KR20210128900A - 폴리올레핀 미다공막의 제조 방법 - Google Patents

폴리올레핀 미다공막의 제조 방법 Download PDF

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Publication number
KR20210128900A
KR20210128900A KR1020210003071A KR20210003071A KR20210128900A KR 20210128900 A KR20210128900 A KR 20210128900A KR 1020210003071 A KR1020210003071 A KR 1020210003071A KR 20210003071 A KR20210003071 A KR 20210003071A KR 20210128900 A KR20210128900 A KR 20210128900A
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KR
South Korea
Prior art keywords
stretching
sheet
film
extending
roll
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.)
Withdrawn
Application number
KR1020210003071A
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English (en)
Korean (ko)
Inventor
타카마사 오쿠다
잇키 카타다
신 쿠보타
Original Assignee
도레이 카부시키가이샤
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 도레이 카부시키가이샤 filed Critical 도레이 카부시키가이샤
Publication of KR20210128900A publication Critical patent/KR20210128900A/ko
Withdrawn legal-status Critical Current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)
KR1020210003071A 2020-04-17 2021-01-11 폴리올레핀 미다공막의 제조 방법 Withdrawn KR20210128900A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2020-073866 2020-04-17
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 (1)

Publication Number Publication Date
KR20210128900A true KR20210128900A (ko) 2021-10-27

Family

ID=78149565

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020210003071A Withdrawn KR20210128900A (ko) 2020-04-17 2021-01-11 폴리올레핀 미다공막의 제조 방법

Country Status (2)

Country Link
JP (1) JP2021169583A (https=)
KR (1) KR20210128900A (https=)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6122A (ja) 1984-04-30 1986-01-06 ザ・ボ−ド・オヴ・トラステイ−ズ・オヴ・ザ・レランド・スタンフオ−ド・ジユニア・ユニヴア−シテイ 尿路感染症のための化学的に規定されたワクチン
JP2016121354A (ja) 2014-12-24 2016-07-07 旭化成イーマテリアルズ株式会社 ポリオレフィン微多孔膜の製造方法

Family Cites Families (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
JP5672007B2 (ja) * 2009-10-07 2015-02-18 東レ株式会社 多孔性ポリプロピレンフィルムロール
CN110382606A (zh) * 2017-03-08 2019-10-25 东丽株式会社 聚烯烃微多孔膜、多层聚烯烃微多孔膜、层叠聚烯烃微多孔膜以及隔膜
JPWO2019151220A1 (ja) * 2018-02-01 2020-12-03 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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6122A (ja) 1984-04-30 1986-01-06 ザ・ボ−ド・オヴ・トラステイ−ズ・オヴ・ザ・レランド・スタンフオ−ド・ジユニア・ユニヴア−シテイ 尿路感染症のための化学的に規定されたワクチン
JP2016121354A (ja) 2014-12-24 2016-07-07 旭化成イーマテリアルズ株式会社 ポリオレフィン微多孔膜の製造方法

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JP2021169583A (ja) 2021-10-28

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