KR880014529A - 디스크 기판용 폴리카보네이트 - Google Patents

디스크 기판용 폴리카보네이트 Download PDF

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KR880014529A
KR880014529A KR1019880006371A KR880006371A KR880014529A KR 880014529 A KR880014529 A KR 880014529A KR 1019880006371 A KR1019880006371 A KR 1019880006371A KR 880006371 A KR880006371 A KR 880006371A KR 880014529 A KR880014529 A KR 880014529A
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polycarbonate
less
content
ppm
producing
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KR1019880006371A
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KR950000069B1 (ko
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카즈나리 오쓰보
모또노부 에조에
히데오 아고오
코지 야마모또
Original Assignee
홍고오 무쓰비
이데미쓰 세끼유 가가꾸 가부시끼가이샤
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Priority claimed from JP62150101A external-priority patent/JPH07108938B2/ja
Priority claimed from JP62161325A external-priority patent/JPS646020A/ja
Priority claimed from JP62284232A external-priority patent/JPS6456729A/ja
Application filed by 홍고오 무쓰비, 이데미쓰 세끼유 가가꾸 가부시끼가이샤 filed Critical 홍고오 무쓰비
Publication of KR880014529A publication Critical patent/KR880014529A/ko
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Publication of KR950000069B1 publication Critical patent/KR950000069B1/ko

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    • 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
    • G11B7/253—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
    • 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
    • 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
    • C08G64/40—Post-polymerisation treatment

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  • 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)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

내용 없음

Description

디스크 기판용 폴리카보네이트
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (16)

