Title :
Compared properties of azopolyimides
Author :
Sava, Ion ; Burescu, Ada ; BRUMA, Maria ; Resmerita, Ana-Maria ; Lisa, Gabriela ; Hurduc, Nicolae
Author_Institution :
Petru Poni Inst. of Macromolecular Chem., Iasi, Romania
Abstract :
Two series of aromatic polyimides containing side azobenzene groups have been synthesized by low-temperature solution polycondensation of certain aromatic dianhydrides with aromatic diamines containing preformed side azobenzene groups followed by chemical imidization at 100degC in the presence of pyridine and acetic anhydride. The resulting polyimides were studied by spectral methods (UV, IR) and thermal analysis.
Keywords :
infrared spectra; materials preparation; polymer solutions; polymerisation; thermal analysis; ultraviolet spectra; IR spectra; UV spectra; acetic anhydride; aromatic azopolyimide synthesis; aromatic dianhydrides; chemical imidization; low-temperature solution polycondensation; polymer solutions; pyridine anhydride; temperature 100 C; thermal analysis; Absorption; Argon; Geometrical optics; Liquid crystal polymers; Optical films; Optical filters; Optical polymers; Optical surface waves; Optical waveguides; Polyimides; azopolyimides; photochromic behaviour;
Conference_Titel :
Semiconductor Conference, 2009. CAS 2009. International
Conference_Location :
Sinaia
Print_ISBN :
978-1-4244-4413-7
DOI :
10.1109/SMICND.2009.5336707
