Electrical properties of natural rubber reinforced Tin Dioxide Nanocomposites with different filler 98 loading for electrical insulators

Azman, Muhammad Luqman (2022) Electrical properties of natural rubber reinforced Tin Dioxide Nanocomposites with different filler 98 loading for electrical insulators. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The main objective of this study is on the electrical properties of Natural Rubber (NR) reinforced Tin Dioxide (SnO2). Tin Dioxide (SnO2) is an inorganic-based filler that is used when the melt compounding process is utilised for Natural Rubber (NR). Tin Dioxide was selected for use as a conducting agent for the electrical properties of natural rubber due to the properties it has that enable it to do so. The primary purpose of this is to determine the composition of Tin Dioxide that is most effective when combined with Natural Rubber. A few tests will be performed on the compound to identify its properties, including insulation resistance or conductance determination, volume resistance or conductance determination, surface resistance or conductance determination, and liquid insulation resistance. Because insulation resistance or conductance is a combination of volume and surface resistance or conductance, its measured value is most useful when the test specimen and electrodes are the same shape as required in actual use. Surface resistance or conductance changes quickly with humidity, whereas volume resistance or conductance changes gradually, though the final change may be greater. Under optical microscope, the structure of the compound will be analysed for its morphology. The combination of Natural Rubber compound and Tin Dioxide based on 100 phr of the natural rubber (NR) SMR-20 and different proportions of tin dioxide (SnO2) at 0 per hundred rubber (phr), 0.5 phr, 1 phr,3 phr, and 7 phr was found to be the best compounding formulation for the fabricated compound. All of those rubberbased formulations called for the same amount of curing additives, which were as follows: 2.5 phr of sulphur (s), 5 phr of zinc oxide (Zn0), 2 phr of stearic acid, 1 phr of tetraethyl thiuram disulphate (TMTD), and 1 phr of 6PPD.

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