KR20110100682A - 폴리올레핀 미다공막 - Google Patents
폴리올레핀 미다공막 Download PDFInfo
- Publication number
- KR20110100682A KR20110100682A KR1020117019913A KR20117019913A KR20110100682A KR 20110100682 A KR20110100682 A KR 20110100682A KR 1020117019913 A KR1020117019913 A KR 1020117019913A KR 20117019913 A KR20117019913 A KR 20117019913A KR 20110100682 A KR20110100682 A KR 20110100682A
- Authority
- KR
- South Korea
- Prior art keywords
- mass
- less
- microporous membrane
- polyolefin microporous
- plasticizer
- 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.)
- Ceased
Links
- 239000012982 microporous membrane Substances 0.000 title claims abstract description 73
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 53
- 239000010410 layer Substances 0.000 claims abstract description 55
- 239000010954 inorganic particle Substances 0.000 claims abstract description 50
- -1 polyethylene Polymers 0.000 claims abstract description 48
- 239000002344 surface layer Substances 0.000 claims abstract description 46
- 239000004698 Polyethylene Substances 0.000 claims abstract description 21
- 229920000573 polyethylene Polymers 0.000 claims abstract description 21
- 239000004014 plasticizer Substances 0.000 claims description 49
- 239000012528 membrane Substances 0.000 claims description 22
- 239000004743 Polypropylene Substances 0.000 claims description 21
- 229920001155 polypropylene Polymers 0.000 claims description 21
- 230000035699 permeability Effects 0.000 claims description 19
- 238000010521 absorption reaction Methods 0.000 claims description 18
- 239000003921 oil Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 17
- 238000004898 kneading Methods 0.000 claims description 13
- 229920005672 polyolefin resin Polymers 0.000 claims description 13
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 11
- 229910001416 lithium ion Inorganic materials 0.000 claims description 11
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 150000004767 nitrides Chemical class 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 238000002834 transmittance Methods 0.000 abstract 1
- 239000010408 film Substances 0.000 description 37
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 22
- 230000000704 physical effect Effects 0.000 description 18
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- 238000005470 impregnation Methods 0.000 description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 12
- 239000000377 silicon dioxide Substances 0.000 description 11
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- OHWBOQAWKNFLRG-UEQSERJNSA-N (3s,4s,5s,6r)-1,8-bis(4-ethylphenyl)octa-1,7-diene-2,3,4,5,6,7-hexol Chemical compound C1=CC(CC)=CC=C1C=C(O)[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=CC1=CC=C(CC)C=C1 OHWBOQAWKNFLRG-UEQSERJNSA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
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- 239000002033 PVDF binder Substances 0.000 description 2
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- 239000011954 Ziegler–Natta catalyst Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 2
- JQCXWCOOWVGKMT-UHFFFAOYSA-N diheptyl phthalate Chemical compound CCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC JQCXWCOOWVGKMT-UHFFFAOYSA-N 0.000 description 2
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- 239000002685 polymerization catalyst Substances 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
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- 238000010998 test method Methods 0.000 description 2
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- 210000003462 vein Anatomy 0.000 description 2
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 239000004803 Di-2ethylhexylphthalate Substances 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- 241000692870 Inachis io Species 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229920001774 Perfluoroether Polymers 0.000 description 1
- HPFVBGJFAYZEBE-XNBTXCQYSA-N [(8r,9s,10r,13s,14s)-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl] 3-cyclopentylpropanoate Chemical compound C([C@H]1[C@H]2[C@@H]([C@]3(CCC(=O)C=C3CC2)C)CC[C@@]11C)CC1OC(=O)CCC1CCCC1 HPFVBGJFAYZEBE-XNBTXCQYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
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- 239000012670 alkaline solution Substances 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- CKFRRHLHAJZIIN-UHFFFAOYSA-N cobalt lithium Chemical compound [Li].[Co] CKFRRHLHAJZIIN-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
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- 239000004020 conductor Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
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- 229910002804 graphite Inorganic materials 0.000 description 1
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- 229910052736 halogen Inorganic materials 0.000 description 1
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- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
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- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
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- 239000004701 medium-density polyethylene Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical class CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- UJMWVICAENGCRF-UHFFFAOYSA-N oxygen difluoride Chemical class FOF UJMWVICAENGCRF-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
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- 239000011148 porous material Substances 0.000 description 1
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- 238000004080 punching Methods 0.000 description 1
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- 230000002463 transducing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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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- 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
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- 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
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- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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Abstract
Description
Claims (12)
- 2층 이상의 적층 필름을 포함하는 폴리올레핀 미다공막이며,
적어도 한 쪽의 표면층은 두께가 0.2 ㎛ 이상 5 ㎛ 이하이고, 무기 입자를 포함하고, 적어도 다른 한 층은 폴리에틸렌을 포함하고,
기체 투과도가 50초/100 cc 이상 1000초/100 cc 이하, 천공 강도가 3.0 N/20 ㎛ 이상인 폴리올레핀 미다공막. - 제1항에 있어서, 3층 이상의 적층 필름을 포함하는 폴리올레핀 미다공막.
- 제1항 또는 제2항에 있어서, 적어도 한 쪽의 두께가 0.2 ㎛ 이상 5 ㎛ 이하인 표면층의 무기 입자 함유율이 5 질량% 이상 60 질량% 이하이고, 폴리프로필렌 함유율이 5 질량% 이상 95 질량% 이하인 폴리올레핀 미다공막.
