Titre :

Quaternary ammonium-functionalized polymers in biodegradable matrices: Physicochemical properties, morphology, and biodegradability

Auteur(s) :

Belkhir, Kedafi [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Jegat, Corinne [Auteur]
Ingénierie des Matériaux Polymères [IMP]
Prochazka, Frédéric [Auteur]
Ingénierie des Matériaux Polymères [IMP]
Taha, Mohamed [Auteur]
Ingénierie des Matériaux Polymères [IMP]
Jegat, Corinne [Auteur]

Titre de la revue :

Journal of Applied Polymer Science

Nom court de la revue :

J. Appl. Polym. Sci.

Numéro :

134

Pagination :

45261

Éditeur :

Wiley

Date de publication :

2017-05-30

ISSN :

0021-8995

Discipline(s) HAL :

Chimie

Résumé en anglais : [en]

Quaternary ammonium-functionalized polymers (QAFPs) based on branched structures of poly(lactic acid) (PLA) and polycaprolactone (PCL) were blended with neat matrices of PLA and PCL to improve their processability in the ...
Lire la suite >Quaternary ammonium-functionalized polymers (QAFPs) based on branched structures of poly(lactic acid) (PLA) and polycaprolactone (PCL) were blended with neat matrices of PLA and PCL to improve their processability in the melt phase at 160 °C. Different formulations were prepared by varying the proportions of the components of the blends (0, 10, 20, 50, and 60 wt % of QAFP). The rheological behavior of each component and their blends was studied at 160 °C and dynamic mechanical analyses were carried out. The thermal properties of the matrices were also investigated by thermogravimetric analyses and differential scanning calorimetry; they were found to be affected by the presence of QAFPs within them. All the studied blends had a dispersed morphology, highlighted by scanning electron microscopy. The water contact angle of the blends was studied and showed that the hydrophilicity of the surfaces of the blends increased by increasing their QAFP content. The biodegradability of both the components and the blends was investigated: a decrease of the biodegradation kinetics was observed due to the presence of the quaternary ammonium groups, but the materials remain biodegradable.Lire moins >

Langue :

Anglais

Comité de lecture :

Oui

Audience :

Internationale

Vulgarisation :

Non

Établissement(s) :

Université de Lille
CNRS
INRA
ENSCL

Collections :

• Autres travaux scientifiques

Date de dépôt :

2021-11-02T15:35:49Z
2021-11-05T08:00:30Z
2021-11-08T10:06:01Z
2021-11-08T10:16:25Z