Structure and properties of blend films prepared from castor oil-based polyurethane/soy protein derivative / Dagang Liu in Industrial & engineering chemistry research, Vol. 47 N° 23 (Décembre 2008)  

Public ISBD [article]  inIndustrial & engineering chemistry research > Vol. 47 N° 23 (Décembre 2008) . - p. 9330–9336 Titre : Structure and properties of blend films prepared from castor oil-based polyurethane/soy protein derivative Type de document : texte imprimé Auteurs : Dagang Liu, Auteur ; Huafeng Tian, Auteur ; Lina Zhang, Auteur Année de publication : 2009 Article en page(s) : p. 9330–9336 Note générale : Chemistry engineering Langues : Anglais (eng) Mots-clés : Blend films Castor oil-based polyurethane Soy protein Résumé : We successfully prepared a series of transparent blend films from castor oil-based polyurethane (PU) and p-phenylene diamine soy protein (PDSP). The miscibility, morphology, and properties of the blend films were investigated with Fourier transform infrared spectroscopy, differential scanning calorimetry, dynamic mechanical thermal analysis, scanning electron microscopy, moisture adsorption, thermal degradation, and tensile testing. The results revealed that the PDSP exhibited certain miscibility with PU varied its content from 10 to 80 wt % and also showed the strong hydrogen-bond and chemical cross-linking interactions lied between PU and PDSP. With an increase in the PU content, the elongation at break, thermal stability, and water resistance were improved whereas the tensile strength and Young’s modulus decreased. It is worth noting that modified soy protein could be blended with hydrophobic polyurethane to obtain the blend films having good mechanical properties and optical transmittance. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie8009632 [article] Structure and properties of blend films prepared from castor oil-based polyurethane/soy protein derivative [texte imprimé] / Dagang Liu, Auteur ; Huafeng Tian, Auteur ; Lina Zhang, Auteur . - 2009 . - p. 9330–9336. Chemistry engineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 47 N° 23 (Décembre 2008) . - p. 9330–9336 Mots-clés : Blend films Castor oil-based polyurethane Soy protein Résumé : We successfully prepared a series of transparent blend films from castor oil-based polyurethane (PU) and p-phenylene diamine soy protein (PDSP). The miscibility, morphology, and properties of the blend films were investigated with Fourier transform infrared spectroscopy, differential scanning calorimetry, dynamic mechanical thermal analysis, scanning electron microscopy, moisture adsorption, thermal degradation, and tensile testing. The results revealed that the PDSP exhibited certain miscibility with PU varied its content from 10 to 80 wt % and also showed the strong hydrogen-bond and chemical cross-linking interactions lied between PU and PDSP. With an increase in the PU content, the elongation at break, thermal stability, and water resistance were improved whereas the tensile strength and Young’s modulus decreased. It is worth noting that modified soy protein could be blended with hydrophobic polyurethane to obtain the blend films having good mechanical properties and optical transmittance. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie8009632

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