DE69128955T2 - Optisch-isotrope Polyarylatfolie und Verfahren zur Herstellung derselben - Google Patents

Optisch-isotrope Polyarylatfolie und Verfahren zur Herstellung derselben

Info

Publication number
DE69128955T2
DE69128955T2 DE69128955T DE69128955T DE69128955T2 DE 69128955 T2 DE69128955 T2 DE 69128955T2 DE 69128955 T DE69128955 T DE 69128955T DE 69128955 T DE69128955 T DE 69128955T DE 69128955 T2 DE69128955 T2 DE 69128955T2
Authority
DE
Germany
Prior art keywords
producing
same
optical isotropic
polyarylate film
isotropic polyarylate
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.)
Expired - Fee Related
Application number
DE69128955T
Other languages
English (en)
Other versions
DE69128955D1 (de
Inventor
Toshio Ikeda
Kouji Shimizu
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.)
Kanegafuchi Chemical Industry Co Ltd
Original Assignee
Kanegafuchi Chemical Industry Co Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=18198372&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69128955(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kanegafuchi Chemical Industry Co Ltd filed Critical Kanegafuchi Chemical Industry Co Ltd
Publication of DE69128955D1 publication Critical patent/DE69128955D1/de
Application granted granted Critical
Publication of DE69128955T2 publication Critical patent/DE69128955T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C08J2367/03—Polyesters derived from dicarboxylic acids and dihydroxy compounds the dicarboxylic acids and dihydroxy compounds having the hydroxy and the carboxyl groups directly linked to aromatic rings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]
DE69128955T 1990-11-28 1991-11-27 Optisch-isotrope Polyarylatfolie und Verfahren zur Herstellung derselben Expired - Fee Related DE69128955T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2327369A JP2988636B2 (ja) 1990-11-28 1990-11-28 光学等方性を有するポリアリレートフィルムおよびその製造方法

Publications (2)

Publication Number Publication Date
DE69128955D1 DE69128955D1 (de) 1998-04-02
DE69128955T2 true DE69128955T2 (de) 1998-06-18

Family

ID=18198372

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69128955T Expired - Fee Related DE69128955T2 (de) 1990-11-28 1991-11-27 Optisch-isotrope Polyarylatfolie und Verfahren zur Herstellung derselben

Country Status (6)

Country Link
US (1) US5275881A (de)
EP (1) EP0488221B1 (de)
JP (1) JP2988636B2 (de)
KR (1) KR100195773B1 (de)
DE (1) DE69128955T2 (de)
MY (1) MY107338A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5477360A (en) * 1993-04-23 1995-12-19 Kabushiki Kaisha Toshiba Liquid crystal display device
WO2004003062A1 (de) 2002-06-28 2004-01-08 Lofo High Tech Film Gmbh Membranen aus polyarylat-giessfolien
KR100955571B1 (ko) * 2007-01-05 2010-04-30 주식회사 엘지화학 트리아진 구조의 아미노 수지가 혼합된 폴리아릴레이트수지를 포함하는 광학필름용 수지 조성물 및 이를 이용하여제조된 광학필름
JP5484676B2 (ja) * 2007-10-19 2014-05-07 日東電工株式会社 コーティング液および光学フィルム

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5720718A (en) * 1980-07-11 1982-02-03 Toyobo Co Ltd Polarizing plate with transparent conductive layer
US4419399A (en) * 1981-07-06 1983-12-06 Toyo Boseki Kabushiki Kaisha Transparent conductive film
JP2553359B2 (ja) * 1987-08-27 1996-11-13 藤森工業株式会社 光テ−プ
US4942087A (en) * 1987-12-28 1990-07-17 Mitsui Petrochemical Industries, Ltd. Films of wholly aromatic polyester and processes for preparation thereof
JP2968531B2 (ja) * 1988-04-22 1999-10-25 鐘淵化学工業株式会社 複屈折性を有する透明フィルム及びその製造方法
CA2006662A1 (en) * 1988-12-27 1990-06-27 Kimishige Nakamura Optical film
DE68912929T2 (de) * 1989-04-26 1994-05-19 Fujimori Kogyo Co Flüssigkristallanzeigetafel mit optischem Phasenschiebersubstrat.
JPH0312429A (ja) * 1989-06-09 1991-01-21 Toyobo Co Ltd 全芳香族ポリエステルフィルム
JPH03221521A (ja) * 1990-01-26 1991-09-30 Toyobo Co Ltd 全芳香族ポリエステル、そのフィルムおよび成形品

Also Published As

Publication number Publication date
EP0488221B1 (de) 1998-02-25
JP2988636B2 (ja) 1999-12-13
DE69128955D1 (de) 1998-04-02
EP0488221A3 (en) 1993-01-13
US5275881A (en) 1994-01-04
KR920009893A (ko) 1992-06-25
JPH04193510A (ja) 1992-07-13
KR100195773B1 (ko) 1999-06-15
EP0488221A2 (de) 1992-06-03
MY107338A (en) 1995-11-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee