Abstract

In hindsight, the utilisation of epoxidised natural rubber (ENR) in latex-based products is restricted due to the inability of ENR latex to form a thin-walled film via the coagulant dipping process. However, with the advent of ENR having higher total solids content (TSC) after concentration by means of membrane technology followed by compounding of the ENR latex, typical properties such as TSC, pH, particle size, zeta potential and viscosity were attainable. Results were satisfactory and suitable for latex dipping applications and passed the distinctive compounded latex properties. ENR latex has also been exploited in water-based adhesive applications such as wallpaper adhesives and two stationery adhesives, which exhibited good adhesion and holding power properties. Feasibility of ENR latex as an alternative natural-based material for polymer foams and paint is also outlined.

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