The degradation study of PVC/ABS and PVC/ABS/Carbon blends during repeated extrusion on mechanical and thermal properties

Abu Bakar, Muhyiaddin Abdul Qadir (2014) The degradation study of PVC/ABS and PVC/ABS/Carbon blends during repeated extrusion on mechanical and thermal properties. Masters thesis, Universiti Teknikal Malaysia Melaka.

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Abstract

The degradation effects on numbers of extrusion of PVC/ABS and PVC/ABS/Carbon blends to mechanical and thermal properties have been investigated. The composition of PVC/ ABS blends was 80/20 wt% and PVC/ ABS/Carbon was 73/23/7 wt°/o. The study has been focused on ultimate tensile strength, strain at ultimate tensile, elastic modulus and strain at failure for mechanical properties of the blends. Ultimate tensile strength, strain at ultimate tensile and elastic modulus have been retained by both PVC blends due to the presence of SAN phase from ABS that possess the complete retention with increasing numbers of extrusion. On the other hand, the presence of butadiene rubber (BR) phase in ABS increase the deformability of PVC blends which contributed to increase strain at failure. Increased numbers of extrusion have refined the dispersion of carbon in the blends and made stronger adhesion between carbon and the matrix that led to increase the strain at failure of PVC/ ABS/Carbon. Glass transition temperature (Tg) have been obtained using differential scanning calorimetry (DSC) for thermal properties of the blends. The partial miscibility between the components of the blends was concluded from two Tg obtained from DSC test. Finally, a morphological study of the fracture surface has been completed using scanning electron microscopy (SEM). The images from SEM justify the mechanical properties of the PVC blends.

Item Type:	Thesis (Masters)
Uncontrolled Keywords:	Plastics, Polymers
Subjects:	T Technology > T Technology (General) T Technology > TP Chemical technology
Divisions:	Library > Tesis > FKM
Depositing User:	Norziyana Hanipah
Date Deposited:	14 Jul 2015 06:26
Last Modified:	09 Nov 2022 15:44
URI:	http://eprints.utem.edu.my/id/eprint/14722
Statistic Details:	View Download Statistic

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