Banca de DEFESA: MATHEUS RODRIGUES DA SILVA BARBOSA

Uma banca de DEFESA de MESTRADO foi cadastrada pelo programa.
STUDENT : MATHEUS RODRIGUES DA SILVA BARBOSA
DATE: 27/03/2024
TIME: 13:00
LOCAL: Programa de Pós-Graduação em Ciência de Materiais
TITLE:

Thermal and physical-chemical study of the polymer polycaprolactone (pcl) under the influence of licuri oil (syagrus coronata) in natura.

KEY WORDS:

Biodegradable polymers. Poly (ɛ-caprolactone). Licuri Vegetable Oil.

PAGES: 69
BIG AREA: Outra
AREA: Multidisciplinar
SUMMARY:

The increase in the accumulation of plastic waste in landfills, water bodies and islandareas, resulting in the contamination of wildlife and vegetation, has driven extensiveresearch into biodegradable materials as replacements for traditional syntheticpetroleum derivatives. Biodegradable polymers, notably PCL (Poly (ɛ-caprolactone)), emerge as promising alternatives under constant research, aiming to rival petroleum- based polymers in the near future. In the present study, PCL, a synthetic aliphaticpolyester derived from the polymerization of caprolactone, was explored for its thermal and physicochemical properties under the influence of in natura Licuri oil. The internal mixture of materials was subjected to comprehensive analyses, includingPseudo-Avrami, Thermogravimetric Analysis (TGA), Fourier TransformMidInfrared (FTIR), Differential Scanning Calorimetry (DSC) and Scanning ElectronMicroscopy (SEM). The results, obtained through analyzes such as Principal Component Analysis (PCA) and the Fityk program, revealed a notable homogeneityin the morphology of the polymer and its additives. Furthermore, the thermal properties, in particular the maximum degradation temperatures, exhibitedaremarkable similarity between the polymer and its additives. Therefore, it is suggestedthat these analyzes be considered as effective tools in the characterization of materials related to polymer properties, providing a deeper understanding and eficienteapplication of them in future processes.

COMMITTEE MEMBERS:
Externa à Instituição - ANNA RAFFAELA DE MATOS COSTA - UA
Interno - 2457389 - EDUARDO PADRON HERNANDEZ
Presidente - 1283002 - YEDA MEDEIROS BASTOS DE ALMEIDA