GB2015510A - Novel diphenylic carboxylic esters exhibiting a mesomorphic phase - Google Patents

Novel diphenylic carboxylic esters exhibiting a mesomorphic phase

Info

Publication number
GB2015510A
GB2015510A GB7902465A GB7902465A GB2015510A GB 2015510 A GB2015510 A GB 2015510A GB 7902465 A GB7902465 A GB 7902465A GB 7902465 A GB7902465 A GB 7902465A GB 2015510 A GB2015510 A GB 2015510A
Authority
GB
United Kingdom
Prior art keywords
diphenylic
novel
carboxylic esters
mesomorphic phase
esters exhibiting
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.)
Granted
Application number
GB7902465A
Other versions
GB2015510B (en
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Publication of GB2015510A publication Critical patent/GB2015510A/en
Application granted granted Critical
Publication of GB2015510B publication Critical patent/GB2015510B/en
Expired legal-status Critical Current

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
    • C09K19/10—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)
  • Liquid Crystal Substances (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The invention relates to diphenylic esters capable of having smectic or nematic phases as a function of temperature, and having the general formula <IMAGE> in which: R=C6H13 or C7H15 or C8H17O; X=Br or CN; their preparation and use in electrooptical and thermooptical devices.
GB7902465A 1978-01-24 1979-01-24 Diphenylic carboxylic esters exhibiting a mesomorphic phase Expired GB2015510B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7801880A FR2415133A2 (en) 1978-01-24 1978-01-24 NEW FAMILY OF LIQUID CRYSTALS WITH LARGE NEGATIVE DIELECTRIC ANISOTROPY, AND DEVICES USING SUCH CRYSTALS

Publications (2)

Publication Number Publication Date
GB2015510A true GB2015510A (en) 1979-09-12
GB2015510B GB2015510B (en) 1982-09-15

Family

ID=9203764

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7902465A Expired GB2015510B (en) 1978-01-24 1979-01-24 Diphenylic carboxylic esters exhibiting a mesomorphic phase

Country Status (4)

Country Link
JP (2) JPS5536464A (en)
DE (1) DE2902490A1 (en)
FR (1) FR2415133A2 (en)
GB (1) GB2015510B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0035155A1 (en) * 1980-02-29 1981-09-09 Chisso Corporation Trans-4"-alkylcyclohexyl esters of 4'-(2-methylbutyl)-4-biphenylcarboxylic acid and liquid crystal compositions containing same
GB2137982A (en) * 1983-01-27 1984-10-17 Sugai Chemical Ind Co Ltd New biphenyl compounds and process for producing the same

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2939782A1 (en) * 1979-09-07 1981-04-02 BBC AG Brown, Boveri & Cie., Baden, Aargau Anisotropic cpds. with three aromatic rings and polarising side gps. - have high negative dielectric constant anisotropy, useful in liquid crystal compsn.
FR2561657B1 (en) * 1984-03-20 1988-02-19 Thomson Csf PROCESS FOR OBTAINING A SMECTIC LIQUID CRYSTAL C CHIRAL FERROELECTRIC LIQUID CRYSTAL OBTAINED BY THIS METHOD AND VISUALIZATION DEVICE USING THE LIQUID CRYSTAL
KR101431674B1 (en) * 2013-01-07 2014-08-20 (주)플로닉스 Rubber diaphragm having fluoropolymer coat layer and Method for manufacturing the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0035155A1 (en) * 1980-02-29 1981-09-09 Chisso Corporation Trans-4"-alkylcyclohexyl esters of 4'-(2-methylbutyl)-4-biphenylcarboxylic acid and liquid crystal compositions containing same
GB2137982A (en) * 1983-01-27 1984-10-17 Sugai Chemical Ind Co Ltd New biphenyl compounds and process for producing the same

Also Published As

Publication number Publication date
JPS5536464A (en) 1980-03-14
FR2415133A2 (en) 1979-08-17
DE2902490A1 (en) 1979-07-26
FR2415133B2 (en) 1980-08-22
JPS6033822B2 (en) 1985-08-05
GB2015510B (en) 1982-09-15
JPS5962550A (en) 1984-04-10

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 19990123