Publisher: Chemical Society of Nigeria

Effect of Chemically Modified Powdered Rubber Seed Shell As Filler On The Rheological, Tensile and Equilibrium Swelling Properties of Natural Rubber Compounds

L. O. Ekebafe, M. O. Ekebafe, F .a .o Akpa
KEYWORDS: Rubber seed shell, natural rubber, mercerization, acetylation, Benzonylation, peroxidation, vulcanizates.

ABSTRACT:

The effect of chemical modification of powdered Rubber seed shell reinforced natural rubber compounds has been studied. Compounds were prepared using filler treated with varying concentrations of sodium hydroxide solution, acetylating solutions and Benzoylation solutions and peroxide solutions respectively. The vulcanization parameters, processability conditions, tensile properties and swelling characteristics of these compounds were analyzed. The fiber reinforcing efficiency of the chemically treated compounds were compared with that of untreated compounds. Compounds containing chemically treated fillers were found to possess enhanced tensile properties at higher filler loading compared to the untreated, with peroxidated fillers showing optimum values.


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