Effect of various loading of treated clam shells (tCS-CaCO3) filled acrylonitrile butadiene rubber (NBR) composite on cure characteristics, physical and mechanical properties / Nur Aliyyah Yunus

Yunus, Nur Aliyyah (2020) Effect of various loading of treated clam shells (tCS-CaCO3) filled acrylonitrile butadiene rubber (NBR) composite on cure characteristics, physical and mechanical properties / Nur Aliyyah Yunus. Degree thesis, Universiti Teknologi Mara Perlis.

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Abstract

Clam Shells treated silane coupling agent reinforced nitrile butadiene rubber composites were successfully prepared by incorporation of different loadings of clam shells on its cure characteristics, physical and mechanical properties. Meanwhile, clam shell (CS) and calcium carbonates (CaCO3) were characterized by using the fourier transform infrared (FTIR). From this FTIR result, it was showed that there was same functional group between the CS and CaCO3. The curing characteristics of the composites on optimum cure time (Tc90) were determined which the higher filler loading of tCS-CaCO3 resulted in higher cure time and it were vulcanized at 1500C using hot press. Furthermore, the mechanical properties of the NBR composites such as tensile strength had optimum value 4.736 MPa, while for the elongation at break the optimum value was 614.747 %. Both mechanical properties was increased by increasing the amount of filler loading. Other than that, for the hardness, swelling percentage (%), crosslink concentration (g/mol) and density (g/cm3) were studied which gave value of 51.4, 3.64%, 1.68 (g/mol) and 1.28 g/cm3. The good dispersion of clam shells and nitrile rubber were enhanced by treated of silane coupling agent (Si-69) that had been added in rubber composites. The presence of coupling agent also gave good curing time as well as enhanced the mechanical and physical properties of NBR composites.

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Item Type: Thesis (Degree)
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Yunus, Nur Aliyyah
2017413078
Subjects: Q Science > QD Chemistry > Organic chemistry > Polymers. Macromolecules
Divisions: Universiti Teknologi MARA, Perlis > Arau Campus > Faculty of Applied Sciences
Item ID: 34250
Uncontrolled Keywords: Clam Shells (tCS-CaCO3) ; Acrlonitrile Butadiene Rubber (NBR) ; Cure Characteristics ; Physical ; Mechanical Properties
URI: https://ir.uitm.edu.my/id/eprint/34250

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