NDLI: Preparation and Properties of New Thermoplastic Elastomer Based on Ethylene Vinyl Acetate ( Eva ) / Natural Rubber

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Preparation and Properties of New Thermoplastic Elastomer Based on Ethylene Vinyl Acetate ( Eva ) / Natural Rubber

Content Provider	Semantic Scholar
Author	Kong, Yong Ariff, Mohamad
Copyright Year	2014
Abstract	Preparation and properties of new thermoplastic elastomer (TPE’s) based on ethylene vinyl acetate (EVA)/ natural rubber blends were examined. Mixing torque, morphology, tensile properties, swelling as well as thermal properties such as thermogravimetric study and thermo-oxidative aging were evaluated. In the first part of investigation, two series of unvulcanized blend namely, ethylene vinyl acetate/ natural rubber blends (EVA/SMR L) and ethylene vinyl acetate/ epoxidized natural rubber blends (EVA/ENR-50) were prepared and a comparative study on the effect of blend ratio on the properties of TPE was carried out. In the second part of studies, the effect of compatibilizer, i.e. polyethylene acrylic acid (PEA) or ENR-50 on properties of EVA/SMR L blend (50:50 wt/wt) were investigated. The effect of dynamic vulcanization on the properties of EVA/SMR L blend was also investigated. The experimental results indicated that mixing torque values in TPE with ENR-50 blends are lower than with SMR L blends. The processing efficiency of EVA/ENR-50 blends is better due to less viscous nature of the blend compared to EVA/SMR L blend as indicated in stabilization torque graph. For the compatibilized blend, EVA/SMR L blend with PEA displayed lower mixing torque value than ENR-50 in EVA/SMR L blend. The lubricant effect from PEA resulted
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://eprints.usm.my/29345/1/Preparation_and_properties_of_new_thermoplastic_elastomer.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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