Study on Hydrogen-Bonded Side-Chain Polymers Containing Pyridine Moieties
在實驗中先將含有pyridine環（stilbazole）之起始物接上spacer段,然後再接壓克力基而完成側鏈型液晶單體,最後再將此液晶單體聚合成side-chain polymer之型式,與含有benzoic acid之單體及polymer形成氫鍵鍵結,對於以單體對單體,單體對polymer及polymer對polymer三種氫鍵鍵結型式之相轉移溫度做性質上的比較,另外針對stilbazole在氮原子方位（對位及間位）和碳數長短（C6及C10）的改變而對液晶性質之影響作個別的探討,最後再經由DSC及Powder XRD來驗證之。|
ABSTRACT The using of hydrogen bond to build supramolecular complexes for novel liquid crystalline materials have been widely developed recently. The complexes are built by two different constituents, one as the proton donor and the other as the proton acceptor. The ease of tuning supramolecular structures made the materials to be a potential candidate for the use in the optoelectronic devices. This research is mainly to investigate the synthesis and characterization of H-bonded side-chain liquid crystalline polymers. Benzoic acid and stilbazole units were connected to the spacer, and then they were attached to the polymerizable group (i.e. acryloyl). The monomer/monomer, polymer/monomer, polymer/polymer complexes were studied; hence, the influence of the polymer backbone can be clearly studied. Moreover, the influence of angular bending and spacer length on physical properties are also studied and all are characterized by DSC and Powder XRD.
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