KR19990066818A - 미세 기공막 및 그의 제조 방법 - Google Patents
미세 기공막 및 그의 제조 방법 Download PDFInfo
- Publication number
- KR19990066818A KR19990066818A KR1019980048995A KR19980048995A KR19990066818A KR 19990066818 A KR19990066818 A KR 19990066818A KR 1019980048995 A KR1019980048995 A KR 1019980048995A KR 19980048995 A KR19980048995 A KR 19980048995A KR 19990066818 A KR19990066818 A KR 19990066818A
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- South Korea
- Prior art keywords
- polymer
- microporous membrane
- melting point
- temperature
- film
- Prior art date
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- 239000012982 microporous membrane Substances 0.000 title claims abstract description 69
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 100
- 239000002245 particle Substances 0.000 claims abstract description 32
- 238000004804 winding Methods 0.000 claims abstract description 21
- 229920006254 polymer film Polymers 0.000 claims abstract description 12
- 230000001678 irradiating effect Effects 0.000 claims abstract description 11
- 150000002500 ions Chemical class 0.000 claims description 57
- 229920000642 polymer Polymers 0.000 claims description 38
- 238000010884 ion-beam technique Methods 0.000 claims description 36
- 239000007789 gas Substances 0.000 claims description 32
- -1 polypropylene Polymers 0.000 claims description 31
- 238000002844 melting Methods 0.000 claims description 30
- 230000008018 melting Effects 0.000 claims description 30
- 230000008569 process Effects 0.000 claims description 29
- 229920001903 high density polyethylene Polymers 0.000 claims description 16
- 239000004700 high-density polyethylene Substances 0.000 claims description 16
- 238000000137 annealing Methods 0.000 claims description 14
- 239000004743 Polypropylene Substances 0.000 claims description 12
- 229920001155 polypropylene Polymers 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 230000000704 physical effect Effects 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 6
- 239000011737 fluorine Substances 0.000 claims description 6
- 229910052731 fluorine Inorganic materials 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 239000001307 helium Substances 0.000 claims description 5
- 229910052734 helium Inorganic materials 0.000 claims description 5
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 5
- 239000001257 hydrogen Substances 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 229920000098 polyolefin Polymers 0.000 claims description 5
- 239000003570 air Substances 0.000 claims description 4
- 238000009998 heat setting Methods 0.000 claims description 4
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 3
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 3
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 3
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 3
- 229920001684 low density polyethylene Polymers 0.000 claims description 3
- 239000004702 low-density polyethylene Substances 0.000 claims description 3
- 229910052743 krypton Inorganic materials 0.000 claims description 2
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052754 neon Inorganic materials 0.000 claims description 2
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims 1
- 239000011148 porous material Substances 0.000 abstract description 34
- 239000012528 membrane Substances 0.000 abstract description 23
- 238000011084 recovery Methods 0.000 abstract description 5
- 238000007796 conventional method Methods 0.000 abstract description 2
- 239000004698 Polyethylene Substances 0.000 description 17
- 229920000573 polyethylene Polymers 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 15
- 230000015572 biosynthetic process Effects 0.000 description 11
- 238000001816 cooling Methods 0.000 description 9
- 238000001035 drying Methods 0.000 description 6
- 229920005672 polyolefin resin Polymers 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000002209 hydrophobic effect Effects 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 229910001882 dioxygen Inorganic materials 0.000 description 3
- 208000028659 discharge Diseases 0.000 description 3
- 239000012188 paraffin wax Substances 0.000 description 3
- 238000009832 plasma treatment Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 2
- 238000003851 corona treatment Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 2
- YIWGJFPJRAEKMK-UHFFFAOYSA-N 1-(2H-benzotriazol-5-yl)-3-methyl-8-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carbonyl]-1,3,8-triazaspiro[4.5]decane-2,4-dione Chemical compound CN1C(=O)N(c2ccc3n[nH]nc3c2)C2(CCN(CC2)C(=O)c2cnc(NCc3cccc(OC(F)(F)F)c3)nc2)C1=O YIWGJFPJRAEKMK-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229920013683 Celanese Polymers 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229940057995 liquid paraffin Drugs 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920005597 polymer membrane Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000000992 sputter etching Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000001993 wax Substances 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
