Improving PLA ductility using only 0.05% of CNTs and 0.25% of an azo-dye

The high brittleness of poly(lactic acid) (PLA) is a major drawback for many applications. In this work we develop a new highly ductile PLA composite using carbon nanotubes (CNTs) and the azo-dye disperse orange 3 (DO3). Increments up to almost an order of magnitude in strain at break and tensile to...

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Detalles Bibliográficos
Autores principales: Ribba, L., Goyanes, S.
Formato: JOUR
Materias:
Carbon nanotubes
Disperse orange 3
Mechanical properties
Poly(lactic acid)
Strain at break
Tensile toughness
Azo dyes
Carbon
Citrus fruits
Fracture mechanics
Lactic acid
Nanotubes
Strain
Toughness
Yarn
Poly lactic acid
Polylactic acids
Spatial conformation
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_0167577X_v182_n_p94_Ribba
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
Descripción
Sumario:The high brittleness of poly(lactic acid) (PLA) is a major drawback for many applications. In this work we develop a new highly ductile PLA composite using carbon nanotubes (CNTs) and the azo-dye disperse orange 3 (DO3). Increments up to almost an order of magnitude in strain at break and tensile toughness were achieved with the addition of only 0.05% of CNTs and 0.25% of DO3 respect to the polymer. This important improvement is explained in terms of a new spatial conformation of PLA chains due to the addition of DO3 and CNTs. © 2016 Elsevier B.V.

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