CN100467251C - 具有低光学延迟值的热塑性聚碳酸酯膜的制造方法 - Google Patents

具有低光学延迟值的热塑性聚碳酸酯膜的制造方法 Download PDF

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Publication number
CN100467251C
CN100467251C CNB2003101203679A CN200310120367A CN100467251C CN 100467251 C CN100467251 C CN 100467251C CN B2003101203679 A CNB2003101203679 A CN B2003101203679A CN 200310120367 A CN200310120367 A CN 200310120367A CN 100467251 C CN100467251 C CN 100467251C
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CN
China
Prior art keywords
die head
roller
roll gap
carbonic ether
thermoplastic poly
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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.)
Expired - Fee Related
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CNB2003101203679A
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English (en)
Chinese (zh)
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CN1502460A (zh
Inventor
刘舒
L·A·科伦
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Covestro LLC
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Bayer Polymers LLC
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Publication of CN1502460A publication Critical patent/CN1502460A/zh
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    • 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
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/24Calendering
    • 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
    • B29D7/00Producing flat articles, e.g. films or sheets
    • B29D7/01Films or sheets
    • 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
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07Flat, e.g. panels
    • B29C48/08Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911Cooling
    • B29C48/9135Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914Cooling drums
    • 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
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911Cooling
    • B29C48/9135Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/915Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
    • B29C48/9155Pressure rollers
    • 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
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/88Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/918Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling
    • B29C48/9185Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling in the direction of the stream of the material
    • 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
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • 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
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92009Measured parameter
    • B29C2948/92085Velocity
    • B29C2948/92095Angular velocity
    • 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
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92009Measured parameter
    • B29C2948/92114Dimensions
    • B29C2948/92123Diameter or circumference
    • 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
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92009Measured parameter
    • B29C2948/92209Temperature
    • 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
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92009Measured parameter
    • B29C2948/92247Optical properties
    • 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
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92323Location or phase of measurement
    • B29C2948/92361Extrusion unit
    • B29C2948/92409Die; Nozzle zone
    • 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
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92323Location or phase of measurement
    • B29C2948/92447Moulded article
    • 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
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/9258Velocity
    • B29C2948/9259Angular velocity
    • 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
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92609Dimensions
    • 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
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92704Temperature
    • 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
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92857Extrusion unit
    • B29C2948/92904Die; Nozzle zone
    • 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
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92923Calibration, after-treatment or cooling zone
    • 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
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • 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
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32Component parts, details or accessories; Auxiliary operations
    • B29C43/44Compression means for making articles of indefinite length
    • B29C43/46Rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2069/00Use of PC, i.e. polycarbonates or derivatives thereof, as moulding material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING 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
    • B29K2995/00Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0018Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
    • B29K2995/0031Refractive
    • B29K2995/0032Birefringent

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
CNB2003101203679A 2002-11-21 2003-11-21 具有低光学延迟值的热塑性聚碳酸酯膜的制造方法 Expired - Fee Related CN100467251C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/301,175 US6913714B2 (en) 2002-11-21 2002-11-21 Method of producing thermoplastic polycarbonate films having low optical retardation values
US10/301175 2002-11-21

Publications (2)

Publication Number Publication Date
CN1502460A CN1502460A (zh) 2004-06-09
CN100467251C true CN100467251C (zh) 2009-03-11

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Country Status (8)

