Sodium dodecyl sulfate (SDS) as afiller treatment: effects on mechanical,morphological and swelling properties ofpoly (vinyl chloride) (PVC)/epoxidized naturalrubber (ENR)/kenaf core powder composites

摘要

The effects of SDS treatment on properties of PVC/ENR/kenaf core powder composites were studied.Four different loadings of kenaf core powder (5, 10, 15 and 20 phr) were used. Samples were preparedusing a Haake Polydrive with the temperature of 140 ℃ and rotor speed of 50 rpm, with the processingtime of 8 min. Processing torque and stabilization torque during the compounding process wererecorded. Tensile properties indicated that the tensile strength and elongation at break of the compositesexhibited an increase for samples with SDS treatment. Morphological analysis using SEM showedbetter interfacial adhesion of kenaf fibre with SDS treatment with less kenaf powder agglomeration.Furthermore, swelling index indicated that the composites with SDS treatment show lower absorptionof solvent compared to composites without SDS treatment.