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New poly(amide-imide)s containing cinnamoyl and azobenzene groups

 
: Hamciuc, E.; Sava, I.; Bruma, M.; Köpnick, T.; Schulz, B.; Sapich, B.; Wagner, J.; Stumpe, J.

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8th International Symposium on Polymers for Advanced Technologies, PAT 2005. Selected papers : Budapest, 13-16 September 2005
Chichester: Wiley & Sons, 2006 (Polymers for advanced technologies 17.2006, Nr.9-10)
pp.641-646
International Symposium on Polymers for Advanced Technologies (PAT) <8, 2005, Budapest>
English
Conference Paper, Journal Article
Fraunhofer IAP ()

Abstract
Two new poly(amide-imide)s containing cinnamoyl and azobenzene units have been synthesized by direct polycondensation reaction of two diacids having cinnamoyl units and a diamine incorporating azobenzene group, using triphenyl phosphite and pyridine as condensing agents. The polymers were readily soluble in various organic solvents and gave thin films by casting from such solutions. They showed good thermal stability. A highly anisotropic optical film was fabricated by irradiation with linearly polarized light and its stability was studied.

: http://publica.fraunhofer.de/documents/N-59564.html