ES425547A1 - Procedimiento para la obtencion de un dielectrico para fi- nes electro-opticos. - Google Patents

Procedimiento para la obtencion de un dielectrico para fi- nes electro-opticos.

Info

Publication number
ES425547A1
ES425547A1 ES425547A ES425547A ES425547A1 ES 425547 A1 ES425547 A1 ES 425547A1 ES 425547 A ES425547 A ES 425547A ES 425547 A ES425547 A ES 425547A ES 425547 A1 ES425547 A1 ES 425547A1
Authority
ES
Spain
Prior art keywords
electro
dielectric
procedure
obtaining
optical purposes
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
ES425547A
Other languages
English (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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche AG
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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Publication of ES425547A1 publication Critical patent/ES425547A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/52—Compounds having —CHO groups bound to carbon atoms of six—membered aromatic rings
    • C07C47/542—Alkylated benzaldehydes
    • 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
    • C09K19/22—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 nitrogen atoms as chain links, e.g. Schiff bases

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Liquid Crystal Substances (AREA)

Abstract

Procedimiento para la obtención de un dieléctrico para una célula electro-óptica, caracterizado porque comprende introducir en una célula uno o más compuestos de la fórmula general **fórmula** donde R representa el grupo etilo, n-propilo, n-butilo, n-pentilo, n-hexilo, isohexilo, n-heptilo o n-octilo, o composiciones mixtas de los mismos y/o con otras substancias nemáticas y/o no nemáticas cuya composición preferentemente corresponde a un eutéctico.
ES425547A 1972-02-23 1974-04-22 Procedimiento para la obtencion de un dielectrico para fi- nes electro-opticos. Expired ES425547A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH258572A CH558541A (de) 1972-02-23 1972-02-23 Mischung mit nematischen eigenschaften.

Publications (1)

Publication Number Publication Date
ES425547A1 true ES425547A1 (es) 1976-12-16

Family

ID=4237094

Family Applications (2)

Application Number Title Priority Date Filing Date
ES411900A Expired ES411900A1 (es) 1972-02-23 1973-02-22 Procedimiento para la preparacion de bases schieff liquido cristalinas.
ES425547A Expired ES425547A1 (es) 1972-02-23 1974-04-22 Procedimiento para la obtencion de un dielectrico para fi- nes electro-opticos.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES411900A Expired ES411900A1 (es) 1972-02-23 1973-02-22 Procedimiento para la preparacion de bases schieff liquido cristalinas.

Country Status (22)

Country Link
JP (2) JPS5211676B2 (es)
AR (1) AR196907A1 (es)
AT (1) AT335529B (es)
AU (1) AU444169B2 (es)
BE (1) BE795775A (es)
CA (1) CA995242A (es)
CH (1) CH558541A (es)
CS (3) CS173647B2 (es)
DD (2) DD112875A5 (es)
DE (1) DE2306738C3 (es)
ES (2) ES411900A1 (es)
FR (1) FR2177757B1 (es)
GB (1) GB1373609A (es)
HK (1) HK35577A (es)
IL (1) IL41363A (es)
IT (1) IT978629B (es)
NL (1) NL148930B (es)
NO (1) NO133195C (es)
SE (2) SE406473B (es)
SU (2) SU519128A3 (es)
TR (1) TR17441A (es)
ZA (1) ZA73332B (es)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4962390A (es) * 1972-10-17 1974-06-17
GB1452826A (en) * 1973-10-17 1976-10-20 Secr Defence Liquid crystal compositions
JPS4978683A (es) * 1972-12-06 1974-07-29
US3997242A (en) * 1973-03-02 1976-12-14 Hoffmann-La Roche Inc. Electro-optical cell containing dielectric isonitriles
US4058476A (en) * 1973-03-02 1977-11-15 Hoffmann-La Roche Inc. Liquid crystalline isonitriles
US4137192A (en) * 1974-01-25 1979-01-30 Canon Kabushiki Kaisha Liquid crystalline composition
JPS5331142B2 (es) * 1974-04-15 1978-08-31
JPS50150684A (es) * 1974-05-25 1975-12-03
US3973830A (en) * 1974-06-07 1976-08-10 Matsushita Electric Industrial Co., Ltd. Electro-optic device
FR2274355A1 (fr) * 1974-06-14 1976-01-09 Thomson Csf Melange de cristaux liquides presentant une anisotropie dielectrique positive et une large gamme de mesomorphisme
US4043634A (en) * 1974-07-25 1977-08-23 Dai Nippon Toryo Co., Ltd. Liquid crystal electro optical element
US4147651A (en) * 1974-09-03 1979-04-03 Beckman Instruments, Inc. Biphenyl based liquid crystal compositions
US3975286A (en) * 1974-09-03 1976-08-17 Beckman Instruments, Inc. Low voltage actuated field effect liquid crystals compositions and method of synthesis
JPS5282685A (en) * 1975-12-29 1977-07-11 Tokyo Ouka Kougiyou Kk Liquid crystal composites
JPS5666678A (en) * 1979-11-06 1981-06-05 Tsukishima Kikai Co Rotary multiitube type dryer
US9126890B2 (en) * 2011-10-20 2015-09-08 International Flavors & Fragrances Inc. Low volatile reactive malodor counteractives and methods of use thereof
JP7353981B2 (ja) * 2017-06-19 2023-10-02 シーカ テクノロジー アクチェンゲゼルシャフト アミンのためのブロッキング剤、潜在性硬化剤及びポリウレタン組成物

Also Published As

Publication number Publication date
FR2177757B1 (es) 1975-10-31
JPS5211676B2 (es) 1977-04-01
CH558541A (de) 1975-01-31
ES411900A1 (es) 1976-05-16
AR196907A1 (es) 1974-02-28
SE422468B (sv) 1982-03-08
NO133195B (es) 1975-12-15
BE795775A (fr) 1973-08-22
IT978629B (it) 1974-09-20
CS173622B2 (es) 1977-02-28
AU5122873A (en) 1974-01-17
DE2306738B2 (de) 1978-07-27
FR2177757A1 (es) 1973-11-09
DD107022A5 (es) 1974-07-12
SE406473B (sv) 1979-02-12
ATA155273A (de) 1976-07-15
DE2306738C3 (de) 1979-04-05
SU519128A3 (ru) 1976-06-25
TR17441A (tr) 1975-07-23
DD112875A5 (es) 1975-05-05
IL41363A (en) 1977-10-31
DE2306738A1 (de) 1973-08-30
GB1373609A (en) 1974-11-13
JPS52942B2 (es) 1977-01-11
CS173647B2 (es) 1977-02-28
NO133195C (es) 1976-03-24
JPS4896559A (es) 1973-12-10
NL7302064A (es) 1973-08-27
AU444169B2 (en) 1974-01-17
NL148930B (nl) 1976-03-15
AT335529B (de) 1977-03-10
SU508180A3 (ru) 1976-03-25
IL41363A0 (en) 1973-03-30
JPS514138A (es) 1976-01-14
CA995242A (en) 1976-08-17
CS173648B2 (es) 1977-02-28
ZA73332B (en) 1973-10-31
SE7500977L (es) 1975-01-29
HK35577A (en) 1977-07-15

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