GB2249795B - Liquid crystal materials - Google Patents

Liquid crystal materials

Info

Publication number
GB2249795B
GB2249795B GB9127366A GB9127366A GB2249795B GB 2249795 B GB2249795 B GB 2249795B GB 9127366 A GB9127366 A GB 9127366A GB 9127366 A GB9127366 A GB 9127366A GB 2249795 B GB2249795 B GB 2249795B
Authority
GB
United Kingdom
Prior art keywords
liquid crystal
crystal materials
materials
liquid
crystal
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 - Fee Related
Application number
GB9127366A
Other versions
GB9127366D0 (en
GB2249795A (en
Inventor
Ciaran Bernard Mcardle
Gary Nestor
George William Gray
David 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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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
Priority claimed from GB8819165A external-priority patent/GB2221690B/en
Application filed by General Electric Co PLC filed Critical General Electric Co PLC
Priority to GB9127366A priority Critical patent/GB2249795B/en
Publication of GB9127366D0 publication Critical patent/GB9127366D0/en
Publication of GB2249795A publication Critical patent/GB2249795A/en
Application granted granted Critical
Publication of GB2249795B publication Critical patent/GB2249795B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/38—Polysiloxanes modified by chemical after-treatment
    • 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
    • C09K19/40—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen or sulfur, e.g. silicon, metals
    • C09K19/406—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen or sulfur, e.g. silicon, metals containing silicon
    • C09K19/408—Polysiloxanes
    • 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)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Liquid Crystal Substances (AREA)
GB9127366A 1988-08-12 1991-12-24 Liquid crystal materials Expired - Fee Related GB2249795B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9127366A GB2249795B (en) 1988-08-12 1991-12-24 Liquid crystal materials

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8819165A GB2221690B (en) 1988-08-12 1988-08-12 Liquid crystal materials
GB9127366A GB2249795B (en) 1988-08-12 1991-12-24 Liquid crystal materials

Publications (3)

Publication Number Publication Date
GB9127366D0 GB9127366D0 (en) 1992-02-19
GB2249795A GB2249795A (en) 1992-05-20
GB2249795B true GB2249795B (en) 1993-01-20

Family

ID=26294269

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9127366A Expired - Fee Related GB2249795B (en) 1988-08-12 1991-12-24 Liquid crystal materials

Country Status (1)

Country Link
GB (1) GB2249795B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9302782D0 (en) * 1993-02-12 1993-03-31 Marconi Gec Ltd Gas sensing devices

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2146787A (en) * 1983-09-14 1985-04-24 Univ Manchester A liquid crystal information storage device
EP0230898A2 (en) * 1986-01-24 1987-08-05 Celanese Corporation Polyvinyl polymers exhibiting nonlinear optical response
EP0260786A2 (en) * 1986-06-25 1988-03-23 THE GENERAL ELECTRIC COMPANY, p.l.c. Liquid crystal polymers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2146787A (en) * 1983-09-14 1985-04-24 Univ Manchester A liquid crystal information storage device
EP0230898A2 (en) * 1986-01-24 1987-08-05 Celanese Corporation Polyvinyl polymers exhibiting nonlinear optical response
EP0260786A2 (en) * 1986-06-25 1988-03-23 THE GENERAL ELECTRIC COMPANY, p.l.c. Liquid crystal polymers

Also Published As

Publication number Publication date
GB9127366D0 (en) 1992-02-19
GB2249795A (en) 1992-05-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19950812