A nonliquid crystal azobenzene polymer was prepared.The obtained films exhibit fast bending response at room temperature,which can improve the efficiency of the transformation of energy from light to mechanical energy.The surface structure of the relief gratings was investigated by atomic force microscopy.The depth of surface relief in a typical case is found to be around 94 nm.The product structures were characterize by UV light,1H NMR,AFM and Fourier transform infrared spectrum.
A new electroactive polyaryletherketone containing benzonitrile(EPEEK-CN) was synthesized from 2,6-difluorobenzonitrile,p-benzenediol and difluoromonomer containing phenyl-capped aniline tetramer segment,via ternary polycondensation.The obtained EPEEK-CN shows certain extent solubility in organic solvents,and its film casted from DMAc solution exhibits interesting electrical,mechanical and dielectric properties.
