ChansonRolandV6, Main, Exploration, bibRecord, 000568

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

Identifieur interne : 000568 ( Main/Exploration ); précédent : 000567; suivant : 000569

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

Auteurs : Constantin Gaina [Roumanie] ; Viorica Gaina [Roumanie] ; Mariana Cristea [Roumanie]

Source :

Polymer Bulletin [ 0170-0839 ] ; 2012.

RBID : ISTEX:0FB98CDEBE9ED6F4BB22D359E3D6D12F29086909

English descriptors

Teeft :
- Aromatic proton, Azobenzene, Azobenzene chromophore, Azobenzene side group, Azobenzene unit, Chain extender, Chem, Chromophore, Contact angle, Contact angle measurement, Diethylene glycol, Dynamic contact angle, External structure, Gaina, Glass plate, Glass storage modulus, Glass transition, Glass transition temperature, Heating rate, Height image, Imidic monomer, Literature procedure, Maleimide, Maleimide chromophore, Modulus, Monomer, Nonlinear optical property, Onset temperature, Polym, Polym mater, Polymer, Polymer film, Polymeric material, Polyurethane, Polyurethane film, Pure appl chem, Room temperature, Soft segment, Storage modulus, Substitution reaction, Surface roughness, Vacuum oven, Varnish, Weight ratio.

Abstract

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.

Url:

https://api.istex.fr/ark:/67375/VQC-DGM5TKTD-W/fulltext.pdf

DOI: 10.1007/s00289-011-0543-7

Affiliations:

Roumanie

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Le document en format XML

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<front><div type="abstract" xml:lang="en">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.</div>
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Synthesis of poly(urethane-urea) varnish bearing azobenzene chromophoric pendants

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

Source :

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri