الفهرس 
Classification of rubberOnly 14 pages are availabe for public view
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Abstract
The objective of this research is the utilization of waste tire rubber to get novel polypropylene composite materials of satisfactory properties to suit various applications.
Treatment of waste tire rubber particles is done by H2So4 to enhance the adhesion at the interface between the waste tire rubber particles and the PP matrix that affects the properties of resulted composites.
Optimum composition of the composite is selected by studying various rubber particles weight percentage 5%, 10%, 20%, 30%, 40% and 50% and by using different rubber particle sizes.
The physical properties such as water absorption and mechanical properties such as bending strength, elastic modulus, compressive yield strength, hardness and impact strength are studied for the PP-waste tire rubber particles composites and the optimum composition of the composite is selected to suit certain engineering application. Also, dimensional stability of composite of the highest impact strength is studied.
Investigation of the fracture surface of the specimen is done using SEM to evaluate the interface between rubber particles and polypropylene.