Manufacture of Partially Biodegradable Composite Materials Based on PLA-Tires Powder: Process and Characterization | Zendy

Carlos Rolando RíosSoberanis | Zendy; Shuchi Wakayama | Zendy; Takenobu Sakai | Zendy; Jose Rodriguez-Laviada | Zendy; Emilio PérezPacheco | Zendy

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Manufacture of Partially Biodegradable Composite Materials Based on PLA-Tires Powder: Process and Characterization

Author(s) -

Carlos Rolando RíosSoberanis,

Shuchi Wakayama,

Takenobu Sakai,

Jose Rodriguez-Laviada,

Emilio PérezPacheco

Publication year - 2013

Publication title -

international journal of polymer science

Language(s) - English

Resource type - Journals

eISSN - 1687-9430

pISSN - 1687-9422

DOI - 10.1155/2013/514951

Subject(s) - materials science , polylactic acid , composite material , thermogravimetric analysis , elastomer , differential scanning calorimetry , scanning electron microscope , natural rubber , composite number , dynamic mechanical analysis , izod impact strength test , thermosetting polymer , polymer , ultimate tensile strength , chemical engineering , physics , engineering , thermodynamics

This research work focuses on the processability and mechanical characterization of blends of polylactic acid (PLA) and tire (elastomeric part). Wasted tires used as filler in the PLA matrix were reduced by two different processes (thermal shock and pyrolysis) in order to acquire the solid residuals in powder to be characterized and compared. Elastomeric solids obtained from scraped tires were used as filler in the PLA matrix and mixed in a Brabender 60 cc mixer at different concentrations ranging from 0% to 60% of filler volume fraction. The blend was laminated, and then samples were obtained in order to undertake mechanical properties at tension and Izod impact tests. A fully detailed analysis on the solid powders by Differential Scanning Calorimeter (DSC), thermogravimetric analysis (TGA), infrared analysis (IR), and scanning electron microscopy analysis (SEM) identified them as a rich source of carbon. Blends were characterized thermally and mechanically showing a direct effect due to the tire nature (thermoset rubber) and concentration. Fracture mechanisms were also identified

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