KR20040044381A - 낮은 광학적 지연값을 갖는 열가소성 폴리카보네이트필름을 제조하는 방법 - Google Patents

낮은 광학적 지연값을 갖는 열가소성 폴리카보네이트필름을 제조하는 방법 Download PDF

Info

Publication number
KR20040044381A
KR20040044381A KR1020030082469A KR20030082469A KR20040044381A KR 20040044381 A KR20040044381 A KR 20040044381A KR 1020030082469 A KR1020030082469 A KR 1020030082469A KR 20030082469 A KR20030082469 A KR 20030082469A KR 20040044381 A KR20040044381 A KR 20040044381A
Authority
KR
South Korea
Prior art keywords
die
nip
thermoplastic polycarbonate
speed ratio
extrudate
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.)
Abandoned
Application number
KR1020030082469A
Other languages
English (en)
Korean (ko)
Inventor
슈 류
루이스에이. 콜론
Original Assignee
바이엘 폴리머스 엘엘씨
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 바이엘 폴리머스 엘엘씨 filed Critical 바이엘 폴리머스 엘엘씨
Publication of KR20040044381A publication Critical patent/KR20040044381A/ko
Abandoned legal-status Critical Current

Links

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
KR1020030082469A 2002-11-21 2003-11-20 낮은 광학적 지연값을 갖는 열가소성 폴리카보네이트필름을 제조하는 방법 Abandoned KR20040044381A (ko)

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
US10/301,175 2002-11-21

Publications (1)

Publication Number Publication Date
KR20040044381A true KR20040044381A (ko) 2004-05-28

Family

ID=32229891

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020030082469A Abandoned KR20040044381A (ko) 2002-11-21 2003-11-20 낮은 광학적 지연값을 갖는 열가소성 폴리카보네이트필름을 제조하는 방법

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100843555B1 (ko) * 2006-11-28 2008-07-03 (주)서진라이트 폴리카본네이트 시트의 성형장치

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060068128A1 (en) * 2004-09-30 2006-03-30 Eastman Kodak Company Optical films and process for making them
US7965441B2 (en) * 2004-09-30 2011-06-21 Industrial Technology Research Institute Optical film with super low retardation and polarizing plate containing the same
US7945069B2 (en) * 2004-11-22 2011-05-17 Harman International Industries, Incorporated Loudspeaker plastic cone body
US8007889B2 (en) 2005-04-28 2011-08-30 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
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
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
US20070013100A1 (en) * 2005-07-13 2007-01-18 Capaldo Kevin P Method for producing plastic film
US20080102239A1 (en) 2005-07-28 2008-05-01 High Voltage Graphics, Inc. End of roll paper sensing and system management
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
RU2008152316A (ru) * 2006-06-05 2010-07-20 Тейдзин Кемикалз Лтд. (Jp) Пленка из поликарбонатной смолы и способ ее получения
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
JP5261193B2 (ja) * 2006-12-28 2013-08-14 Mgcフィルシート株式会社 ポリマーフィルム
US8580174B2 (en) * 2006-12-29 2013-11-12 Sabic Innovative Plastics Ip B.V. Method for texturing polymeric films and articles comprising the same
US8475905B2 (en) 2007-02-14 2013-07-02 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
JP5777776B2 (ja) * 2008-08-04 2015-09-09 富士フイルム株式会社 光学フィルム、偏光板、光学補償フィルム、反射防止フィルムおよび液晶表示装置
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
WO2014059424A2 (en) 2012-10-12 2014-04-17 High Voltage Graphics, Inc. Flexible heat sealable decorative articles and method for making the same
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
US9720155B2 (en) 2014-05-02 2017-08-01 Sabic Global Technologies 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
SG71168A1 (en) 1997-11-14 2000-03-21 Gen Electric Method for producing textured thermoplastic film
SG75890A1 (en) 1997-11-14 2000-10-24 Gen Electric Finishing roll sleeve for extruded 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100843555B1 (ko) * 2006-11-28 2008-07-03 (주)서진라이트 폴리카본네이트 시트의 성형장치

Also Published As

Publication number Publication date
JP2004168063A (ja) 2004-06-17
CA2449546A1 (en) 2004-05-21
US6913714B2 (en) 2005-07-05
MXPA03010387A (es) 2005-04-11
EP1422043B1 (en) 2007-09-26
DE60316524T2 (de) 2008-07-03
JP4434700B2 (ja) 2010-03-17
DE60316524D1 (de) 2007-11-08
CN100467251C (zh) 2009-03-11
HK1064990A1 (zh) 2005-02-08
CN1502460A (zh) 2004-06-09
EP1422043A1 (en) 2004-05-26
US20040099973A1 (en) 2004-05-27

Similar Documents

Publication Publication Date Title
KR20040044381A (ko) 낮은 광학적 지연값을 갖는 열가소성 폴리카보네이트필름을 제조하는 방법
TWI467251B (zh) Phase difference film
KR101141114B1 (ko) 튜브형 수지 필름의 제조 장치 및 제조 방법
WO2012102178A1 (ja) 樹脂フィルムの製造方法及び製造装置
JPH09239812A (ja) 光学フィルムの製造方法及び光学フィルム
JPH09155951A (ja) ポリサルフォン樹脂フィルムの製造方法
JP3844211B2 (ja) 非晶性熱可塑性樹脂シートの製造方法
CN101258015B (zh) 纤维素树脂膜及其制备方法
KR100479618B1 (ko) 디스플레이용 플라스틱 광학 필름의 제조방법
HK1064990B (en) Method of producing thermoplastic polycarbonate films having low optical retardation values
JPH1010321A (ja) 光学フィルム及びその製造方法
JP5298655B2 (ja) 光学フィルムおよびその製造方法
JP6128818B2 (ja) 光学フィルムの製造方法
CN100475488C (zh) 管状树脂薄膜的制造装置和制造方法
JP6128819B2 (ja) 光学フィルムの製造方法
JP7336190B2 (ja) ポリカーボネート樹脂フィルムの製造方法
JP2006224462A (ja) Tダイ及びそれを用いた熱可塑性樹脂フィルムの製造方法
KR20090022130A (ko) 겔의 수 및 크기가 감소된 광학용 필름
TWI881030B (zh) 相位差薄膜的製造方法
JP2000009934A (ja) 位相差板の製造方法
JPH1016034A (ja) 光学フィルムの製造方法
JP2006056056A (ja) 熱可塑性ポリウレタンチューブの製造方法
JP2008170716A (ja) 位相差フィルムの製造方法
JP2004074572A (ja) フィルム熱処理装置
WO2024252766A1 (ja) 樹脂成形システム、運転条件制御方法、およびプログラム

Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 20031120

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20081007

Comment text: Request for Examination of Application

Patent event code: PA02011R01I

Patent event date: 20031120

Comment text: Patent Application

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20100422

NORF Unpaid initial registration fee
PC1904 Unpaid initial registration fee