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http://dx.doi.org/10.14478/ace.2016.1110

Study on Physical Properties of Maleic anhydride Grafted Polypropylene (PP)/Kenaf Fiber (KF) Composites  

Ku, Sun Gyo (Major in Polymer Science and Engineering, Kongju National University)
Kim, Yu Shin (Major in Polymer Science and Engineering, Kongju National University)
Hong, Young Eun (Major in Polymer Science and Engineering, Kongju National University)
Kim, Dong Won (Seoyounewha)
Kim, Ki Sung (Seoyounewha)
Kim, Youn Cheol (Major in Polymer Science and Engineering, Kongju National University)
Publication Information
Applied Chemistry for Engineering / v.28, no.1, 2017 , pp. 73-79 More about this Journal
Abstract
Maleic anhydride (MAH) grafted polypropylene (PP-g-MAH) copolymers were prepared by changing MAH and styrene monomer (SM) content, using a twin screw extruder at $190^{\circ}C$. The grafting degree was measured by non-aqueous back titration method. The grafting degree of PP-g-MAH-SM copolymer was higher than that of PP-g-MAH at the same MAH content. PP-g-MAH-SM/kenaf fiber (KF) composites were also prepared by using a PP-g-MAH as a matrix at $200^{\circ}C$ and the KF content was fixed at 20 wt%. Based on the degradation temperature investigated by TGA, the thermal stability of PP-g-MAH-SM/KF composites was more enhanced than that of PP-g-MAH only. Mechanical properties of the composites were also improved when MAH and SM applied together. The adhesion degree between the copolymer and KF was confirmed by both SEM pictures of the fractured surface and contact angles.
Keywords
polypropylene; composite; kenaf; PP-g-MAH; styrene monomer;
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