- 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
- C08J5/2206—Films, membranes or diaphragms based on organic and/or inorganic macromolecular compounds
- C08J5/2218—Synthetic macromolecular compounds
- C08J5/2231—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions involving unsaturated carbon-to-carbon bonds
-
- 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
- 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
- B01D67/003—Organic membrane manufacture by inducing porosity into non porous precursor membranes by selective elimination of components, e.g. by leaching
-
- 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
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/009—After-treatment of organic or inorganic membranes with wave-energy, particle-radiation or plasma
-
- 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
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0093—Chemical modification
-
- 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
-
- 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
- B01D71/261—Polyethylene
-
- 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
- B01D71/262—Polypropylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/26—Perforating by non-mechanical means, e.g. by fluid jet
- B26F1/31—Perforating by non-mechanical means, e.g. by fluid jet by radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/16—Surface shaping of articles, e.g. embossing; Apparatus therefor by wave energy or particle radiation, e.g. infrared heating
-
- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/12—Chemical modification
- C08J7/123—Treatment by wave energy or particle radiation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
- H01M50/417—Polyolefins
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
- H01M50/491—Porosity
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
- H01M50/494—Tensile strength
-
- 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
-
- 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
- B01D2323/34—Use of radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/36—Hydrophilic membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0866—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using particle radiation
- B29C2035/0872—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using particle radiation using ion-radiation, e.g. alpha-rays
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Toxicology (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Forests & Forestry (AREA)
- Plasma & Fusion (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Optics & Photonics (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Cell Separators (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Description
실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | 실시예 5 | 실시예 6 | |
두께[㎛] | 23 | 24 | 24 | 24 | 25 | 25 |
기공 크기[㎛] | 0.02×0.02 | 0.15×0.06 | 0.06×0.03 | 0.12×0.05 | 0.08×0.03 | 0.10×0.05 |
기공도[%] | 28 | 37 | 38 | 40 | 48 | 42 |
기공밀도[pores/㎠] | 18×109 | 14×109 | 14×109 | 15×109 | 16×109 | 15×109 |
통기도[초/100cc] | 1270 | 980 | 1040 | 850 | 610 | 725 |
돌자강도[g] | 380 | 304 | 340 | 295 | 510 | 470 |
인장강도(MD/TD)[㎏/㎠] | 1250/160 | 1300/165 | 1450/180 | 1410/200 | 1580/190 | 1530/180 |
인장탄성율(MD/TD)[㎏/㎠] | 6500/3400 | 6620/3440 | 6800/3480 | 6850/3490 | 7200/3680 | 7000/3610 |
무공화 온도[℃] | 126 | 128 | 127 | 128 | 161 | 130 |
막파단 온도[℃] | 135 | 134 | 135 | 135 | 167 | 167 |
실시예 7 | 실시예 8 | 실시예 9 | 비교예 1 | 비교예 2 | 비교예 3 | |
두께[㎛] | 26 | 24 | 24 | 25 | 25 | 25 |
기공 크기[㎛] | 0.08×0.03 | 0.12×0.10 | 0.08×0.07 | 0.13×0.06 | 7×4 | 0.1×0.1 |
기공도[%] | 45 | 42 | 41 | 37 | 50 | 36 |
기공밀도[pores/㎠] | 16×109 | 15×109 | 15×109 | 6×109 | 1×106 | 5×109 |
통기도[초/100cc] | 690 | 625 | 650 | 960 | 18 | 670 |
돌자강도[g] | 520 | 335 | 364 | 260 | 95 | 440 |
인장강도(MD/TD)[㎏/㎠] | 1590/200 | 1900/1300 | 2050/1500 | 1350/150 | 700/50 | 1400/850 |
인장탄성율(MD/TD)[㎏/㎠] | 7100/3670 | 6900/5980 | 7500/6120 | 6700/3470 | 5200/2740 | 6400/5630 |
무공화 온도[℃] | 127 | 129 | 129 | 131 | 132 | 129 |
막파단 온도[℃] | 167 | 133 | 134 | 133 | 133 | 138 |
실시예 10 | 실시예 11 | 실시예 12 | 실시예 13 | 비교예 4 | |
두께[㎛] | 23 | 24 | 24 | 24 | 25 |
기공 크기[㎛] | 0.02×0.02 | 0.15×0.06 | 0.06×0.03 | 0.12×0.05 | 0.08×0.03 |
기공도[%] | 28 | 37 | 38 | 40 | 48 |
기공밀도[pores/㎠] | 18×109 | 14×109 | 14×109 | 15×109 | 16×109 |
통기도[초/100cc] | 840 | 825 | 920 | 650 | 860 |
돌자강도[g] | 290 | 283 | 287 | 428 | 230 |
인장강도(MD/TD)[㎏/㎠] | 1250/160 | 1300/165 | 1450/180 | 1410/200 | 1580/190 |
인장탄성율(MD/TD)[㎏/㎠] | 6500/3400 | 6620/3440 | 6800/3480 | 6850/3490 | 7200/3680 |
무공화 온도[℃] | 128 | 128 | 131 | 128 | 131 |
막파단 온도[℃] | 134 | 134 | 133 | 138 | 133 |
흡수 속도[초] | 2.2 | 2.3 | 2.6 | 2.5 | 5.3 |
Claims (29)
- 진공 상태하에서 고분자 필름에 에너지를 가진 이온 입자를 조사하는 단계를포함하는 미세 기공막의 제조 방법.
