IL99010A - Inverted membrane of polyamide-urea - Google Patents
Inverted membrane of polyamide-ureaInfo
- Publication number
- IL99010A IL99010A IL9901091A IL9901091A IL99010A IL 99010 A IL99010 A IL 99010A IL 9901091 A IL9901091 A IL 9901091A IL 9901091 A IL9901091 A IL 9901091A IL 99010 A IL99010 A IL 99010A
- Authority
- IL
- Israel
- Prior art keywords
- chloride
- membrane
- isocyanatoisophthaloyl
- isocyanate
- reverse osmosis
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title claims description 106
- 238000001223 reverse osmosis Methods 0.000 title claims description 21
- 239000004202 carbamide Substances 0.000 title claims description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 54
- 239000000758 substrate Substances 0.000 claims description 51
- QYAMZFPPWQRILI-UHFFFAOYSA-N 5-isocyanatobenzene-1,3-dicarbonyl chloride Chemical compound ClC(=O)C1=CC(N=C=O)=CC(C(Cl)=O)=C1 QYAMZFPPWQRILI-UHFFFAOYSA-N 0.000 claims description 46
- 239000011780 sodium chloride Substances 0.000 claims description 29
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 claims description 27
- 229940018564 m-phenylenediamine Drugs 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 27
- 229920002492 poly(sulfone) Polymers 0.000 claims description 22
- 239000002904 solvent Substances 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- -1 isocyanate- substituted isophthaloyl chloride Chemical group 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 17
- 150000003839 salts Chemical class 0.000 claims description 17
- 230000004907 flux Effects 0.000 claims description 12
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical group CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 11
- 150000001263 acyl chlorides Chemical class 0.000 claims description 10
- FDQSRULYDNDXQB-UHFFFAOYSA-N benzene-1,3-dicarbonyl chloride Chemical class ClC(=O)C1=CC=CC(C(Cl)=O)=C1 FDQSRULYDNDXQB-UHFFFAOYSA-N 0.000 claims description 9
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 claims description 8
- 239000004952 Polyamide Substances 0.000 claims description 8
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims description 8
- 229920002647 polyamide Polymers 0.000 claims description 8
- 238000005266 casting Methods 0.000 claims description 7
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 claims description 6
- 239000012510 hollow fiber Substances 0.000 claims description 6
- 239000012948 isocyanate Substances 0.000 claims description 6
- 150000002513 isocyanates Chemical group 0.000 claims description 6
- 125000000962 organic group Chemical group 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 150000001266 acyl halides Chemical class 0.000 claims description 5
- 150000001412 amines Chemical class 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 5
- 238000010612 desalination reaction Methods 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 claims description 5
- JFEYGNBXTUDJAM-UHFFFAOYSA-N 3,5-diisocyanatobenzoyl chloride Chemical compound ClC(=O)C1=CC(N=C=O)=CC(N=C=O)=C1 JFEYGNBXTUDJAM-UHFFFAOYSA-N 0.000 claims description 4
- PICVAYJGENMBAJ-UHFFFAOYSA-N 4-isocyanatobenzene-1,3-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=C(N=C=O)C(C(Cl)=O)=C1 PICVAYJGENMBAJ-UHFFFAOYSA-N 0.000 claims description 4
- KBZFDRWPMZESDI-UHFFFAOYSA-N 5-aminobenzene-1,3-dicarboxylic acid Chemical compound NC1=CC(C(O)=O)=CC(C(O)=O)=C1 KBZFDRWPMZESDI-UHFFFAOYSA-N 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 4
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 claims description 4
- FDLQZKYLHJJBHD-UHFFFAOYSA-N [3-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=CC(CN)=C1 FDLQZKYLHJJBHD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- RSAXKGPIPWRPKR-UHFFFAOYSA-N 2-isocyanatobenzene-1,3-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=CC(C(Cl)=O)=C1N=C=O RSAXKGPIPWRPKR-UHFFFAOYSA-N 0.000 claims description 3
- OTEBFHVUSAGHHW-UHFFFAOYSA-N 5-isocyanatobenzene-1,3-dicarbonyl bromide Chemical compound BrC(=O)C1=CC(N=C=O)=CC(C(Br)=O)=C1 OTEBFHVUSAGHHW-UHFFFAOYSA-N 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- HIZMBMVNMBMUEE-UHFFFAOYSA-N cyclohexane-1,3,5-tricarbonyl chloride Chemical compound ClC(=O)C1CC(C(Cl)=O)CC(C(Cl)=O)C1 HIZMBMVNMBMUEE-UHFFFAOYSA-N 0.000 claims description 3
- 125000005442 diisocyanate group Chemical group 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000005373 porous glass Substances 0.000 claims description 3
- COOYZPDFMWOFKV-UHFFFAOYSA-N 2-isocyanatobenzene-1,4-dicarbonyl chloride Chemical compound ClC(=O)C1=CC=C(C(Cl)=O)C(N=C=O)=C1 COOYZPDFMWOFKV-UHFFFAOYSA-N 0.000 claims description 2
- 235000015203 fruit juice Nutrition 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 235000013336 milk Nutrition 0.000 claims description 2
- 239000008267 milk Substances 0.000 claims description 2
- 210000004080 milk Anatomy 0.000 claims description 2
- 229920000620 organic polymer Polymers 0.000 claims 3
- 229920000098 polyolefin Polymers 0.000 claims 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims 1
- 150000001555 benzenes Chemical group 0.000 claims 1
- 235000020006 fruit beer Nutrition 0.000 claims 1
- 235000019990 fruit wine Nutrition 0.000 claims 1
- 125000002883 imidazolyl group Chemical group 0.000 claims 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 19
- 239000000243 solution Substances 0.000 description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 15
- ZMXDDKWLCZADIW-UHFFFAOYSA-N dimethylformamide Substances CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 15
- 230000035699 permeability Effects 0.000 description 15
- 150000004985 diamines Chemical class 0.000 description 13
- 239000012466 permeate Substances 0.000 description 8
- 239000000377 silicon dioxide Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 125000003118 aryl group Chemical group 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000012527 feed solution Substances 0.000 description 4
- 239000010408 film Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 238000012695 Interfacial polymerization Methods 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000004695 Polyether sulfone Substances 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 125000001931 aliphatic group Chemical group 0.000 description 3
- 150000004982 aromatic amines Chemical class 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000002481 ethanol extraction Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229920006393 polyether sulfone Polymers 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- AJDIZQLSFPQPEY-UHFFFAOYSA-N 1,1,2-Trichlorotrifluoroethane Chemical compound FC(F)(Cl)C(F)(Cl)Cl AJDIZQLSFPQPEY-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 229920002396 Polyurea Polymers 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000004984 aromatic diamines Chemical class 0.000 description 2
- 150000001805 chlorine compounds Chemical class 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 235000013365 dairy product Nutrition 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- 230000003204 osmotic effect Effects 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- PQDIQKXGPYOGDI-UHFFFAOYSA-N 1,3,5-triisocyanatobenzene Chemical compound O=C=NC1=CC(N=C=O)=CC(N=C=O)=C1 PQDIQKXGPYOGDI-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- NCNXDAMIPYEADP-UHFFFAOYSA-N 5-aminobenzene-1,3-dicarboxylic acid;hydrochloride Chemical compound Cl.NC1=CC(C(O)=O)=CC(C(O)=O)=C1 NCNXDAMIPYEADP-UHFFFAOYSA-N 0.000 description 1
- 239000004801 Chlorinated PVC Substances 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- 229920000265 Polyparaphenylene Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004285 Potassium sulphite Substances 0.000 description 1
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
