KR920000741B1 - 다공질막의 제조방법 - Google Patents
다공질막의 제조방법 Download PDFInfo
- Publication number
- KR920000741B1 KR920000741B1 KR1019890004309A KR890004309A KR920000741B1 KR 920000741 B1 KR920000741 B1 KR 920000741B1 KR 1019890004309 A KR1019890004309 A KR 1019890004309A KR 890004309 A KR890004309 A KR 890004309A KR 920000741 B1 KR920000741 B1 KR 920000741B1
- Authority
- KR
- South Korea
- Prior art keywords
- solvent
- porous membrane
- polymer
- good solvent
- solution
- Prior art date
Links
- 239000012528 membrane Substances 0.000 title claims description 46
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 239000002904 solvent Substances 0.000 claims description 71
- 229920000642 polymer Polymers 0.000 claims description 47
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 32
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 16
- 238000009835 boiling Methods 0.000 claims description 14
- 239000012046 mixed solvent Substances 0.000 claims description 8
- 239000002033 PVDF binder Substances 0.000 claims description 7
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 7
- 238000005345 coagulation Methods 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 3
- 239000000243 solution Substances 0.000 description 21
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 14
- 239000011148 porous material Substances 0.000 description 12
- 239000004816 latex Substances 0.000 description 9
- 229920000126 latex Polymers 0.000 description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- 238000004090 dissolution Methods 0.000 description 8
- 239000000499 gel Substances 0.000 description 8
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000004793 Polystyrene Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 230000035699 permeability Effects 0.000 description 6
- 229920002223 polystyrene Polymers 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- AJDIZQLSFPQPEY-UHFFFAOYSA-N 1,1,2-Trichlorotrifluoroethane Chemical compound FC(F)(Cl)C(F)(Cl)Cl AJDIZQLSFPQPEY-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 229920006370 Kynar Polymers 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 239000012488 sample solution Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000012086 standard solution Substances 0.000 description 3
- 239000011550 stock solution Substances 0.000 description 3
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 2
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- PYVHTIWHNXTVPF-UHFFFAOYSA-N F.F.F.F.C=C Chemical compound F.F.F.F.C=C PYVHTIWHNXTVPF-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- -1 alkalis Substances 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical compound FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920005609 vinylidenefluoride/hexafluoropropylene copolymer Polymers 0.000 description 1
Classifications
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
-
- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/0011—Casting solutions therefor
- B01D67/00113—Pretreatment of the casting solutions, e.g. thermal treatment or ageing
-
- 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
- B01D71/30—Polyalkenyl halides
- B01D71/32—Polyalkenyl halides containing fluorine atoms
- B01D71/34—Polyvinylidene fluoride
-
- 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/09—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
- C08J3/091—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids characterised by the chemical constitution of the organic liquid
-
- 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
- C08J5/18—Manufacture of films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/08—Specific temperatures applied
- B01D2323/081—Heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/10—Specific pressure applied
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/12—Specific ratios of components used
-
- 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
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2327/16—Homopolymers or copolymers of vinylidene fluoride
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
Claims (5)
- 불화 비닐리덴계 폴리머를 양용매에 용해시킨 후, 빈용매 중에서 응고시킴으로써 다공질화하는 다공질막의 제조방법에 있어서, 상기 폴리불화 비닐리덴계 폴리머의 상기 양용매에의 용해를 소정압의 가압조건하에서 행하는 것을 특징으로 하는 다공질막의 제조방법.
- 제1항에 있어서, 가압 조건을 이루는 상기 소정압은 0.1kg/cm2이상인 것을 특징으로 하는 다공질막의 제조방법.
- 제1항에 있어서, 가압 조건을 이루는 상기 소정압은 0.5∼5.0kg/cm2인 것을 특징으로 하는 다공질막의 제조방법.
- 제1항 내지 제3항중 어느 한 항에 있어서, 상기 양용매로서 상온에서는 빈용매의 성질을 가지고, 그 용매의 비점부근 또는 비점이상으로 가온할 경우에 그 본래의 양용매의 성질을 갖는 용매 혹은 이와 다른 용매와의 혼합용매를 사용하는 것을 특징으로 하는 다공질막의 제조방법.
