ATE181T1 - LIQUID CRYSTALLINE CARBONIC ACID ESTERS, PROCESS FOR THEIR PRODUCTION, DIELECTRICS CONTAINING THEM AND ELECTROOPTIC DISPLAY ELEMENT. - Google Patents

LIQUID CRYSTALLINE CARBONIC ACID ESTERS, PROCESS FOR THEIR PRODUCTION, DIELECTRICS CONTAINING THEM AND ELECTROOPTIC DISPLAY ELEMENT.

Info

Publication number
ATE181T1
ATE181T1 AT79104356T AT79104356T ATE181T1 AT E181 T1 ATE181 T1 AT E181T1 AT 79104356 T AT79104356 T AT 79104356T AT 79104356 T AT79104356 T AT 79104356T AT E181 T1 ATE181 T1 AT E181T1
Authority
AT
Austria
Prior art keywords
liquid crystalline
acid esters
production
display element
carbonic acid
Prior art date
Application number
AT79104356T
Other languages
German (de)
Inventor
Rudolf Dr. Eidenschink
Joachim Dr. Krause
Ludwig Dr. Pohl
Original Assignee
Merck Patent Gesellschaft Mit Beschraenkter Haftung
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 Merck Patent Gesellschaft Mit Beschraenkter Haftung filed Critical Merck Patent Gesellschaft Mit Beschraenkter Haftung
Application granted granted Critical
Publication of ATE181T1 publication Critical patent/ATE181T1/en

Links

Classifications

    • 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
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/30—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings
    • C09K19/3001—Cyclohexane rings
    • C09K19/3066—Cyclohexane rings in which the rings are linked by a chain containing carbon and oxygen atoms, e.g. esters or ethers
    • C09K19/3068—Cyclohexane rings in which the rings are linked by a chain containing carbon and oxygen atoms, e.g. esters or ethers chain containing -COO- or -OCO- groups
    • 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
    • C09K19/06—Non-steroidal liquid crystal compounds
    • C09K19/08—Non-steroidal liquid crystal compounds containing at least two non-condensed rings
    • C09K19/10—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings
    • C09K19/20—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters or ethers
    • C09K19/2007—Non-steroidal liquid crystal compounds containing at least two non-condensed rings containing at least two benzene rings linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters or ethers the chain containing -COO- or -OCO- groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Liquid Crystal Substances (AREA)

Abstract

Carboxylic acid esters of the formula <IMAGE> in which one of A or B is 1,4-disubstituted phenyl and the other is trans-1,4-disubstituted cyclohexane and R1 and R2 are independently each alkyl of 1-10 carbon atoms have liquid crystalline properties and are valuable components of liquid crystalline dielectrics.
AT79104356T 1978-12-13 1979-11-07 LIQUID CRYSTALLINE CARBONIC ACID ESTERS, PROCESS FOR THEIR PRODUCTION, DIELECTRICS CONTAINING THEM AND ELECTROOPTIC DISPLAY ELEMENT. ATE181T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19782853728 DE2853728A1 (en) 1978-12-13 1978-12-13 LIQUID CRYSTALLINE CARBONIC ACID ESTER, METHOD FOR THE PRODUCTION THEREOF, ITS CONTAINING DIELECTRICS AND ELECTRO-OPTICAL DISPLAY ELEMENT
EP79104356A EP0012820B1 (en) 1978-12-13 1979-11-07 Liquid crystalline carboxylic acid esters, process for their preparation, dielectrics containing them and electro-optical display device

Publications (1)

Publication Number Publication Date
ATE181T1 true ATE181T1 (en) 1981-09-15

Family

ID=6057004

Family Applications (1)

Application Number Title Priority Date Filing Date
AT79104356T ATE181T1 (en) 1978-12-13 1979-11-07 LIQUID CRYSTALLINE CARBONIC ACID ESTERS, PROCESS FOR THEIR PRODUCTION, DIELECTRICS CONTAINING THEM AND ELECTROOPTIC DISPLAY ELEMENT.

Country Status (5)

Country Link
US (1) US4237026A (en)
EP (1) EP0012820B1 (en)
JP (1) JPS5583744A (en)
AT (1) ATE181T1 (en)
DE (2) DE2853728A1 (en)

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US4013582A (en) * 1976-06-17 1977-03-22 Rca Corporation Liquid crystal compounds and electro-optic devices incorporating them
DE2636684C3 (en) * 1976-08-14 1980-06-19 Merck Patent Gmbh, 6100 Darmstadt Phenylcyclohexane derivatives and their use in liquid-crystalline dielectrics
US4029595A (en) * 1976-09-17 1977-06-14 Rca Corporation Novel liquid crystal compounds and electro-optic devices incorporating them
DE2701591C3 (en) * 1977-01-15 1979-12-20 Merck Patent Gmbh, 6100 Darmstadt Hexahydroterphenyl derivatives and their use in liquid crystalline dielectrics
JPS5421978A (en) * 1977-07-19 1979-02-19 Canon Inc Liquid crystal composition
DE2800553A1 (en) * 1978-01-07 1979-07-12 Merck Patent Gmbh CYCLOHEXAN DERIVATIVES

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US4237026A (en) 1980-12-02
DE2853728A1 (en) 1980-07-17
JPS5583744A (en) 1980-06-24
EP0012820A1 (en) 1980-07-09
DE2960753D1 (en) 1981-11-26
EP0012820B1 (en) 1981-09-02

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