JP7571788B2 - 二軸配向ポリプロピレンフィルムの製造方法 - Google Patents

二軸配向ポリプロピレンフィルムの製造方法 Download PDF

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Publication number
JP7571788B2
JP7571788B2 JP2022531804A JP2022531804A JP7571788B2 JP 7571788 B2 JP7571788 B2 JP 7571788B2 JP 2022531804 A JP2022531804 A JP 2022531804A JP 2022531804 A JP2022531804 A JP 2022531804A JP 7571788 B2 JP7571788 B2 JP 7571788B2
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Japan
Prior art keywords
film
temperature
width direction
stretching
biaxially oriented
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.)
Active
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JP2022531804A
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English (en)
Japanese (ja)
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JPWO2021261313A1 (https=
Inventor
一仁 堀之内
浩司 山田
健介 種木
徹 今井
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.)
Toyobo Co Ltd
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Toyobo Co Ltd
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Publication date
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Publication of JPWO2021261313A1 publication Critical patent/JPWO2021261313A1/ja
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Publication of JP7571788B2 publication Critical patent/JP7571788B2/ja
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Classifications

    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
JP2022531804A 2020-06-25 2021-06-14 二軸配向ポリプロピレンフィルムの製造方法 Active JP7571788B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020109789 2020-06-25
JP2020109789 2020-06-25
PCT/JP2021/022512 WO2021261313A1 (ja) 2020-06-25 2021-06-14 二軸配向ポリプロピレンフィルムの製造方法

Publications (2)

Publication Number Publication Date
JPWO2021261313A1 JPWO2021261313A1 (https=) 2021-12-30
JP7571788B2 true JP7571788B2 (ja) 2024-10-23

Family

ID=79281169

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022531804A Active JP7571788B2 (ja) 2020-06-25 2021-06-14 二軸配向ポリプロピレンフィルムの製造方法

Country Status (3)

Country Link
JP (1) JP7571788B2 (https=)
TW (1) TW202212106A (https=)
WO (1) WO2021261313A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2024257807A1 (https=) * 2023-06-14 2024-12-19

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016158590A1 (ja) 2015-03-27 2016-10-06 東レ株式会社 コンデンサ用二軸配向ポリプロピレンフィルム、金属積層フィルムおよびフィルムコンデンサ

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3163930B2 (ja) * 1995-01-05 2001-05-08 東洋紡績株式会社 微細空洞含有熱可塑性樹脂フィルムを基材とする記録材料
JP7062990B2 (ja) * 2017-02-16 2022-05-09 東レ株式会社 二軸配向ポリプロピレンフィルム

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016158590A1 (ja) 2015-03-27 2016-10-06 東レ株式会社 コンデンサ用二軸配向ポリプロピレンフィルム、金属積層フィルムおよびフィルムコンデンサ

Also Published As

Publication number Publication date
WO2021261313A1 (ja) 2021-12-30
TW202212106A (zh) 2022-04-01
JPWO2021261313A1 (https=) 2021-12-30

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