CN115139505A - 拉伸膜的制造方法 - Google Patents

拉伸膜的制造方法 Download PDF

Info

Publication number
CN115139505A
CN115139505A CN202210328663.0A CN202210328663A CN115139505A CN 115139505 A CN115139505 A CN 115139505A CN 202210328663 A CN202210328663 A CN 202210328663A CN 115139505 A CN115139505 A CN 115139505A
Authority
CN
China
Prior art keywords
film
jig
stretched
pitch
stretching
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.)
Pending
Application number
CN202210328663.0A
Other languages
English (en)
Chinese (zh)
Inventor
中原步梦
清水享
北岸一志
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.)
Nitto Denko Corp
Original Assignee
Nitto Denko Corp
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 Nitto Denko Corp filed Critical Nitto Denko Corp
Publication of CN115139505A publication Critical patent/CN115139505A/zh
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/04Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/20Edge clamps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/18Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets by squeezing between surfaces, e.g. rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00634Production of filters
    • B29D11/00644Production of filters polarizing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/0073Optical laminates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/0074Production of other optical elements not provided for in B29D11/00009- B29D11/0073
    • B29D11/00788Producing optical films
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/30Polarising elements
    • G02B5/3025Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3033Polarisers, 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
    • G02B5/3041Polarisers, 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 comprising multiple thin layers, e.g. multilayer stacks
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/30Polarising elements
    • G02B5/3083Birefringent or phase retarding elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Polarising Elements (AREA)
CN202210328663.0A 2021-03-30 2022-03-30 拉伸膜的制造方法 Pending CN115139505A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021-057328 2021-03-30
JP2021057328A JP6988014B1 (ja) 2021-03-30 2021-03-30 延伸フィルムの製造方法

Publications (1)

Publication Number Publication Date
CN115139505A true CN115139505A (zh) 2022-10-04

Family

ID=79239697

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210328663.0A Pending CN115139505A (zh) 2021-03-30 2022-03-30 拉伸膜的制造方法

Country Status (3)

Country Link
JP (1) JP6988014B1 (ko)
KR (1) KR20220136224A (ko)
CN (1) CN115139505A (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114368176A (zh) * 2022-01-14 2022-04-19 宿迁市金田塑业有限公司 双向拉伸聚乙烯热封薄膜的制备工艺及自动化流水线

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101025456A (zh) * 2006-02-24 2007-08-29 日东电工株式会社 偏振镜的制造方法、偏振镜、偏振片、光学薄膜、图像显示装置及清洗装置
CN101909857A (zh) * 2007-12-27 2010-12-08 株式会社钟化 拉伸膜的制造方法、膜的制造方法及膜
CN102947735A (zh) * 2010-06-22 2013-02-27 住友化学株式会社 偏光膜的制造方法
CN203759287U (zh) * 2014-02-28 2014-08-06 日东电工株式会社 偏光膜的制造装置
US20170239878A1 (en) * 2016-02-19 2017-08-24 Sumitomo Chemical Company, Limited Expander device, porous film producing apparatus, and porous film producing method
CN111716690A (zh) * 2019-03-20 2020-09-29 日东电工株式会社 拉伸膜的制造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005227650A (ja) * 2004-02-16 2005-08-25 Sumitomo Chemical Co Ltd 偏光フィルムの製造方法、偏光板および光学積層体
JP4874611B2 (ja) * 2005-09-16 2012-02-15 積水化学工業株式会社 延伸熱可塑性ポリエステル系樹脂シートの製造方法
JP4845619B2 (ja) 2006-07-19 2011-12-28 東芝機械株式会社 シート・フィルムの斜め延伸方法およびクリップ式シート・フィルム延伸装置
JP5339017B1 (ja) * 2012-11-06 2013-11-13 コニカミノルタ株式会社 長尺延伸フィルムの製造方法
KR101963067B1 (ko) * 2015-03-20 2019-03-27 코니카 미놀타 가부시키가이샤 경사 연신 필름의 제조 방법
JP2017009883A (ja) * 2015-06-25 2017-01-12 コニカミノルタ株式会社 光学フィルムの製造方法、光学フィルム、円偏光板及び表示装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101025456A (zh) * 2006-02-24 2007-08-29 日东电工株式会社 偏振镜的制造方法、偏振镜、偏振片、光学薄膜、图像显示装置及清洗装置
CN101909857A (zh) * 2007-12-27 2010-12-08 株式会社钟化 拉伸膜的制造方法、膜的制造方法及膜
CN102947735A (zh) * 2010-06-22 2013-02-27 住友化学株式会社 偏光膜的制造方法
CN203759287U (zh) * 2014-02-28 2014-08-06 日东电工株式会社 偏光膜的制造装置
US20170239878A1 (en) * 2016-02-19 2017-08-24 Sumitomo Chemical Company, Limited Expander device, porous film producing apparatus, and porous film producing method
CN111716690A (zh) * 2019-03-20 2020-09-29 日东电工株式会社 拉伸膜的制造方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114368176A (zh) * 2022-01-14 2022-04-19 宿迁市金田塑业有限公司 双向拉伸聚乙烯热封薄膜的制备工艺及自动化流水线
CN114368176B (zh) * 2022-01-14 2023-07-04 宿迁市金田塑业有限公司 双向拉伸聚乙烯热封薄膜的制备工艺及自动化流水线

Also Published As

Publication number Publication date
JP6988014B1 (ja) 2022-01-05
KR20220136224A (ko) 2022-10-07
JP2022154340A (ja) 2022-10-13

Similar Documents

Publication Publication Date Title
CN111716691B (zh) 拉伸膜的制造方法
CN111716690B (zh) 拉伸膜的制造方法
CN111670396B (zh) 拉伸膜的制造方法
CN115139505A (zh) 拉伸膜的制造方法
CN115782147B (zh) 拉伸膜的制造方法和光学层叠体的制造方法
CN115122619A (zh) 拉伸膜的制造方法
CN115139503A (zh) 拉伸膜的制造方法
CN115782146B (zh) 拉伸膜的制造方法及光学层叠体的制造方法
CN115122620A (zh) 延伸膜的制造方法
CN115139502A (zh) 延伸膜的制造方法
CN115122617A (zh) 拉伸膜的制造方法
CN115122616A (zh) 拉伸膜的制造方法
CN115871209B (zh) 拉伸膜的制造方法及光学层叠体的制造方法
JP7015950B1 (ja) 延伸フィルムの製造方法
KR102531093B1 (ko) 연신 필름의 제조 방법 및 광학 적층체의 제조 방법
CN115139501A (zh) 延伸膜的制造方法
CN115871210A (zh) 拉伸膜的制造方法、光学层叠体的制造方法及膜拉伸装置

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination