The aim of this study is to reduce electrostatic charge (ESC) generated from the walking of rubber shoes on epoxy floor. Aluminium (Al) mesh of different sizes has reinforced the epoxy, where the effect on the generation of the electrostatic charge (ESC) when slid against rubber is investigated. Tests have been carried out at dry, water and detergent wet sliding. It was found that, as the mesh size of Al screen reinforcing epoxy increased, friction coefficient increased due the increase of adhesion between epoxy and rubber. This behavior can be explained on the basis of generation of double layer of ESC on the two sliding surfaces. Once charged, the two surfaces attract each other. The double layer of ESC generated on the sliding surfaces would increase the adhesion force acting between the two sliding surfaces and causing significant increase in friction coefficient. Presence of Al screen would equalize ESC generated on the surfaces and decrease the adhesion between the two sliding surfaces.
Ali et al. (Tue,) studied this question.
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