HK31489A - Dichroic liquid crystal compositions made with asymmetric tris-azo dyes - Google Patents

Dichroic liquid crystal compositions made with asymmetric tris-azo dyes

Info

Publication number
HK31489A
HK31489A HK314/89A HK31489A HK31489A HK 31489 A HK31489 A HK 31489A HK 314/89 A HK314/89 A HK 314/89A HK 31489 A HK31489 A HK 31489A HK 31489 A HK31489 A HK 31489A
Authority
HK
Hong Kong
Prior art keywords
liquid crystal
azo dyes
crystal compositions
compositions made
dichroic liquid
Prior art date
Application number
HK314/89A
Other languages
English (en)
Inventor
Siegfried Aftergut
Herbert Stanley Cole
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of HK31489A publication Critical patent/HK31489A/xx

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
    • C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
    • C09B31/16—Trisazo dyes
    • C09B31/26—Trisazo dyes from other coupling components "D"
    • C09B31/28—Heterocyclic compounds
    • 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
    • C09B31/16—Trisazo dyes
    • C09B31/18—Trisazo dyes from a coupling component "D" containing a directive amine group
    • 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
    • C09K19/601—Azoic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Liquid Crystal (AREA)
HK314/89A 1981-11-12 1989-04-13 Dichroic liquid crystal compositions made with asymmetric tris-azo dyes HK31489A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/320,281 US4411812A (en) 1981-11-12 1981-11-12 Dichroic liquid crystal compositions made with asymmetric tris-azo dyes

Publications (1)

Publication Number Publication Date
HK31489A true HK31489A (en) 1989-04-21

Family

ID=23245700

Family Applications (1)

Application Number Title Priority Date Filing Date
HK314/89A HK31489A (en) 1981-11-12 1989-04-13 Dichroic liquid crystal compositions made with asymmetric tris-azo dyes

Country Status (7)

Country Link
US (1) US4411812A (de)
JP (1) JPS58108287A (de)
DE (1) DE3232307A1 (de)
FR (1) FR2519642A1 (de)
GB (1) GB2109397B (de)
HK (1) HK31489A (de)
SG (1) SG75588G (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0080153B1 (de) * 1981-11-16 1987-04-08 Mitsubishi Kasei Corporation Pleochroitische Azofarbstoffe, dieselben enthaltende flüssigkristalline Zusammensetzung, und ein dieselbe verwendendes optisches Anzeigegerät
JPS58138767A (ja) * 1982-02-10 1983-08-17 Hitachi Ltd 液晶組成物及び表示素子
DE3380031D1 (en) * 1982-06-30 1989-07-13 Hitachi Ltd Liquid crystal composition
DE3245751A1 (de) * 1982-12-10 1984-06-14 Bayer Ag, 5090 Leverkusen Azofarbstoffe und fluessigkristallines material enthaltend azofarbstoffe
JP5456667B2 (ja) * 2008-05-07 2014-04-02 日本化薬株式会社 トリスアゾ化合物、インク組成物、記録方法及び着色体

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4145114A (en) * 1975-06-17 1979-03-20 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Pleochroic dyes
JPS5326783A (en) * 1976-08-25 1978-03-13 Nippon Kankou Shikiso Kenkiyuu Electrooptical elements
US4179395A (en) * 1976-09-09 1979-12-18 General Electric Company Dichroic dyes having a plurality of azo bonding groups
GB1568731A (en) * 1976-09-30 1980-06-04 Japan Found Artificial Organs Blood-gas exchanger units
US4122027A (en) * 1976-11-08 1978-10-24 General Electric Company Dichroic liquid crystal composition with 4,4-bis (substituted naphthylazo)azobenzene dichroic dyes
JPS5948038B2 (ja) * 1976-12-28 1984-11-22 セイコーエプソン株式会社 表示体
JPS5389894A (en) * 1977-01-18 1978-08-08 Seiko Epson Corp Display device
US4153343A (en) * 1977-06-09 1979-05-08 Rca Corporation Liquid crystal dyestuffs and electro-optic devices incorporating same
JPS5468780A (en) * 1977-11-10 1979-06-02 Nippon Kankou Shikiso Kenkiyuu Electric optical element
JPS54134452A (en) * 1978-04-10 1979-10-18 Hitachi Ltd Quest-host type liquid crystal display device
CA1120478A (en) * 1979-02-05 1982-03-23 Arthur Boller Cyclohexyl pyrimidines
JPS5657850A (en) * 1979-10-18 1981-05-20 Nippon Kanko Shikiso Kenkyusho:Kk Azo compound and dichromatic dye for liquid crystal consisting of the same
US4350603A (en) * 1980-06-30 1982-09-21 General Electric Company Novel tris-azo dyes and liquid crystal compositions 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
GB2090274B (en) * 1980-12-12 1984-09-12 Minnesota Mining & Mfg Dichroic dyestuff
US4359398A (en) * 1980-12-22 1982-11-16 General Electric Company Liquid crystal compositions with novel tris-azo dichroic dyes

Also Published As

Publication number Publication date
GB2109397B (en) 1985-11-06
FR2519642B1 (de) 1985-05-10
FR2519642A1 (fr) 1983-07-18
SG75588G (en) 1989-08-11
DE3232307A1 (de) 1983-05-19
US4411812A (en) 1983-10-25
JPS58108287A (ja) 1983-06-28
GB2109397A (en) 1983-06-02

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