Abstract
The effects of polypropylene grafted with maleic anhydride (PP-g-MA) and unsturated polyester (UP) on the interfacial interaction of PP/GF composites were investigated by means of scanning electron microscopy (SEM), differential scanning calorimetry (DSC), and mechanical properties. The experimental results demonstrate that PP-g-MA and UP could effectively improve interfacial interaction between the PP and GF. Based on SEM, good interfacial adhesion between PP and GF in PP/UP/GF and PP/ PP-g-MA /GF composites was observed. DSC results showed that the existense of PP-g-MA or UP caused t crystallization temperature and melting temperature shift to high temperature. All results in this paper were consistent, and showed the good interaction between PP and GF, which were proved by the mechanical properties of the composites.
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