KR100649375B1 - 다공성 필름 및 이의 제조방법 - Google Patents
다공성 필름 및 이의 제조방법 Download PDFInfo
- Publication number
- KR100649375B1 KR100649375B1 KR1020017000168A KR20017000168A KR100649375B1 KR 100649375 B1 KR100649375 B1 KR 100649375B1 KR 1020017000168 A KR1020017000168 A KR 1020017000168A KR 20017000168 A KR20017000168 A KR 20017000168A KR 100649375 B1 KR100649375 B1 KR 100649375B1
- Authority
- KR
- South Korea
- Prior art keywords
- porous film
- polymer
- heat
- temperature
- resin
- Prior art date
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- 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
- 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
- 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
- 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
- B01D71/44—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of groups B01D71/26-B01D71/42
-
- 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
-
- 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
-
- 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
- B01D2323/30—Cross-linking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/20—Specific permeability or cut-off range
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/22—Thermal or heat-resistance properties
-
- 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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Cell Separators (AREA)
Abstract
Description
두께 (㎛) | 공극률 (%) | 통기도 (초/100 ㏄) | 천공 강도 (gf/25 ㎛) | 내열 막파손 온도 (℃) | 열처리 조건 (가교처리) | |
실시예 1 | 26 | 65 | 197 | 510 | 170 | 열처리후 |
실시예 2 | 52 | 63 | 380 | 790 | 150 | 미처리 |
실시예 3 | 45 | 58 | 440 | 800 | 170 | 50% 처리 |
실시예 4 | 42 | 54 | 470 | 820 | 220 | 열처리후 |
실시예 5 | 24 | 42 | 490 | 440 | >240 | 열처리후 |
실시예 6 | 23 | 39 | 620 | 460 | >240 | 열처리후 |
실시예 7 | 20 | 35 | 750 | 420 | >240 | 열처리후 |
실시예 8 | 19 | 33 | 1500 | 400 | >240 | 열처리후 |
실시예 9 | 42 | 54 | 470 | 820 | 220 | 열처리후 |
비교예 1 | 25 | 67 | 185 | 515 | <150 | 열처리후 |
비교예 2 | 40 | 50 | 500 | 700 | 150 | 미처리 |
비교예 3 | 40 | 35 | 3000 | 700 | 150 | 50% 처리 |
비교예 4 | 40 | 20 | >5000 | 700 | 150 | 열처리후 |
Claims (14)
- 주쇄에 C=C 이중결합 및 탄소수 5 ~ 10의 지방족 고리를 갖는 중합체 (a)와, 다른 수지 (b)를 함유하는 중합체 조성물로 이루어지고, 상기 중합체 (a)와 상기 수지 (b)가 가교된 것을 특징으로 하는 다공성 필름.
- 제 1 항에 있어서, 중합체 (a)가 불포화 축합된 지환족 화합물의 개환 중합체인 것을 특징으로 하는 다공성 필름.
- 제 2 항에 있어서, 불포화 축합된 지환족 화합물이 노르보르넨 또는 노르보르넨 유도체인 것을 특징으로 하는 다공성 필름.
- 제 1 항에 있어서, 수지 (b)가 폴리올레핀계 수지인 것을 특징으로 하는 다공성 필름.
- 제 4 항에 있어서, 폴리올레핀계 수지가 폴리에틸렌계 수지인 것을 특징으로 하는 다공성 필름.
- 제 4 항에 있어서, 폴리올레핀계 수지가 초고분자량 폴리에틸렌을 함유하는 것을 특징으로 하는 다공성 필름.
- 제 1 항 내지 제 6 항 중 어느 한 항에 있어서, 중합체 조성물에서의 중합체 (a)의 함량은 0.5 ~ 70 중량% 이고, 수지 (b)의 함량은 30 ~ 99.5 중량% 인 것을 특징으로 하는 다공성 필름.
- 제 1 항 내지 제 6 항 중 어느 한 항에 있어서, 상기 중합체 (a) 에서의 C=C 이중결합의 전부 또는 일부가 소실되어 이루어진 것을 특징으로 하는 다공성 필름.
