Citation: ZHANG Huiqi, LI Chenxi, HUANG Wenqiang, YIN Shougen, WU Qiang, SONG Zhengji, HE Binglin. SYNTHESIS AND CHARACTERIZATI0N OF POLYMETHACRYLATES BEARING HETEROCYCLIC AZO GROUP AND MESOGENIC GROUP FOR NONLINEAR OPTICS[J]. Chinese Journal of Polymer Science, ;1998, 16(1): 38-47. shu

SYNTHESIS AND CHARACTERIZATI0N OF POLYMETHACRYLATES BEARING HETEROCYCLIC AZO GROUP AND MESOGENIC GROUP FOR NONLINEAR OPTICS

Received Date: 23 February 1997

The methacrylate monomers bearing mesogenic group and heterocyclicazo dye have been synthesized. The monomeric dye was copolymerized with the mesogenicmonomer using a free radical initiator to produce polymers useful for nonlinear optics. Themonomers and polymers were characterized by IR, 1H-NMR, and UV-Vis spectra. Theaverage molecular weight (Mw and Mn) of the polymers were determined by gel permeationchromatography. The thermal properties of the polymers such as thermal stability and phase transition behavior were studied by thermogravimetric analysis,differential thermal analysis,polarizing optical microscope and X-ray diffractometer.The results demonstrate that the synthesized polymers are crystalline polymers at room temperature and no liquid crystalline phases were observed for all of them.
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