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Polymer Bulletin
Erschienen in: Polymer Bulletin 2/2012

01.01.2012 | Original Paper

Synthesis of poly(urethane-urea) varnish bearing azobenzene chromophoric pendants

verfasst von: Constantin Gaina, Viorica Gaina, Mariana Cristea

Erschienen in: Polymer Bulletin | Ausgabe 2/2012

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Abstract

A new diol with azoaromatic pendant was prepared by N-phenyl-4-amido-3,4-dichloromaleimide with 2-mercaptoethanol in the presence of NaOH, and used to obtain photosensible poly(urethane-urea) varnish. A poly(urethane-urea) varnish bearing azobenzene chromophores, based on a poly(ethylene adipate)diol (average molecular weight—2000), 4,4′-dibenzyldiisocyanate, diethylene glycol, trimethylolpropane, and afore-mentioned diol, were prepared and characterized. The polymers were characterized by FTIR spectroscopy, thermal analysis (DMA, DSC, and TGA), and the photochromic behavior by UV irradiation of thin films was discussed.
Vorheriger Artikel Synthesis and properties of novel donor–acceptor copolymers based on thiophene and squaraine moieties
Nächster Artikel Clay-reinforced semi-aromatic polyether-amide nanocomposites containing phosphine oxide moieties: synthesis and characterization

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Metadaten
Titel
Synthesis of poly(urethane-urea) varnish bearing azobenzene chromophoric pendants
verfasst von
Constantin Gaina
Viorica Gaina
Mariana Cristea
Publikationsdatum
01.01.2012
Verlag
Springer-Verlag
Erschienen in
Polymer Bulletin / Ausgabe 2/2012
Print ISSN: 0170-0839
Elektronische ISSN: 1436-2449
DOI
https://doi.org/10.1007/s00289-011-0543-7

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