Extrusion and injection-molding of glass fiber/MAPP/polypropylene: Effect of coupling agent on DSC, DMA, and mechanical properties

Hassan, A. and Rahman, N.A. and Yahya, R. (2011) Extrusion and injection-molding of glass fiber/MAPP/polypropylene: Effect of coupling agent on DSC, DMA, and mechanical properties. Journal of Reinforced Plastics and Composites, 30 (14). pp. 1223-1232. ISSN 07316844, DOI https://doi.org/10.1177/0731684411417916.

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Abstract

Glass fiber-reinforced PP composites compatibilized with maleic anhydride grafted polypropylene (MAPP) were compounded with a twin-screw extruder and injection molded. The composite specimens were subjected to DSC, DMA, tensile, and flexural property characterizations. DSC results showed that the presence of glass fiber loading and MAPP produced insignificant effect on the melting temperature of the composites. The melting enthalpy was decreased with glass fiber loadings, but no significant change was noted in the crystalline peak temperatures (Tc). Incorporation of the compatibilizer led to a reduction in Tc. Incorporation of glass fiber reduced the crystalline enthalpy of compatibilized and uncompatibilized systems. DMA results showed that composite properties were affected by the presence of the compatibilizer at low fiber loading (�14 Vf). Tensile and flexural properties also showed sensible improvement of compatibilized against uncompatibilized composite systems.

Item Type: Article
Funders: UNSPECIFIED
Uncontrolled Keywords: compatibilizer dynamic mechanical properties glass fiber composites mechanical properties thermal properties Composite specimens Crystalline peaks Fiber loadings Flexural properties Maleic anhydride grafted polypropylene Melting enthalpy Twin screw extruders Bending strength Compatibilizers Coupling agents Crystalline materials Enthalpy Extrusion molding Fibers Glass fibers Injection molding Loading Maleic anhydride Melting Polypropylenes Reinforced plastics Tensile strength Thermodynamic properties
Subjects: Q Science > QD Chemistry
Divisions: Faculty of Science > Department of Chemistry
Depositing User: miss munirah saadom
Date Deposited: 08 Mar 2013 08:48
Last Modified: 02 Jan 2015 03:25
URI: http://eprints.um.edu.my/id/eprint/6680

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