EP3152252A1 - Procédé d'élimination d'ions métalliques dans une solution organique visqueuse - Google Patents
Procédé d'élimination d'ions métalliques dans une solution organique visqueuseInfo
- Publication number
- EP3152252A1 EP3152252A1 EP15732823.8A EP15732823A EP3152252A1 EP 3152252 A1 EP3152252 A1 EP 3152252A1 EP 15732823 A EP15732823 A EP 15732823A EP 3152252 A1 EP3152252 A1 EP 3152252A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- resin
- solution
- ion exchange
- viscous
- organic solution
- 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.)
- Withdrawn
Links
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- 229910021645 metal ion Inorganic materials 0.000 title claims abstract description 9
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- 229920003303 ion-exchange polymer Polymers 0.000 claims abstract description 30
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- 229920001577 copolymer Polymers 0.000 claims abstract description 22
- 229920000642 polymer Polymers 0.000 claims description 54
- 239000002904 solvent Substances 0.000 claims description 27
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- 230000002378 acidificating effect Effects 0.000 claims description 16
- 239000003960 organic solvent Substances 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 5
- 150000001412 amines Chemical class 0.000 claims description 3
- 125000002147 dimethylamino group Chemical group [H]C([H])([H])N(*)C([H])([H])[H] 0.000 claims description 3
- 125000001453 quaternary ammonium group Chemical group 0.000 claims description 3
- 238000005342 ion exchange Methods 0.000 claims 2
- 239000002253 acid Substances 0.000 abstract description 5
- 239000000243 solution Substances 0.000 description 159
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 39
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- 239000000178 monomer Substances 0.000 description 12
- 238000001095 inductively coupled plasma mass spectrometry Methods 0.000 description 10
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- 150000001252 acrylic acid derivatives Chemical class 0.000 description 8
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 7
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- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
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- 150000001768 cations Chemical class 0.000 description 4
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- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 2
- DPBJAVGHACCNRL-UHFFFAOYSA-N 2-(dimethylamino)ethyl prop-2-enoate Chemical compound CN(C)CCOC(=O)C=C DPBJAVGHACCNRL-UHFFFAOYSA-N 0.000 description 2
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- MLHOXUWWKVQEJB-UHFFFAOYSA-N Propyleneglycol diacetate Chemical compound CC(=O)OC(C)COC(C)=O MLHOXUWWKVQEJB-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 229920006243 acrylic copolymer Polymers 0.000 description 2
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- 125000000217 alkyl group Chemical group 0.000 description 2
- 125000004103 aminoalkyl group Chemical group 0.000 description 2
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- 229910052786 argon Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
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- 125000004122 cyclic group Chemical group 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- 150000001993 dienes Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 2
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- CATSNJVOTSVZJV-UHFFFAOYSA-N heptan-2-one Chemical compound CCCCCC(C)=O CATSNJVOTSVZJV-UHFFFAOYSA-N 0.000 description 2
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- UZNHKBFIBYXPDV-UHFFFAOYSA-N trimethyl-[3-(2-methylprop-2-enoylamino)propyl]azanium;chloride Chemical compound [Cl-].CC(=C)C(=O)NCCC[N+](C)(C)C UZNHKBFIBYXPDV-UHFFFAOYSA-N 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 1
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- 238000003379 elimination reaction Methods 0.000 description 1
- GFUIDHWFLMPAGY-UHFFFAOYSA-N ethyl 2-hydroxy-2-methylpropanoate Chemical compound CCOC(=O)C(C)(C)O GFUIDHWFLMPAGY-UHFFFAOYSA-N 0.000 description 1
- UKDLORMZNPQILV-UHFFFAOYSA-N ethyl 3-hydroxypropanoate Chemical compound CCOC(=O)CCO UKDLORMZNPQILV-UHFFFAOYSA-N 0.000 description 1
- 229940116333 ethyl lactate Drugs 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- UBIJTWDKTYCPMQ-UHFFFAOYSA-N hexachlorophosphazene Chemical compound ClP1(Cl)=NP(Cl)(Cl)=NP(Cl)(Cl)=N1 UBIJTWDKTYCPMQ-UHFFFAOYSA-N 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- 238000004255 ion exchange chromatography Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000008263 liquid aerosol Substances 0.000 description 1
- 239000006193 liquid solution Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229920001427 mPEG Polymers 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 150000002688 maleic acid derivatives Chemical class 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000001455 metallic ions Chemical class 0.000 description 1
- 229910052752 metalloid Inorganic materials 0.000 description 1
- 150000002738 metalloids Chemical class 0.000 description 1