- 125000000777 acyl halide group Chemical group 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- UWCPYKQBIPYOLX-UHFFFAOYSA-N benzene-1,3,5-tricarbonyl chloride Chemical compound ClC(=O)C1=CC(C(Cl)=O)=CC(C(Cl)=O)=C1 UWCPYKQBIPYOLX-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 229920000457 chlorinated polyvinyl chloride Polymers 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 150000001924 cycloalkanes Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- IUEVXLACZFKZSP-UHFFFAOYSA-L disodium;5-aminobenzene-1,3-dicarboxylate Chemical compound [Na+].[Na+].NC1=CC(C([O-])=O)=CC(C([O-])=O)=C1 IUEVXLACZFKZSP-UHFFFAOYSA-L 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000010406 interfacial reaction Methods 0.000 description 1
- 125000001261 isocyanato group Chemical group *N=C=O 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000019333 sodium laurylsulphate Nutrition 0.000 description 1
- PHIQPXBZDGYJOG-UHFFFAOYSA-N sodium silicate nonahydrate Chemical compound O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-][Si]([O-])=O PHIQPXBZDGYJOG-UHFFFAOYSA-N 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/125—In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction
-
- 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
- B01D71/54—Polyureas; Polyurethanes
-
- 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
- B01D71/56—Polyamides, e.g. polyester-amides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3225—Polyamines
- C08G18/3237—Polyamines aromatic
- C08G18/324—Polyamines aromatic containing only one aromatic ring
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3225—Polyamines
- C08G18/3246—Polyamines heterocyclic, the heteroatom being oxygen or nitrogen in the form of an amino group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/71—Monoisocyanates or monoisothiocyanates
- C08G18/712—Monoisocyanates or monoisothiocyanates containing halogens
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/773—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur halogens
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/560,512 US5019264A (en) | 1990-07-31 | 1990-07-31 | Multilayer reverse osmosis membrane of polyamide-urea |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL99010A0 IL99010A0 (en) | 1992-07-15 |
| IL99010A true IL99010A (en) | 1995-12-31 |
Family
ID=24238109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL9901091A IL99010A (en) | 1990-07-31 | 1991-07-30 | Inverted membrane of polyamide-urea |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5019264A (de) |
| EP (2) | EP0473290B1 (de) |
| JP (2) | JPH0722688B2 (de) |
| AU (1) | AU635479B2 (de) |
| CA (1) | CA2047989C (de) |
| DE (1) | DE69110795T2 (de) |
| IL (1) | IL99010A (de) |
| PT (1) | PT98506A (de) |
| ZA (1) | ZA916032B (de) |
Families Citing this family (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5019264A (en) * | 1990-07-31 | 1991-05-28 | E. I. Du Pont De Nemours And Company | Multilayer reverse osmosis membrane of polyamide-urea |
| US5246587A (en) * | 1991-12-23 | 1993-09-21 | Hydranautics | Interfacially synthesized reverse osmosis membranes and processes for preparing the same |
| JPH07178327A (ja) * | 1993-11-12 | 1995-07-18 | Nitto Denko Corp | 複合半透膜及びその製造方法 |
| US5693227A (en) * | 1994-11-17 | 1997-12-02 | Ionics, Incorporated | Catalyst mediated method of interfacial polymerization on a microporous support, and polymers, fibers, films and membranes made by such method |
| US5851355A (en) * | 1996-11-27 | 1998-12-22 | Bba Nonwovens Simpsonville, Inc. | Reverse osmosis support substrate and method for its manufacture |
| EP0924184A3 (de) * | 1997-12-17 | 1999-06-30 | Daicel Chemical Industries, Ltd. | Verfahren zur Behandlung von Sorbinsäure und/oder deren Salz enthaltendem Abwasser und Abwasserbehandlungsvorrichtung |
| KR19990070134A (ko) * | 1998-02-17 | 1999-09-15 | 한형수 | 폴리아미드계 복합소재 분리막의 제조방법 |
| EP0992277B1 (de) * | 1998-10-09 | 2004-04-07 | Saehan Industries, Inc. | Trockene halbdurchlässige Umkehrosmosemembran und Verfahren zu ihrer Herstellung unter Verwendung von Sacchariden |
| US6156680A (en) * | 1998-12-23 | 2000-12-05 | Bba Nonwovens Simpsonville, Inc. | Reverse osmosis support substrate and method for its manufacture |
