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

ZHANG Huiqi; LI Chenxi; HUANG Wenqiang; YIN Shougen; WU Qiang; SONG Zhengji; HE Binglin

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

Papers | Updated：2021-06-21

- SYNTHESIS AND CHARACTERIZATI0N OF POLYMETHACRYLATES BEARING HETEROCYCLIC AZO GROUP AND MESOGENIC GROUP FOR NONLINEAR OPTICS
- Vol. 16, Issue 1, Pages: 38-47(1998)
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- Published：20 March 1998
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ZHANG Huiqi, LI Chenxi, HUANG Wenqiang, et al. SYNTHESIS AND CHARACTERIZATI0N OF POLYMETHACRYLATES BEARING HETEROCYCLIC AZO GROUP AND MESOGENIC GROUP FOR NONLINEAR OPTICS[J]. 1998, 16(1): 38-47.
DOI：

ZHANG Huiqi, LI Chenxi, HUANG Wenqiang, et al. SYNTHESIS AND CHARACTERIZATI0N OF POLYMETHACRYLATES BEARING HETEROCYCLIC AZO GROUP AND MESOGENIC GROUP FOR NONLINEAR OPTICS[J]. 1998, 16(1): 38-47. DOI：

摘要

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.

Abstract

1H-NMR

differential thermal analysis

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