[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

GB2081736B - Liquid crystal materials containing diamino-dihydroxy anthraquinone pleochroic dyes - Google Patents

Liquid crystal materials containing diamino-dihydroxy anthraquinone pleochroic dyes

Info

Publication number
GB2081736B
GB2081736B GB8123185A GB8123185A GB2081736B GB 2081736 B GB2081736 B GB 2081736B GB 8123185 A GB8123185 A GB 8123185A GB 8123185 A GB8123185 A GB 8123185A GB 2081736 B GB2081736 B GB 2081736B
Authority
GB
United Kingdom
Prior art keywords
liquid crystal
materials containing
crystal materials
pleochroic dyes
dihydroxy anthraquinone
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
Application number
GB8123185A
Other versions
GB2081736A (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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Priority to GB8123185A priority Critical patent/GB2081736B/en
Publication of GB2081736A publication Critical patent/GB2081736A/en
Application granted granted Critical
Publication of GB2081736B publication Critical patent/GB2081736B/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
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/50—Amino-hydroxy-anthraquinones; Ethers and esters thereof
    • C09B1/51—N-substituted amino-hydroxy anthraquinone
    • C09B1/515—N-alkyl, N-aralkyl or N-cycloalkyl derivatives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/50—Amino-hydroxy-anthraquinones; Ethers and esters thereof
    • C09B1/503—Amino-hydroxy-anthraquinones; Ethers and esters thereof unsubstituted amino-hydroxy anthraquinone
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/50—Amino-hydroxy-anthraquinones; Ethers and esters thereof
    • C09B1/54—Amino-hydroxy-anthraquinones; Ethers and esters thereof etherified
    • C09B1/545—Anthraquinones with aliphatic, cycloaliphatic or araliphatic ether 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
    • C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/60—Pleochroic dyes
    • C09K19/603—Anthroquinonic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Liquid Crystal (AREA)
GB8123185A 1980-07-29 1981-07-28 Liquid crystal materials containing diamino-dihydroxy anthraquinone pleochroic dyes Expired GB2081736B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8123185A GB2081736B (en) 1980-07-29 1981-07-28 Liquid crystal materials containing diamino-dihydroxy anthraquinone pleochroic dyes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8024761 1980-07-29
GB8123185A GB2081736B (en) 1980-07-29 1981-07-28 Liquid crystal materials containing diamino-dihydroxy anthraquinone pleochroic dyes

Publications (2)

Publication Number Publication Date
GB2081736A GB2081736A (en) 1982-02-24
GB2081736B true GB2081736B (en) 1985-02-20

Family

ID=26276374

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8123185A Expired GB2081736B (en) 1980-07-29 1981-07-28 Liquid crystal materials containing diamino-dihydroxy anthraquinone pleochroic dyes

Country Status (1)

