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Effect of damp heat aging on interfacial bonding properties of polyketone fiber reinforced natural rubber composites

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Document pages: 8 pages

Abstract: Polyketone fiber is considered as the reinforcement of mechanical rubber products (MRG) such as tires, automobile hoses and belts because of its high strength and high modulus. In order to apply it to these applications, high adhesion of fiber rubber interface and good sustainability to aging conditions are very important. In this study, polyketone fiber reinforced natural rubber composites were prepared and subjected to thermal and wet aging to evaluate the changes of interfacial adhesion and material properties. In addition, the effect of adhesive primer treatment based on resorcinol formaldehyde resin and polyketone fiber latex (RFL) on high interfacial adhesion was evaluated. The morphology and properties of rubber composites were analyzed by various instrumentsumental analyses. As a result, the rubber composite was aged largely by thermal aging at high temperature rather than humidity aging condition. Interfacial adhesion of the polyketone NR composites was improved by the primer treatment and its effect was maintained in aging conditions.

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