IL42098A - The production of membranes of polyamic acid salt polymer - Google Patents
The production of membranes of polyamic acid salt polymerInfo
- Publication number
- IL42098A IL42098A IL42098A IL4209873A IL42098A IL 42098 A IL42098 A IL 42098A IL 42098 A IL42098 A IL 42098A IL 4209873 A IL4209873 A IL 4209873A IL 42098 A IL42098 A IL 42098A
- Authority
- IL
- Israel
- Prior art keywords
- acid salt
- resin
- solution
- membrane
- radical
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title claims 8
- 150000003839 salts Chemical class 0.000 title claims 8
- 229920005575 poly(amic acid) Polymers 0.000 title claims 4
- 238000004519 manufacturing process Methods 0.000 title claims 3
- 229920000642 polymer Polymers 0.000 title claims 3
- 238000000034 method Methods 0.000 claims 10
- 239000000243 solution Substances 0.000 claims 6
- 125000004432 carbon atom Chemical group C* 0.000 claims 5
- 239000002245 particle Substances 0.000 claims 5
- 239000002253 acid Substances 0.000 claims 3
- 239000000945 filler Substances 0.000 claims 3
- 125000001931 aliphatic group Chemical group 0.000 claims 2
- 125000002837 carbocyclic group Chemical group 0.000 claims 2
- 125000005462 imide group Chemical group 0.000 claims 2
- 229920001721 polyimide Polymers 0.000 claims 2
- 229920005989 resin Polymers 0.000 claims 2
- 239000011347 resin Substances 0.000 claims 2
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 claims 1
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims 1
- 229910021577 Iron(II) chloride Inorganic materials 0.000 claims 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims 1
- 229920000877 Melamine resin Polymers 0.000 claims 1
- 239000003513 alkali Substances 0.000 claims 1
- 239000007864 aqueous solution Substances 0.000 claims 1
- 125000003118 aryl group Chemical group 0.000 claims 1
- 239000002585 base Substances 0.000 claims 1
- FDQSRULYDNDXQB-UHFFFAOYSA-N benzene-1,3-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=CC(C(Cl)=O)=C1 FDQSRULYDNDXQB-UHFFFAOYSA-N 0.000 claims 1
- YOUGRGFIHBUKRS-UHFFFAOYSA-N benzyl(trimethyl)azanium Chemical compound C[N+](C)(C)CC1=CC=CC=C1 YOUGRGFIHBUKRS-UHFFFAOYSA-N 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 239000001110 calcium chloride Substances 0.000 claims 1
- 235000011148 calcium chloride Nutrition 0.000 claims 1
- 229910001628 calcium chloride Inorganic materials 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 239000003822 epoxy resin Substances 0.000 claims 1
- 150000002500 ions Chemical class 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 claims 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims 1
- 229910052745 lead Inorganic materials 0.000 claims 1
- RLJMLMKIBZAXJO-UHFFFAOYSA-N lead(II) nitrate Inorganic materials [O-][N+](=O)O[Pb]O[N+]([O-])=O RLJMLMKIBZAXJO-UHFFFAOYSA-N 0.000 claims 1
- 229940018564 m-phenylenediamine Drugs 0.000 claims 1
- 229910052748 manganese Inorganic materials 0.000 claims 1
- 229910052753 mercury Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 229910052759 nickel Inorganic materials 0.000 claims 1
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(II) nitrate Inorganic materials [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 claims 1
- -1 oxy, thio Chemical group 0.000 claims 1
- 229920001568 phenolic resin Polymers 0.000 claims 1
- 239000005011 phenolic resin Substances 0.000 claims 1
- 229920000647 polyepoxide Polymers 0.000 claims 1
- 229920001225 polyester resin Polymers 0.000 claims 1
- 239000004645 polyester resin Substances 0.000 claims 1
- 239000012266 salt solution Substances 0.000 claims 1
- 239000004576 sand Substances 0.000 claims 1
- 229910052709 silver Inorganic materials 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- LXEJRKJRKIFVNY-UHFFFAOYSA-N terephthaloyl chloride Chemical compound ClC(=O)C1=CC=C(C(Cl)=O)C=C1 LXEJRKJRKIFVNY-UHFFFAOYSA-N 0.000 claims 1
- 229910052725 zinc Inorganic materials 0.000 claims 1
- 239000011592 zinc chloride Substances 0.000 claims 1
- 235000005074 zinc chloride Nutrition 0.000 claims 1
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
- B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
