Dynamic mechanical properties and ageing studies of coir-sisal yarn reinforced polypropylene commingled composites

This work investigates the dynamic mechanical properties (DMA) and ageing behavior of coir-sisal yarn reinforced polypropylene commingled composites. Moreover, the fibres were subjected to various chemical treatments and their effects on DMA and ageing studies were investigated. DMA reveals that the...

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Bibliographic Details
Published in:Polymers & polymer composites 2023-12, Vol.31
Main Authors: Anil, Arya, E, Tomlal Jose, George, Gejo
Format: Article
Language:English
Subjects:
Aging
Chemical treatment
Coir
Composite materials
Damping
Dynamic mechanical properties
Loss modulus
Mechanical properties
Polymers
Polypropylene
Radiation
Sisal
Solvents
Tensile strength
Viscoelasticity
Yarn
Yarns
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Summary:This work investigates the dynamic mechanical properties (DMA) and ageing behavior of coir-sisal yarn reinforced polypropylene commingled composites. Moreover, the fibres were subjected to various chemical treatments and their effects on DMA and ageing studies were investigated. DMA reveals that the chemical treatment, especially MAPP treatment, enhances the storage and loss modulus values on the other hand it diminishes the mechanical damping coefficient (tan δ) of the composite. Diffusion studies indicates that treated composites shows a much lower apparent percentage weight gain compared to other treated ones. Solar ageing studies shows that accelerated solar ageing deteriorated tensile strength and modulus of PP/coir-sisal yarn composite.
ISSN:0967-3911
1478-2391
DOI:10.1177/09673911221150145