JP2012135757A5 - - Google Patents
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- Publication number
- JP2012135757A5 JP2012135757A5 JP2011268558A JP2011268558A JP2012135757A5 JP 2012135757 A5 JP2012135757 A5 JP 2012135757A5 JP 2011268558 A JP2011268558 A JP 2011268558A JP 2011268558 A JP2011268558 A JP 2011268558A JP 2012135757 A5 JP2012135757 A5 JP 2012135757A5
- Authority
- JP
- Japan
- Prior art keywords
- semipermeable membrane
- composite semipermeable
- water treatment
- polyglycerols
- treatment according
- 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.)
- Granted
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- 239000002131 composite material Substances 0.000 claims 18
- 239000012528 membrane Substances 0.000 claims 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 12
- PEDCQBHIVMGVHV-UHFFFAOYSA-N glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims 9
- 229920000223 polyglycerol Polymers 0.000 claims 6
- 239000000835 fiber Substances 0.000 claims 4
- 239000010410 layer Substances 0.000 claims 2
- 239000002346 layers by function Substances 0.000 claims 2
- 239000004745 nonwoven fabric Substances 0.000 claims 2
- 238000000926 separation method Methods 0.000 claims 2
- 239000000758 substrate Substances 0.000 claims 2
- 239000002344 surface layer Substances 0.000 claims 2
- 239000004952 Polyamide Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 235000014113 dietary fatty acids Nutrition 0.000 claims 1
- 239000000194 fatty acid Substances 0.000 claims 1
- -1 fatty acid ester Chemical class 0.000 claims 1
- 238000005755 formation reaction Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 229920002647 polyamide Polymers 0.000 claims 1
- 239000011528 polyamide (building material) Substances 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
Claims (12)
請求項１または２に記載の水処理用複合半透膜。 The composite semipermeable membrane for water treatment according to claim 1 or 2, wherein the composite semipermeable membrane is composed of a substrate, a porous resin, and a separation functional layer.
請求項１〜３のいずれかに記載の水処理用複合半透膜。 The composite semipermeable membrane for water treatment according to any one of claims 1 to 3, wherein the separation functional layer is a crosslinked polyamide.
請求項１〜４のいずれかに記載の水処理用複合半透膜。 5. The composite semipermeable membrane for water treatment according to claim 1, wherein the polyglycerin is polyglycerin or polyglycerin fatty acid ester.
請求項１〜５のいずれかに記載の水処理用複合半透膜。 The composite semipermeable membrane for water treatment according to any one of claims 1 to 5, which is obtained by bringing the formed composite semipermeable membrane into contact with a solution containing polyglycerols.
請求項２〜６のいずれかに記載の水処理用複合半透膜。 The composite semipermeable membrane after formation is obtained by contacting with a solution in which the weight ratio of polyglycerols and glycerol is adjusted to 10:90 to 90:10. The composite semipermeable membrane for water treatment as described.
請求項２〜７のいずれかに記載の水処理用複合半透膜。 The composite semipermeable membrane for water treatment according to any one of claims 2 to 7, which is obtained by bringing the formed composite semipermeable membrane into contact with a solution containing polyglycerols and a solution containing glycerol.
請求項１〜８のいずれかに記載の水処理用複合半透膜。 The composite semipermeable membrane for water treatment according to any one of claims 1 to 8, wherein the substrate is a long-fiber nonwoven fabric.
請求項９に記載の水処理用複合半透膜。 The fibers in the surface layer on the opposite side to the porous support layer of the long-fiber nonwoven fabric are longitudinally oriented than the fibers in the surface layer on the porous support layer side.
The composite semipermeable membrane for water treatment according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011268558A JP5884453B2 (en) | 2010-12-09 | 2011-12-08 | Composite semipermeable membrane, composite semipermeable membrane element, and method for producing composite semipermeable membrane |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010274331 | 2010-12-09 | ||
| JP2010274331 | 2010-12-09 | ||
| JP2011268558A JP5884453B2 (en) | 2010-12-09 | 2011-12-08 | Composite semipermeable membrane, composite semipermeable membrane element, and method for producing composite semipermeable membrane |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2012135757A JP2012135757A (en) | 2012-07-19 |
| JP2012135757A5 true JP2012135757A5 (en) | 2015-01-22 |
| JP5884453B2 JP5884453B2 (en) | 2016-03-15 |
Family
ID=46673669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011268558A Expired - Fee Related JP5884453B2 (en) | 2010-12-09 | 2011-12-08 | Composite semipermeable membrane, composite semipermeable membrane element, and method for producing composite semipermeable membrane |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5884453B2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014133133A1 (en) * | 2013-02-28 | 2014-09-04 | 東レ株式会社 | Composite semipermeable membrane |
| JP6295949B2 (en) * | 2013-02-28 | 2018-03-20 | 東レ株式会社 | Composite semipermeable membrane and method for producing the same |
| WO2014158660A1 (en) * | 2013-03-14 | 2014-10-02 | Dow Global Technologies Llc | Composite polyamide membrane including dissolvable polymer coating |
| JP2014213262A (en) * | 2013-04-25 | 2014-11-17 | 栗田工業株式会社 | Forward osmosis membrane |
| CN105848767B (en) * | 2013-12-26 | 2019-06-18 | 株式会社Lg化学 | High performance dry type water treatment separator and its manufacturing method based on polyamide |
| JP2016068019A (en) * | 2014-09-30 | 2016-05-09 | 日東電工株式会社 | Composite semipermeable membrane and manufacturing method for the same, and spiral type separation membrane |
| CN114259878A (en) * | 2021-12-14 | 2022-04-01 | 恩泰环保科技（常州）有限公司 | Nanofiltration membrane with adjustable aperture and high flux and preparation method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002095939A (en) * | 2000-09-21 | 2002-04-02 | Toyobo Co Ltd | Composite semipermeable membrane, composite semipermeable membrane separation element, and their manufacturing method and rewetting method |
| EP1537906B1 (en) * | 2002-09-09 | 2008-10-08 | NOK Corporation | Process for production of poly(m-phenyleneisophthal- amide) porous hollow fiber membrane |
| JP2004358433A (en) * | 2003-06-09 | 2004-12-24 | Toyobo Co Ltd | Dry hollow fiber membrane and module |
| JP2005009022A (en) * | 2003-06-19 | 2005-01-13 | Nok Corp | Impregnated porous membrane |
| JP2007253109A (en) * | 2006-03-24 | 2007-10-04 | Nitto Denko Corp | Method for manufacturing dry composite semipermeable membrane |
| US7815987B2 (en) * | 2008-12-04 | 2010-10-19 | Dow Global Technologies Inc. | Polyamide membrane with coating of polyalkylene oxide and polyacrylamide compounds |
| WO2011105278A1 (en) * | 2010-02-23 | 2011-09-01 | 東レ株式会社 | Composite semipermeable membrane and process for production thereof |
-
2011
- 2011-12-08 JP JP2011268558A patent/JP5884453B2/en not_active Expired - Fee Related
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