- B01D71/64—Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors
- B01D71/641—Polyamide-imides
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00249997A US3835207A (en) | 1972-05-03 | 1972-05-03 | Method for forming reverse osmosis membranes composed of polyamic acid salts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL42098A0 IL42098A0 (en) | 1973-06-29 |
| IL42098A true IL42098A (en) | 1976-02-29 |
Family
ID=22945877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL42098A IL42098A (en) | 1972-05-03 | 1973-04-25 | The production of membranes of polyamic acid salt polymer |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3835207A (ca) |
| JP (1) | JPS555361B2 (ca) |
| CA (1) | CA1019887A (ca) |
| IL (1) | IL42098A (ca) |
| IT (1) | IT986992B (ca) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3993625A (en) * | 1973-05-28 | 1976-11-23 | Toray Industries, Inc. | Permselective polymeric membranes of organic polyamide or polyhydrazide |
| US3951815A (en) * | 1974-09-05 | 1976-04-20 | Universal Oil Products Company | Composite semipermeable membranes made from polyethylenimine |
| US4206049A (en) * | 1978-08-14 | 1980-06-03 | Westinghouse Electric Corp. | Recovery of uranium by a reverse osmosis process |
| US4269968A (en) * | 1979-11-13 | 1981-05-26 | International Business Machines Corporation | Synthesis of polyamic acid |
| US4705540A (en) * | 1986-04-17 | 1987-11-10 | E. I. Du Pont De Nemours And Company | Polyimide gas separation membranes |
| JPH0161628U (ca) * | 1987-10-15 | 1989-04-19 | ||
| JPH0237339U (ca) * | 1988-08-31 | 1990-03-12 | ||
| JP2828001B2 (ja) * | 1995-01-11 | 1998-11-25 | 財団法人韓國化學研究所 | 水／有機溶媒分離または気体分離用の非対称中空繊維膜とその製造方法 |
| US5962113A (en) * | 1996-10-28 | 1999-10-05 | International Business Machines Corporation | Integrated circuit device and process for its manufacture |
| WO2006116533A2 (en) * | 2005-04-27 | 2006-11-02 | Hw Process Technologies, Inc. | Treating produced waters |
| US20080069748A1 (en) * | 2006-09-20 | 2008-03-20 | Hw Advanced Technologies, Inc. | Multivalent iron ion separation in metal recovery circuits |
| US20080128354A1 (en) * | 2006-11-30 | 2008-06-05 | Hw Advanced Technologies, Inc. | Method for washing filtration membranes |
| WO2008140625A1 (en) * | 2006-12-27 | 2008-11-20 | Hw Advanced Technologies, Inc. | Membrane separation process for separating metal complexes of differing oxidation states |
| WO2011078131A1 (ja) * | 2009-12-22 | 2011-06-30 | 東レ株式会社 | 半透膜およびその製造方法 |
| JP5895838B2 (ja) * | 2010-08-11 | 2016-03-30 | 東レ株式会社 | 分離膜エレメントおよび複合半透膜の製造方法 |
| KR101459884B1 (ko) * | 2013-03-15 | 2014-11-07 | 상명대학교서울산학협력단 | 알루미늄염을 포함하는 올레핀 촉진수송 분리막 |
| US12582767B2 (en) | 2021-12-30 | 2026-03-24 | Taiyo Weber | Compressible, minimally invasive implants and related systems and methods |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3179634A (en) * | 1962-01-26 | 1965-04-20 | Du Pont | Aromatic polyimides and the process for preparing them |
| US3518219A (en) * | 1967-08-31 | 1970-06-30 | Monsanto Co | Novel polyimide forming mixtures |
| US3598241A (en) * | 1968-08-22 | 1971-08-10 | Westinghouse Electric Corp | Support system for membranes used in the reverse osmosis process |
| US3676193A (en) * | 1970-05-08 | 1972-07-11 | Abcor Inc | Process for casting integrally supported tubular membranes |
| US3737478A (en) * | 1971-05-28 | 1973-06-05 | Gen Electric | Method for making polyamide acid salts and products derived therefrom |
| US3778411A (en) * | 1971-07-30 | 1973-12-11 | Gen Electric | Polyamide acids and polyamideimides |
-
1972
- 1972-05-03 US US00249997A patent/US3835207A/en not_active Expired - Lifetime
-
1973
- 1973-04-25 CA CA169,534A patent/CA1019887A/en not_active Expired
- 1973-04-25 IL IL42098A patent/IL42098A/en unknown
- 1973-05-03 IT IT23667/73A patent/IT986992B/it active
- 1973-05-04 JP JP4919673A patent/JPS555361B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT986992B (it) | 1975-01-30 |
| CA1019887A (en) | 1977-10-25 |
| JPS555361B2 (ca) | 1980-02-06 |
| US3835207A (en) | 1974-09-10 |
| JPS4948570A (ca) | 1974-05-10 |
| IL42098A0 (en) | 1973-06-29 |
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