- 제 8 항에 있어서, 노르보르넨의 개환 중합체에서의 C=C 이중결합의 전부 또는 일부가 소실되어 이루어진 것을 특징으로 하는 다공성 필름.
- 삭제
- 제 1 항에 있어서, 노르보르넨의 개환 중합체와 초고분자량 폴리에틸렌이 가교되어 이루어진 것을 특징으로 하는 다공성 필름.
- 제 1 항 내지 제 6 항 중 어느 한 항에 따른 다공성 필름을 산소 존재 하에서 열처리하는 것을 포함하는, 다공성 필름의 제조방법.
- 제 1 항 내지 제 6 항 중 어느 한 항에 따른 다공성 필름으로 이루어진 전지용 세퍼레이터.
- 제 13 항에 따른 세퍼레이터가 배치되어 이루어진 전지.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12756999 | 1999-05-07 | ||
JP99-127569 | 1999-05-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010071749A KR20010071749A (ko) | 2001-07-31 |
KR100649375B1 true KR100649375B1 (ko) | 2006-11-24 |
Family
ID=14963295
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020017000168A KR100649375B1 (ko) | 1999-05-07 | 2000-04-28 | 다공성 필름 및 이의 제조방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6716553B1 (ko) |
EP (2) | EP2259369A1 (ko) |
JP (1) | JP4641623B2 (ko) |
KR (1) | KR100649375B1 (ko) |
WO (1) | WO2000068305A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100756059B1 (ko) | 2007-04-30 | 2007-09-07 | 한국이엠 주식회사 | 다공질 시트 제조용 압출기 및 이를 이용한 다공질 시트의제조방법 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4248093B2 (ja) * | 1999-08-23 | 2009-04-02 | 日東電工株式会社 | 多孔質フィルム |
JP4703076B2 (ja) * | 1999-08-31 | 2011-06-15 | 日東電工株式会社 | 微多孔フィルム |
JP4582675B2 (ja) * | 2000-11-06 | 2010-11-17 | 日東電工株式会社 | 非水電解液電池用セパレータ及び非水電解液電池 |
JP2003243435A (ja) | 2002-02-14 | 2003-08-29 | Hitachi Ltd | 半導体集積回路装置の製造方法 |
DK1487041T3 (da) * | 2002-03-07 | 2007-08-06 | Nitto Denko Corp | Elektrolytfilm og fastpolymerbrændselscelle hvori denne anvendes |
KR100599898B1 (ko) | 2002-08-28 | 2006-07-19 | 아사히 가세이 케미칼즈 가부시키가이샤 | 폴리올레핀제 미다공막 및 그의 평가 방법 |
KR100599319B1 (ko) * | 2003-05-06 | 2006-07-14 | 차국헌 | 나노다공성 저유전성 폴리노보넨계 공중합체 박막 및 그 제조방법 |
JP4791087B2 (ja) * | 2004-09-30 | 2011-10-12 | 日東電工株式会社 | 反応性ポリマー担持多孔質フィルムとその製法 |
US7704597B2 (en) * | 2004-10-13 | 2010-04-27 | Nitto Denko Corporation | Porous film |
EP2182574B1 (en) * | 2008-10-29 | 2014-03-05 | Samsung Electronics Co., Ltd. | Electrolyte composition and catalyst ink used to form solid electrolyte membrane |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0845490A2 (en) * | 1996-11-19 | 1998-06-03 | Oji-Yuka Synthetic Paper Co., Ltd. | Porous molded article |
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JPS5747334A (en) | 1980-09-03 | 1982-03-18 | Mitsubishi Chem Ind Ltd | Production of porous film or sheet |
US4699857A (en) * | 1986-10-15 | 1987-10-13 | W. R. Grace & Co. | Battery separator |
JPS6418091A (en) | 1987-07-14 | 1989-01-20 | Brother Ind Ltd | Clock device |
CA2010319C (en) * | 1989-02-20 | 2001-03-13 | Yohzoh Yamamoto | Foamable polymer composition and foamed article |