- 제 1항에 있어서,상기 에너지를 가진 이온 입자를 고분자 표면의 한쪽 면 또는 양면 모두에 조사시키는 제조 방법.
- 제 1항에 있어서,상기 에너지를 가진 이온 입자가 전자, 수소, 헬륨, 산소, 질소, 공기, 불소, 네온, 아르곤, 크립톤, N2O 및 이들의 혼합물로 이루어진 군에서 선택되는 제조 방법.
- 제 1항에 있어서,상기 진공 상태는 10-2∼10-8torr의 진공도를 갖고, 상기 에너지를 가진 이온 입자의 조사 거리는 5∼100 ㎝인 제조 방법.
- 제 1항에 있어서,상기 이온 입자의 에너지가 10-2∼107KeV인 제조 방법.
- 제 1 항에 있어서,상기 에너지를 가진 이온 입자의 조사량이 102-1020ions/㎠인 제조 방법.
- 제 1 항에 있어서,상기 고분자 필름이 (고분자의 용융점 + 10℃)∼(용융점 + 100℃)의 온도에서 티-다이 또는 원형 관 다이가 부착된 일축 또는 이축 압출기를 이용하여 압출하고, 이 압출물을 10∼150℃에서 5∼120m/분의 속도로 권취하여 제조되는 필름인 제조 방법.
- 제 1 항에 있어서,이온 입자를 조사하기 전 또는 후에, 상기 고분자 필름을 어닐링하는 공정을 더욱 실시하는 제조 방법.
- 제 8 항에 있어서,상기 어닐링 공정이 (고분자의 용융점-100℃)∼(용융점-5℃)의 온도에서 10초∼1시간 동안 실시되는 제조 방법.
- 제 1 항에 있어서,상기 조사 공정 전 또는 후에 1축 또는 2축 연신 공정을 더욱 실시하는 제조 방법.
- 제 10 항에 있어서,상기 연신 공정이 -20℃∼(고분자의 용융점-40℃)의 온도에서 실시되는 제조 방법.
- 제 10 항에 있어서,상기 연신 공정이 (고분자의 용융점-40℃)∼(용융점-5℃)의 온도에서 실시되는 제조 방법.
- 제 1 항에 있어서,상기 조사 공정 전 또는 후에 열고정 공정을 더욱 실시하는 제조 방법.
- 제 13 항에 있어서,상기 열고정 공정이 (고분자의 용융점-80℃)∼(고분자의 용융점-5℃)의 온도에서 실시되는 제조 방법.
- 제 1 항에 있어서,상기 이온 입자를 고분자 필름에 조사하면서 동시에 반응성 가스를 고분자 표면에 불어넣는 단계를 더욱 실시하는 제조 방법.
- 제 15 항에 있어서,상기 반응성 가스는 헬륨, 수소, 산소, 질소, 공기, 암모니아, 일산화탄소, 이산화 탄소, 메탄, 불소, 사불화 탄소, N2O 및 이들의 혼합물로 이루어진 군에서 선택되는 제조 방법.
- 제 15 항에 있어서,상기 반응성 가스의 주입량이 0.5∼20 ㎖/분인 제조 방법.
- 제 1 항에 있어서,상기 조사 공정 후 반응성 가스를 고분자 표면에 불어 넣는 단계를 더욱 실시하는 제조 방법.
- 제 18 항에 있어서,상기 반응성 가스는 헬륨, 수소, 산소, 질소, 공기, 암모니아, 일산화탄소, 이산화 탄소, 메탄, 불소, 사불화 탄소, N2O 및 이들의 혼합물로 이루어진 군에서 선택되는 제조 방법.
- 제 18 항에 있어서,상기 반응성 가스의 주입량이 0.5∼20 ㎖/분인 제조 방법.
- 제 18 항에 있어서,상기 고분자가 폴리프로필렌, 고밀도 폴리에틸렌, 저밀도 폴리에틸렌, 선형 저밀도 폴리에틸렌 및 이들의 혼합물로 이루어진 그룹 중에서 선택되는 폴리올레핀인 제조 방법.
- 진공 상태하에서 고분자 필름에 에너지를 가진 이온 입자를 조사하는 단계로 제조된 구형 또는 타원형 형태의 미세 기공이 형성된 미세 기공막.
- 제 22 항에 있어서,상기 미세 기공막은 0.005∼10㎛의 직경을 갖는 미세 기공이 형성된 미세 기공막.
- 제 22 항에 있어서,상기 미세 기공막은 전지 격리막으로 사용되는 미세 기공막.
- 미세 기공막에 진공하에서 에너지를 가진 이온 입자를 조사하는단계를 포함하는 물성이 개선된 미세 기공막의 제조 방법.