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical class CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- DNTMQTKDNSEIFO-UHFFFAOYSA-N n-(hydroxymethyl)-2-methylprop-2-enamide Chemical compound CC(=C)C(=O)NCO DNTMQTKDNSEIFO-UHFFFAOYSA-N 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- HVYCQBKSRWZZGX-UHFFFAOYSA-N naphthalen-1-yl 2-methylprop-2-enoate Chemical compound C1=CC=C2C(OC(=O)C(=C)C)=CC=CC2=C1 HVYCQBKSRWZZGX-UHFFFAOYSA-N 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 239000006199 nebulizer Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- HMMGMWAXVFQUOA-UHFFFAOYSA-N octamethylcyclotetrasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 HMMGMWAXVFQUOA-UHFFFAOYSA-N 0.000 description 1
- 150000002918 oxazolines Chemical class 0.000 description 1
- RPQRDASANLAFCM-UHFFFAOYSA-N oxiran-2-ylmethyl prop-2-enoate Chemical class C=CC(=O)OCC1CO1 RPQRDASANLAFCM-UHFFFAOYSA-N 0.000 description 1
- 150000002924 oxiranes Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- WRAQQYDMVSCOTE-UHFFFAOYSA-N phenyl prop-2-enoate Chemical compound C=CC(=O)OC1=CC=CC=C1 WRAQQYDMVSCOTE-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920003053 polystyrene-divinylbenzene Polymers 0.000 description 1
- 229910001848 post-transition metal Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229940116423 propylene glycol diacetate Drugs 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000001338 self-assembly Methods 0.000 description 1
- 238000012206 semi-quantitative assay Methods 0.000 description 1
- 238000013207 serial dilution Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- GRJISGHXMUQUMC-UHFFFAOYSA-N silyl prop-2-enoate Chemical class [SiH3]OC(=O)C=C GRJISGHXMUQUMC-UHFFFAOYSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-N sulfonic acid Chemical compound OS(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910021654 trace metal Inorganic materials 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- YFHICDDUDORKJB-UHFFFAOYSA-N trimethylene carbonate Chemical compound O=C1OCCCO1 YFHICDDUDORKJB-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/08—Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/16—Organic material
- B01J39/18—Macromolecular compounds
- B01J39/20—Macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/26—Selective adsorption, e.g. chromatography characterised by the separation mechanism
- B01D15/36—Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion
- B01D15/361—Ion-exchange
- B01D15/362—Cation-exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/04—Processes using organic exchangers
- B01J39/05—Processes using organic exchangers in the strongly acidic form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/04—Processes using organic exchangers
- B01J39/07—Processes using organic exchangers in the weakly acidic form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/26—Cation exchangers for chromatographic processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J47/00—Ion-exchange processes in general; Apparatus therefor
- B01J47/02—Column or bed processes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F6/00—Post-polymerisation treatments
- C08F6/02—Neutralisation of the polymerisation mass, e.g. killing the catalyst also removal of catalyst residues
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F6/00—Post-polymerisation treatments
- C08F6/06—Treatment of polymer solutions
- C08F6/12—Separation of polymers from solutions
-
- 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
- C08G85/00—General processes for preparing compounds provided for in this subclass
- C08G85/002—Post-polymerisation treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/02—Recovery or working-up of waste materials of solvents, plasticisers or unreacted monomers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/20—Manufacture of shaped structures of ion-exchange resins
- C08J5/22—Films, membranes or diaphragms
- C08J5/2287—After-treatment
Definitions
- the present invention relates to the purification of viscous organic solutions comprising one or more organic solvents. More particularly, the present invention relates to the removal of traces of metals in viscous organic liquid solutions. These traces may be in metallic, ionic or complexed form.
- the viscous organic solutions may consist of a solvent or a mixture of solvents. They may further comprise one or more polymers or copolymers in solution in this or these solvents.
- ion exchange resins are used in basic form, or in the form of a mixture of a basic resin and an acidic resin, in order to eliminate metals in solutions.
- polymer-solvent ion exchange resins are used in basic form, or in the form of a mixture of a basic resin and an acidic resin, in order to eliminate metals in solutions.
- polymer-solvent the exemplified process describes solutions based on low molecular weight polymer (the weight-average molecular weight is typically of the order of 40000 g / mol) and low concentration (typically 2% by weight of polymer in a solvent) if although the solutions described are not viscous within the meaning of the present invention.
- the exemplified process appears complicated to implement because it consists in preparing a slurry of resins - polymer solution.
- the polymer-solvent solutions to be decontaminated comprise polymers of low molecular weight and at low concentrations, so that they are poorly viscous,
- EP1 132410, EP0544324 and EP0544325 disclose methods for removing metals from a polymer solution by contacting said polymer solution with a strongly acidic ion exchange resin, particularly a sulfonic type resin. having a styrene-vinylbenzene-based structure. These methods make it possible to obtain satisfactory results in terms of decontamination, but the applicant has sought an improved alternative method.
- the invention therefore aims to provide an improved process for the treatment of viscous organic solutions, if only to improve the productivity of these viscous solutions consisting of solvent (s) and optionally comprising one or more polymer (s), the said polymer (s) being at high concentrations in solutions and / or having a high molecular weight.
- the present invention relates to a method for removing metal ions in a viscous organic solution, the viscosity at 20 ° C is between 1 and 1000 cP, said method being characterized in that it comprises the steps of providing, in a column, a macroporous ion exchange resin, said resin comprising at least one carboxylic acid-based resin, based on a copolymer having active groups in carboxylic form (C0 2 H), and then passing the viscous organic solution continuously on said ion exchange resin.
- the metals present in the viscous solution are exchanged by the protons of the acid resin until the content of each of the metals present in solution is less than 100 ppb and preferably less than 10 ppb.
- the resin is entirely composed of an acidic resin of carboxylic type, based on a copolymer having active groups in carboxylic form (C0 2 H), - the contact time between the viscous organic solution and the ion exchange resin is between 1 minute and 12 hours, preferably between 10 minutes and 4 hours, the ion exchange resin has a porosity of between 100 ⁇ and 600 ⁇ ; the ion exchange resin has a specific surface area of between 20 and 600 m 2 / g; the ion exchange resin has an active group concentration of between 0.7 eq / L and 10 eq / L and preferably between 0.7 eq / L and 5 eq / L;
- the viscosity of the organic viscous solution is preferably between 5 and 1000 cP at 20 ° C., and more preferably between 5 and 400 cP at 20 ° C., contacting the viscous organic solution to be decontaminated with the ion exchange resin takes place at a temperature ranging from 18 to 120 ° C, the viscous organic solution comprises a solvent or a mixture of organic solvents, the viscous organic solution comprises in addition, a polymer or a mixture of polymers,
- At least one other macroporous ion exchange resin is disposed in said column, said other resin being a basic resin comprising active groups either in the form of amine, dimethylamino type or in the form of quaternary ammonium,
- the method furthermore consists in pumping the viscous organic solution at the outlet of the column and reinjecting it at the top of the column in order to circulate the viscous organic solution in several passages over the said ion-exchange resin, until obtaining a predetermined contact time of between 1 minute and 12 hours, preferably between 10 minutes and 4 hours.
- FIG. 1 curves representing the dynamic viscosity at 20 ° C. of an organic solution comprising an acrylic polymer, of high molar mass, at different concentrations,
- FIG. 2 two curves each representing the dynamic viscosity at 20 ° C. of a solution comprising a polymer, the two solutions comprising an identical concentration of polymer, but the polymer of one of the solutions having a higher molar mass than the polymer of the other solution,
- viscous organic solution is meant here an organic solution whose viscosity, measured at 20 ° C, is between 1 and 1000 cP (centipoise), preferably between 5 and 400 cP.
- polymer is meant either a copolymer, of statistical type, gradient, block, or alternating, or a homopolymer.
- metal includes alkalis, alkaline earth metals, transition metals, post-transition metals and metalloids.
- any cation M n + (n being an integer greater than or equal to 1) contained in the viscous organic solution is retained and exchanged by nH + protons of a sulfonic resin comprising active groups in sulphonic form (SO 3 H) or a carboxylic resin comprising active groups in carboxylic form (C0 2 H).
- the sulfonic or carboxylic resin is based on a polystyrene-divinylbenzene copolymer.
- these resins have a skeleton resistant to chemical attack of different organic solvents.
- These resins are generally defined by their level of divinylbenzene (DVB). Indeed, the latter determines the rate of crosslinking of the resin and therefore the size of the pores in which the cation exchange is at the atomic scale.
- the porosity of the sulfonic resin is between 100 and 600 ⁇ . Such porosity ensures a good kinetic activity of the exchange of Mn + cations by nH +.
- the ion exchange resin has an active group concentration of between 0.7 eq / L and 10 eq / L, and preferably between 0.7 eq / L and 5 eq / L.
- the contact time between the ion exchange resin and the viscous solution must be controlled. Indeed, this contact time must be on the one hand short enough for the process to be compatible with industrial use and to prevent the resin can catalyze the formation of undesirable species and on the other hand, long enough for the viscous solution can be purified and present traces of metals whose contents are less than 100 ppb and preferably less than 10 ppb.
- the contact time between the resin and the viscous organic solution depends on the temperature and the ratio between the exchange capacity of the resin and the quantity of metal cations to be exchanged and must be greater than a minimum threshold value of 1 minute, and preferably greater than 10 minutes.
- the contact time must in particular be controlled depending on the volume of ion exchange resin on which the viscous solution flows. Indeed, the larger the volume of resin, the more the contact time between the viscous solution and the resin can be shortened, and vice versa.
