Degradation Of Tensile Properties Of Natural Rubber (NR) Composite And Tapioca Starch (TS) Under Soil Burial Test

Mohd Safeai, Nur Maizatul Nadia (2016) Degradation Of Tensile Properties Of Natural Rubber (NR) Composite And Tapioca Starch (TS) Under Soil Burial Test. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Nowadays, strong international demand for natural rubber is driving expansion of industrial-scale and automotive industry. Due to unstable properties of Natural Rubber (NR), the modification of their properties are necessary to improve. This study is focused on the “Degradation of Tensile Properties of Natural Rubber (NR) Composite and Tapioca Starch(TS) under Soil Burial Test”. Tapioca Starch (TS) is used as organic based filler for Natural Rubber (NR) and as a primary matrix material by using based formulation in search of improvement their physical and mechanical properties. The main objective of this research is to study the effect of Tapioca Starch loading on the properties of Natural Rubber as to establish the best formulation of the Biodegradable Natural Rubber (NR) composite. The filler loading was varied from 0-60 phr. The compositions were fabricated into thin sheets using a hot compression molding machine. The compound then will undergo a few testing includes of tensile testing and cure characteristic to determine both physical and mechanical properties. The environmental properties were determined through soil burying test and thickness swelling test. The morphology of the samples was observed under optical microscope. The increasing of tapioca starch (TS) content had significantly increased the degradation and swelling thickness of produced composite. In overall, all the listed research objectives were successfully achieved from this preliminary research.

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