JP2904842B2 (ja) | 1989-02-20 | 1999-06-14 | 三井化学株式会社 | 発泡性重合体組成物および発泡体 |
JP2915957B2 (ja) * | 1990-03-28 | 1999-07-05 | 三井化学株式会社 | 発泡性重合体組成物 |
JPH04145105A (ja) * | 1990-10-05 | 1992-05-19 | Nippon Oil Co Ltd | エチレン重合体または共重合体の製造方法 |
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JP3165503B2 (ja) * | 1992-03-30 | 2001-05-14 | 出光興産株式会社 | 発泡性樹脂組成物及び発泡体 |
JPH0653826B2 (ja) | 1992-05-18 | 1994-07-20 | 東燃株式会社 | ポリエチレン微多孔膜 |
JP3102149B2 (ja) | 1992-07-31 | 2000-10-23 | 松下電器産業株式会社 | クロック同期装置 |
JPH06163023A (ja) | 1992-09-03 | 1994-06-10 | Asahi Chem Ind Co Ltd | 電池セパレータ |
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JPH07133363A (ja) | 1993-11-10 | 1995-05-23 | Toray Ind Inc | 白色フイルム |
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JP3449656B2 (ja) | 1994-11-11 | 2003-09-22 | 旭化成株式会社 | 電池セパレータ |
JPH09169867A (ja) | 1995-10-17 | 1997-06-30 | Asahi Chem Ind Co Ltd | 微多孔膜及びその製造方法 |
JP3699562B2 (ja) * | 1997-04-23 | 2005-09-28 | 東燃化学株式会社 | ポリオレフィン微多孔膜及びその製造方法 |
JPH10330560A (ja) * | 1997-06-05 | 1998-12-15 | Chisso Corp | 発泡成形用樹脂組成物及び発泡成形品 |
JP4014262B2 (ja) * | 1997-09-29 | 2007-11-28 | 三井化学株式会社 | 発泡体およびその用途 |
JP3371839B2 (ja) * | 1998-02-05 | 2003-01-27 | 株式会社デンソー | リチウム二次電池及びリチウム二次電池用電極の製造方法 |
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JP2000107578A (ja) * | 1998-10-02 | 2000-04-18 | Fuji Photo Film Co Ltd | ノルボルネン系樹脂を使った多孔性膜の製法 |
JP4703076B2 (ja) * | 1999-08-31 | 2011-06-15 | 日東電工株式会社 | 微多孔フィルム |
-
2000
- 2000-04-28 US US09/743,109 patent/US6716553B1/en not_active Expired - Lifetime
- 2000-04-28 KR KR1020017000168A patent/KR100649375B1/ko active IP Right Grant
- 2000-04-28 EP EP10176811A patent/EP2259369A1/en not_active Withdrawn
- 2000-04-28 EP EP00922900A patent/EP1101792A4/en not_active Withdrawn
- 2000-04-28 JP JP2000616274A patent/JP4641623B2/ja not_active Expired - Fee Related
- 2000-04-28 WO PCT/JP2000/002806 patent/WO2000068305A1/ja active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0845490A2 (en) * | 1996-11-19 | 1998-06-03 | Oji-Yuka Synthetic Paper Co., Ltd. | Porous molded article |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100756059B1 (ko) | 2007-04-30 | 2007-09-07 | 한국이엠 주식회사 | 다공질 시트 제조용 압출기 및 이를 이용한 다공질 시트의제조방법 |
Also Published As
Publication number | Publication date |
---|---|
EP1101792A4 (en) | 2006-12-20 |
EP2259369A1 (en) | 2010-12-08 |
KR20010071749A (ko) | 2001-07-31 |
WO2000068305A1 (en) | 2000-11-16 |
EP1101792A1 (en) | 2001-05-23 |
US6716553B1 (en) | 2004-04-06 |
JP4641623B2 (ja) | 2011-03-02 |
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