Membrane poreuse avec surface hydrophile et procédé de sa fabrication | |
| JP4308948B2 (ja) | 親水性膜 | |
| JP2532796B2 (ja) | 均一ポリ二フッ化ビニリデン膜およびその製造方法 | |
| US4765897A (en) | Polyamide membranes useful for water softening | |
| US7067058B2 (en) | Hydrophilic membrane and process for making the same | |
| GB2190039A (en) | Microporous membrane structure | |
| JPH03196822A (ja) | 均質に混合可能なポリマー混合物から作られる半透膜 | |
| KR19990072935A (ko) | 하전모자이크막,하전모자이크막의제조방법,하전모자이크막의사용방법및하전모자이크막을구비한장치 | |
| US5196508A (en) | Method for making uniform polyvinylidene difluoride membranes | |
| Wang et al. | Preparation of hydrophilic poly (vinylidene fluoride) membrane by in‐situ grafting of N‐vinyl pyrrolidone via a reactive vapor induced phase separation procedure | |
| JP2532796C (fr) | ||
| JP6353057B2 (ja) | イオン交換ポリマー及びイオン交換ポリマーの製造方法 | |
| CN111909419B (zh) | 具有氟化的共聚物作为表面处理的多孔膜 | |
| JPH05507233A (ja) | 半透性複合膜 | |
| JPH04293528A (ja) | 分離膜の処理方法 | |
| JP3453056B2 (ja) | 荷電モザイク膜の製造方法 | |
| JPH02160037A (ja) | 感温性ゲルの製法 | |
| JPH0259030A (ja) | 耐熱親水化多孔質膜及びその製造方法 | |
| JPS5864102A (ja) | 逆浸透用複合膜の製造方法 | |
| JP7381860B2 (ja) | シルクフィブロイン成形体の製造方法 | |
| JP2018108583A (ja) | イオン交換ポリマー及びイオン交換ポリマーの製造方法 | |
| SU852896A1 (ru) | Способ получени пористого фильтро-ВАльНОгО МАТЕРиАлА | |
| JP2000072898A (ja) | イオン性膜の製造方法、イオン性膜、イオン性膜の使用方法及びイオン性膜を備えた装置 |