KR101247340B1 - 연신법에 적합한 고분자 분리막 재료 선정 방법 - Google Patents
연신법에 적합한 고분자 분리막 재료 선정 방법 Download PDFInfo
- Publication number
- KR101247340B1 KR101247340B1 KR1020080066688A KR20080066688A KR101247340B1 KR 101247340 B1 KR101247340 B1 KR 101247340B1 KR 1020080066688 A KR1020080066688 A KR 1020080066688A KR 20080066688 A KR20080066688 A KR 20080066688A KR 101247340 B1 KR101247340 B1 KR 101247340B1
- Authority
- KR
- South Korea
- Prior art keywords
- strain
- hollow fiber
- stretching
- stress
- polymer
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 72
- 239000000463 material Substances 0.000 title claims abstract description 28
- 239000012528 membrane Substances 0.000 title description 56
- 230000008569 process Effects 0.000 title description 29
- 238000000926 separation method Methods 0.000 title description 3
- 239000002861 polymer material Substances 0.000 claims abstract description 52
- 238000005482 strain hardening Methods 0.000 claims abstract description 46
- 229920005597 polymer membrane Polymers 0.000 claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 239000011148 porous material Substances 0.000 abstract description 53
- 230000001747 exhibiting effect Effects 0.000 abstract description 4
- 239000012510 hollow fiber Substances 0.000 description 98
- 229920001903 high density polyethylene Polymers 0.000 description 52
- 239000004700 high-density polyethylene Substances 0.000 description 52
- 239000002033 PVDF binder Substances 0.000 description 34
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 34
- 230000015572 biosynthetic process Effects 0.000 description 14
- 229920000642 polymer Polymers 0.000 description 14
- 238000000137 annealing Methods 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 11
- 238000000445 field-emission scanning electron microscopy Methods 0.000 description 10
- 238000002360 preparation method Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 238000010622 cold drawing Methods 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- -1 polyethylene Polymers 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000002074 melt spinning Methods 0.000 description 3
- 229920006126 semicrystalline polymer Polymers 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001493 electron microscopy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000614 phase inversion technique Methods 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 238000002145 thermally induced phase separation Methods 0.000 description 1
Images
Classifications
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- 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
- B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
- B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
-
- 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
-
- 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
- B01D69/08—Hollow fibre membranes
-
- 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
- B01D71/26—Polyalkenes
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Artificial Filaments (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
Claims (2)
- 스트레스-스트레인 커브 상에, 스트레인 하드닝 영역과 항복점을 나타내는 고분자 재료를 고분자 분리막 재료인 것으로 결정하는 단계를 포함하는, 연신법을 위한 고분자 분리막 재료 선정 방법.
- 연신법에 기초한 다공성 고분자 분리막 제조방법에 있어서, 스트레스-스트레인 커브 상에, 스트레인 하드닝 영역과 항복점을 나타내는 고분자 재료를 연신하는 단계를 포함하는 것을 특징으로 하는 다공성 고분자 분리막 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080066688A KR101247340B1 (ko) | 2008-07-09 | 2008-07-09 | 연신법에 적합한 고분자 분리막 재료 선정 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080066688A KR101247340B1 (ko) | 2008-07-09 | 2008-07-09 | 연신법에 적합한 고분자 분리막 재료 선정 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20100006455A KR20100006455A (ko) | 2010-01-19 |
KR101247340B1 true KR101247340B1 (ko) | 2013-03-26 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020080066688A KR101247340B1 (ko) | 2008-07-09 | 2008-07-09 | 연신법에 적합한 고분자 분리막 재료 선정 방법 |
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KR (1) | KR101247340B1 (ko) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050109556A (ko) * | 2003-03-13 | 2005-11-21 | 가부시끼가이샤 구레하 | 불화비닐리덴계 수지 다공막 및 그의 제조 방법 |
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- 2008-07-09 KR KR1020080066688A patent/KR101247340B1/ko active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050109556A (ko) * | 2003-03-13 | 2005-11-21 | 가부시끼가이샤 구레하 | 불화비닐리덴계 수지 다공막 및 그의 제조 방법 |
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KR20100006455A (ko) | 2010-01-19 |
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