GB2120674B - Dichroic dyestuffs for liquid crystals and liquid crystal compositions comprising the same - Google Patents

Dichroic dyestuffs for liquid crystals and liquid crystal compositions comprising the same

Info

Publication number
GB2120674B
GB2120674B GB08306968A GB8306968A GB2120674B GB 2120674 B GB2120674 B GB 2120674B GB 08306968 A GB08306968 A GB 08306968A GB 8306968 A GB8306968 A GB 8306968A GB 2120674 B GB2120674 B GB 2120674B
Authority
GB
United Kingdom
Prior art keywords
same
crystal compositions
liquid crystal
liquid
liquid crystals
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
GB08306968A
Other versions
GB8306968D0 (en
GB2120674A (en
Inventor
Shigeo Yasui
Masashi Ono
Seiko Kobayashi
Shigeo Senzai
Tatsuo Uchida
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.)
Nippon Kanko Shikiso Kenkyusho KK
Original Assignee
Nippon Kanko Shikiso Kenkyusho KK
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 JP4158582A external-priority patent/JPS58157883A/en
Priority claimed from JP57160434A external-priority patent/JPS5947261A/en
Application filed by Nippon Kanko Shikiso Kenkyusho KK filed Critical Nippon Kanko Shikiso Kenkyusho KK
Publication of GB8306968D0 publication Critical patent/GB8306968D0/en
Publication of GB2120674A publication Critical patent/GB2120674A/en
Application granted granted Critical
Publication of GB2120674B publication Critical patent/GB2120674B/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
    • C09B5/00—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
    • C09B5/24—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position
    • C09B5/2409—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position not provided for in one of the sub groups C09B5/26 - C09B5/62
    • C09B5/2436—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position not provided for in one of the sub groups C09B5/26 - C09B5/62 only nitrogen-containing hetero rings
    • C09B5/2445—Phtaloyl isoindoles
    • C09B5/2454—5,6 phtaloyl dihydro isoindoles
    • C09B5/2463—1,3 oxo or imino derivatives
    • C09B5/2472—1,3 dioxo 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
    • C09B1/02—Hydroxy-anthraquinones; Ethers or esters thereof
    • 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
    • C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
    • 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
    • C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
    • C09B35/02—Disazo dyes
    • 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
    • C09B5/00—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
    • C09B5/24—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position
    • C09B5/32—1.3 azoles of the anthracene series
    • 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
    • C09B5/00—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
    • C09B5/62—Cyclic imides or amidines of peri-dicarboxylic acids of the anthracene, benzanthrene, or perylene series
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Liquid Crystal (AREA)
GB08306968A 1982-03-13 1983-03-14 Dichroic dyestuffs for liquid crystals and liquid crystal compositions comprising the same Expired GB2120674B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4158582A JPS58157883A (en) 1982-03-13 1982-03-13 Dichroic dyestuff for liquid crystal and improving method for dichroism of dyestuff
JP57160434A JPS5947261A (en) 1982-09-13 1982-09-13 Method for improving dichroism of azo dye for liquid crystal

Publications (3)

Publication Number Publication Date
GB8306968D0 GB8306968D0 (en) 1983-04-20
GB2120674A GB2120674A (en) 1983-12-07
GB2120674B true GB2120674B (en) 1986-11-19

Family

ID=26381226

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08306968A Expired GB2120674B (en) 1982-03-13 1983-03-14 Dichroic dyestuffs for liquid crystals and liquid crystal compositions comprising the same

Country Status (3)

Country Link
DE (1) DE3309045A1 (en)
FR (1) FR2523147B1 (en)
GB (1) GB2120674B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3245751A1 (en) * 1982-12-10 1984-06-14 Bayer Ag, 5090 Leverkusen AZO DYES AND LIQUID CRYSTALLINE MATERIAL CONTAINING AZO DYES
JPS59164365A (en) * 1983-03-08 1984-09-17 Mitsui Toatsu Chem Inc Dichroic dye and liquid crystal composition for color display
FR2562900B1 (en) * 1984-04-11 1987-11-13 Bayer Ag AZO DYES AND LIQUID CRYSTALLINE MATERIAL CONTAINING AZO DYES

