The Importance of Coupling Agent on Tensile and Thermomechanical Performance of Annealed Composites Based on Poly(Lactic Acid)/Poly(Methyl Methacrylate) Matrix and Sisal Fiber Bundles
Ikusi/ Ireki
Data
2021-04-22Egilea
Orue Mendizabal, Ander
Anakabe Onaindia, Jon
Zaldua Huici, Ane Miren
Eceiza Mendiguren, María Aranzazu
Arbelaiz Garmendia, Aitor
Journal of Natural Fibers 19(13) : 6324-6334 (2022)
Laburpena
The main aim of this work is to study the importance of the coupling agent
on tensile and thermomechanical performance of annealed composites
based on poly (lactic acid)/poly (methyl methacrylate) matrix and sisal fiber
bundles. As coupling agent poly (styrene-co-glycidyl methacrylate) copolymer
was used. Results obtained in the current study suggested that the
presence of the copolymer is crucial to form a strong adhesion between
the fibers and polymeric matrix and consequently to improve both thermomechanical
performance and tensile properties after annealing process. It
must highlight that the estimated heat deflection temperature (HDT) of
annealed composite with 40 wt% of fiber increased around 40 ºC respect
to respect to commercial neat PLA.