| DE19954158A1 (de) * | 1999-11-10 | 2001-05-17 | Inst Textil & Faserforschung | Mikroporöse hydrophile Membran |
| US7250226B2 (en) | 2001-08-31 | 2007-07-31 | Nippon Hoso Kyokai | Phosphorescent compound, a phosphorescent composition and an organic light-emitting device |
| US20060207930A1 (en) * | 2005-03-15 | 2006-09-21 | Yeager Gary W | Interfacial composite structure and method of making them |
| US7727434B2 (en) * | 2005-08-16 | 2010-06-01 | General Electric Company | Membranes and methods of treating membranes |
| US7744761B2 (en) | 2007-06-28 | 2010-06-29 | Calera Corporation | Desalination methods and systems that include carbonate compound precipitation |
| US20090242479A1 (en) * | 2008-03-27 | 2009-10-01 | General Electric Company | Aromatic halosulfonyl isocyanate compositions |
| US20090242831A1 (en) * | 2008-03-27 | 2009-10-01 | General Electric Company | Aromatic halosulfonyl isocyanate compositions |
| US8857629B2 (en) | 2010-07-15 | 2014-10-14 | International Business Machines Corporation | Composite membrane with multi-layered active layer |
| WO2012102944A1 (en) | 2011-01-24 | 2012-08-02 | Dow Global Technologies Llc | Composite polyamide membrane |
| US9022227B2 (en) | 2011-03-21 | 2015-05-05 | International Business Machines Corporation | Composite membranes and methods of preparation thereof |
| WO2013032586A1 (en) | 2011-08-31 | 2013-03-07 | Dow Global Technologies Llc | Composite polyamide membrane derived from monomer including amine-reactive and phosphorous-containing functional groups |
| US9029600B2 (en) | 2011-09-29 | 2015-05-12 | Dow Global Technologies Llc | Method for preparing high purity mono-hydrolyzed acyl halide compound |
| WO2013103666A1 (en) | 2012-01-06 | 2013-07-11 | Dow Global Technologies Llc | Composite polyamide membrane |
| US9561474B2 (en) | 2012-06-07 | 2017-02-07 | International Business Machines Corporation | Composite membrane with multi-layered active layer |
| WO2014014663A1 (en) | 2012-07-19 | 2014-01-23 | Dow Global Technologies Llc | Composite polyamide membrane |
| US10137418B2 (en) | 2013-01-14 | 2018-11-27 | Dow Global Technologies Llc | Composite polyamide membrane made via interfacial polymerization using a blend of non-polar solvents |
| WO2014109947A1 (en) | 2013-01-14 | 2014-07-17 | Dow Global Technologies Llc | Composite polyamide membrane comprising substituted benzamide monomer |
| US9289729B2 (en) | 2013-03-16 | 2016-03-22 | Dow Global Technologies Llc | Composite polyamide membrane derived from carboxylic acid containing acyl halide monomer |
| US9051227B2 (en) | 2013-03-16 | 2015-06-09 | Dow Global Technologies Llc | In-situ method for preparing hydrolyzed acyl halide compound |
| US9051417B2 (en) | 2013-03-16 | 2015-06-09 | Dow Global Technologies Llc | Method for solubilizing carboxylic acid-containing compound in hydrocarbon solvent |
| WO2014179024A1 (en) | 2013-05-03 | 2014-11-06 | Dow Global Technologies Llc | Composite polyamide membrane derived from an aliphatic acyclic tertiary amine compound |
| EP3077089B1 (de) | 2013-12-02 | 2018-02-28 | Dow Global Technologies LLC | Herstellungsmethode für eine mit dihydroxyarylverbindungen und salpetriger säure behandelte polyamid-verbundmembran |
| US9808769B2 (en) | 2013-12-02 | 2017-11-07 | Dow Global Technologies Llc | Composite polyamide membrane post treated with nitrious acid |
| EP3092062B1 (de) | 2014-01-09 | 2018-05-30 | Dow Global Technologies LLC | Polyamidkompositmembran mit bevorzugtem azo-gehalt |
| JP6535011B2 (ja) | 2014-01-09 | 2019-06-26 | ダウ グローバル テクノロジーズ エルエルシー | アゾ含有量及び高酸含有量を有する複合ポリアミド皮膜 |
| CN105873666B (zh) | 2014-01-09 | 2019-11-01 | 陶氏环球技术有限责任公司 | 具有高酸含量和低偶氮含量的复合聚酰胺膜 |
| CN106257977B (zh) | 2014-04-28 | 2019-10-29 | 陶氏环球技术有限责任公司 | 用亚硝酸后处理的复合聚酰胺膜 |
| WO2015175258A1 (en) | 2014-05-14 | 2015-11-19 | Dow Global Technologies Llc | Composite polyamide membrane post-treated with nitrous acid |
| WO2019164900A1 (en) | 2018-02-21 | 2019-08-29 | Cryovac, Llc | Method and formulation for an isocyanate-free foam using isocyanate-free polyurethane chemistry |
| KR102129672B1 (ko) | 2018-09-04 | 2020-07-02 | 도레이첨단소재 주식회사 | 역삼투분리막, 이의 제조방법 및 이를 포함하는 분리막 모듈 |
| JP7403524B2 (ja) * | 2019-02-28 | 2023-12-22 | 株式会社クラレ | 複合中空糸膜、及び複合中空糸膜の製造方法 |
| KR102267821B1 (ko) | 2019-09-17 | 2021-06-21 | 도레이첨단소재 주식회사 | 나노분리막 및 이를 포함하는 분리막 모듈 |
| KR102390219B1 (ko) | 2020-08-07 | 2022-04-22 | 도레이첨단소재 주식회사 | 해수전처리용 나노분리막 및 이를 포함하는 분리막 모듈 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB752105A (en) * | 1953-01-23 | 1956-07-04 | Bayer Ag | Isocyanatocarboxylic acid chlorides |
| DE943407C (de) * | 1953-01-24 | 1956-05-17 | Bayer Ag | Verfahren zur Herstellung von Isocyanatcarbonsaeurechloriden |
| US3211776A (en) * | 1963-01-22 | 1965-10-12 | Du Pont | Catalytic process for preparing aromatic chloroformates |
| FR1476714A (fr) * | 1965-03-03 | 1967-04-14 | Bayer Ag | Procédé de préparation de chlorures d'acides isocyanato-carboxyliques |
| DE1222919B (de) * | 1965-03-03 | 1966-08-18 | Bayer Ag | Verfahren zur Herstellung von Isocyanatocarbonsaeurechloriden |
| US3492331A (en) * | 1966-12-20 | 1970-01-27 | Upjohn Co | 4 - nitro - 2,6 - dichlorophenyl isocyanate and preparation of organic isocyanates |
| CH572047A5 (de) * | 1973-03-01 | 1976-01-30 | Ciba Geigy Ag | |
| JPS54107882A (en) * | 1978-02-13 | 1979-08-24 | Toray Ind Inc | Semipermeable membrane |
| JPS5554004A (en) * | 1978-10-18 | 1980-04-21 | Teijin Ltd | Selective permeable membrane and its manufacturing |
| US4277344A (en) * | 1979-02-22 | 1981-07-07 | Filmtec Corporation | Interfacially synthesized reverse osmosis membrane |
| US4824916A (en) * | 1985-03-15 | 1989-04-25 | The Dow Chemical Company | Water-insoluble, crosslinked, sulfonated aromatic polyamide |
| GB2189168B (en) * | 1986-04-21 | 1989-11-29 | Aligena Ag | Composite membranes useful in the separation of low molecular weight organic compounds from aqueous solutions containing inorganic salts |
| DE3641702A1 (de) * | 1986-12-06 | 1988-06-16 | Bayer Ag | Diisocyanate und diisocyanatgemische, ein verfahren zu ihrer herstellung und ihrer verwendung bei der herstellung von polyurethankunststoffen |
| JPH0474517A (ja) * | 1990-07-16 | 1992-03-09 | Nitto Denko Corp | 複合逆浸透膜 |
| US5019264A (en) * | 1990-07-31 | 1991-05-28 | E. I. Du Pont De Nemours And Company | Multilayer reverse osmosis membrane of polyamide-urea |
| US5085777A (en) * | 1990-08-31 | 1992-02-04 | E. I. Du Pont De Nemours And Company | Reverse osmosis membranes of polyamideurethane |
-
1990
- 1990-07-31 US US07/560,512 patent/US5019264A/en not_active Ceased
-
1991
- 1991-07-26 CA CA002047989A patent/CA2047989C/en not_active Expired - Fee Related
- 1991-07-30 EP EP91306964A patent/EP0473290B1/de not_active Expired - Lifetime
- 1991-07-30 DE DE69110795T patent/DE69110795T2/de not_active Expired - Fee Related
- 1991-07-30 PT PT98506A patent/PT98506A/pt not_active Application Discontinuation
- 1991-07-30 IL IL9901091A patent/IL99010A/en not_active IP Right Cessation
- 1991-07-30 JP JP3211324A patent/JPH0722688B2/ja not_active Expired - Fee Related
- 1991-07-30 EP EP19940201347 patent/EP0612722A3/de not_active Withdrawn
- 1991-07-31 ZA ZA916032A patent/ZA916032B/xx unknown
- 1991-07-31 AU AU81473/91A patent/AU635479B2/en not_active Ceased
-
1994
- 1994-06-29 JP JP6168585A patent/JPH07138222A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP0473290A3 (en) | 1992-07-08 |
| JPH07138222A (ja) | 1995-05-30 |
| PT98506A (pt) | 1992-06-30 |
| EP0612722A2 (de) | 1994-08-31 |
| CA2047989C (en) | 2004-09-21 |
| US5019264A (en) | 1991-05-28 |
| EP0612722A3 (de) | 1994-09-07 |
| EP0473290B1 (de) | 1995-06-28 |
| ZA916032B (en) | 1993-04-28 |
| CA2047989A1 (en) | 1992-02-01 |
| JPH0722688B2 (ja) | 1995-03-15 |
| AU635479B2 (en) | 1993-03-18 |
| IL99010A0 (en) | 1992-07-15 |
| DE69110795D1 (de) | 1995-08-03 |
| EP0473290A2 (de) | 1992-03-04 |
| AU8147391A (en) | 1992-02-06 |
| DE69110795T2 (de) | 1996-02-22 |
| JPH04281830A (ja) | 1992-10-07 |
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