JP2021169583A - ポリオレフィン微多孔膜の製造方法 - Google Patents

ポリオレフィン微多孔膜の製造方法 Download PDF

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Publication number
JP2021169583A
JP2021169583A JP2020073866A JP2020073866A JP2021169583A JP 2021169583 A JP2021169583 A JP 2021169583A JP 2020073866 A JP2020073866 A JP 2020073866A JP 2020073866 A JP2020073866 A JP 2020073866A JP 2021169583 A JP2021169583 A JP 2021169583A
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JP
Japan
Prior art keywords
stretching
sheet
film
stretched
resin
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.)
Pending
Application number
JP2020073866A
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English (en)
Japanese (ja)
Other versions
JP2021169583A5 (enExample
Inventor
高将 奥田
Takamasa Okuda
一喜 片田
Ikki Katada
慎 窪田
Shin Kubota
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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
Application filed by Toray Industries Inc filed Critical Toray Industries Inc
Priority to JP2020073866A priority Critical patent/JP2021169583A/ja
Priority to KR1020210003071A priority patent/KR20210128900A/ko
Publication of JP2021169583A publication Critical patent/JP2021169583A/ja
Publication of JP2021169583A5 publication Critical patent/JP2021169583A5/ja
Pending legal-status Critical Current

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    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • B29C55/14—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • B29C67/202—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored comprising elimination of a solid or a liquid ingredient
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/3468—Batteries, accumulators or fuel cells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/755—Membranes, diaphragms

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Cell Separators (AREA)
JP2020073866A 2020-04-17 2020-04-17 ポリオレフィン微多孔膜の製造方法 Pending JP2021169583A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2020073866A JP2021169583A (ja) 2020-04-17 2020-04-17 ポリオレフィン微多孔膜の製造方法
KR1020210003071A KR20210128900A (ko) 2020-04-17 2021-01-11 폴리올레핀 미다공막의 제조 방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020073866A JP2021169583A (ja) 2020-04-17 2020-04-17 ポリオレフィン微多孔膜の製造方法

Publications (2)

Publication Number Publication Date
JP2021169583A true JP2021169583A (ja) 2021-10-28
JP2021169583A5 JP2021169583A5 (enExample) 2023-03-14

Family

ID=78149565

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020073866A Pending JP2021169583A (ja) 2020-04-17 2020-04-17 ポリオレフィン微多孔膜の製造方法

Country Status (2)

Country Link
JP (1) JP2021169583A (enExample)
KR (1) KR20210128900A (enExample)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59229317A (ja) * 1983-06-13 1984-12-22 Showa Denko Kk 低温熱収縮性フイルムの製造方法
JPS61101227A (ja) * 1984-10-23 1986-05-20 Dainippon Ink & Chem Inc 膜およびその製造方法
JP2002331574A (ja) * 2001-05-11 2002-11-19 Kanegafuchi Chem Ind Co Ltd 光学用フィルムの製造方法
WO2011043160A1 (ja) * 2009-10-07 2011-04-14 東レ株式会社 多孔性ポリプロピレンフィルムロール
WO2018164057A1 (ja) * 2017-03-08 2018-09-13 東レ株式会社 ポリオレフィン微多孔膜、多層ポリオレフィン微多孔膜、積層ポリオレフィン微多孔膜、及び、セパレータ
WO2019151220A1 (ja) * 2018-02-01 2019-08-08 東レ株式会社 ポリオレフィン微多孔膜、コーティングフィルム及び電池、並びにポリオレフィン微多孔膜の製造方法
WO2020075794A1 (ja) * 2018-10-10 2020-04-16 東レ株式会社 ポリオレフィン微多孔膜、多層ポリオレフィン微多孔膜、電池

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4736017A (en) 1984-04-30 1988-04-05 The Board Of Trustees Of The Leland Stanford Junior University Chemically defined vaccine against urinary infections
JP6596329B2 (ja) 2014-12-24 2019-10-23 旭化成株式会社 ポリオレフィン微多孔膜の製造方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59229317A (ja) * 1983-06-13 1984-12-22 Showa Denko Kk 低温熱収縮性フイルムの製造方法
JPS61101227A (ja) * 1984-10-23 1986-05-20 Dainippon Ink & Chem Inc 膜およびその製造方法
JP2002331574A (ja) * 2001-05-11 2002-11-19 Kanegafuchi Chem Ind Co Ltd 光学用フィルムの製造方法
WO2011043160A1 (ja) * 2009-10-07 2011-04-14 東レ株式会社 多孔性ポリプロピレンフィルムロール
WO2018164057A1 (ja) * 2017-03-08 2018-09-13 東レ株式会社 ポリオレフィン微多孔膜、多層ポリオレフィン微多孔膜、積層ポリオレフィン微多孔膜、及び、セパレータ
WO2019151220A1 (ja) * 2018-02-01 2019-08-08 東レ株式会社 ポリオレフィン微多孔膜、コーティングフィルム及び電池、並びにポリオレフィン微多孔膜の製造方法
WO2020075794A1 (ja) * 2018-10-10 2020-04-16 東レ株式会社 ポリオレフィン微多孔膜、多層ポリオレフィン微多孔膜、電池

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