DE2637430A1 - Heterocyclic diaza cpd. in liquid crystalline dielectric - for electrooptical registration devices, giving stable orientation parallel to electrode surfaces - Google Patents

Heterocyclic diaza cpd. in liquid crystalline dielectric - for electrooptical registration devices, giving stable orientation parallel to electrode surfaces

Info

Publication number
DE2637430A1
DE2637430A1 DE19762637430 DE2637430A DE2637430A1 DE 2637430 A1 DE2637430 A1 DE 2637430A1 DE 19762637430 DE19762637430 DE 19762637430 DE 2637430 A DE2637430 A DE 2637430A DE 2637430 A1 DE2637430 A1 DE 2637430A1
Authority
DE
Grant status
Application
Patent type
Prior art keywords
ch2
liquid crystalline
cpd
electrode surfaces
electrooptical
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.)
Pending
Application number
DE19762637430
Other languages
German (de)
Inventor
Ludwig Dr Pohl
Joachim Dr Krause
Rainer Dr Klink
Rudolf Dr Eidenschink
Fernando Del Pino
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.)
Merck Patent GmbH
Original Assignee
Merck Patent GmbH
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

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Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; MISCELLANEOUS COMPOSITIONS; MISCELLANEOUS APPLICATIONS OF MATERIALS
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00Liquid crystal materials
    • C09K19/52Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/54Additives having no specific mesophase characterised by their chemical composition
    • C09K19/56Aligning agents

Abstract

A liquid crystalline dielectric is prepd. by mixing (a) a liquid crystalline material with (b) 0.001-5 (0.01-2) wt.% of is not 1 cpd. of formula (I) (where R' and R2 are H, or together form CH2-(CH2-Z-CH2)p-CH2; X is -CH2-or -CO-; Y is -Z-CH2-CH2- or a gp. with formula -Z-; Z is O, S or NH; m and n are 0,1 or 2; and p is 1,2 or 3. Acid addn. salts and/or metal salt chelate complexes of I may also be used. The dielectric is used in electro-optical registration devices. The dielectric becomes tably oriented parallel to the electrode surfaces in the registration device.
DE19762637430 1976-08-20 1976-08-20 Heterocyclic diaza cpd. in liquid crystalline dielectric - for electrooptical registration devices, giving stable orientation parallel to electrode surfaces Pending DE2637430A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19762637430 DE2637430A1 (en) 1976-08-20 1976-08-20 Heterocyclic diaza cpd. in liquid crystalline dielectric - for electrooptical registration devices, giving stable orientation parallel to electrode surfaces

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE19762637430 DE2637430A1 (en) 1976-08-20 1976-08-20 Heterocyclic diaza cpd. in liquid crystalline dielectric - for electrooptical registration devices, giving stable orientation parallel to electrode surfaces
JP2371077A JPS52114482A (en) 1976-03-18 1977-03-03 Liquid cryatal dielectric substance and manufacture
US05775671 US4077900A (en) 1976-03-18 1977-03-08 Liquid crystalline dielectric composition
FR7707627A FR2344617A1 (en) 1976-03-18 1977-03-15 Dielectric liquid crystal
GB1110077A GB1521673A (en) 1976-03-18 1977-03-16 Liquid crystalline dielectric
NL7702992A NL7702992A (en) 1976-03-18 1977-03-18 Process for the preparation of a liquid crystalline dielectric, as well as referent products obtained using this method.

Publications (1)

Publication Number Publication Date
DE2637430A1 true true DE2637430A1 (en) 1978-02-23

Family

ID=5985871

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762637430 Pending DE2637430A1 (en) 1976-08-20 1976-08-20 Heterocyclic diaza cpd. in liquid crystalline dielectric - for electrooptical registration devices, giving stable orientation parallel to electrode surfaces

Country Status (1)

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DE (1) DE2637430A1 (en)

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EP0361532A2 (en) 1986-01-20 1990-04-04 MERCK PATENT GmbH Ethane derivatives
WO1991008272A1 (en) * 1989-12-01 1991-06-13 Hoechst Aktiengesellschaft Use of complex ligands for ions in ferroelectric liquid crystal mixtures
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0154849A2 (en) 1984-02-27 1985-09-18 MERCK PATENT GmbH Cyclohexane derivatives
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