Country Link
US (1) US6913714B2 (enExample)
EP (1) EP1422043B1 (enExample)
JP (1) JP4434700B2 (enExample)
KR (1) KR20040044381A (enExample)
CN (1) CN100467251C (enExample)
CA (1) CA2449546A1 (enExample)
DE (1) DE60316524T2 (enExample)
MX (1) MXPA03010387A (enExample)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7965441B2 (en) * 2004-09-30 2011-06-21 Industrial Technology Research Institute Optical film with super low retardation and polarizing plate containing the same
US20060068128A1 (en) * 2004-09-30 2006-03-30 Eastman Kodak Company Optical films and process for making them
JP4782143B2 (ja) * 2004-11-22 2011-09-28 ハーマン インターナショナル インダストリーズ インコーポレイテッド 拡声器のプラスチックコーンボディ
WO2006116706A2 (en) 2005-04-28 2006-11-02 High Voltage Graphics, Inc. Flocked multi-colored adhesive article with bright lustered flock and methods for making the same
DE102005020424A1 (de) * 2005-04-29 2006-11-02 Röhm Gmbh Verfahren zur Herstellung einer Folie aus thermoplastischem Kunststoff, Folie und Verwendung der Folie
JP2006334842A (ja) * 2005-05-31 2006-12-14 Fujifilm Holdings Corp 熱可塑性フィルムの製造方法及びそれを用いて製造した液晶表示板用光学補償フィルム
JP2006334841A (ja) * 2005-05-31 2006-12-14 Fujifilm Holdings Corp セルロースアシレートフィルムの製造方法及びそれを用いて製造した液晶表示板用光学補償フィルム
US20070013100A1 (en) * 2005-07-13 2007-01-18 Capaldo Kevin P Method for producing plastic film
WO2007016342A2 (en) 2005-07-28 2007-02-08 High Voltage Graphics, Inc. Flocked articles having noncompatible insert and porous film
CN100437260C (zh) * 2005-09-05 2008-11-26 索尼株式会社 光学膜的制造方法
US20070126144A1 (en) * 2005-12-02 2007-06-07 Yadong Jin Polish/texture thermoplastic film and method for making the same
CN101416082B (zh) * 2006-06-05 2012-07-04 帝人化成株式会社 聚碳酸酯树脂薄膜及其制造方法
KR100843555B1 (ko) * 2006-11-28 2008-07-03 (주)서진라이트 폴리카본네이트 시트의 성형장치
JP2008132699A (ja) * 2006-11-29 2008-06-12 Sumitomo Chemical Co Ltd 表面形状転写樹脂シートの製造方法
EP2098357B1 (en) * 2006-12-28 2012-06-06 MGC Filsheet Co., Ltd. Polymer film
US8580174B2 (en) * 2006-12-29 2013-11-12 Sabic Innovative Plastics Ip B.V. Method for texturing polymeric films and articles comprising the same
WO2008101115A1 (en) 2007-02-14 2008-08-21 High Voltage Graphics, Inc. Sublimation dye printed textile
JP5174595B2 (ja) * 2007-09-21 2013-04-03 住友化学株式会社 ポリプロピレン系樹脂製位相差フィルム用原反フィルムの製造方法
JP5123654B2 (ja) * 2007-12-11 2013-01-23 住友化学株式会社 押出樹脂板の製造方法
JP5390793B2 (ja) * 2008-05-28 2014-01-15 東芝機械株式会社 シート成形装置およびシート成形方法
DE102008031873B4 (de) * 2008-07-05 2010-03-04 gwk Gesellschaft Wärme Kältetechnik mbH Anlage zur kontinuierlichen Herstellung von Folien oder Platten aus Kunststoff
US8518202B2 (en) * 2008-07-23 2013-08-27 Lrm Industries International, Inc. Method and apparatus for forming a shaped multilayered molded article
JP5797305B2 (ja) * 2008-08-04 2015-10-21 富士フイルム株式会社 光学フィルムの製造方法
CN102350798A (zh) * 2011-10-19 2012-02-15 苏州奥美材料科技有限公司 一种聚碳酸酯复合薄膜加工机及加工方法
CN104837645A (zh) 2012-10-12 2015-08-12 高压制图公司 柔性可热封装饰性制品及其制造方法
CN102886853A (zh) * 2012-10-23 2013-01-23 苏州嘉银绝缘材料有限公司 流涎机上聚酰亚胺薄膜厚度在线控制系统
EP3137299B1 (en) * 2014-05-02 2017-07-26 SABIC Global Technologies B.V. Multilayered articles with low optical retardation
CA3018516A1 (en) 2017-09-26 2019-03-26 Davis-Standard, Llc Casting apparatus for manufacturing polymer film
CN107813512A (zh) * 2017-10-25 2018-03-20 江苏瀚阳新材料科技有限公司 Pmma导光级透明膜片的制备系统及制备方法
DE102018201684A1 (de) * 2018-02-05 2019-08-08 Tesa Se Strukturierte Walzen im Kalander - und Nachkalandrierprozess
US11648723B2 (en) * 2019-12-03 2023-05-16 Racing Optics, Inc. Method and apparatus for reducing non-normal incidence distortion in glazing films
BE1028939B1 (fr) * 2020-12-24 2022-07-25 Ace Srl Appareil et procede de production d'une nappe polyolefinique, et procede de commande dudit appareil
EP4628276A1 (en) * 2024-04-05 2025-10-08 Colines S.P.A. A thermostated plant for producing a plastic material film to be then subjected to a stretching process and related method

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4368240A (en) * 1981-07-27 1983-01-11 Nauta Roll Corporation High gloss rubber roll
DE3719242A1 (de) * 1987-06-06 1988-12-15 Roehm Gmbh Verfahren und vorrichtung zur herstellung von kunststoffolien
US5244713A (en) * 1988-12-27 1993-09-14 Sumitomo Chemical Co., Ltd. Optical film
EP0380028A3 (en) 1989-01-23 1992-06-03 Eastman Kodak Company Process for the production of low birefringent polymer films
DE3911218A1 (de) * 1989-04-07 1990-10-11 Bayer Ag Verfahren zur herstellung optisch isotroper extrusionsfolien
DE4018531C1 (enExample) 1990-06-09 1992-02-13 Roehm Gmbh, 6100 Darmstadt, De
US5478518A (en) * 1993-10-04 1995-12-26 Teijin Limited Polycarbonate film for optical purposes and a production process thereof
JP3696649B2 (ja) * 1994-08-18 2005-09-21 康博 小池 非複屈折性の光学樹脂材料及びその製造方法並びに光学樹脂材料を用いた液晶素子用の部材
US5779962A (en) * 1996-04-01 1998-07-14 Minnesota Mining And Manufacturing Company Extruding thin multiphase polymer films
US5914150A (en) * 1997-02-28 1999-06-22 Candescent Technologies Corporation Formation of polycarbonate film with apertures determined by etching charged-particle tracks
US6270863B1 (en) 1997-11-07 2001-08-07 Rohm And Haas Company Process and apparatus for forming plastic sheet
SG75890A1 (en) 1997-11-14 2000-10-24 Gen Electric Finishing roll sleeve for extruded thermoplastic film
SG71168A1 (en) 1997-11-14 2000-03-21 Gen Electric Method for producing textured thermoplastic film
US6280808B1 (en) * 1999-05-25 2001-08-28 Rohm And Haas Company Process and apparatus for forming plastic sheet
US6682805B1 (en) * 1999-05-14 2004-01-27 General Electric Company Insert mold decorating film for thermoplastic resin
US6773649B2 (en) 2001-02-16 2004-08-10 General Electric Company Film extrusion process for producing thermoplastic film
US20030099808A1 (en) * 2001-11-27 2003-05-29 General Electric Company Method for producing low birefringence, low stress plastic film or sheet with low molecular weight plastic

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Publication number Publication date
HK1064990A1 (zh) 2005-02-08
US6913714B2 (en) 2005-07-05
DE60316524T2 (de) 2008-07-03
KR20040044381A (ko) 2004-05-28
EP1422043A1 (en) 2004-05-26
CN1502460A (zh) 2004-06-09
MXPA03010387A (es) 2005-04-11
CA2449546A1 (en) 2004-05-21
US20040099973A1 (en) 2004-05-27
JP4434700B2 (ja) 2010-03-17
DE60316524D1 (de) 2007-11-08
EP1422043B1 (en) 2007-09-26
JP2004168063A (ja) 2004-06-17

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