DE69722288D1 - Endgruppenmodifizierte Polycarbonate für digitale Bildplatten - Google Patents

Endgruppenmodifizierte Polycarbonate für digitale Bildplatten

Info

Publication number
DE69722288D1
DE69722288D1 DE69722288T DE69722288T DE69722288D1 DE 69722288 D1 DE69722288 D1 DE 69722288D1 DE 69722288 T DE69722288 T DE 69722288T DE 69722288 T DE69722288 T DE 69722288T DE 69722288 D1 DE69722288 D1 DE 69722288D1
Authority
DE
Germany
Prior art keywords
digital image
end group
group modified
image plates
modified polycarbonates
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 - Lifetime
Application number
DE69722288T
Other languages
English (en)
Other versions
DE69722288T2 (de
Inventor
Masaya Okamoto
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.)
Idemitsu Kosan Co Ltd
Original Assignee
Idemitsu Petrochemical 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
Application filed by Idemitsu Petrochemical Co Ltd filed Critical Idemitsu Petrochemical Co Ltd
Application granted granted Critical
Publication of DE69722288D1 publication Critical patent/DE69722288D1/de
Publication of DE69722288T2 publication Critical patent/DE69722288T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/04—Aromatic polycarbonates
    • C08G64/06—Aromatic polycarbonates not containing aliphatic unsaturation
    • C08G64/14—Aromatic polycarbonates not containing aliphatic unsaturation containing a chain-terminating or -crosslinking agent
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
    • G11B7/2533—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins
    • G11B7/2534—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising resins polycarbonates [PC]
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/256—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers improving adhesion between layers
    • 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]
    • Y10T428/31507—Of polycarbonate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
DE69722288T 1996-03-07 1997-03-04 Endgruppenmodifizierte Polycarbonate für digitale Bildplatten Expired - Lifetime DE69722288T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP5055796 1996-03-07
JP6955596 1996-03-26
JP32629796A JP3436466B2 (ja) 1996-03-07 1996-12-06 デジタルビデオディスク基板

Publications (2)

Publication Number Publication Date
DE69722288D1 true DE69722288D1 (de) 2003-07-03
DE69722288T2 DE69722288T2 (de) 2003-12-04

Family

ID=27294003

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69722288T Expired - Lifetime DE69722288T2 (de) 1996-03-07 1997-03-04 Endgruppenmodifizierte Polycarbonate für digitale Bildplatten

Country Status (4)

Country Link
US (1) US5783653A (de)
EP (1) EP0794209B1 (de)
JP (1) JP3436466B2 (de)
DE (1) DE69722288T2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0890944B1 (de) * 1996-03-28 2005-03-09 Idemitsu Kosan Co., Ltd. Substrat für digital video disk
TW412743B (en) * 1997-10-22 2000-11-21 Kuraray Co Method for manufacture eximer laser disk
KR20010024851A (ko) * 1998-01-13 2001-03-26 가즈토 도미나가 폴리카보네이트의 제조 방법 및 광학 디스크 기판
US6140457A (en) * 1999-02-26 2000-10-31 General Electric Company Static-resistant polycarbonates having DI-t-alkylphenyl end groups
JP2000268404A (ja) * 1999-03-12 2000-09-29 Idemitsu Petrochem Co Ltd デジタルバーサタイルディスク用基板およびその製造方法
US6436503B1 (en) 1999-09-08 2002-08-20 General Electric Company Data storage medium containing polyestercarbonate
DE19952849A1 (de) * 1999-11-03 2001-05-10 Bayer Ag Optische Datenträger und Verfahren zu ihrer Herstellung
JP2001192447A (ja) * 2000-01-12 2001-07-17 Teijin Chem Ltd 高精密転写性熱可塑性樹脂成形材料および該材料よりなる光ディスク基板
TW487811B (en) 2000-01-27 2002-05-21 Idemitsu Petrochemical Co Light guide plates and process for producing the same
TW583266B (en) * 2000-04-27 2004-04-11 Idemitsu Petrochemical Co Polycarbonate resin composition for optical disk substrate
US6600061B1 (en) 2000-11-15 2003-07-29 General Electric Company Method for the continuous production of aromatic carbonates
DE10128705A1 (de) * 2001-06-13 2002-12-19 Bayer Ag Polycarbonate, Polyestercarbonate und Polyester mit verzweigten Endgruppen
US20030078347A1 (en) 2001-08-28 2003-04-24 General Electric Company Triazine compounds, polymers comprising triazine structural units, and method
DE10219229A1 (de) * 2002-04-30 2003-11-13 Bayer Ag Polycarbonate, Polyestercarbonate und Polyester mit speziellen verzweigten Endgruppen
US7300742B2 (en) * 2002-08-23 2007-11-27 General Electric Company Data storage medium and method for the preparation thereof
US7132149B2 (en) * 2002-08-23 2006-11-07 General Electric Company Data storage medium and method for the preparation thereof
DE10248952A1 (de) * 2002-10-21 2004-04-29 Bayer Ag Polycarbonate, Polyestercarbonate und Polyester mit lateral-ständigen Cycloalkyl-substituierten Phenolen
US6916899B2 (en) * 2002-10-21 2005-07-12 Bayer Aktiengesellschaft Polycarbonates, polyester carbonates and polyesters having lateral, cycloalkyl-substituted phenols
JP2004310887A (ja) * 2003-04-04 2004-11-04 Toshiba Corp 光ディスクならびに光ディスク装置
JP4267363B2 (ja) * 2003-05-07 2009-05-27 旭化成ケミカルズ株式会社 光学情報基板用ポリカーボネート組成物
US7348113B2 (en) * 2003-09-10 2008-03-25 Ricoh Company, Ltd. Electrophotographic photoconductor comprising a polycarbonate resin having a dihydroxy diphenyl ether unit
JP2007238959A (ja) * 2007-06-08 2007-09-20 Idemitsu Kosan Co Ltd 光ディスク基板用芳香族ポリカーボネート樹脂組成物

