DE69814754D1 - Polycarbonatharz zur Herstellung eines Substrates für optisches Aufzeichnungsmedium - Google Patents

Polycarbonatharz zur Herstellung eines Substrates für optisches Aufzeichnungsmedium

Info

Publication number
DE69814754D1
DE69814754D1 DE69814754T DE69814754T DE69814754D1 DE 69814754 D1 DE69814754 D1 DE 69814754D1 DE 69814754 T DE69814754 T DE 69814754T DE 69814754 T DE69814754 T DE 69814754T DE 69814754 D1 DE69814754 D1 DE 69814754D1
Authority
DE
Germany
Prior art keywords
producing
substrate
recording medium
optical recording
polycarbonate resin
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
DE69814754T
Other languages
English (en)
Other versions
DE69814754T2 (de
Inventor
Masaaki Miyamoto
Motonori Ueda
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.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Chemical 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 Mitsubishi Chemical Corp filed Critical Mitsubishi Chemical Corp
Publication of DE69814754D1 publication Critical patent/DE69814754D1/de
Application granted granted Critical
Publication of DE69814754T2 publication Critical patent/DE69814754T2/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
    • C08G64/20—General preparatory processes
    • C08G64/22—General preparatory processes using carbonyl halides
    • C08G64/24—General preparatory processes using carbonyl halides and phenols
    • 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
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers
    • G11B7/2433—Metals or elements of Groups 13, 14, 15 or 16 of the Periodic Table, e.g. B, Si, Ge, As, Sb, Bi, Se or Te

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)
DE69814754T 1997-07-29 1998-07-29 Polycarbonatharz zur Herstellung eines Substrates für optisches Aufzeichnungsmedium Expired - Lifetime DE69814754T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP20294897 1997-07-29
JP20294897 1997-07-29

Publications (2)

Publication Number Publication Date
DE69814754D1 true DE69814754D1 (de) 2003-06-26
DE69814754T2 DE69814754T2 (de) 2004-02-26

Family

ID=16465823

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69814754T Expired - Lifetime DE69814754T2 (de) 1997-07-29 1998-07-29 Polycarbonatharz zur Herstellung eines Substrates für optisches Aufzeichnungsmedium

Country Status (3)

Country Link
US (1) US6166167A (de)
EP (1) EP0894816B1 (de)
DE (1) DE69814754T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3588558B2 (ja) * 1998-08-18 2004-11-10 帝人化成株式会社 光学用ポリカーボネート樹脂成形材料および光ディスク基板
US6316580B1 (en) * 1999-03-02 2001-11-13 Mitsubishi Chemical Corporation Polycarbonate resin
JP4080710B2 (ja) * 2000-09-26 2008-04-23 三菱化学株式会社 芳香族ポリカーボネートの製造方法
DE60210754T2 (de) * 2001-02-06 2007-03-29 Mitsubishi Chemical Corp. Verzweigtes aromatisches polycarbonat und verfahren zu seiner herstellung
US6875491B2 (en) * 2001-10-22 2005-04-05 Mitsubishi Chemical Corporation Polycarbonate composition, write once read many optical disc substrate and write once read many optical disc using same and process for production of write once read many optical disc
ATE462745T1 (de) * 2002-04-22 2010-04-15 Mitsubishi Chem Corp Aromatsiche polycarbonatzusammensetzung und hohlbehälter daraus
CN100447178C (zh) * 2003-07-23 2008-12-31 陶氏环球技术公司 制备支化聚碳酸酯的方法
CN104136489B (zh) * 2012-02-28 2016-08-24 沙特基础全球技术有限公司 制备具有增强的光学特性的聚碳酸酯的方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2528838B2 (ja) * 1986-10-14 1996-08-28 ソニー株式会社 光学式情報記録媒体
JPS63278929A (ja) * 1987-05-12 1988-11-16 Teijin Chem Ltd 光学用成形品の製造方法
JPS646020A (en) * 1987-06-30 1989-01-10 Idemitsu Petrochemical Co Production of polycarbonate for disk base
US4880896A (en) * 1987-05-30 1989-11-14 Idemitsu Petrochemical Co., Ltd. Polycarbonate for disc substrate having low bisphenol content
JPH0623243B2 (ja) * 1988-04-29 1994-03-30 出光石油化学株式会社 ポリカーボネートの製造方法
US4939230A (en) * 1988-11-16 1990-07-03 The Dow Chemical Company Elimination of monocarbonate from polycarbonate
JP3276987B2 (ja) * 1992-07-07 2002-04-22 三菱レイヨン株式会社 中空糸膜モジュール
US5426170A (en) * 1992-12-02 1995-06-20 Mitsui Toatsu Chemicals, Inc. Method for preparing an aromatic polycarbonate
JP3298726B2 (ja) * 1992-12-02 2002-07-08 三井化学株式会社 芳香族ポリカーボネートおよびその製造方法
JP3445062B2 (ja) * 1995-05-29 2003-09-08 三菱化学株式会社 ポリカーボネートの製造方法
DE69728842T2 (de) * 1996-12-09 2005-04-21 Mitsubishi Chem Corp Verfahren zur Herstellung eines Polycarbonats mit geringem Anteil flüchtigem Chlor

Also Published As

Publication number Publication date
EP0894816A1 (de) 1999-02-03
US6166167A (en) 2000-12-26
EP0894816B1 (de) 2003-05-21
DE69814754T2 (de) 2004-02-26

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Legal Events

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