CA1076065A - Method of making porous plastic diaphragms and the resulting novel diaphragms - Google Patents
Method of making porous plastic diaphragms and the resulting novel diaphragmsInfo
- Publication number
- CA1076065A CA1076065A CA254,498A CA254498A CA1076065A CA 1076065 A CA1076065 A CA 1076065A CA 254498 A CA254498 A CA 254498A CA 1076065 A CA1076065 A CA 1076065A
- Authority
- CA
- Canada
- Prior art keywords
- porous
- diaphragm
- uniform
- former
- membrane
- 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.)
- Expired
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 239000004033 plastic Substances 0.000 title description 2
- 239000010425 asbestos Substances 0.000 claims abstract description 31
- 229910052895 riebeckite Inorganic materials 0.000 claims abstract description 31
- 239000012528 membrane Substances 0.000 claims abstract description 21
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 19
- 239000000725 suspension Substances 0.000 claims abstract description 19
- 239000002952 polymeric resin Substances 0.000 claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 14
- 239000011707 mineral Substances 0.000 claims abstract description 14
- 239000007787 solid Substances 0.000 claims abstract description 14
- 239000000835 fiber Substances 0.000 claims abstract description 13
- 229920002313 fluoropolymer Polymers 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 12
- 229920000126 latex Polymers 0.000 claims abstract description 9
- 239000004816 latex Substances 0.000 claims abstract description 8
- 239000003945 anionic surfactant Substances 0.000 claims abstract description 7
- 238000002844 melting Methods 0.000 claims abstract description 5
- 230000008018 melting Effects 0.000 claims abstract description 5
- 238000000151 deposition Methods 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 239000011148 porous material Substances 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 15
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical group [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 14
- 239000004744 fabric Substances 0.000 claims description 11
- -1 polytetrafluoroethylene Polymers 0.000 claims description 8
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- YHAIUSTWZPMYGG-UHFFFAOYSA-L disodium;2,2-dioctyl-3-sulfobutanedioate Chemical group [Na+].[Na+].CCCCCCCCC(C([O-])=O)(C(C([O-])=O)S(O)(=O)=O)CCCCCCCC YHAIUSTWZPMYGG-UHFFFAOYSA-L 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 239000004094 surface-active agent Substances 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical compound OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 claims description 2
- 150000008052 alkyl sulfonates Chemical class 0.000 claims description 2
- 238000000354 decomposition reaction Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 1
- TYLSDQJYPYQCRK-UHFFFAOYSA-N sulfo 4-amino-4-oxobutanoate Chemical compound NC(=O)CCC(=O)OS(O)(=O)=O TYLSDQJYPYQCRK-UHFFFAOYSA-N 0.000 claims 1
- 238000005868 electrolysis reaction Methods 0.000 abstract description 15
- 229910001514 alkali metal chloride Inorganic materials 0.000 abstract 1
- 210000000188 diaphragm Anatomy 0.000 description 47
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 16
- 239000003795 chemical substances by application Substances 0.000 description 13
- 239000000203 mixture Substances 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 235000010216 calcium carbonate Nutrition 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 238000013019 agitation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 235000010755 mineral Nutrition 0.000 description 4
- 229920003002 synthetic resin Polymers 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052729 chemical element Inorganic materials 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 239000012982 microporous membrane Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- CWBIFDGMOSWLRQ-UHFFFAOYSA-N trimagnesium;hydroxy(trioxido)silane;hydrate Chemical compound O.[Mg+2].[Mg+2].[Mg+2].O[Si]([O-])([O-])[O-].O[Si]([O-])([O-])[O-] CWBIFDGMOSWLRQ-UHFFFAOYSA-N 0.000 description 2
- PEVRKKOYEFPFMN-UHFFFAOYSA-N 1,1,2,3,3,3-hexafluoroprop-1-ene;1,1,2,2-tetrafluoroethene Chemical group FC(F)=C(F)F.FC(F)=C(F)C(F)(F)F PEVRKKOYEFPFMN-UHFFFAOYSA-N 0.000 description 1
