Citation: ZHANG Suyuan, BI Siwei, XIE Ping, ZHANG Rongben. SYNTHESIS AND CHARACTERIZATION OF AZO TYPE SIDE CHAIN LIQUID CRYSTALLINE POLYSILOXANE[J]. Chinese Journal of Polymer Science, ;1991, 9(3): 195-202. shu

SYNTHESIS AND CHARACTERIZATION OF AZO TYPE SIDE CHAIN LIQUID CRYSTALLINE POLYSILOXANE

Received Date: 21 January 1990

A novel side chain liquid crystalline polymer (SCLCP) combining the polysiloxane as main chain with azo-based mesogen moieties as side chain through a flexible spacer has been synthesized by the hydrosilylation reaction using Cp2PtCl2 as catalyst. The phase transition behavior of both side chain monomer (AZO-C6C11)and polymer (P-AZO-C6C11)has been characterized via combination of hot-stage polarized microscope, DSC and X-ray diffraction methods (including temperature-variation and quenching techniques).As normal,the transition process inchuded K→S→N→I.Some pretransition features have been observed.
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