JP2005177741A5 - - Google Patents
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- Publication number
- JP2005177741A5 JP2005177741A5 JP2004313493A JP2004313493A JP2005177741A5 JP 2005177741 A5 JP2005177741 A5 JP 2005177741A5 JP 2004313493 A JP2004313493 A JP 2004313493A JP 2004313493 A JP2004313493 A JP 2004313493A JP 2005177741 A5 JP2005177741 A5 JP 2005177741A5
- Authority
- JP
- Japan
- Prior art keywords
- semipermeable membrane
- composite semipermeable
- functional layer
- membrane
- compound
- 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.)
- Pending
Links
- 239000012528 membrane Substances 0.000 claims description 39
- 239000002131 composite material Substances 0.000 claims description 23
- 239000002346 layers by function Substances 0.000 claims description 18
- 238000000926 separation method Methods 0.000 claims description 16
- 150000001875 compounds Chemical class 0.000 claims description 15
- 239000000243 solution Substances 0.000 claims description 12
- 239000007864 aqueous solution Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 claims description 8
- 125000003277 amino group Chemical group 0.000 claims description 8
- 125000003118 aryl group Chemical group 0.000 claims description 7
- 239000004952 Polyamide Substances 0.000 claims description 6
- 150000001412 amines Chemical class 0.000 claims description 6
- 239000012954 diazonium Substances 0.000 claims description 6
- 229920002647 polyamide Polymers 0.000 claims description 6
- 150000001989 diazonium salts Chemical class 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 150000004820 halides Chemical class 0.000 claims description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000002407 reforming Methods 0.000 claims description 3
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 238000006068 polycondensation reaction Methods 0.000 claims description 2
- 150000003142 primary aromatic amines Chemical class 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- 238000002834 transmittance Methods 0.000 claims description 2
- 238000009736 wetting Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- -1 aromatic amino group diazonium salt Chemical class 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920002492 poly(sulfone) Polymers 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 235000010288 sodium nitrite Nutrition 0.000 description 2
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004313493A JP2005177741A (ja) | 2003-11-26 | 2004-10-28 | 半透膜の処理方法ならびに改質半透膜およびその製造方法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003395099 | 2003-11-26 | ||
| JP2004313493A JP2005177741A (ja) | 2003-11-26 | 2004-10-28 | 半透膜の処理方法ならびに改質半透膜およびその製造方法 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010276760A Division JP2011125856A (ja) | 2003-11-26 | 2010-12-13 | 複合半透膜の製造方法およびポリアミド複合半透膜 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005177741A JP2005177741A (ja) | 2005-07-07 |
| JP2005177741A5 true JP2005177741A5 (enExample) | 2008-04-10 |
Family
ID=34797198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004313493A Pending JP2005177741A (ja) | 2003-11-26 | 2004-10-28 | 半透膜の処理方法ならびに改質半透膜およびその製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2005177741A (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5130967B2 (ja) * | 2007-03-19 | 2013-01-30 | 東レ株式会社 | 複合半透膜の製造方法 |
| KR101548559B1 (ko) | 2008-03-05 | 2015-09-01 | 도레이 카부시키가이샤 | 다당류계 바이오매스 유래 화합물의 제조 방법 |
| US9486745B2 (en) | 2009-12-22 | 2016-11-08 | Toray Industries, Inc. | Semipermeable membrane and manufacturing method therefor |
| KR101742342B1 (ko) * | 2009-12-24 | 2017-05-31 | 도레이 카부시키가이샤 | 복합 반투막 및 그의 제조 방법 |
| EP2540385B1 (en) * | 2010-02-23 | 2020-08-12 | Toray Industries, Inc. | Composite semipermeable membrane and process for production thereof |
| CN114699919A (zh) * | 2022-03-28 | 2022-07-05 | 河海大学 | 一种混合基质反渗透膜及其制备方法和应用 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1318091C (en) * | 1987-01-15 | 1993-05-25 | Filmtec Corporation | Reverse osmosis membranes |
| JP2000237559A (ja) * | 1999-02-16 | 2000-09-05 | Nitto Denko Corp | 高透過性複合逆浸透膜の製造法 |
-
2004
- 2004-10-28 JP JP2004313493A patent/JP2005177741A/ja active Pending
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