ES2066329T3 - Poliesteres cristalinos liquidos para almacenamiento de datos opticos. - Google Patents

Poliesteres cristalinos liquidos para almacenamiento de datos opticos.

Info

Publication number
ES2066329T3
ES2066329T3 ES91200365T ES91200365T ES2066329T3 ES 2066329 T3 ES2066329 T3 ES 2066329T3 ES 91200365 T ES91200365 T ES 91200365T ES 91200365 T ES91200365 T ES 91200365T ES 2066329 T3 ES2066329 T3 ES 2066329T3
Authority
ES
Spain
Prior art keywords
optical data
liquid crystal
storage
polyesters
crystal polyesters
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
ES91200365T
Other languages
English (en)
Inventor
George William Prof Gray
Andrew Martin Dr Mcroberts
Raymond Dr Denman
Richard Michael Dr Scrowston
David Dr Lacey
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.)
Akzo Nobel NV
Original Assignee
Akzo Nobel NV
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 Akzo Nobel NV filed Critical Akzo Nobel NV
Application granted granted Critical
Publication of ES2066329T3 publication Critical patent/ES2066329T3/es
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
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
    • C08G63/682—Polyesters containing atoms other than carbon, hydrogen and oxygen containing halogens
    • C08G63/6824—Polyesters containing atoms other than carbon, hydrogen and oxygen containing halogens derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/6826—Dicarboxylic acids and dihydroxy compounds
    • 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
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/16—Dicarboxylic acids and dihydroxy compounds
    • 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
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
    • C08G63/685—Polyesters containing atoms other than carbon, hydrogen and oxygen containing nitrogen
    • C08G63/6854—Polyesters containing atoms other than carbon, hydrogen and oxygen containing nitrogen derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/6856—Dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/38—Polymers
    • C09K19/3833—Polymers with mesogenic groups in the side chain
    • C09K19/3838—Polyesters; Polyester derivatives
    • 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
    • G11B7/244—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 organic materials only
    • G11B7/25—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 organic materials only containing liquid crystals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Liquid Crystal Substances (AREA)
  • Liquid Crystal (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)

Abstract

LA INVENCION COMPRENDE POLIESTERES CRISTALINOS LIQUIDOS IDONEOS PARA UTILIZACION COMO MEDIO PARA ALMACENAR DATOS OPTICOS, ESPECIALMENTE ALMACENAR DATOS OPTICOS REVERSIBLES (BORRABLES). LOS POLIESTERES ESTAN BASADOS EN UN ACIDO DICARBOXILICO ALIFATICO O EN UN DERIVADO DEL MISMO Y DE UN DIOL PROPANO QUE EN C2 LLEVA UN SUSTITUYENTE MESOGENICO QUE COMPRENDE DOS ANILLOS, BIEN ALICICLICOS O AROMATICOS. TAMBIEN EL ACIDO CARBOXILICO O SU DERIVADO SE SUSTITUYEN MESOGENICAMENTE. LA INVENCION COMPRENDE TAMBIEN UN MEDIO PARA ALMACENAR DATOS OPTICOS QUE CONTIENE POLIESTERES DEL TIPO ANTES MENCIONADO.
ES91200365T 1990-03-01 1991-02-20 Poliesteres cristalinos liquidos para almacenamiento de datos opticos. Expired - Lifetime ES2066329T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP90302182 1990-03-01

Publications (1)

Publication Number Publication Date
ES2066329T3 true ES2066329T3 (es) 1995-03-01

Family

ID=8205310

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91200365T Expired - Lifetime ES2066329T3 (es) 1990-03-01 1991-02-20 Poliesteres cristalinos liquidos para almacenamiento de datos opticos.

Country Status (9)

Country Link
US (1) US5262081A (es)
EP (1) EP0444740B1 (es)
JP (1) JPH05202174A (es)
AT (1) ATE115174T1 (es)
CA (1) CA2037369A1 (es)
DE (1) DE69105550T2 (es)
DK (1) DK0444740T3 (es)
ES (1) ES2066329T3 (es)
GR (1) GR3015292T3 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0550105A3 (en) * 1991-12-30 1993-11-18 Akzo Nv Liquid-crystalline polyurethanes, compositions of said liquid-crystalline polyurethanes, and a device for optical data storage comprising a liquid-crystalline polyurethane
US5480749A (en) * 1994-09-27 1996-01-02 Green; Mark M. Reversible chiral optical data storage using majority rule of polymer conformation
GB9526485D0 (en) * 1995-12-22 1996-02-21 Secr Defence Liquid crystal polymers
EP0900239B1 (de) * 1996-05-22 2002-03-27 Bayer Ag Schnell fotoadressierbare substrate sowie fotoadressierbare seitengruppenpolymere mit hoher induzierbarer doppelbrechung
JP4649821B2 (ja) * 2002-06-07 2011-03-16 富士ゼロックス株式会社 ポリエステル、光記録媒体、及び光記録再生装置
JP2004310999A (ja) * 2003-03-24 2004-11-04 Fuji Xerox Co Ltd 光記録媒体と光記録媒体の製造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3431133A1 (de) * 1984-08-24 1986-03-06 Basf Ag, 6700 Ludwigshafen Mesogene gruppen enthaltende polymere und deren verwendung
DE3603266A1 (de) * 1986-02-04 1987-08-06 Roehm Gmbh Vorrichtung zur reversibeln, optischen datenspeicherung (ii)
DE3603268A1 (de) * 1986-02-04 1987-09-24 Roehm Gmbh Verfahren zur reversiblen, optischen datenspeicherung (iii)
DE3603267A1 (de) * 1986-02-04 1987-08-06 Roehm Gmbh Vorrichtung zur reversiblen, optischen datenspeicherung (i)
DE3622613A1 (de) * 1986-07-05 1988-01-14 Bayer Ag Verfahren zur herstellung von polymeren netzwerken mit ueberstrukturen, entsprechende polymere netzwerke und ihre verwendung
DE3623395A1 (de) * 1986-07-11 1988-01-21 Roehm Gmbh Vorrichtung zur reversiblen, optischen datenspeicherung unter verwendung von polymeren fluessigkristallen
DE3778458D1 (de) * 1986-09-04 1992-05-27 Idemitsu Kosan Co Fluessigkristallpolymere.
EP0274128B1 (en) * 1986-12-29 1999-03-31 Idemitsu Kosan Company Limited Liquid-crystalline polymer
JPH0778218B2 (ja) * 1987-06-29 1995-08-23 出光興産株式会社 液晶ポリマ−組成物
US5001209A (en) * 1988-07-04 1991-03-19 Akzo N.V. Non-linear optical active diols and polyurethanes prepared therefrom

Also Published As

Publication number Publication date
DK0444740T3 (da) 1995-05-01
DE69105550D1 (de) 1995-01-19
JPH05202174A (ja) 1993-08-10
DE69105550T2 (de) 1995-06-22
ATE115174T1 (de) 1994-12-15
GR3015292T3 (en) 1995-06-30
CA2037369A1 (en) 1991-09-02
EP0444740A1 (en) 1991-09-04
US5262081A (en) 1993-11-16
EP0444740B1 (en) 1994-12-07

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