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 PDFInfo
- 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
- Authority
- JP
- Japan
- Prior art keywords
- film
- polyvinyl alcohol
- sdr
- pva
- winding
- 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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Images
Classifications
-
- 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
Landscapes
- 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)
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)
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)
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)
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 |
WO2015076169A1 (ja) * | 2013-11-21 | 2015-05-28 | 株式会社クラレ | ポリビニルアルコールフィルム |
-
2019
- 2019-03-11 CN CN201980018843.5A patent/CN111819479B/zh active Active
- 2019-03-11 TW TW108107975A patent/TWI794442B/zh active
- 2019-03-11 KR KR1020207026606A patent/KR20200130311A/ko not_active Application Discontinuation
- 2019-03-11 WO PCT/JP2019/009582 patent/WO2019176827A1/ja active Application Filing
- 2019-03-11 JP JP2020506497A patent/JP7279016B2/ja active Active
Patent Citations (3)
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 |
---|---|
JPWO2019176827A1 (ja) | 2021-03-25 |
CN111819479B (zh) | 2022-06-21 |
CN111819479A (zh) | 2020-10-23 |
WO2019176827A1 (ja) | 2019-09-19 |
KR20200130311A (ko) | 2020-11-18 |
TW201940563A (zh) | 2019-10-16 |
TWI794442B (zh) | 2023-03-01 |
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