Liquid crystal materials

CCHEMISTRY METALLURGY C09Paints, dyes C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE

C09K19/00Liquid crystal materials

C09K19/02characterised by optical, electrical or physical properties of the components, in general C09K19/0208Twisted Nematic (T.N.); Super Twisted Nematic (S.T.N.); Optical Mode Interference (O.M.I.) C09K19/0216Super Birefringence Effect (S.B.E.); Electrically Controlled Birefringence (E.C.B.) C09K19/0225Ferroelectric C09K19/0233Electroclinic C09K19/0241Ferrielectric; Ferromagnetic C09K19/025Ferronematic; Ferrosmetic C09K19/0258Flexoelectric C09K19/0266Antiferroelectrics C09K19/0275Blue phase C09K19/0283Cubic phase C09K19/0291anticlinic C09K19/04characterised by the chemical structure of the liquid crystal components C09K19/0403the structure containing one or more specific, optionally substituted ring or ring systems C09K19/0422Sugars C09K19/06Non-steroidal liquid crystal compounds C09K19/061Linear compounds without any rings C09K19/062containing one non-condensed benzene ring C09K19/063containing one non-condensed saturated non-aromatic ring C09K19/065containing one non-condensed unsaturated non-aromatic ring C09K19/066containing one heterocyclic ring having oxygen as heteroatom C09K19/067containing one heterocyclic ring having nitrogen as heteroatom C09K19/068containing one heterocyclic ring having sulfur as heteroatom C09K19/08containing at least two non-condensed rings C09K19/10containing at least two benzene rings C09K19/12at least two benzene rings directly linked C09K19/126Compounds containing at least one asymmetric carbon atom C09K19/14linked by a carbon chain C09K19/16the chain containing carbon-to-carbon double bonds C09K19/18the chain containing carbon-to-carbon triple bonds C09K19/20linked by a chain containing carbon and oxygen atoms as chain links C09K19/2007the chain containing -COO- or -OCO- groups C09K19/2014containing additionally a linking group other than -COO- or -OCO- C09K19/2021Compounds containing at least one asymmetric carbon atom C09K19/2028containing additionally a linking group other than -COO- or -OCO- C09K19/22linked by a chain containing carbon and nitrogen atoms as chain links C09K19/24linked by a chain containing nitrogen-to-nitrogen bonds C09K19/26Azoxy compounds C09K19/28linked by a chain containing carbon and sulfur atoms as chain links C09K19/30containing saturated or unsaturated non-aromatic rings C09K19/3001Cyclohexane rings C09K19/3003Compounds containing at least two rings in which the different rings are directly linked (covalent bond) C09K19/3028in which at least two rings are linked by a carbon chain containing carbon to carbon single bonds C09K19/3048in which at least two rings are linked by a carbon chain containing carbon to carbon double bonds C09K19/3059in which at least two rings are linked by a carbon chain containing carbon to carbon triple bonds C09K19/3066in which the rings are linked by a chain containing carbon and oxygen atoms C09K19/3068chain containing -COO- or -OCO- groups C09K19/3086in which at least two rings are linked by a chain containing nitrogen atoms C09K19/3087in which at least two rings are linked by a chain containing sulfur atoms C09K19/3098Unsaturated non-aromatic rings C09K19/32containing condensed ring systems C09K19/321Compounds containing a bicyclo [2,2,2] octane ring C09K19/322Compounds containing a naphthalene ring or a completely or partially hydrogenated naphthalene ring C09K19/34containing at least one heterocyclic ring C09K19/3402having oxygen as hetero atom C09K19/3405the heterocyclic ring being a five-membered ring C09K19/3411the heterocyclic ring being a three-membered ring C09K19/3441having nitrogen as hetero atom C09K19/3444the heterocyclic ring being a six-membered aromatic ring containing one nitrogen atom C09K19/3447Pyridine condensed or bridged with another ring system C09K19/345the heterocyclic ring being a six-membered aromatic ring containing two nitrogen atoms C09K19/3452Pyrazine C09K19/3455Pyridazine C09K19/3458Uncondensed pyrimidines C09K19/3461Pyrimidine-tolane C09K19/3463Pyrimidine with a carbon chain containing at least one asymmetric carbon atom C09K19/3466Pyrimidine with at least another heterocycle in the chain C09K19/3469Pyrimidine with a specific end-group other than alkyl, alkoxy or -C*- C09K19/3472Pyrimidine condensed or bridged with another ring system C09K19/3475the heterocyclic ring being a six-membered aromatic ring containing at least three nitrogen atoms C09K19/3477the heterocyclic ring being a five-membered aromatic ring containing at least one nitrogen atom C09K19/348containing at least two nitrogen atoms C09K19/3483the heterocyclic ring being a non-aromatic ring C09K19/3486the heterocyclic ring containing nitrogen and oxygen atoms C09K19/3488the heterocyclic ring having more than 6 members C09K19/3491having sulfur as hetero atom C09K19/3494the heterocyclic ring containing sulfur and oxygen atoms C09K19/3497the heterocyclic ring containing sulfur and nitrogen atoms C09K19/36Steroidal liquid crystal compounds C09K19/38Polymers C09K19/3804with mesogenic groups in the main chain C09K19/3809Polyesters; Polyester derivatives C09K19/3814Polyethers C09K19/3819Polysaccharides or derivatives thereof C09K19/3823containing heterocycles having at least one nitrogen as ring hetero atom C09K19/3828containing triazine rings C09K19/3833with mesogenic groups in the side chain C09K19/3838Polyesters; Polyester derivatives C09K19/3842Polyvinyl derivatives C09K19/3847Polyvinylethers C09K19/3852Poly(meth)acrylate derivatives C09K19/3857containing at least one asymmetric carbon atom C09K19/3861containing condensed ring systems C09K19/3866containing steroid groups C09K19/3871containing amino acid derivatives C09K19/3876Polyoxyalkylene polymers C09K19/388Polyepoxides C09K19/3885Polyurethanes C09K19/389Polypeptides C09K19/3895containing two or more mesogenic groups per monomer unit C09K19/40containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen or sulfur C09K19/402containing deuterium C09K19/404containing boron or phosphorus C09K19/406containing silicon C09K19/408Polysiloxanes C09K19/42Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40 C09K19/44containing compounds with benzene rings directly linked C09K19/46containing esters C09K19/48containing Schiff bases C09K19/50containing steroidal liquid crystal compounds C09K19/52characterised by components which are not liquid crystals C09K19/54Additives having no specific mesophase characterised by their chemical composition C09K19/542Macromolecular compounds C09K19/544as dispersing or encapsulating medium around the liquid crystal C09K19/56Aligning agents C09K19/58Dopants or charge transfer agents C09K19/582Electrically active dopants C09K19/584having a condensed ring system; macrocyclic compounds C09K19/586Optically active dopants; chiral dopants C09K19/588Heterocyclic compounds C09K19/60Pleochroic dyes C09K19/601Azoic C09K19/603Anthroquinonic C09K19/605Azomethine dyes C09K19/606Perylene dyes C09K19/608Quinoxaline dyes