- This contact time must also be controlled according to the viscosity of the solution. Indeed, the more the solution is viscous, the more the contact time must be increased, and vice versa.
- the contact time must be greater than 1 minute and less than 12 hours, and even more preferably, it must be between 10 minutes and 4 hours.
- a pumping device that returns the entire solution at the column head for an additional passage on the resin. Thus, it is possible to reinject the viscous solution into the column several times until the predetermined contact time, between 1 minute and 12 hours, preferably between 10 minutes and 4 hours, is reached.
- the contact between the viscous organic solution and the resin takes place at a temperature ranging from 18 ° C to 120 ° C, the temperature of 120 ° C being the temperature limit of thermal stability of the resin.
- the temperature is between 18 and 80 ° C.
- the viscous solution to be decontaminated may be brought into contact with at least two ion exchange resins, at least one of which is a sulfonic or carboxylic type resin and the other (or the others) is a basic resin comprising active groups either in the dimethylamino type weakly basic amine form or in the strongly basic form of the quaternary ammonium type.
- the viscous organic solutions to be purified comprise a solvent or a mixture of solvents. They may further comprise a polymer or a mixture of polymers.
- the solvent or solvents may be polar (s) or apolar (s). It is (are) for example chosen from at least one of the following solvents: propylene glycol monomethyl ether acetate (PGMEA), propylene glycol methyl ether, ethyl lactate, 2-heptanone, anisole, methyl anisole, ethyl acetate, butyl acetate, butyrolactone, cyclohexanone, diethyloxylate, diethylmalonate, ethylene glycol diacetate, propylene glycol diacetate, ethyl 2-hydroxyisobutyrate and ethyl-3-hydroxypropionate, toluene, ethylbenzene, cyclohexane, tetrahydrofuran.
- PMEA propylene glycol monomethyl ether acetate
- PGMEA propylene glycol methyl ether
- ethyl lactate 2-heptanone
- any type of polymer, or mixture of polymers, which can be solubilized in the solvent or mixture of solvents used may also be incorporated in the solution.
- the polymers can therefore be copolymers of statistical, gradient, block, or alternating type, or homopolymers.
- the constituent comonomers of the polymers that may be incorporated in the viscous solution are, for example, chosen from the following monomers: vinyl, vinylidene, diene, olefinic, allylic or (meth) acrylic or cyclic monomers.
- These monomers are chosen more particularly from vinylaromatic monomers such as styrene or substituted styrenes, especially alpha-methylstyrene, silylated styrenes, acrylic monomers such as acrylic acid or its salts, alkyl acrylates and cycloalkyl acrylates.
- vinylaromatic monomers such as styrene or substituted styrenes, especially alpha-methylstyrene, silylated styrenes, acrylic monomers such as acrylic acid or its salts, alkyl acrylates and cycloalkyl acrylates.
- aryl such as methyl acrylate, ethyl acrylate, butyl acrylate, ethylhexyl acrylate or phenyl acrylate, hydroxyalkyl acrylates such as 2-hydroxyethyl acrylate, ether alkyl acrylates such as 2-methoxyethyl acrylate, alkoxy- or aryloxy-polyalkyleneglycol acrylates such as methoxypolyethyleneglycol acrylates, ethoxypolyethyleneglycol acrylates, methoxypolypropyleneglycol acrylates, methoxy-polyethyleneglycol-polypropyleneglycol acrylates or mixtures thereof, acrylates of aminoalkyl such as 2- (dimethylamino) ethyl acrylate (ADAME), fluorinated acrylates, silyl acrylates, phosphorus acrylates such as alkylene glycol phosphate acrylates, glycidyl
- the solution comprises one or more polymer (s) used in the field of direct self-assembly lithography (DSA), such as acrylic copolymers based on styrene (S) and methyl methacrylate. (MMA), noted PS-b-PMMA for block copolymers or PS-siai-PMMA for random copolymers for example.
- DSA direct self-assembly lithography
- PS-b-PMMA for block copolymers
- PS-siai-PMMA for random copolymers for example.
- an imposed stress rheometer with a Couette geometry was used, such as the Physica MCR 301 rheometer manufactured by Anton Paar.
- the geometry used is concentric cylindrical (quilt) aluminum, the characteristics of which are as follows: - For the mobile: diameter 27 mm and length 40 mm,
- the reference of the tank / mobile assembly is named CC27.
- the temperature is ensured by Peltier effect and fixed at 20 ° C.
- the range of shear gradient varies from 0.1 to 1000s -1 with a log variation and is 6 points per decade.
- ICP-AES Inductively Coupled Plasma - Atomic Emission Spectroscopy
- ICP-MS Inductively Coupled Plasma - Mass Spectrometry
- ICP-AES atomic emission spectrometry-plasma torch
- ICP-MS Inductively Coupled Plasma Mass Spectrometry analysis consists in introducing the sample into solution in a vaporization chamber where a nebulizer transforms it into a liquid aerosol consisting of micro droplets using argon gas.
- the aerosol thus formed is sent into an argon plasma torch at very high temperature, sufficient to vaporize, dissociate, atomize and completely ionize most elements.
- the ions are then extracted by a series of cones towards a mass spectrometer which allows to separate and quantify the different ions.
- the viscosity of two organic solutions comprising a solvent and copolymers was measured at 20 ° C, depending on the concentration of copolymer in the solvent on the one hand and the molar mass of the copolymer on the other hand. The viscosity of these two solutions was further compared to the viscosity of the solvent alone.
- the copolymers introduced into the studied solutions are acrylic copolymers, PS / PMMA, composition, molecular weight and different structure.
- a first studied solution, referenced S1 in Table I below and in Figures 1 and 2 comprises PGMEA electronic grade mixed with a PS-b-PMMA block copolymer manufactured by Arkema. This copolymer has a high molecular weight by weight (Mw) of 162.4 kg / mol, a dispersancy index of 1.35, a weight percentage of PS of 68.8% and a weight percentage of PMMA of 31, 2%.
- Mw molecular weight by weight
- this first solution S1 was measured as a function of the concentration of block copolymer in the solution, the concentration varying between 5 and 20% by weight of the solution. The results of these measurements are reported in Table I below and on the curves of Figure 1. The higher the polymer concentration in the solution, the higher the viscosity. Depending on the polymer concentration in the solution, the viscosity of the solution varies between 6cP and 400cP.
- this first solution S1 when the polymer concentration is equal to 10% by weight, was compared to the viscosity of a second solution, referenced S2 in Table I below and in Figure 2.
- a second solution referenced S2 in Table I below and in Figure 2.
- This copolymer has a low molecular weight by weight (Mw) equal to 9.9 kg / mol, a dispersity index of 1.34, a percentage by weight of PS equal to 67.6% and a weight percentage of PMMA equal to 32.4%.
- the solution S2 whose viscosity is compared with that of the solution S1 at 10% by weight of copolymer, is therefore carried out with an identical polymer concentration, that is to say equal to 10% by weight of copolymer in the solution.
- the results of these measurements are shown in Table I below and on the curves of FIG. 2. It follows from these measurements that the viscosity increases with the increase in the molar mass of the polymer in solution.
- the ion exchange resin used to carry out the decontamination of viscous solutions is a sulphonic acid resin comprising sulphonic active groups S0 3 H. More particularly, in one example, the resin used can be the resin. Amberlyst ® 15 Dry sold by Rohm & Haas. This resin is highly acidic and comprises active groups in the sulfonic form S0 3 H. It comprises a macroreticulated styrene-divinylbenzene based matrix and has a specific surface area of 53 m 2 / g and pore diameters of 300 ⁇ . .
- This resin makes it possible to decontaminate viscous solutions of metals. It allows in particular, but not exclusively, to eliminate the following metals: Cr, Mn, Ag, Sn, Ba, Al, Mg, Ti, Zn, Fe, K, As, W, Li, V, Co, Ni, Cu , Mo, Cd, Au, Pb, Ca, B, Na, Te.
- This Amberlyst ® 15 Dry resin is deposited in a column and compacted so that it does not form air bubble or crack, likely to create a preferential path for the viscous solution. A filter arranged at the bottom of the column separate the purified viscous solution from the resin.
- methanol Prior to bringing the viscous solution into contact, methanol is passed over the resin in order to clean it until the solvent comes out colorless. Then the solvent of the viscous solution, PGMEA alone in this example, was passed over the column to remove the methanol. Finally, the viscous polymer solution is passed over the resin. In this procedure, it is best not to allow the resin to dry.
- the contact time between the resin and the viscous solution must be controlled, depending on the volume of resin used and the viscosity of the viscous solution to be decontaminated.
- the contact time should be between 1 minute and 12 hours, and even more preferably between 10 minutes and 4 hours.
- samples of the viscous solution at the column outlet are made at regular intervals. A little polymer in the form of a powder is recovered by precipitation of the viscous solution of PGMEA in methanol and then dried.
- a first solution, referenced S3, comprises PGMEA electronic grade mixed with a block copolymer of PS-fc> -PMMA manufactured by Arkema, whose molar mass by weight is equal to 57.7 kg / mol the dispersancy index is 1.09, the weight percentage of PS is 67.2% and the weight percentage of PMMA is 32.8%.
- a second studied solution, referenced S4, comprises PGMEA electronic grade mixed with a PS-b-PMMA block copolymer manufactured by Arkema, whose molar mass by weight is equal to 80.6 kg / mol the dispersancy index is 1, 14, the weight percentage of PS is 47.9% and the weight percentage of PMMA is 52.1%.
- a third solution studied, referenced S5 comprises PGMEA electronic grade mixed with a PS-b-PMMA block copolymer manufactured by Arkema, whose molar mass is equal to 43.2 kg / mol the dispersancy index is 1, 10, the weight percentage of PS is 41.9% and the weight percentage of PMMA is 58.1%.
- the dielectric constants of the constituents of the two solutions are as follows:
- the ICP-MS or AES analyzes of the polymers, in powder form, after passing through the Amberlyst resin for the S4 solution, or after a simple precipitation of the S3 and S5 solutions in methanol, reveal that the viscous solution S4 passed the resin is properly decontaminated, all contaminants being present at very low levels, less than 10ppb, unlike solutions S3 and S5 that have not been in contact with the resin.
- the contact time between the viscous solution and the resin is very important for obtaining optimum decontamination.
- the Applicant has found that for optimum decontamination of the viscous solution S4, the contact time must be greater than 1 minute and preferably greater than 10 minutes.
- the contact time must further be less than 12 hours and even more preferably less than 4 hours.
- the ion exchange resin used to carry out the decontamination of viscous solutions is an acrylic acid resin comprising carboxylic active groups C0 2 H. More particularly, in one example, the resin used may be the Purolite® C104Plus resin marketed by US Pat. Purolite society. This resin is weakly acidic and comprises active groups in carboxylic form C0 2 H. It comprises a matrix based on crosslinked poly (acrylic acid) and has a particle size distribution of between 300 and 1600 ⁇ .
- a filter disposed at the bottom of the column separates the purified viscous solution from the resin.
- methanol Prior to contacting the viscous solution, methanol is passed over the resin to clean and dehydrate until the solvent comes out colorless. Then the solvent of the viscous solution, PGMEA alone in this example, was passed over the column to remove the methanol. Finally, the viscous polymer solution is passed over the resin at a flow rate of 0.8 L / h. In this procedure, it is best not to allow the resin to dry.
- the contact time between the resin and the viscous solution must be controlled, depending on the volume of resin used and the viscosity of the viscous solution to be decontaminated.
- the contact time should be between 1 minute and 12 hours, and even more preferably between 10 minutes and 4 hours.
- samples of the viscous solution at the column outlet are made at regular intervals. A little polymer in the form of a powder is recovered by precipitation of the viscous solution of PGMEA in methanol and then dried.
- a solution referenced S6 in Table II below, comprises PGMEA electronic grade mixed with a block copolymer of PS-b-PMMA manufactured by Arkema, whose molar mass by weight is equal to 44. , 9 kg / mol, the dispersancy index is equal to 1, 10, the weight percentage of PS is equal to 43.1% and the weight percentage of PMMA is equal to 56.9%.
- the viscous solution S6 was prepared at 4% by mass of polymer in the PGMEA.
- the solution S6 was brought into contact with the polyacrylic resin.
- the metal traces of the solution were then measured and compared to the metal traces measured for the other solutions S3, S4 and S5 of the preceding example, which were not brought into contact with a resin (for S3 and S5) or which have been in contact with a strongly acidic sulfonic resin (for S4).
- the results of the comparisons are summarized in Table II below.
- the ICP-MS or AES analyzes of the polymers, in powder form, after passage through the Purolite® resin for the S6 solution, reveal that the viscous solution S6 passed on the resin is properly decontaminated, all the contaminants being present at very low levels, lower than 10ppb, unlike solutions S3 and S5 that have not been in contact with the resin.
- Example 4 Metal Decontamination on a Resin Mixture Containing a Slightly Acidic Resin
- the ion exchange resin used to carry out the decontamination of viscous solutions is an equimassic mixture of Amberlyst ® 15 Dry resin (150 g), marketed by the company Rohm & Haas described in Example 2, and Purolite resin. ® C104Plus (150 g), sold by the company Purolite described in Example 3. This resin mixture is packaged according to the procedures described in Examples 2 and 3.
- the metal traces of the S7 solution were then measured and compared to the metal traces measured for the other solutions S3, S4, S5 and S6 of the previous Examples 2 and 3, which were not brought into contact with a resin (for S3 and S5) or which have been in contact with a strongly acidic sulfonic resin (for S4) or in contact with a weakly acidic resin of carboxylic type (for S6).
- the results of the comparisons are summarized in Table II below.
