Abstract
Epoxy chloropropane (ECP) grafting modification method was used for the surface treatment of Kevlar fiber to improve the interfacial adhesion of the Kevlar fiber reinforced polypropylene (PP) composite. The interfacial shear strength between PP and Kevlar fiber was analyzed by measuring 3 point bending (TPB) properties of composites. TPB exhibited different results due to the Kevlar fiber surface treatment. The results showed that ECP grafting modification of Kevlar fiber improved the interfacial adhesion than the untreated one. And the tribological properties of ECP treated Kevlar fiber-reinforced PP composites are greatly improved.
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