JPWO2021117801A1 - - Google Patents

Info

Publication number
JPWO2021117801A1
JPWO2021117801A1 JP2021564022A JP2021564022A JPWO2021117801A1 JP WO2021117801 A1 JPWO2021117801 A1 JP WO2021117801A1 JP 2021564022 A JP2021564022 A JP 2021564022A JP 2021564022 A JP2021564022 A JP 2021564022A JP WO2021117801 A1 JPWO2021117801 A1 JP WO2021117801A1
Authority
JP
Japan
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.)
Granted
Application number
JP2021564022A
Other languages
Japanese (ja)
Other versions
JPWO2021117801A5 (en
JP7375042B2 (en
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 filed Critical
Publication of JPWO2021117801A1 publication Critical patent/JPWO2021117801A1/ja
Publication of JPWO2021117801A5 publication Critical patent/JPWO2021117801A5/ja
Application granted granted Critical
Publication of JP7375042B2 publication Critical patent/JP7375042B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/0074—Production of other optical elements not provided for in B29D11/00009- B29D11/0073
    • B29D11/00788—Producing optical 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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/24—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length
    • B29C41/26—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length by depositing flowable material on a rotating drum
    • 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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/34—Component parts, details or accessories; Auxiliary operations
    • B29C41/46—Heating or cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B29D7/01—Films or sheets
    • 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
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2029/00—Use of polyvinylalcohols, polyvinylethers, polyvinylaldehydes, polyvinylketones or polyvinylketals or derivatives thereof as moulding material
    • B29K2029/04—PVOH, i.e. polyvinyl alcohol

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Polarising Elements (AREA)
  • Moulding By Coating Moulds (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
JP2021564022A 2019-12-11 2020-12-10 Manufacturing method of optical polyvinyl alcohol film Active JP7375042B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019223501 2019-12-11
JP2019223501 2019-12-11
PCT/JP2020/045996 WO2021117801A1 (en) 2019-12-11 2020-12-10 Optical polyvinyl alcohol film manufacturing method

Publications (3)

Publication Number Publication Date
JPWO2021117801A1 true JPWO2021117801A1 (en) 2021-06-17
JPWO2021117801A5 JPWO2021117801A5 (en) 2023-04-07
JP7375042B2 JP7375042B2 (en) 2023-11-07

Family

ID=76328927

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021564022A Active JP7375042B2 (en) 2019-12-11 2020-12-10 Manufacturing method of optical polyvinyl alcohol film

Country Status (5)

Country Link
JP (1) JP7375042B2 (en)
KR (1) KR20220113932A (en)
CN (1) CN114761200A (en)
TW (1) TW202132433A (en)
WO (1) WO2021117801A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012114820A1 (en) * 2011-02-21 2012-08-30 コニカミノルタオプト株式会社 Method for producing film and apparatus for producing film
WO2012127893A1 (en) * 2011-03-24 2012-09-27 コニカミノルタアドバンストレイヤー株式会社 Method for producing optical film
WO2014208537A1 (en) * 2013-06-28 2014-12-31 株式会社クラレ Poly(vinyl alcohol) polymer film and process for producing same
JP2017101216A (en) * 2015-11-25 2017-06-08 日本合成化学工業株式会社 Method for producing polyvinyl alcohol-based film an polyvinyl alcohol-based film

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005279341A (en) * 2004-03-26 2005-10-13 Fuji Photo Film Co Ltd Method of carrying supporting body, coating apparatus and optical film
JP5904725B2 (en) * 2010-07-21 2016-04-20 日本合成化学工業株式会社 Production method of polyvinyl alcohol film, polyvinyl alcohol film, polarizing film and polarizing plate
JP2013091195A (en) * 2011-10-25 2013-05-16 Konica Minolta Advanced Layers Inc Method of manufacturing optical film, and optical film manufactured by the same
CN104204046B (en) 2012-03-30 2017-06-23 株式会社可乐丽 Polyvinyl alcohol film and light polarizing film
CN107001671B (en) * 2014-12-12 2023-06-20 株式会社可乐丽 Polyvinyl alcohol film
KR102400929B1 (en) * 2016-05-27 2022-05-23 미쯔비시 케미컬 주식회사 Polyvinyl alcohol-based film and manufacturing method thereof, and polarizing film using the polyvinyl alcohol-based film

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012114820A1 (en) * 2011-02-21 2012-08-30 コニカミノルタオプト株式会社 Method for producing film and apparatus for producing film
WO2012127893A1 (en) * 2011-03-24 2012-09-27 コニカミノルタアドバンストレイヤー株式会社 Method for producing optical film
WO2014208537A1 (en) * 2013-06-28 2014-12-31 株式会社クラレ Poly(vinyl alcohol) polymer film and process for producing same
JP2017101216A (en) * 2015-11-25 2017-06-08 日本合成化学工業株式会社 Method for producing polyvinyl alcohol-based film an polyvinyl alcohol-based film

Also Published As

Publication number Publication date
WO2021117801A1 (en) 2021-06-17
KR20220113932A (en) 2022-08-17
TW202132433A (en) 2021-09-01
CN114761200A (en) 2022-07-15
JP7375042B2 (en) 2023-11-07

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