WO1981000853A1 - Liquid crystal material with low value of optical anisotropy and method of making it - Google Patents

Liquid crystal material with low value of optical anisotropy and method of making it

Info

Publication number
WO1981000853A1
WO1981000853A1 PCT/SU1979/000095 SU7900095W WO8100853A1 WO 1981000853 A1 WO1981000853 A1 WO 1981000853A1 SU 7900095 W SU7900095 W SU 7900095W WO 8100853 A1 WO8100853 A1 WO 8100853A1
Authority
WO
WIPO (PCT)
Prior art keywords
acid
water
maτeρiala
veschesτvο
weight
Prior art date
Application number
PCT/SU1979/000095
Other languages
English (en)
French (fr)
Russian (ru)
Inventor
M Barnik
A Ivashchenko
E Kovshev
I Agafonova
M Grebenkin
V Shoshin
L Blinov
V Titov
L Karamysheva
N Shtykov
Original Assignee
M Barnik
A Ivashchenko
E Kovshev
I Agafonova
M Grebenkin
V Shoshin
L Blinov
V Titov
L Karamysheva
N Shtykov
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 M Barnik, A Ivashchenko, E Kovshev, I Agafonova, M Grebenkin, V Shoshin, L Blinov, V Titov, L Karamysheva, N Shtykov filed Critical M Barnik
Priority to DE19792953841 priority Critical patent/DE2953841A1/de
Priority to GB8115636A priority patent/GB2072214B/en
Priority to PCT/SU1979/000095 priority patent/WO1981000853A1/ru
Priority to JP50002579A priority patent/JPS56501284A/ja
Publication of WO1981000853A1 publication Critical patent/WO1981000853A1/ru

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • 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
    • C09K19/02—Liquid crystal materials characterised by optical, electrical or physical properties of the components, in general
    • 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
    • C09K19/42—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40
    • 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
    • C09K19/42—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40
    • C09K19/46—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40 containing esters

Definitions

  • the indicated material also has an unacceptably low ⁇ GS value. , ⁇ what is the variation of the magnitude ⁇ ⁇ . Depending on the structure, the practitioner is not able to use it.
  • This material is mixed by the compilers, each of which receives material from both: dielectric and non-volatile products. The resulting mixture is heated while stirring and before the mixture is transferred to a liquid, after which it is cooled down to a room temperature.
  • the objective of the present invention was to produce a liquid crystalline material having a lower imprisonment.
  • lowering ⁇ ⁇ will increase the loss of liquid and crystalline toxic substances
  • the material used is liquid crystalline material, which is a small component of the material that prevents the use of high-level electricity and / or
  • ⁇ l ⁇ l ⁇ yaizhenn ⁇ e value ⁇ l ⁇ iches ⁇ y aniz ⁇ ii ma ⁇ e ⁇ iala, ⁇ i e ⁇ m ⁇ zhches ⁇ v ⁇ vesches ⁇ va ⁇ s ⁇ s ⁇ avlyae ⁇ 4,9-30,0% by weight, and ⁇ liches ⁇ v ⁇ vesches ⁇ va ⁇ s ⁇ s ⁇ avlyae ⁇ 5 70,0-95,1% by weight.
  • This material is provided .
  • a special white, turbid liquid in a liquid crystalline state and a colorless flowing liquid in the presence of a high degree of solubility and emissivity are provided .
  • Table I there are examples illustrating the invention, with a quick display of the material and its properties.
  • the offered liquid compositions have a lower value of the optical value than the known materials, which is
  • a flask containing an agitator and a droplet flask holds 8.6 g of 2-acid-4-hydroxybutyric acid and 50 ml of pyridine. When stirring and stirring and cooling, add 7.72 g
  • reaction mass is poured into the acidified ice water.
  • the precipitated sediment is filtered and washed out of the water for a neutral reaction.
  • the garden is dried on the air. Install from the bezel / t. Pl. 152-210 ⁇ /, and then from
  • the mixture is heated and stirred at ⁇ 00 ° C and kept at a temperature of I hour. Cool to 20 ° C and pour into water.
  • Wastes wash out and dry over ⁇ ⁇ ⁇ »Partly, it turns out to rot, and it stops through silica gel.
  • Amide 2-acid-4- / ⁇ -n-heptylbenzoyloxy / -benzoic acid $ 73.4, mp 58- ⁇ 6 ⁇ ° ⁇ / from ethanol /.
  • the target price of the product is $ 45, t.pl, 25-28 ° C / w / Hexane

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Liquid Crystal Substances (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Joining Of Building Structures In Genera (AREA)
PCT/SU1979/000095 1979-09-28 1979-09-28 Liquid crystal material with low value of optical anisotropy and method of making it WO1981000853A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19792953841 DE2953841A1 (de) 1979-09-28 1979-09-28 Liquid crystal material with low value of optical anisotropy and method of making it
GB8115636A GB2072214B (en) 1979-09-28 1979-09-28 Liquid crystal material with low value of optical anisotropy and method of making it
PCT/SU1979/000095 WO1981000853A1 (en) 1979-09-28 1979-09-28 Liquid crystal material with low value of optical anisotropy and method of making it
JP50002579A JPS56501284A (enrdf_load_html_response) 1979-09-28 1979-09-28

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
WOSU79/00095 1979-09-28
PCT/SU1979/000095 WO1981000853A1 (en) 1979-09-28 1979-09-28 Liquid crystal material with low value of optical anisotropy and method of making it

Publications (1)

Publication Number Publication Date
WO1981000853A1 true WO1981000853A1 (en) 1981-04-02

Family

ID=21616562

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SU1979/000095 WO1981000853A1 (en) 1979-09-28 1979-09-28 Liquid crystal material with low value of optical anisotropy and method of making it

Country Status (4)

Country Link
JP (1) JPS56501284A (enrdf_load_html_response)
DE (1) DE2953841A1 (enrdf_load_html_response)
GB (1) GB2072214B (enrdf_load_html_response)
WO (1) WO1981000853A1 (enrdf_load_html_response)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4460770A (en) * 1981-06-18 1984-07-17 Hoffmann-La Roche Inc. Liquid crystal mixture
US4490277A (en) * 1981-05-29 1984-12-25 Grebenkin Mikhail F Mesomorphic material with low optical anisotropy and process for producing same
US4560496A (en) * 1983-09-30 1985-12-24 Dietrich Demus Liquid crystalline nematic compounds
US4582986A (en) * 1980-11-21 1986-04-15 Stockburger H Method and apparatus for the characteristic marking and/or identification of a data-carrier
US4664840A (en) * 1979-05-28 1987-05-12 E. Merck Liquid crystal compounds

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4603018A (en) * 1982-09-27 1986-07-29 Chisso Corporation 2-cyano-4-halogenophenyl esters
US5342544A (en) * 1991-10-28 1994-08-30 Asahi Denka Kogyo Kabushiki Kaisha Liquid crystal composition

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1406363A (en) * 1972-07-13 1975-09-17 Suwa Seikosha Kk Aryl cyanobenzoates having nematic liquid crystal properties nematic liquid crystal materials and electro-optical display devices provided therewith
GB1407777A (en) * 1973-03-02 1975-09-24 Hoffmann La Roche Aromatic esters containing isonitrile groups and their use in liquid crystal materials
GB1437878A (en) * 1973-08-31 1976-06-03 Dainippon Toryo Kk Nematic liquid crystal compositions
JPS5120993B2 (enrdf_load_html_response) * 1971-12-16 1976-06-29
US4029594A (en) * 1976-06-17 1977-06-14 Rca Corporation Novel liquid crystal compounds and electro-optic devices incorporating them
DE2625217B2 (de) * 1975-06-05 1978-04-06 Dai Nippon Toryo Co., Ltd., Osaka (Japan) Zimtsäureester und diese enthaltende nematische Flüssigkristallmassen
US4138359A (en) * 1976-05-25 1979-02-06 Citizen Watch Co., Ltd. Liquid crystal composition and method for making same

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5120993B2 (enrdf_load_html_response) * 1971-12-16 1976-06-29
GB1406363A (en) * 1972-07-13 1975-09-17 Suwa Seikosha Kk Aryl cyanobenzoates having nematic liquid crystal properties nematic liquid crystal materials and electro-optical display devices provided therewith
GB1407777A (en) * 1973-03-02 1975-09-24 Hoffmann La Roche Aromatic esters containing isonitrile groups and their use in liquid crystal materials
GB1437878A (en) * 1973-08-31 1976-06-03 Dainippon Toryo Kk Nematic liquid crystal compositions
DE2625217B2 (de) * 1975-06-05 1978-04-06 Dai Nippon Toryo Co., Ltd., Osaka (Japan) Zimtsäureester und diese enthaltende nematische Flüssigkristallmassen
US4138359A (en) * 1976-05-25 1979-02-06 Citizen Watch Co., Ltd. Liquid crystal composition and method for making same
US4029594A (en) * 1976-06-17 1977-06-14 Rca Corporation Novel liquid crystal compounds and electro-optic devices incorporating them

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
D. Demus: "Flussige Kristalle in Tabellen", published in 1974, publishing house "VEB Deutscher Verlag fur Grendstoffindustrie", Leipzig, page 34 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4664840A (en) * 1979-05-28 1987-05-12 E. Merck Liquid crystal compounds
US4582986A (en) * 1980-11-21 1986-04-15 Stockburger H Method and apparatus for the characteristic marking and/or identification of a data-carrier
US4490277A (en) * 1981-05-29 1984-12-25 Grebenkin Mikhail F Mesomorphic material with low optical anisotropy and process for producing same
US4460770A (en) * 1981-06-18 1984-07-17 Hoffmann-La Roche Inc. Liquid crystal mixture
US4560496A (en) * 1983-09-30 1985-12-24 Dietrich Demus Liquid crystalline nematic compounds

Also Published As

Publication number Publication date
DE2953841A1 (de) 1982-02-04
JPS56501284A (enrdf_load_html_response) 1981-09-10
GB2072214B (en) 1984-02-15
GB2072214A (en) 1981-09-30

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