Morphological Study Using Optical Microscope Of Natural Rubber With Modified Tapioca Starch After Soil Burial Test

Khozari, Nur Jannah (2017) Morphological Study Using Optical Microscope Of Natural Rubber With Modified Tapioca Starch After Soil Burial Test. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Currently, an automotive industry has a strong demand for the natural rubber. The natural rubber are need to be improved with the modification of their properties. The study is focuses on the “Morphological Study Using Optical Microscope of Natural Rubber (NR) with Modified Tapioca Starch (TS) after Soil Burial Test”. Tapioca starch is used as organic based filler of natural rubber and as a primary matrix material by using best formulation in search of improvement their physical and mechanical properties. This research is to study the effect of Tapioca Starch (TS) loading on the properties of Natural Rubber (NR) as to establish the best formulation of the Biodegradable Natural Rubber (NR) composite with morphological study. The filler loading was varied from 0-60 phr. The composition was fabricated into this sheet using a hot compression molding machine. The environmental properties were determined through soil burying test. The soil burying test were differences in 7, 14, 21, 30 and 60 days of burying. The morphology of the samples was observed under optical microscope. In other hand to prove the degradation process is with measuring the thickness reduction and weight reduction of samples. The increasing of tapioca starch content had significantly increased the degradation of produced composite. In overall, all the listed research objectives were effectively reached from this earliest research with the range of degradation for NR-TS (60) of composition is 0.005 mm2 in the 7 days of burial test until 0.069 mm2 in the 60 days of burial test.

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