- 제1항 또는 제2항에 있어서, 적어도 한 쪽의 두께가 0.2 ㎛ 이상 5 ㎛ 이하인 표면층이 무기 입자 함유율 5 질량% 이상 60 질량% 이하, 폴리프로필렌 함유율 5 질량% 이상 90 질량% 이하, 폴리에틸렌 함유율 5 질량% 이상 90 질량% 이하인 폴리올레핀 미다공막.
- 제1항 또는 제2항에 있어서, 적어도 한 쪽의 두께가 0.2 ㎛ 이상 5 ㎛ 이하인 표면층이 무기 입자 함유율 5 질량% 이상 60 질량% 이하, 폴리프로필렌 함유율 20 질량% 이상 90 질량% 이하, 폴리에틸렌 함유율 5 질량% 이상이고, 적어도 다른 한 층이 폴리에틸렌을 30 질량% 이상 포함하며, 무기 입자는 포함하지 않는 폴리올레핀 미다공막.
- 제1항 또는 제2항에 있어서, 막의 총 두께가 2 ㎛ 이상 50 ㎛ 이하인 폴리올레핀 미다공막.
- 제1항 또는 제2항에 있어서, 막의 총 두께가 5 ㎛ 이상 30 ㎛ 이하인 폴리올레핀 미다공막.
- 제1항 또는 제2항에 있어서, MD 방향과 TD 방향의 파단 강도의 비가 0.1 이상 8.0 이하인 폴리올레핀 미다공막.
- 제1항 또는 제2항에 있어서, 무기 입자가 규소, 알루미늄 및 티탄 중 어느 하나의 산화물 또는 질화물인 폴리올레핀 미다공막.
- 제1항 또는 제2항에 있어서, 폴리올레핀 수지, 무기 입자 및 가소제를 수학식 1의 관계를 만족하는 범위에서 혼련하는 공정을 거쳐 얻어지는 폴리올레핀 미다공막.
<수학식 1>
0.6≤가소제 중량/(가소제 흡유량×무기 입자 중량×가소제 밀도)×100≤1.2 - 제1항 또는 제2항에 있어서, 공압출법에 의해 적층된 시트를 형성하여 2축 연신을 실시하고, 가소제를 추출하여 얻어지는 폴리올레핀 미다공막.
- 제1항 또는 제2항에 기재된 폴리올레핀 미다공막을 이용한 리튬 이온 전지용 세퍼레이터.
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KR1020087028944A Active KR101078456B1 (ko) | 2004-10-01 | 2005-09-29 | 폴리올레핀 미다공막 |
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EP (1) | EP1787805B1 (ko) |
JP (1) | JP4711965B2 (ko) |
KR (3) | KR20110100682A (ko) |
CN (2) | CN102218880A (ko) |
AT (1) | ATE534513T1 (ko) |
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US8104625B2 (en) * | 2004-05-20 | 2012-01-31 | Asahi Kasei Chemicals Corporation | Microporous membrane made of polyolefins |
WO2006025323A1 (ja) * | 2004-08-30 | 2006-03-09 | Asahi Kasei Chemicals Corporation | ポリオレフィン微多孔膜及び蓄電池用セパレータ |
KR20110100682A (ko) * | 2004-10-01 | 2011-09-14 | 아사히 가세이 케미칼즈 가부시키가이샤 | 폴리올레핀 미다공막 |
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2005
- 2005-09-29 KR KR1020117019913A patent/KR20110100682A/ko not_active Ceased
- 2005-09-29 CN CN201110148863XA patent/CN102218880A/zh active Pending
- 2005-09-29 CN CN2005800332684A patent/CN101031421B/zh active Active
- 2005-09-29 JP JP2006539252A patent/JP4711965B2/ja active Active
- 2005-09-29 KR KR1020087028944A patent/KR101078456B1/ko active Active
- 2005-09-29 EP EP05788195A patent/EP1787805B1/en active Active
- 2005-09-29 AT AT05788195T patent/ATE534513T1/de active
- 2005-09-29 US US11/664,276 patent/US20080193833A1/en not_active Abandoned
- 2005-09-29 WO PCT/JP2005/018013 patent/WO2006038532A1/ja active Application Filing
- 2005-09-29 KR KR1020077007348A patent/KR20070059124A/ko not_active Ceased
- 2005-09-30 TW TW94134416A patent/TWI294350B/zh active
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2014
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Also Published As
Publication number | Publication date |
---|---|
KR101078456B1 (ko) | 2011-10-31 |
US9741989B2 (en) | 2017-08-22 |
US20170288195A1 (en) | 2017-10-05 |
JPWO2006038532A1 (ja) | 2008-05-15 |
ATE534513T1 (de) | 2011-12-15 |
CN101031421B (zh) | 2011-07-27 |
CN102218880A (zh) | 2011-10-19 |
CN101031421A (zh) | 2007-09-05 |
US20080193833A1 (en) | 2008-08-14 |
EP1787805B1 (en) | 2011-11-23 |
KR20070059124A (ko) | 2007-06-11 |
EP1787805A1 (en) | 2007-05-23 |
TWI294350B (en) | 2008-03-11 |
EP1787805A4 (en) | 2010-07-14 |
US20140255753A1 (en) | 2014-09-11 |
JP4711965B2 (ja) | 2011-06-29 |
KR20080106989A (ko) | 2008-12-09 |
WO2006038532A1 (ja) | 2006-04-13 |
US10384426B2 (en) | 2019-08-20 |
TW200613138A (en) | 2006-05-01 |
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