Specifications Table

Subject area	Materials Science
More specific subject area	Polymers and Plastics
Type of data	Figure, Table and image (microscopy)
How data was acquired	Scanning Electron Microscopy (SEM) (SEM JEOL 6300 and JEOL-JSM-6500 F). Atomic force microscopy (AFM) (Nanosurf easyscan 2 AFM/STM).
Data format	Raw and analyzed
Experimental factors	The samples were dried at 40 °C for 24 h and then coated with an Au–Pd thin film. For SEM, samples were sputter coated with Au–Pd for 30 s on a Quorum Q150T ES sputter coater system.
Experimental features	Virgin or recycled PET/PLA, Virgin or recycled PET/Chitosan filaments were analyzed by their morphological and topographical features.
Data source location	Centro de Investigación en Ciencia Aplicada y Tecnología Avanzada (CICATA) IPN Unidad Altamira, Tamaulipas, México. CSIC-Centro Nacional de Investigaciones Metalúrgicas (CENIM), Madrid, Spain.
Data accessibility	Data are with the article.
Related research article	A.M. Torres-Huerta, D. Palma-Ramírez, M.A. Domínguez-Crespo, D. Del Angel-López, D. de la Fuente. Comparative assessment of miscibility and degradability on PET/PLA and PET/chitosan blends, European Polymer Journal 61 (2014) 285–299[1].