DE2362507A1 - Asymmetrische polymermembran mit verringertem elastizitaetsmodul - Google Patents
Asymmetrische polymermembran mit verringertem elastizitaetsmodulInfo
- Publication number
- DE2362507A1 DE2362507A1 DE2362507A DE2362507A DE2362507A1 DE 2362507 A1 DE2362507 A1 DE 2362507A1 DE 2362507 A DE2362507 A DE 2362507A DE 2362507 A DE2362507 A DE 2362507A DE 2362507 A1 DE2362507 A1 DE 2362507A1
- Authority
- DE
- Germany
- Prior art keywords
- membrane
- polymer
- grafted
- layer
- porous
- 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.)
- Pending
Links
- 229920005597 polymer membrane Polymers 0.000 title claims description 7
- 230000002829 reductive effect Effects 0.000 title description 3
- 239000012528 membrane Substances 0.000 claims description 60
- 229920000642 polymer Polymers 0.000 claims description 26
- 239000002245 particle Substances 0.000 claims description 21
- 239000004793 Polystyrene Substances 0.000 claims description 16
- 229920002223 polystyrene Polymers 0.000 claims description 16
- 229920001971 elastomer Polymers 0.000 claims description 12
- -1 polyxylylene Polymers 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 239000002861 polymer material Substances 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 6
- 239000000806 elastomer Substances 0.000 claims description 5
- 239000013536 elastomeric material Substances 0.000 claims description 5
- 239000013078 crystal Substances 0.000 claims description 4
- 229920002857 polybutadiene Polymers 0.000 claims description 3
- 125000003118 aryl group Chemical group 0.000 claims description 2
- 229920002492 poly(sulfone) Polymers 0.000 claims description 2
- 239000002904 solvent Substances 0.000 description 31
- 239000010410 layer Substances 0.000 description 23
- 229920005669 high impact polystyrene Polymers 0.000 description 16
- 239000004797 high-impact polystyrene Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 12
- 238000000926 separation method Methods 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 238000005266 casting Methods 0.000 description 10
- 238000002425 crystallisation Methods 0.000 description 9
- 230000008025 crystallization Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000002386 leaching Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 239000005060 rubber Substances 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 238000007792 addition Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 230000035699 permeability Effects 0.000 description 5
- 239000002344 surface layer Substances 0.000 description 5
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 210000005224 forefinger Anatomy 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229920000578 graft copolymer Polymers 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 210000003813 thumb Anatomy 0.000 description 3
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 229940117389 dichlorobenzene Drugs 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 229920006254 polymer film Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 125000000732 arylene group Chemical group 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004807 desolvation Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000012982 microporous membrane Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000010187 selection method Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/52—Polyethers
- B01D71/522—Aromatic polyethers
- B01D71/5223—Polyphenylene oxide, phenyl ether polymers or polyphenylethers
-
- 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
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- 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
- B01D69/06—Flat membranes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249961—With gradual property change within a component
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249978—Voids specified as micro
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249987—With nonvoid component of specified composition
- Y10T428/249988—Of about the same composition as, and adjacent to, the void-containing component
- Y10T428/249989—Integrally formed skin
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Laminated Bodies (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00315801A US3810814A (en) | 1972-12-18 | 1972-12-18 | Asymmetric polymer membranes of reduced elastic modulus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2362507A1 true DE2362507A1 (de) | 1974-06-20 |
Family
ID=23226113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2362507A Pending DE2362507A1 (de) | 1972-12-18 | 1973-12-15 | Asymmetrische polymermembran mit verringertem elastizitaetsmodul |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3810814A (enEXAMPLES) |
| JP (1) | JPS4990362A (enEXAMPLES) |
| DE (1) | DE2362507A1 (enEXAMPLES) |
| FR (1) | FR2210429B1 (enEXAMPLES) |
| GB (1) | GB1432866A (enEXAMPLES) |
| IL (1) | IL43542A (enEXAMPLES) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2822265A1 (de) * | 1977-05-25 | 1978-12-07 | Millipore Corp | Verfahren zur herstellung von poroesen membranen |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3933561A (en) * | 1974-03-27 | 1976-01-20 | North Star Research Institute | Process for manufacturing ultrathin polymer membranes and products derived therefrom |
| US4203848A (en) * | 1977-05-25 | 1980-05-20 | Millipore Corporation | Processes of making a porous membrane material from polyvinylidene fluoride, and products |
| AU505494B1 (en) * | 1977-10-21 | 1979-11-22 | Unisearch Limited | Anisotropic multilayered synthetic semipermeable membrane |
| US4423099A (en) * | 1980-07-28 | 1983-12-27 | Ciba-Geigy Corporation | Membrane modified hydrogels |
| US4762657A (en) * | 1985-12-12 | 1988-08-09 | The Dow Chemical Company | Formation of porous membranes by mechanical deformation |
| JPH0847355A (ja) * | 1994-08-04 | 1996-02-20 | Nichifu Co Ltd | 熱帯魚用ケースのための保温シート |
| US8096424B2 (en) * | 2006-11-14 | 2012-01-17 | The United States Of America As Represented By The Environmental Protection Agency | Method for fabrication of elastomeric asymmetric membranes from hydrophobic polymers |
-
1972
- 1972-12-18 US US00315801A patent/US3810814A/en not_active Expired - Lifetime
-
1973
- 1973-11-01 IL IL43542A patent/IL43542A/en unknown
- 1973-11-02 GB GB5111273A patent/GB1432866A/en not_active Expired
- 1973-12-06 FR FR7343577A patent/FR2210429B1/fr not_active Expired
- 1973-12-15 DE DE2362507A patent/DE2362507A1/de active Pending
- 1973-12-18 JP JP48140425A patent/JPS4990362A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2822265A1 (de) * | 1977-05-25 | 1978-12-07 | Millipore Corp | Verfahren zur herstellung von poroesen membranen |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2210429A1 (enEXAMPLES) | 1974-07-12 |
| US3810814A (en) | 1974-05-14 |
| GB1432866A (en) | 1976-04-22 |
| FR2210429B1 (enEXAMPLES) | 1978-11-10 |
| JPS4990362A (enEXAMPLES) | 1974-08-29 |
| IL43542A0 (en) | 1974-03-14 |
| IL43542A (en) | 1976-09-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |