[go: up one dir, main page]

Hwang et al., 2003 - Google Patents

Supramolecular discotic liquid crystals from wedge‐shaped diacetylenes and their polymerization

Hwang et al., 2003

Document ID
15997718188524810260
Author
Hwang I
Lee S
Chang J
Publication year
Publication venue
Journal of Polymer Science Part A: Polymer Chemistry

External Links

Snippet

Wedge‐shaped diacetylenic compounds were synthesized by the amidation reaction between the linear diacetylenic side groups and 5‐acetamidoisophthalic acid. The compounds showed enantiotropic transitions. In the liquid‐crystalline states, they were …
Continue reading at onlinelibrary.wiley.com (other versions)

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; MISCELLANEOUS COMPOSITIONS; MISCELLANEOUS APPLICATIONS OF MATERIALS
    • 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
    • C09K19/38—Polymers
    • C09K19/3833—Polymers with mesogenic groups in the side chain
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; MISCELLANEOUS COMPOSITIONS; MISCELLANEOUS APPLICATIONS OF MATERIALS
    • 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
    • C09K19/20—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 oxygen atoms as chain links, e.g. esters or ethers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D207/30—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having two double bonds between ring members or between ring members and non-ring members

Similar Documents

Publication Publication Date Title
Mallon et al. Synthesis and characterization of novel epoxy monomers and liquid crystal thermosets
Chang et al. Synthesis and characterization of mesogenic disklike benzenetricarboxylates containing diacetylenic groups and their polymerization
Kouwer et al. Synthesis and characterization of a novel liquid crystalline polymer showing a nematic columnar to nematic discotic phase transition
Gopalan et al. Fluorinated mesogen‐jacketed liquid‐crystalline polymers as surface‐modifying agents: Design, synthesis and characterization
Wang et al. Self‐Assembly of Azobenzene Derivatives into Organogels and Photoresponsive Liquid Crystals
Hwang et al. Supramolecular discotic liquid crystals from wedge‐shaped diacetylenes and their polymerization
Lecommandoux et al. Synthesis and self‐organization of rod–dendron and dendron–rod–dendron molecules
Concellón et al. Photoresponsive polymers and block copolymers by molecular recognition based on multiple hydrogen bonds
Lee et al. Synthesis of a polymerizable discotic liquid crystalline compound with a 1, 3, 5-triazine core
Tian et al. Photocrosslinkable liquid‐crystalline block copolymers with coumarin units synthesized with atom transfer radical polymerization
Boiko et al. Kinetically controlled phase transitions in liquid‐crystalline polymers. III. Influence of the molecular weight and annealing temperature on two‐dimensional K phase formation in a side‐chain polyacrylate
He et al. Synthesis and photoresponsive behavior of azobenzene‐containing side‐chain liquid crystalline diblock polymers with polypeptide block
van Houtem et al. Desymmetrization of 3, 3′‐Bis (acylamino)‐2, 2′‐bipyridine‐Based Discotics: The High Fidelity of Their Self‐Assembly Behavior in the Liquid‐Crystalline State and in Solution
Li et al. Influence of main chain on the phase behaviors of side‐chain liquid‐crystalline polymers with triphenylene mesogens of long alkyl tail substituents
Hu et al. Side‐chain cholesteric liquid‐crystalline elastomers derived from smectic crosslinking units: Synthesis and phase behavior
Murali et al. Photoactive, liquid‐crystalline, hyperbranched benzylidene polyesters: Synthesis and characterization
Xu et al. Hydrogen bond‐directed self‐assembly of peripherally modified cyclotriphosphazenes with a homeotropic liquid crystalline phase
Hoyle et al. Efficient polymerization of a semi-fluorinated liquid crystalline methacrylate
Yu et al. Room-temperature triphenylene-based discotic liquid crystal dimers: effects of amide linkage and central fluoromethylene spacer
Galina et al. Liquid‐crystalline epoxy resins
Lee et al. Molecular ordering of photoreactive nonmesogenic 1, 3, 5-triazine compounds into columnar mesophases by charge transfer interaction
Chen et al. Synthesis and properties of polyacetylenes with directly attached bis (4‐alkoxyphenyl) terephthalate mesogens as pendants
Liu et al. Synthesis and characterization of novel liquid‐crystalline copolymers containing thermally stable photochromic groups
Bhowmik et al. Main‐chain, thermotropic, liquid‐crystalline, hydrogen‐bonded polymers of 4, 4′‐bipyridyl with aliphatic dicarboxylic acids
Sandhya et al. New liquid‐crystalline poly (ester amide) s: The role of nitro groups in the phase behavior