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2842005A1 (de) * 1978-09-27 1980-04-10 Bayer Ag Polycarbonate mit alkylphenyl-endgruppen, ihre herstellung und ihre verwendung
JPS58126119A (ja) * 1982-01-22 1983-07-27 Mitsubishi Chem Ind Ltd 光学的特性のすぐれた成形物の製造法
US4631334A (en) * 1984-04-10 1986-12-23 Mitsubishi Gas Chemical Company, Inc. Optical articles of branched polycarbonate resin
JPH0662752B2 (ja) * 1984-08-24 1994-08-17 三菱化成株式会社 光情報材料
JPH0649750B2 (ja) * 1984-08-24 1994-06-29 三菱化成株式会社 ポリカーボネートより成る射出成形材料
DE3635825A1 (de) * 1986-10-22 1988-04-28 Bayer Ag Thermoplastische mischungen aus aromatischen polycarbonaten und polystyrolen und ihre verwendung als substrate fuer optische datenspeicher
US4902735A (en) * 1987-06-03 1990-02-20 Idemitsu Petrochemical Co., Ltd. High impact resistant polycarbonate and process for producing said polycarbonate
JPH0727662B2 (ja) * 1987-08-27 1995-03-29 出光石油化学株式会社 光ディスク基板
EP0335214B1 (de) * 1988-03-28 1993-12-08 Idemitsu Petrochemical Co. Ltd. Polycarbonat
US5959065A (en) * 1988-08-05 1999-09-28 General Electric Co. Composition and article
US4939230A (en) * 1988-11-16 1990-07-03 The Dow Chemical Company Elimination of monocarbonate from polycarbonate
CA2033894A1 (en) * 1991-01-10 1992-07-11 Martin B. Barancik Composition
DE4240313A1 (de) * 1992-12-01 1994-06-09 Bayer Ag Polycarbonate für optische Datenträger
DE69528394T2 (de) * 1994-07-08 2003-05-15 Teijin Chemicals Ltd., Tokio/Tokyo Substrat für optische Platte, optische Platte und aromatischer Polycarbonatharz

Also Published As

Publication number Publication date
DE69722288T2 (de) 2003-12-04
EP0794209A2 (de) 1997-09-10
US5783653A (en) 1998-07-21
JP3436466B2 (ja) 2003-08-11
JPH09320110A (ja) 1997-12-12
EP0794209A3 (de) 1998-11-25
EP0794209B1 (de) 2003-05-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: IDEMITSU KOSAN CO., LTD., TOKIO/TOKYO, JP