- 제1항 내지 제3항중 어느 한 항에 있어서, 상기 양용매로서 비점부근 혹은 비점이상으로 가온한 아세톤 또는 아세톤과 다른 용매와의 혼합 용매를 사용하는 것을 특징으로 하는 다공질막의 제조방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8045388 | 1988-04-01 | ||
JP80453 | 1988-04-01 | ||
JP63-80453 | 1988-04-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR890016098A KR890016098A (ko) | 1989-11-28 |
KR920000741B1 true KR920000741B1 (ko) | 1992-01-21 |
Family
ID=13718677
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019890004309A KR920000741B1 (ko) | 1988-04-01 | 1989-04-01 | 다공질막의 제조방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US4965291A (ko) |
EP (1) | EP0335805A3 (ko) |
KR (1) | KR920000741B1 (ko) |
AU (1) | AU621099B2 (ko) |
CA (1) | CA1323152C (ko) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5418091A (en) * | 1993-03-05 | 1995-05-23 | Bell Communications Research, Inc. | Polymeric electrolytic cell separator membrane |
RU2119817C1 (ru) * | 1995-10-23 | 1998-10-10 | Акционерное общество открытого типа "Полимерсинтез" | Пористая фторуглеродная мембрана, способ ее получения и патронный фильтр на ее основе |
GB0216834D0 (en) * | 2002-07-19 | 2002-08-28 | Accentus Plc | Porous polymeric membrane |
US20100166961A1 (en) * | 2004-01-20 | 2010-07-01 | Beard Kirby W | Production of high porosity open-cell membranes |
WO2007147167A2 (en) * | 2006-06-16 | 2007-12-21 | Porous Power Technologies, Llc | Optimized microporous structure of electrochemical cells |
US20090208832A1 (en) * | 2008-02-17 | 2009-08-20 | Porous Power Technologies, Llc | Lamination Configurations for Battery Applications Using PVDF Highly Porous Film |
US20090226683A1 (en) * | 2008-03-05 | 2009-09-10 | Bernard Perry | Porous Material Uses in Furniture |
US20090223155A1 (en) * | 2008-03-05 | 2009-09-10 | Bernard Perry | Building Construction Applications for Porous Material |
US20090227163A1 (en) * | 2008-03-05 | 2009-09-10 | Bernard Perry | Protective Apparel with Porous Material Layer |
US20090222995A1 (en) * | 2008-03-05 | 2009-09-10 | Bernard Perry | Bedding Applications for Porous Material |
US20100178567A1 (en) * | 2008-12-24 | 2010-07-15 | Porous Power Technologies, Llc | Mat Forming Spacers in Microporous Membrane Matrix |
EP2476129B1 (en) * | 2009-05-20 | 2019-11-20 | Samsung Electronics Co., Ltd. | Treatment and adhesive for microporous membranes |
CN111842072B (zh) * | 2020-07-31 | 2023-01-06 | 中国人民解放军国防科技大学 | 疏水型隔热降温膜的应用 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3620895A (en) * | 1969-01-03 | 1971-11-16 | Polaroid Corp | Corrugated micropermeable membrane |
US3642668A (en) * | 1969-01-03 | 1972-02-15 | Polaroid Corp | Microporous vinylidene fluoride polymer and process of making same |
CA1068458A (en) * | 1975-07-17 | 1979-12-25 | Hiroshi Mano | Process for producing porous materials |
US4203848A (en) * | 1977-05-25 | 1980-05-20 | Millipore Corporation | Processes of making a porous membrane material from polyvinylidene fluoride, and products |
US4384047A (en) * | 1980-03-28 | 1983-05-17 | Pennwalt Corporation | Porous vinylidene fluoride polymer membrane and process for its preparation |
US4707265A (en) * | 1981-12-18 | 1987-11-17 | Cuno Incorporated | Reinforced microporous membrane |
US4598662A (en) * | 1983-02-11 | 1986-07-08 | International Microporous Technology, Inc. | Drum coagulator for preparing microporous membranes |
US4806291A (en) * | 1988-02-22 | 1989-02-21 | Ionics, Incorporated | Process for preparing microporous polyvinylidene fluoride membranes |
-
1989
- 1989-03-31 AU AU32346/89A patent/AU621099B2/en not_active Ceased
- 1989-03-31 US US07/331,342 patent/US4965291A/en not_active Expired - Fee Related
- 1989-03-31 CA CA000595365A patent/CA1323152C/en not_active Expired - Fee Related
- 1989-03-31 EP EP89400903A patent/EP0335805A3/en not_active Withdrawn
- 1989-04-01 KR KR1019890004309A patent/KR920000741B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU621099B2 (en) | 1992-03-05 |
CA1323152C (en) | 1993-10-19 |
EP0335805A2 (en) | 1989-10-04 |
AU3234689A (en) | 1989-10-05 |
US4965291A (en) | 1990-10-23 |
EP0335805A3 (en) | 1990-04-25 |
KR890016098A (ko) | 1989-11-28 |
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Legal Events
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Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19890401 |
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PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19891118 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 19890401 Comment text: Patent Application |
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PG1501 | Laying open of application | ||
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Comment text: Notification of reason for refusal Patent event date: 19911009 Patent event code: PE09021S01D |
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Comment text: Decision on Publication of Application Patent event code: PG16051S01I Patent event date: 19911219 |
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E701 | Decision to grant or registration of patent right | ||
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Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19920413 |
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Comment text: Registration of Establishment Patent event date: 19920429 Patent event code: PR07011E01D |
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