- the ICP-MS or AES analyzes of the polymers, in powder form, after passing over the resin mixture for the S7 solution, reveal that the viscous solution S7 passed over the resin mixture is properly decontaminated, all the contaminants being present at very low levels, less than 10ppb, unlike solutions S3 and S5 that have not been in contact with the resin.
- Table II summarizes the results obtained by ICP-MS: the set of values given corresponds to polymer solutions passed to 1 .4% in the PGMEA.
- the precipitation of the polymer is carried out in a small bottle, usually crimped, more commonly known by its English terminology "vial" of 2 ml.
- Exactly 50 mg of sample to be analyzed are weighed exactly to which 200 ⁇ l of dichloromethane are added. Once the sample is dissolved, the polymer is precipitated with an addition of 1400 ⁇ l of methanol. Shake and filter the 0.45 ⁇ PTFE disk solution and introduce it into a 2 ml "vial" equipped with a 250 ⁇ insert for injection of small volumes. The filtrate is injected by autosampler, and analyzed by GC / MS coupling.
- sample to be analyzed are weighed exactly to exactly 150 ⁇ l of dichloromethane + 50 ⁇ l of a dilute solution of toluene. Once the sample is dissolved, the polymer is precipitated with an addition of 1400 ⁇ l of methanol. Shake and filter the 0.45 ⁇ PTFE disk solution and introduce it into a 2 ml "vial" equipped with a 250 ⁇ insert for injection of small volumes.
- the filtrate is injected by autosampler, and analyzed by GC / MS coupling.
- a mixture is made with 50 ⁇ of PGMEA, 200 ⁇ of dichloromethane and 1400 ⁇ of methanol.
- Table III summarizes the different identifications carried out.
- the formulas developed correspond to the structures exhibiting the best compatibility with the fragmentations observed in the electron ionization mass spectra (EI +) of FIG. 3, which represents, in the upper part, the spectrum of the S4 solution sample. after passage over strongly acidic sulfonic resin and, in the lower part, the spectrum of white solvents. However other isomeric structures are not excluded.
- Peak numbers refer to chromatographic profiles.
- the semi-quantitative assays expressed in mass%, are obtained by external calibration: - Acetic acid is measured relative to its own calibration line.
- the solution S4 after passage over acidic sulfonic resin contains acetic acid, 1-methoxy-2-propanol and 1,2-propanediol, diacetate in contrast to solutions S6 and S7 passed on carboxylic resins or on mixture of resins containing at least one carboxylic resin. Consequently, the use of a weakly acidic, carboxylic type resin makes it possible to degrade the quality of a solution containing a strong acid-sensitive compound such as PGMEA.
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- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Materials Engineering (AREA)
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- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
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- Treatment Of Water By Ion Exchange (AREA)
Abstract
Description
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Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1455002A FR3021551A1 (fr) | 2014-06-03 | 2014-06-03 | Procede d'elimination d'ions metalliques dans une solution organique visqueuse |
| PCT/FR2015/051427 WO2015185835A1 (fr) | 2014-06-03 | 2015-06-01 | Procédé d'élimination d'ions métalliques dans une solution organique visqueuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3152252A1 true EP3152252A1 (fr) | 2017-04-12 |
Family
ID=51485649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP15732823.8A Withdrawn EP3152252A1 (fr) | 2014-06-03 | 2015-06-01 | Procédé d'élimination d'ions métalliques dans une solution organique visqueuse |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20170197204A1 (fr) |
| EP (1) | EP3152252A1 (fr) |
| JP (1) | JP2017524754A (fr) |
| KR (1) | KR101882124B1 (fr) |
| CN (1) | CN106413833A (fr) |
| FR (1) | FR3021551A1 (fr) |
| SG (1) | SG11201610137YA (fr) |
| WO (1) | WO2015185835A1 (fr) |
