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(Chin.J.Polym.Sci.) Polysiloxane Side-chain Liquid Crystalline Polymers Prepared by Alkyne Hydrosilylation
作者:Wen Zhao, Bao-ping Lin, Xue-qin Zhang, Ying Sun and Hong Yang*
關(guān)鍵字:LCP
論文來源:期刊
具體來源:Chinese Journal of Polymer Science, 2015, 33, 1431-1441
發(fā)表時(shí)間:2015年
We describe in this work an alkyne-hydrosilylation approach to synthesize a series of novel polysiloxane sidechain
LCPs attaching end-on or side-on mesogenic side groups. Their properties are characterized by NMR, FTIR, gel
permeation chromatography, thermogravimetric analysis, differential scanning calorimetry, polarized optical microscopy and small-angle X-ray scattering. These obtained alkenylsilane linked novel LCPs exhibit higher glass transition temperatures and clearing points, and especially display the tendency of forming smectic phases, in strong contrast with the nematic phases of their comparative conventional alkylsilane linked analogues, which manifests more rigid features of the alkenylsilane linkages and their significant influence on the mesomorphic properties.
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