- 미세 기공막에 진공하에서 에너지를 가진 이온 입자를 조사하며 함께 반응성 가스를 불어넣는단계를 포함하는 물성이 개선된 미세 기공막의 제조 방법.
- a) (고분자의 용융점 + 10℃)∼(용융점 + 100℃)의 온도에서 압출하여 압출물을 형성하는 단계;b) 상기 압출물을 10∼150℃에서 5∼120m/분의 속도로 권취하여 필름을 제조하는 단계;c) 상기 필름을 (고분자의 용융점-100℃)∼(용융점-5℃)의 온도에서 10초∼1시간 동안 어닐링하는 단계;d) 10-2∼10-8torr의 진공도와 이온 빔 조사 거리 5∼100㎝에서 상기 어닐링한 필름의 한쪽면 또는 양면에 10-2∼107KeV의 이온 입자 에너지 및 102∼1020ions/㎠의 이온 입자 조사량을 갖는 이온 입자를 조사하는 단계;e) 상기 이온 입자가 조사된 필름을 -20℃∼(고분자의 용융점-40℃)의 온도에서 냉연신하는 단계;f) 상기 냉연신한 필름을 (고분자의 용융점-40℃)∼(용융점-5℃)의 온도에서 고온 연신하는 단계; 및g) 상기 고온 연신한 필름을 (고분자의 용융점-80℃)∼(용융점-5℃)의 온도에서 열고정하는 단계를 포함하는 미세 기공막의 제조 방법.
- 제 27 항에 있어서,상기 고분자가 폴리프로필렌, 고밀도 폴리에틸렌, 저밀도 폴리에틸렌, 선형 저밀도 폴리에틸렌 및 이들의 혼합물로 이루어진 그룹 중에서 선택되는 폴리올레핀인 제조 방법.
- 진공 상태하에서 고분자 필름에 에너지를 가진 이온 입자를 조사하는 단계로 제조된 제 1 미세 기공막; 및상기 제 1 미세 기공막과 적층된 제 2 미세 기공막을포함하는 전지용 격리막.
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JP3395996B2 (ja) | 1994-07-21 | 2003-04-14 | 日東電工株式会社 | 電池用セパレータ及びその製造方法 |
JPH08184831A (ja) * | 1994-12-28 | 1996-07-16 | Nissin Electric Co Ltd | 配向膜の配向処理方法 |
JP3525390B2 (ja) * | 1995-03-03 | 2004-05-10 | 旭化成ケミカルズ株式会社 | ポリエチレン微多孔膜および製造方法 |
US5783641A (en) * | 1995-04-19 | 1998-07-21 | Korea Institute Of Science And Technology | Process for modifying surfaces of polymers, and polymers having surfaces modified by such process |
KR970015614A (ko) * | 1995-09-19 | 1997-04-28 | 마이클 에이 케푸토 | 중합체의 가교 결합 |
-
1997
- 1997-11-17 KR KR1019970060661A patent/KR19990040319A/ko unknown
-
1998
- 1998-11-16 WO PCT/KR1998/000365 patent/WO1999025464A1/en not_active Application Discontinuation
- 1998-11-16 JP JP2000520892A patent/JP3779875B2/ja not_active Expired - Lifetime
- 1998-11-16 US US09/554,625 patent/US6540953B1/en not_active Expired - Fee Related
- 1998-11-16 EP EP98953092A patent/EP1062027A4/en not_active Ceased
- 1998-11-16 KR KR1019980048995A patent/KR100443873B1/ko not_active IP Right Cessation
- 1998-11-16 CN CN98812632A patent/CN1105594C/zh not_active Expired - Fee Related
-
2003
- 2003-06-09 KR KR10-2003-0036674A patent/KR100435233B1/ko not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20000051284A (ko) * | 1999-01-20 | 2000-08-16 | 성재갑 | 미세 기공막 및 그의 제조 방법 |
KR20000055678A (ko) * | 1999-02-09 | 2000-09-15 | 성재갑 | 다단계 공정을 이용한 미세 기공막의 제조 방법 |
Also Published As
Publication number | Publication date |
---|---|
JP3779875B2 (ja) | 2006-05-31 |
KR20030061363A (ko) | 2003-07-18 |
US6540953B1 (en) | 2003-04-01 |
WO1999025464A1 (en) | 1999-05-27 |
EP1062027A1 (en) | 2000-12-27 |
KR100443873B1 (ko) | 2004-11-17 |
EP1062027A4 (en) | 2002-09-04 |
JP2001523548A (ja) | 2001-11-27 |
KR100435233B1 (ko) | 2004-06-16 |
KR19990040319A (ko) | 1999-06-05 |
CN1283134A (zh) | 2001-02-07 |
CN1105594C (zh) | 2003-04-16 |
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