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1069797B (en) * 1959-11-26 Farbwerke Hoechst Aktiengesellschaft vormals Meister Lucius S. Brünmg, Frankfurt/M Process for the preparation of a dye
US3049454A (en) * 1955-08-15 1962-08-14 Howard J Stark Low density cellular explosive foam
DE1055156B (en) * 1956-03-14 1959-04-16 Hoechst Ag Process for the preparation of a dye
GB1042838A (en) * 1963-07-08 1966-09-14 Sumitomo Chemical Co Process for producing anthraquinone disperse dyestuffs
DE2003708A1 (en) * 1970-01-28 1971-08-05 Bayer Ag Process for the continuous dyeing of synthetic fiber materials
CH506608A (en) * 1970-04-28 1971-04-30 Ciba Geigy Ag Process for the production of sparingly soluble anthraquinone dyes
DE2350923A1 (en) * 1972-10-13 1974-04-18 Ciba Geigy Ag N, N'-DIACYLOXYPERYLENTETRACARBONIC ACID 3,4,9,10-DIIMIDE, METHOD OF PREPARATION AND USE
DE2357551A1 (en) * 1973-11-17 1975-05-22 Bayer Ag ANTHRACHINONE DYES
FR2409285A1 (en) * 1977-11-19 1979-06-15 Basf Ag ANTHRAQUINONIC DYES
JPS54157786A (en) * 1978-05-23 1979-12-12 Minnesota Mining & Mfg Multiicoloring dyestuff and photoelectric display device
IT1141378B (en) * 1979-02-23 1986-10-01 Minnesota Mining & Mfg COMPOSITIONS WITH A LIQUID CRYSTAL CONTAINING PLEOCROIC DYE
US4360447A (en) * 1979-03-16 1982-11-23 Mitsui Toatsu Chemicals, Inc. Composition for liquid crystal color display elements
JPS56500944A (en) * 1979-07-27 1981-07-09
GB2065695B (en) * 1979-10-12 1984-07-25 Hitachi Ltd Guest-host type liquid crystal composition and liquid crystal display device using the same
US4308164A (en) * 1980-08-04 1981-12-29 General Electric Company Novel yellow azo dyes and dichroic liquid crystal composition made therewith
US4308163A (en) * 1980-08-04 1981-12-29 General Electric Company Novel yellow azo dyes and dichroic liquid crystal composition made therewith
US4308161A (en) * 1980-08-04 1981-12-29 General Electric Company Novel yellow azo dyes and dichroic liquid crystal compositions made therewith
US4308162A (en) * 1980-12-08 1981-12-29 General Electric Company Novel yellow azo dyes and dichroic liquid crystal compositions made therewith
DE3049454A1 (en) * 1980-12-30 1982-07-29 Bayer Ag, 5090 Leverkusen LIQUID CRYSTAL MATERIAL CONTAINING DISAZO DYES
EP0065869B1 (en) * 1981-05-21 1984-07-25 Crystaloid Electronics Company Liquid crystalline materials incorporating dichroic dye and optical displays utilizing same
JPS5857488A (en) * 1981-10-02 1983-04-05 Mitsubishi Chem Ind Ltd Guest/host type liquid crystal composition
US4401369A (en) * 1981-10-19 1983-08-30 Electronic Display Systems, Inc. Class of dichroic dyes for use with liquid crystals
EP0099014A3 (en) * 1982-07-16 1984-12-12 Asulab S.A. Dark coloured composition based on liquid crystals

Also Published As

Publication number Publication date
GB8306968D0 (en) 1983-04-20
FR2523147A1 (en) 1983-09-16
GB2120674A (en) 1983-12-07
FR2523147B1 (en) 1987-02-27
DE3309045A1 (en) 1983-09-15
DE3309045C2 (en) 1990-09-06

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Legal Events

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