NDLI: Photothermal and morphological characterization of PLA/PCL polymer blends

Content Provider	Springer Nature Link
Author	Correa Pacheco, Z. N. Jiménez Pérez, J. L. Sabi, M. A. Cruz Orea, A. Loaiza, M.
Copyright Year	2015
Abstract	Nowadays, some synthetic polymers have been replaced by biodegradable polymers in order to avoid environmental contamination. Among these biodegradables polymers, aliphatic polyesters such as polylactic acid (PLA) and polycaprolactone (PCL) have been widely used. In the present study, solvent-casting films of PLA, PCL and polymer blends with and without compatibilizer (PLA grafted with maleic anhydride) were prepared. The thermal diffusivity (α) of each sample was obtained by using the open photoacoustic cell technique. Morphology and thermal properties were determined by using scanning electron microscopy, transmission electron microscopy and differential scanning calorimetry (DSC), respectively. The blends showed lower thermal diffusivity compared to pure polymers. However, when the compatibilizer was used, the highest value of thermal diffusivity was obtained. Also, cold crystallization with the highest value of enthalpy of fusion was observed for the compatibilized sample, which was revealed by DSC. To our knowledge, this is the first time that the thermal diffusivity of these biodegradable polymer blends is reported.
Starting Page	1323
Ending Page	1329
Page Count	7
File Format	PDF
ISSN	09478396
Journal	Applied Physics A
Volume Number	120
Issue Number	4
e-ISSN	14320630
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2015-07-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Condensed Matter Physics Optical and Electronic Materials Nanotechnology Characterization and Evaluation of Materials Surfaces and Interfaces, Thin Films Operating Procedures, Materials Treatment
Content Type	Text
Resource Type	Article
Subject	Chemistry Materials Science

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