The effect of type of rubber and kenaf loading on water absorption, impact properties and morphology of polylactic acid/rubber/kenaf biocomposite

Alias, Nur Fazreen; Ismail, Hanafi; Ishak, Ku Marsilla Ku

doi:10.1063/5.0016526

Cited by 1 publication

(1 citation statement)

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“…There are several factors that affected water absorption of the printed samples such as fraction of fiber, chemical composition and adhesion between filament layers during printing process. 25 The increment of kenaf loading resulted in higher water absorption content. This could be explained due to the hydrophilicity of kenaf fiber which contain hydroxyl groups on the fiber surface.…”

Section: Physical Propertiesmentioning

confidence: 98%

Fused deposition modelling of flexible kenaf fiber/thermoplastic polyurethane composites

Hanim

Shafiq

Hamid

et al. 2022

Progress in Rubber, Plastics and Recycling Technology

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This work explores the feasibility of fused deposition modelling (FDM) to produce kenaf fiber/thermoplastic polyurethane (TPU) composites. Internal mixer was used for mixing different weight percentage (0, 5 and 10 wt %) of kenaf fiber with TPU before being extruded to produce filament for FDM feed stock. Addition of kenaf fiber was found to give benefits on dimensional stability of the printed samples which is importance for its implementation in FDM. TPU filled with 10wt% of kenaf fibre showed improvements in hardness and Young modulus of 15% and 49%. However, the tensile strength, elongation at break and density of the printed samples decreased with increasing kenaf fiber loading. This could be explained due to increase of voids and porosity within the material and poor wettability between TPU matrix and kenaf fiber which is evidenced by SEM observation.

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Section: Physical Propertiesmentioning

confidence: 98%