  1. 저분자량 중합체의 함량이 3중량% 이하, 미반응 비스페놀류의 함량이 20ppm이하, 염화메틸렌의 함량이 20ppm이하인 것을 특징으로 하는 디스크 기판용 폴리카보네이트.
  2. 제1항에 있어서, 저분자량 중하체의 함량이 2중량% 이하, 미반응 비스페놀류의 함량이 10ppm 이하, 염화메틸렌의 함량이 15ppm 이하인 디스크 기판용 폴리카보네이트.
  3. 불순물을 함유하는 분말상의 폴리카보네이트를 케톤류를 사용하여 40℃ 이상∼케톤의 비등점 이하의 온도에서 추출 처리하는 것으로 이루어지는, 저분자량 중합체의 함량이 3중량% 이하, 미반응 비스페놀류의 함량이 20ppm 이하, 염화메틸렌의 함량이 20ppm 이하인 디스크 기판용 폴리카보네이트의 제조방법.
  4. 제3항에 있어서, 추출 처리하여 얻어진 폴리카보네이트가, 저분자량 중합체의 함량이 2량중% 이하, 미반응 비스페놀류의 함량이 10ppm 이하, 염화메틸렌의 함량이 15ppm 이하인 디스크 기판용 폴리카보네이트의 제조방법.
  5. 제3항에 있어서, 케톤류가 아세톤 또는 메틸에틸케톤인 디스크 기판용 폴리카보네이트의 제조방법.
  6. 제3항에 있어서, 불순물을 함유하는 분말상의 폴리카보네이가, 비스페놀 화합물과 포스겐을 원료로 하고, 염화메틸렌을 용매로 하는 연속 계면 중축합에 의하여 얻어지는 것인 디스크 기판용 폴리카보네이트의 제조방법.
  7. 제3항에 있어서, 불순물 함유 분말상 폴리카보네이트가, 저분자량 중합체의 함량이 4-8중량%, 미반응 비스페놀류의 함량이 70-150ppm, 염화메틸렌의 함량이 50-150ppm인 디스크 기판용 폴리카보네이트의 제조방법.
  8. 고체액체 접촉영역 및 고체액체 분리 메카니즘, 그리고 건조 메카니즘을 갖고 있는 처리 용기내에, 불순물을 함유하는 분말상의 폴리카보네이트와 유기용매를 넣고, 상기의 처리용기 내에서 상기의 불순물을 함유하는 분말상의 폴리카보네이트와 유기용매를 서로 접촉시킨 다음, 상기의 처리된 분말상의 폴리카보네이트를 유기용매로부터 분리하고, 그 다음, 얻어진 분말상의 폴리카보네이트를 건조시키는 것으로 이루어지는, 저분자량 중합체의 함량이 3중량% 이하, 미반응 미스페놀류의 함량이 20ppm 이하, 염화메틸렌의 함량이 20ppm 이하인 디스크 기판용 폴리카보네이트의 제조방법.
  9. 제8항에 있어서, 얻어진 폴리카보네이트가, 저분자량 중합체의 함량이 2중량% 이하, 미반응 비스페놀류의 함량이 10ppm 이하, 염화메틸렌의 함량이 15ppm 이하인 디스크 기판용 폴리카보네이트의 제조방법.
  10. 제8항에 있어서, 고체액체 분리 메카니즘이 여과판인 디스크 기판용 폴리카보네이트의 제조방법.
  11. 제10항에 있어서, 여과판이 처리용기의 바닥 부근에 설치된 디스크 기판용 폴리카보네이트의 제조방법.
  12. 제8항에 있어서, 건조 메카니즘이 유기용매로부터 분리된 분말상의 폴리카보네이트를 가열하는 수단인 디스크 기판용 폴리카보네이트의 제조방법.
  13. 제8항에 있어서, 불순물을 함유하는 분말상의 폴리카보네이트와 유기용매를 교반수단에 의하여 교반하여 서로를 접촉시켜서, 불순물을 유기용매중으로 추출하는 디스크 기판용 포리카보네이트의 제조방법.
  14. 제8항에 있어서, 유기용매가 아세톤과 메틸에틸케톤으로부터 선택되는 케톤류인 디스크 기판용 폴리카보네이트의 제조방법.
  15. 저분자량 중합체의 함량이 3중량% 이하, 미반응 비스페놀의 함량이 20ppm 이하, 염화메틸렌의 함량이 20ppm 이하인 폴리카보네이트로 제조된 디스크 기판.
  16. 제15항에 있어서, 저분자량 중합체의 함량이 2중량% 이하, 미반응 비스페놀류의 함량이 10ppm 이하, 염화메틸렌의 함량이 15ppm 이하인 폴리카보네이트로 제조된 디스크 기판.
    ※ 참고사항:최초출원 내용에 의하여 공개하는 것임.
KR1019880006371A 1987-05-30 1988-05-30 디스크 기판용 폴리카보네이트 KR950000069B1 (ko)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP133524/1987 1987-05-30
JP13352487 1987-05-30
JP150101/1987 1987-06-18
JP62150101A JPH07108938B2 (ja) 1987-06-18 1987-06-18 ポリカーボネートを素材とするディスク基板
JP161325/1987 1987-06-30
JP62161325A JPS646020A (en) 1987-06-30 1987-06-30 Production of polycarbonate for disk base
JP284232/1987 1987-11-12
JP62284232A JPS6456729A (en) 1987-05-30 1987-11-12 Production of polycarbonate for disk base

Publications (2)

Publication Number Publication Date
KR880014529A true KR880014529A (ko) 1988-12-24
KR950000069B1 KR950000069B1 (ko) 1995-01-09

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ID=27471765

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KR1019880006371A KR950000069B1 (ko) 1987-05-30 1988-05-30 디스크 기판용 폴리카보네이트

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US (1) US4880896A (ko)
EP (1) EP0293769B1 (ko)
KR (1) KR950000069B1 (ko)
DE (1) DE3855023T2 (ko)

Families Citing this family (25)

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JPH04249201A (ja) * 1991-02-05 1992-09-04 Teijin Chem Ltd レンズ
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JPWO2002031024A1 (ja) * 2000-10-12 2004-02-19 帝人株式会社 ポリカーボネートおよび光ディスク用基板
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KR102317927B1 (ko) * 2014-02-28 2021-10-26 이데미쓰 고산 가부시키가이샤 폴리카보네이트 수지 및 폴리카보네이트 수지 조성물

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Also Published As

Publication number Publication date
EP0293769A2 (en) 1988-12-07
US4880896A (en) 1989-11-14
EP0293769A3 (en) 1990-02-07
EP0293769B1 (en) 1996-02-28
DE3855023T2 (de) 1996-07-18
DE3855023D1 (de) 1996-04-04
KR950000069B1 (ko) 1995-01-09

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