JP7279016B2 - フィルムロール及びその製造方法 - Google Patents

フィルムロール及びその製造方法 Download PDF

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Publication number
JP7279016B2
JP7279016B2 JP2020506497A JP2020506497A JP7279016B2 JP 7279016 B2 JP7279016 B2 JP 7279016B2 JP 2020506497 A JP2020506497 A JP 2020506497A JP 2020506497 A JP2020506497 A JP 2020506497A JP 7279016 B2 JP7279016 B2 JP 7279016B2
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JP
Japan
Prior art keywords
film
polyvinyl alcohol
sdr
pva
winding
Prior art date
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JP2020506497A
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English (en)
Japanese (ja)
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JPWO2019176827A1 (ja
Inventor
良治 勝野
修 風藤
太我 油井
一彦 松田
友 渡邉
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.)
Kuraray Co Ltd
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Kuraray Co Ltd
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Publication date
Application filed by Kuraray Co Ltd filed Critical Kuraray Co Ltd
Publication of JPWO2019176827A1 publication Critical patent/JPWO2019176827A1/ja
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Publication of JP7279016B2 publication Critical patent/JP7279016B2/ja
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
    • 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B26D2001/0086—Cutting members therefor having a radiussed blunt cutting edge

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  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Polarising Elements (AREA)
  • Nonmetal Cutting Devices (AREA)
JP2020506497A 2018-03-12 2019-03-11 フィルムロール及びその製造方法 Active JP7279016B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018044800 2018-03-12
JP2018044800 2018-03-12
PCT/JP2019/009582 WO2019176827A1 (ja) 2018-03-12 2019-03-11 フィルムロール及びその製造方法

Publications (2)

Publication Number Publication Date
JPWO2019176827A1 JPWO2019176827A1 (ja) 2021-03-25
JP7279016B2 true JP7279016B2 (ja) 2023-05-22

Family

ID=67908321

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020506497A Active JP7279016B2 (ja) 2018-03-12 2019-03-11 フィルムロール及びその製造方法

Country Status (5)

Country Link
JP (1) JP7279016B2 (zh)
KR (1) KR20200130311A (zh)
CN (1) CN111819479B (zh)
TW (1) TWI794442B (zh)
WO (1) WO2019176827A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7221256B2 (ja) * 2020-09-14 2023-02-13 日東電工株式会社 偏光板、位相差層付偏光板、ならびに、該偏光板または該位相差層付偏光板を含む画像表示装置
JP7203879B2 (ja) * 2021-03-25 2023-01-13 日東電工株式会社 偏光板の製造方法および偏光板

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005306981A (ja) 2004-04-21 2005-11-04 Kuraray Co Ltd ポリビニルアルコール系重合体フィルム
JP2015033727A (ja) 2013-08-07 2015-02-19 住友化学株式会社 切断装置及び切断方法
WO2016182010A1 (ja) 2015-05-13 2016-11-17 株式会社クラレ ポリビニルアルコールフィルム

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4530522B2 (ja) * 2000-11-15 2010-08-25 株式会社クラレ 延伸加工用ビニルアルコール系重合体フィルムの切断方法
JP4192037B2 (ja) * 2003-06-02 2008-12-03 京セラ株式会社 切削工具およびその製造方法
CN105723259B (zh) * 2013-11-21 2019-05-10 株式会社可乐丽 聚乙烯醇膜

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005306981A (ja) 2004-04-21 2005-11-04 Kuraray Co Ltd ポリビニルアルコール系重合体フィルム
JP2015033727A (ja) 2013-08-07 2015-02-19 住友化学株式会社 切断装置及び切断方法
WO2016182010A1 (ja) 2015-05-13 2016-11-17 株式会社クラレ ポリビニルアルコールフィルム

Also Published As

Publication number Publication date
CN111819479B (zh) 2022-06-21
TWI794442B (zh) 2023-03-01
CN111819479A (zh) 2020-10-23
KR20200130311A (ko) 2020-11-18
TW201940563A (zh) 2019-10-16
JPWO2019176827A1 (ja) 2021-03-25
WO2019176827A1 (ja) 2019-09-19

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