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| CN110023383B (zh) | 2016-11-30 | 2022-03-18 | 株式会社Lg化学 | 层合体 |
| EP4149886A1 (fr) | 2020-05-13 | 2023-03-22 | Katholieke Universiteit Leuven, KU Leuven R&D | Méthode de production de monohydrate d'hydroxyde de lithium de qualité batterie |
| WO2022209391A1 (fr) * | 2021-03-31 | 2022-10-06 | オルガノ株式会社 | Procédé et appareil pour purifier un liquide non aqueux, et procédé de production de résine échangeuse d'ions et appareil de prétraitement |
| CN114588953B (zh) * | 2022-04-01 | 2023-12-01 | 丹东明珠特种树脂有限公司 | 醚化制备工艺甲醇萃取水脱酸剂和其制备方法 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1247761A (fr) * | 1983-12-13 | 1988-12-28 | Robert Kunin | Traitement de solutions aqueuses a l'aide de resines echangeuses d'ions faiblement acides |
| US4970344A (en) * | 1987-07-02 | 1990-11-13 | Conoco Inc. | Reactivation of spent alkanolamine |
| JPH0768297B2 (ja) * | 1991-11-28 | 1995-07-26 | 丸善石油化学株式会社 | フォトレジスト用ビニルフェノール系重合体の精製方法 |
| JPH0768296B2 (ja) * | 1991-11-28 | 1995-07-26 | 丸善石油化学株式会社 | ビニルフェノール系重合体の金属除去方法 |
| US5521052A (en) * | 1994-12-30 | 1996-05-28 | Hoechst Celanese Corporation | Metal ion reduction in novolak resin using an ion exchange catalyst in a polar solvent and photoresists compositions therefrom |
| JPH08253527A (ja) * | 1995-03-17 | 1996-10-01 | Mitsubishi Rayon Co Ltd | メタクリル樹脂の精製法 |
| FR2741341B1 (fr) * | 1995-11-17 | 1997-12-26 | Elf Aquitaine | Procede de purification du dimethylsulfoxyde (dmso) |
| JPH09173833A (ja) * | 1995-12-22 | 1997-07-08 | Mitsui Toatsu Chem Inc | 金属イオンの除去法 |
| FR2763330B1 (fr) | 1997-05-15 | 1999-07-30 | Atochem Elf Sa | Procede de purification de liquides organiques quasi anhydres |
| FR2763333B1 (fr) * | 1997-05-15 | 1999-06-25 | Elf Aquitaine | Procede de purification de dimethylsulfoxyde (dmso) |
| FR2763332B1 (fr) | 1997-05-15 | 1999-06-25 | Elf Aquitaine | Procede de purification de dimethylsulfoxyde (dmso) |
| JP2001125277A (ja) * | 1999-10-29 | 2001-05-11 | Sumitomo Chem Co Ltd | 不純物量の低減されたフォトレジスト溶液の製造方法及びそのための液体精製装置 |
| JP4977286B2 (ja) * | 2000-03-07 | 2012-07-18 | 日東電工株式会社 | 重合体の製造方法 |
| US20050003499A1 (en) * | 2003-06-09 | 2005-01-06 | Vilmos Keri | Ion-exchange filtration of fermentation broth |
| CN1786058A (zh) * | 2005-11-17 | 2006-06-14 | 江苏工业学院 | 具有脱除硫醇作用的羧酸铜型树脂材料 |
| JP2008308565A (ja) * | 2007-06-14 | 2008-12-25 | Toray Ind Inc | 熱可塑性共重合の製造方法 |
| JP2010039148A (ja) * | 2008-08-05 | 2010-02-18 | Jsr Corp | 液浸上層膜形成用組成物の製造方法 |
| US8524087B2 (en) * | 2009-12-23 | 2013-09-03 | Uop Llc | Low metal, low water biomass-derived pyrolysis oils and methods for producing the same |
| TWI402296B (zh) * | 2009-12-31 | 2013-07-21 | Daxin Materials Corp | 聚醯胺酸樹脂與聚亞醯胺樹脂的純化方法 |
| JP6009218B2 (ja) * | 2011-05-24 | 2016-10-19 | ローム アンド ハース エレクトロニック マテリアルズ エルエルシーRohm and Haas Electronic Materials LLC | アルファ粒子放射体除去 |
| US8686109B2 (en) | 2012-03-09 | 2014-04-01 | Az Electronic Materials (Luxembourg) S.A.R.L. | Methods and materials for removing metals in block copolymers |
-
2014
- 2014-06-03 FR FR1455002A patent/FR3021551A1/fr not_active Withdrawn
-
2015
- 2015-06-01 CN CN201580030290.7A patent/CN106413833A/zh active Pending
- 2015-06-01 EP EP15732823.8A patent/EP3152252A1/fr not_active Withdrawn
- 2015-06-01 SG SG11201610137YA patent/SG11201610137YA/en unknown
- 2015-06-01 JP JP2016571040A patent/JP2017524754A/ja active Pending
- 2015-06-01 US US15/314,803 patent/US20170197204A1/en not_active Abandoned
- 2015-06-01 WO PCT/FR2015/051427 patent/WO2015185835A1/fr not_active Ceased
- 2015-06-01 KR KR1020167033927A patent/KR101882124B1/ko not_active Expired - Fee Related
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| See references of WO2015185835A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20170197204A1 (en) | 2017-07-13 |
| SG11201610137YA (en) | 2017-03-30 |
| FR3021551A1 (fr) | 2015-12-04 |
| CN106413833A (zh) | 2017-02-15 |
| JP2017524754A (ja) | 2017-08-31 |
| KR20170003625A (ko) | 2017-01-09 |
| WO2015185835A1 (fr) | 2015-12-10 |
| KR101882124B1 (ko) | 2018-07-25 |
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