Journal
JOURNAL OF REINFORCED PLASTICS AND COMPOSITES
Volume 30, Issue 14, Pages 1223-1232Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/0731684411417916
Keywords
glass fiber composites; compatibilizer; thermal properties; dynamic mechanical properties; mechanical properties
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Funding
- University of Malaya [PPP: PS230/2008B, PPP: PS376/2009B]
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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 (T(c)). Incorporation of the compatibilizer led to a reduction in T(c). 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% V(f)). Tensile and flexural properties also showed sensible improvement of compatibilized against uncompatibilized composite systems.
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