Country Link
GB (1) GB2081736B (en)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3046904A1 (en) * 1980-12-12 1982-07-15 Bayer Ag, 5090 Leverkusen ANTHRACHINONE DYES, METHOD FOR THE PRODUCTION THEREOF, AND THE USE OF LIQUID CRYSTAL MATERIALS CONTAINING ANTHRACHINONE DYES
DE3201120A1 (en) 1981-01-17 1982-10-21 Hitachi, Ltd., Tokyo LIQUID CRYSTAL COMPOSITION
EP0059036B1 (en) * 1981-02-25 1987-07-29 Imperial Chemical Industries Plc Pleochroic anthraquinone dyes
US4464282A (en) * 1981-02-25 1984-08-07 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britian And Northern Ireland Organic materials
US4446047A (en) * 1981-02-25 1984-05-01 Imperial Chemical Industries Plc Pleochroic anthraquinone dyes
DE3276180D1 (en) * 1981-02-25 1987-06-04 Secr Defence Brit LIQUID CRYSTAL MATERIALS COMPRISING PLEOCHROIC DYES
DE3150822A1 (en) * 1981-09-05 1983-03-24 Bayer Ag, 5090 Leverkusen LIQUID CRYSTAL MATERIAL CONTAINING ANTHRACHINONE DYES AND NEW ANTHRACHINONE DYES
GB2118203B (en) * 1982-04-07 1985-10-02 Secr Defence Guest-host liquid crystal mixtures with anthraquinone dyes
JPS58185650A (en) * 1982-04-07 1983-10-29 インペリアル・ケミカル・インダストリ−ズ・ピ−エルシ− Anthraquinone compound, manufacture and multi-color dye mixture
GB2122632B (en) * 1982-04-07 1985-11-13 Ici Plc Anthraquinone compounds
GB8319849D0 (en) 1983-07-22 1983-08-24 Secr Defence Compounds containing fluorobiphenyl group
JP6527465B2 (en) 2012-12-13 2019-06-05 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツングＭｅｒｃｋ Ｐａｔｅｎｔ Ｇｅｓｅｌｌｓｃｈａｆｔ ｍｉｔ ｂｅｓｃｈｒａｅｎｋｔｅｒ Ｈａｆｔｕｎｇ Liquid crystal medium
CN105103046A (en) 2013-03-05 2015-11-25 默克专利股份有限公司 Device for regulating the passage of optical energy
CN105190419A (en) 2013-05-08 2015-12-23 默克专利股份有限公司 Device comprising two liquid crystal switching layers for regulating the passage of optical energy
CN105377995B (en) 2013-05-24 2018-09-04 默克专利股份有限公司 Include the device for adjusting energy penetration of dichroic dye compound
CN113684038A (en) 2013-12-19 2021-11-23 默克专利股份有限公司 Apparatus for regulating light transmission
DE102015005800A1 (en) 2015-05-06 2016-11-10 Merck Patent Gmbh Thiadiazolochinoxalinderivate
WO2017008880A1 (en) 2015-07-10 2017-01-19 Merck Patent Gmbh Dithio-alkyl-pyrrolo-pyrroles and use thereof as dyes
KR20190023089A (en) 2016-06-28 2019-03-07 메르크 파텐트 게엠베하 Liquid crystal medium
JP6972103B2 (en) 2016-07-19 2021-11-24 メルク・パテント・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツングMerck Patent GmbH Liquid crystal medium
US11667845B2 (en) 2018-06-11 2023-06-06 Merck Patent Gmbh Liquid crystalline medium
KR20210022647A (en) 2018-06-20 2021-03-03 메르크 파텐트 게엠베하 Liquid crystal medium
EP3856869B1 (en) 2018-09-25 2024-04-03 Merck Patent GmbH Azo dye
JP7439086B2 (en) 2018-11-23 2024-02-27 メルク・パテント・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング Dichroic dye composition
JP2022516008A (en) 2018-12-19 2022-02-24 メルク・パテント・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング Switching layer used for switching elements
US12134725B2 (en) 2019-06-17 2024-11-05 Merck Patent Gmbh Liquid crystal-based light valve
EP3839620A1 (en) 2019-12-16 2021-06-23 Merck Patent GmbH Device for the regulation of light transmission
WO2022122871A1 (en) 2020-12-11 2022-06-16 Merck Patent Gmbh Device for the regulation of light transmission
WO2023094404A1 (en) 2021-11-24 2023-06-01 Merck Patent Gmbh Liquid crystal medium and liquid crystal display

Also Published As

Publication number Publication date
GB2081736A (en) 1982-02-24

Similar Documents

Publication Publication Date Title
GB2082196B (en) Liquid crystal materials containing anthraquinone pleochroic dyes
GB2081736B (en) Liquid crystal materials containing diamino-dihydroxy anthraquinone pleochroic dyes
DE3162340D1 (en) Liquid crystal materials comprising anthraquinone dyes
JPS57123257A (en) Anthraquinone dyes, manufacture, use and liquid crystal substance containing same
DE3160908D1 (en) Liquid crystal with an incorporated pleochroic anthraquinone dyestuff and its use
GB2094825B (en) Liquid crystal compositions containing pleochroic anthraquinone dyes
DE3268932D1 (en) Liquid crystal material containing azo dyes
DE3266046D1 (en) Guest-host type liquid crystal composition
GB2024844B (en) Pleochroic dyes and electro-optical displays therewith
JPS5732211A (en) Cholesteric liquid crystal blend
JPS5738857A (en) Trisazo dye for liquid crystal composition
DE3160880D1 (en) Liquid crystal compositions containing pleochroic anthraquinone dyes, liquid crystal devices containing the compositions, and the dyes
DE3167759D1 (en) Dyes for liquid crystal mixtures
GB2078727B (en) Anisotropic cyclohexene compounds and liquid crystal mixtures containing them
GB2103235B (en) Liquid crystal dielectrics and new pleochroic naphthoquinone dyes
DE3276002D1 (en) Pleochroic azo dyes, a liquid crystal composition containing the azo dyes and a display device using the liquid crystal composition
DE3363645D1 (en) Liquid crystal composition containing azo dyes
GB2043097B (en) Liquid crystal compositions containing pleochroic dye
GB2093475B (en) Liquid crystal materials containing pleochroic dithioanthraquinone dyes
DE3174269D1 (en) Liquid crystal compositions with tris-azo dichroic dyes
JPS5796075A (en) Bichromophoric liquid crystal composition containing anthraquinone dye
HK82187A (en) Liquid crystal composition suitable for guest-host type liquid crystal display devices
JPS57123282A (en) Nematic liquid crystal composition
EP0098736A3 (en) Anthraquinone dyes and liquid crystal compositions containing the dyes
JPS57123281A (en) Nematic liquid crystal composition

Legal Events

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

Effective date: 20010727