- BCFOOQRXUXKJCL-UHFFFAOYSA-N 4-amino-4-oxo-2-sulfobutanoic acid Chemical class NC(=O)CC(C(O)=O)S(O)(=O)=O BCFOOQRXUXKJCL-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229940045714 alkyl sulfonate alkylating agent Drugs 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- XTEGARKTQYYJKE-UHFFFAOYSA-N chloric acid Chemical compound OCl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-N 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- JMGZBMRVDHKMKB-UHFFFAOYSA-L disodium;2-sulfobutanedioate Chemical compound [Na+].[Na+].OS(=O)(=O)C(C([O-])=O)CC([O-])=O JMGZBMRVDHKMKB-UHFFFAOYSA-L 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000135 prohibitive effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B13/00—Diaphragms; Spacing elements
- C25B13/04—Diaphragms; Spacing elements characterised by the material
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Engineering & Computer Science (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
- Electrolytic Production Of Metals (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Diaphragms And Bellows (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7518246A FR2314214A2 (fr) | 1975-06-11 | 1975-06-11 | Procede de fabrication de diaphragmes plastiques poreux et nouveaux diaphragmes ainsi obtenus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1076065A true CA1076065A (en) | 1980-04-22 |
Family
ID=9156358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA254,498A Expired CA1076065A (en) | 1975-06-11 | 1976-06-10 | Method of making porous plastic diaphragms and the resulting novel diaphragms |
Country Status (14)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE60464T1 (de) * | 1983-11-02 | 1991-02-15 | Scimat Ltd | Geschuetzte metallische komponenten. |
| FR2589787B1 (fr) * | 1985-09-27 | 1988-05-20 | Rhone Poulenc Chim Base | Materiau microporeux, procede pour son obtention, et applications notamment a la realisation d'elements cathodiques |
| CN112793158A (zh) * | 2020-12-28 | 2021-05-14 | 广东石油化工学院 | 一种上下并置对接型水下3d打印机 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2944956A (en) * | 1956-11-16 | 1960-07-12 | Dow Chemical Co | Chlorine cell having protected diaphragm |
| US3723264A (en) * | 1969-04-28 | 1973-03-27 | Pullman Inc | Electrochemical oxidation of olefinic compounds |
| BE788557A (fr) * | 1971-09-09 | 1973-03-08 | Ppg Industries Inc | Diaphragmes pour cellules electrolytiques |
-
1975
- 1975-06-11 FR FR7518246A patent/FR2314214A2/fr active Granted
-
1976
- 1976-06-09 SU SU762367201A patent/SU651659A4/ru active
- 1976-06-10 ES ES448740A patent/ES448740A2/es not_active Expired
- 1976-06-10 NL NL7606264A patent/NL7606264A/xx not_active Application Discontinuation
- 1976-06-10 GB GB24102/76A patent/GB1549741A/en not_active Expired
- 1976-06-10 IT IT49883/76A patent/IT1061672B/it active
- 1976-06-10 DE DE2626064A patent/DE2626064C3/de not_active Expired
- 1976-06-10 BE BE167806A patent/BE842808R/xx not_active IP Right Cessation
- 1976-06-10 JP JP51068173A patent/JPS52843A/ja active Pending
- 1976-06-10 NO NO762003A patent/NO145847C/no unknown
- 1976-06-10 CA CA254,498A patent/CA1076065A/en not_active Expired
- 1976-06-11 AT AT430576A patent/AT342622B/de not_active IP Right Cessation
- 1976-06-11 SE SE7606660A patent/SE7606660L/ not_active Application Discontinuation
- 1976-06-11 CH CH745076A patent/CH596328A5/xx not_active IP Right Cessation
-
1985
- 1985-06-12 JP JP60127889A patent/JPS6119790A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| BE842808R (fr) | 1976-12-10 |
| JPS52843A (en) | 1977-01-06 |
| ATA430576A (de) | 1977-08-15 |
| SE7606660L (sv) | 1976-12-12 |
| DE2626064B2 (de) | 1978-05-24 |
| NO145847C (no) | 1982-06-16 |
| JPS6330994B2 (enrdf_load_html_response) | 1988-06-21 |
| NL7606264A (nl) | 1976-12-14 |
| AT342622B (de) | 1978-04-10 |
| JPS6119790A (ja) | 1986-01-28 |
| DE2626064A1 (de) | 1976-12-16 |
| GB1549741A (en) | 1979-08-08 |
| DE2626064C3 (de) | 1979-01-18 |
| FR2314214B2 (enrdf_load_html_response) | 1979-08-03 |
| CH596328A5 (enrdf_load_html_response) | 1978-03-15 |
| NO145847B (no) | 1982-03-01 |
| FR2314214A2 (fr) | 1977-01-07 |
| NO762003L (enrdf_load_html_response) | 1976-12-14 |
| SU651659A4 (ru) | 1979-03-05 |
| IT1061672B (it) | 1983-04-30 |
| ES448740A2 (es) | 1979-08-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |