MX170348B - Substrato para medios de grabacion optica y composicion de moldeo para ello - Google Patents

Substrato para medios de grabacion optica y composicion de moldeo para ello

Info

Publication number
MX170348B
MX170348B MX019316A MX1931690A MX170348B MX 170348 B MX170348 B MX 170348B MX 019316 A MX019316 A MX 019316A MX 1931690 A MX1931690 A MX 1931690A MX 170348 B MX170348 B MX 170348B
Authority
MX
Mexico
Prior art keywords
molding composition
substrate
optical recording
recording media
melt flow
Prior art date
Application number
MX019316A
Other languages
English (en)
Inventor
Dennis C Shen
Linwood P Tenney
Original Assignee
Goodrich Co B F
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 Goodrich Co B F filed Critical Goodrich Co B F
Publication of MX170348B publication Critical patent/MX170348B/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F32/00—Homopolymers and copolymers of cyclic compounds having no unsaturated aliphatic radicals in a side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic ring system
    • 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
    • G11B7/2538—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 polycycloolefins [PCO]
    • 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
    • C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
    • C08G61/02—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes
    • C08G61/04—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms
    • C08G61/06—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms prepared by ring-opening of carbocyclic compounds
    • C08G61/08—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aliphatic carbon atoms prepared by ring-opening of carbocyclic compounds of carbocyclic compounds containing one or more carbon-to-carbon double bonds in the ring
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

La presente invención se refiere a un procedimiento para formar una composición de moldeo ópticamente clara que comprende las etapas de (a) polimerizar un monomero cicloolefinico o una mezcla del mismo en la presencia de un catalizador efectivo para promover la polimerización de anillo abierto y producir un polímero policicloolefínico; y (b) hidrogenar el producto polímero resultante para proveer un polímero que tenga un peso molecular promedio de aproximadamente 35 - 50 x 3(10) y un índice de flujo fundido de entre aproximadamente 40 a aproxmadamente 40 a aproximadamente 65 g/10 min., como se determina en un Sistema de indice de flujo fundido tinus olson a 300ºC, con una carga de 1.2 kgs.
MX019316A 1989-03-31 1990-01-30 Substrato para medios de grabacion optica y composicion de moldeo para ello MX170348B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/331,310 US5115041A (en) 1989-03-31 1989-03-31 Substrate for optical recording media and molding composition therefor

Publications (1)

Publication Number Publication Date
MX170348B true MX170348B (es) 1993-08-17

Family

ID=23293424

Family Applications (1)

Application Number Title Priority Date Filing Date
MX019316A MX170348B (es) 1989-03-31 1990-01-30 Substrato para medios de grabacion optica y composicion de moldeo para ello

Country Status (9)

Country Link
US (2) US5115041A (es)
EP (1) EP0395885A3 (es)
JP (1) JPH02286712A (es)
KR (1) KR900014437A (es)
CN (1) CN1026006C (es)
BR (1) BR9001488A (es)
CA (1) CA2008779A1 (es)
MX (1) MX170348B (es)
NO (1) NO900254L (es)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5439992A (en) * 1989-03-31 1995-08-08 The B. F. Goodrich Company Continuous process for making melt-processable optical grade ring-opened polycyclic (co)polymers in a single-stage multi-zoned reactor
JPH0830106B2 (ja) * 1989-06-24 1996-03-27 日本ゼオン株式会社 成形用材料
JP2977274B2 (ja) * 1989-12-26 1999-11-15 日本ゼオン株式会社 成形用材料および成形品
JPH04218557A (ja) * 1990-04-13 1992-08-10 Nippon Zeon Co Ltd 熱可塑性飽和ノルボルネン系ポリマー成形品
JP3060532B2 (ja) * 1990-11-30 2000-07-10 ジェイエスアール株式会社 開環重合体水素化物の製造方法
NL9100366A (nl) * 1991-02-28 1992-09-16 Philips & Du Pont Optical Werkwijze voor het vervaardigen van een schijfvormige informatiedrager, informatiedrager vervaardigd volgens de werkwijze en inrichting voor het uitvoeren van de werkwijze.
US5462995A (en) * 1991-06-11 1995-10-31 Nippon Zeon Co., Ltd. Hydrogenated products of thermoplastic norbornene polymers, their production, substrates for optical elements obtained by molding them, optical elements and lenses
DE4233851A1 (de) * 1992-10-08 1994-04-14 Hoechst Ag Substrat aus zumindest einem Cycloolefin-Copolymer für Aufzeichnungsmedien und Verfahren zu seiner Herstellung
CA2171584A1 (en) * 1995-04-11 1996-10-12 James P. Mason Compositions having low birefringence
TW543034B (en) * 1998-08-05 2003-07-21 Matsushita Electric Industrial Co Ltd Production process and apparatus of optical disk and production process of substrate
US6030680A (en) * 1998-09-04 2000-02-29 The Dow Chemical Company Adhesion of amorphous saturated hydrocarbon thermoplastic substrates
JP3833916B2 (ja) * 2000-10-02 2006-10-18 積水化学工業株式会社 溶融成形可能な熱可塑性ノルボルネン系樹脂組成物及びそれを用いた成形品又は光学フィルム
JP4178810B2 (ja) * 2001-12-25 2008-11-12 Ｊｓｒ株式会社 熱可塑性ノルボルネン系樹脂系光学用フィルム
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
JP4774195B2 (ja) * 2003-04-28 2011-09-14 トミー株式会社 歯科用部材および歯科用部材の表面改質処理方法
JP5369672B2 (ja) * 2008-01-31 2013-12-18 Ｊｓｒ株式会社 成形体の製造方法および光学射出成形体
EP3202812B1 (en) * 2014-09-29 2021-01-20 Zeon Corporation Cyclic olefin ring-opened polymer hydride, resin molded article, and optical member
EP3853267B1 (en) 2018-09-20 2025-03-05 ExxonMobil Chemical Patents Inc. Cycloolefins polymerization process with metathesis catalyst

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1535460A (fr) * 1967-01-12 1968-08-09 Charbonnages De France Plastomères dérivés du diméthanooctahydronaphtalène et leur procédé de fabrication
US4178424A (en) * 1977-12-05 1979-12-11 The Bf Goodrich Company Cycloolefin copolymers
US4136249A (en) * 1977-12-05 1979-01-23 The B. F. Goodrich Company Ring-opened copolymers of dihydrodiclopentadiene, norbornene or alkylnorbornene, and acyclic olefin
US4136247A (en) * 1977-12-05 1979-01-23 The B. F. Goodrich Company Ring-opened iso-propylnorbornene copolymers
US4136248A (en) * 1977-12-05 1979-01-23 The B. F. Goodrich Company Ring-opened alkylnorbornene copolymers
JPS6036564B2 (ja) * 1981-09-10 1985-08-21 日本電信電話株式会社 海底光フアイバケ−ブルの接続部とその使用方法
JPS6026024A (ja) * 1983-07-21 1985-02-08 Nippon Zeon Co Ltd 光学材料
WO1989001953A1 (fr) * 1987-09-01 1989-03-09 Nippon Zeon Co., Ltd. Polymeres a ouverture d'anneau et procede pour leur production
EP0409291B1 (en) * 1987-11-17 1996-02-14 Japan Synthetic Rubber Co., Ltd. Thermoplastic resin composition
EP0395764A4 (en) * 1987-12-25 1991-05-15 Nippon Zeon Co., Ltd. Hydrogenated derivative of ring-opening copolymer and process for its production
US5580934A (en) * 1987-12-28 1996-12-03 Nippon Zeon Co., Ltd. Ring-opening hydrogenated copolymer and process for producing the same

Also Published As

Publication number Publication date
EP0395885A2 (en) 1990-11-07
KR900014437A (ko) 1990-10-23
BR9001488A (pt) 1991-04-16
US5115041A (en) 1992-05-19
CN1026006C (zh) 1994-09-28
CA2008779A1 (en) 1990-09-30
NO900254D0 (no) 1990-01-18
US5319034A (en) 1994-06-07
JPH02286712A (ja) 1990-11-26
NO900254L (no) 1990-10-01
CN1047097A (zh) 1990-11-21
EP0395885A3 (en) 1991-04-24

Similar Documents

Publication Publication Date Title
MX170348B (es) Substrato para medios de grabacion optica y composicion de moldeo para ello
RU94026097A (ru) Усовершенствованный способ создания формованных изделий из гидрогеля, включая контактные линзы, и способ определения эффективности композиции
DK592289A (da) Fremgangsmaade til fremstilling af formede hydrogelgenstande, herunder kontaktlinser
MX174438B (es) Polimeros mejorados que contienen silicona y procedimiento para su manufactura
RU94028652A (ru) Фотосшитые полимеры
DE69424283D1 (de) Zusammensetzung für okulare linsen und verfahren zu deren herstellung
CA2255590A1 (en) Cyclic olefin polymer blends exhibiting improved impact resistance and good transparency
Zhu et al. Directly photopatterning of polycaprolactone-derived photocured resin by UV-initiated thiol-ene “click” reaction: Enhanced mechanical property and excellent biocompatibility
KR890008184A (ko) 광학재료
CA2019212A1 (en) Molding material
JPS58201838A (ja) ポリアクリレ−ト樹脂とシロキサン共重合体との混合物
EP0989417A4 (en) SHAPED MATERIAL FOR PLASTIC LENSES
DE69127046D1 (de) Ölabstossende Polymerzusammensetzungen und ihre Verwendung zur Herstellung von geformten Körpern, die mit hoher Lösungsmittelstabilität und geringer Verschmutzungsneigung ausgestattet sind
AU6312390A (en) Process for producing styrene polymers
JPH05117334A (ja) マレイミド系共重合体及びそれからなる光学材料
EP0463612B1 (en) Optical material
US4956432A (en) Hydrophilic transparent crosslinked copolymer and the method for producing thereof
US3794625A (en) Transparent polyamides from caprolactam and a mixture of a methyldiamino cyclohexane and a dibasicorganic acid
WO2007088941A1 (ja) 重合体組成物
JP3133197B2 (ja) 透明光学樹脂成形品の製造法
MY134111A (en) Temporarily crosslinked polyester polymers
JP3265506B2 (ja) 光学材料
WO2001036539A8 (en) Thermoplastic resin composition containing thermoplastic polymer containing alicyclic group and molded object
US4780514A (en) Copolymers of poly(vinyl trifluoroacetate) or poly(vinyl alcohol)
DE602004009939D1 (de) Copolymere von isobutylenartigen monomeren mit veretherten carbaminsäureestergruppen und deren verwendung in vernetzbaren zusammensetzungen