WO2008093575A1 - 多層多孔膜及びその製造方法 - Google Patents

多層多孔膜及びその製造方法 Download PDF

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Publication number
WO2008093575A1
WO2008093575A1 PCT/JP2008/050874 JP2008050874W WO2008093575A1 WO 2008093575 A1 WO2008093575 A1 WO 2008093575A1 JP 2008050874 W JP2008050874 W JP 2008050874W WO 2008093575 A1 WO2008093575 A1 WO 2008093575A1
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WO
WIPO (PCT)
Prior art keywords
porous membrane
multilayer porous
less
inorganic filler
resin binder
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
Application number
PCT/JP2008/050874
Other languages
English (en)
French (fr)
Inventor
Hiroshi Murata
Hirosuke Naruto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Kasei Corp
Asahi Kasei Chemicals Corp
Original Assignee
Asahi Kasei Chemicals Corp
Asahi Kasei E Materials Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP2007019354A external-priority patent/JP5645342B2/ja
Priority claimed from JP2007019353A external-priority patent/JP2008186721A/ja
Application filed by Asahi Kasei Chemicals Corp, Asahi Kasei E Materials Corp filed Critical Asahi Kasei Chemicals Corp
Priority to US12/525,232 priority Critical patent/US9293752B2/en
Priority to KR20147010445A priority patent/KR20140072111A/ko
Priority to PL08703715T priority patent/PL2116372T3/pl
Priority to KR1020127010374A priority patent/KR101479822B1/ko
Priority to KR1020097015939A priority patent/KR101227325B1/ko
Priority to EP08703715.6A priority patent/EP2116372B1/en
Publication of WO2008093575A1 publication Critical patent/WO2008093575A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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Abstract

　ポリオレフィン樹脂多孔膜の少なくとも片面に、無機フィラーと樹脂バインダとを含む多孔層を備え、前記多孔層が次の（Ａ）～（Ｃ）、 （Ａ）前記無機フィラーの平均粒径が０．１μｍ以上３．０μｍ以下、 （Ｂ）前記樹脂バインダが、前記無機フィラーと前記樹脂バインダとの総量に占める割合が、体積分率で１％以上８％以下、 （Ｃ）前記多孔層の層厚が、総層厚に占める割合が１５％以上５０％以下、 を同時に満たす多層多孔膜を用いることにより、特に非水電解液電池用セパレータとしての高い安全性と実用性を兼ね備えた多層多孔膜を提供する。
PCT/JP2008/050874 2007-01-30 2008-01-23 多層多孔膜及びその製造方法 Ceased WO2008093575A1 (ja)

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US12/525,232 US9293752B2 (en) 2007-01-30 2008-01-23 Multilayer porous membrane and production method thereof
KR20147010445A KR20140072111A (ko) 2007-01-30 2008-01-23 다층 다공막 및 그의 제조 방법
PL08703715T PL2116372T3 (pl) 2007-01-30 2008-01-23 Wielowarstwowa porowata membrana i sposób jej wytwarzania
KR1020127010374A KR101479822B1 (ko) 2007-01-30 2008-01-23 다층 다공막 및 그의 제조 방법
KR1020097015939A KR101227325B1 (ko) 2007-01-30 2008-01-23 다층 다공막 및 그의 제조 방법
EP08703715.6A EP2116372B1 (en) 2007-01-30 2008-01-23 Multilayer porous membrane and production method thereof

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JP2007019354A JP5645342B2 (ja) 2007-01-30 2007-01-30 高耐熱性と高透過性を兼ね備えた多孔膜およびその製法
JP2007-019354 2007-01-30
JP2007019353A JP2008186721A (ja) 2007-01-30 2007-01-30 高耐熱性と高透過性を兼ね備えた多孔膜およびその製法
JP2007-019355 2007-01-30
JP2007019355 2007-01-30
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US20100285348A1 (en) 2010-11-11
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EP2116372A4 (en) 2011-05-11
KR20090094473A (ko) 2009-09-07
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