Abstract
In this study, effects of surface modification of Jute/PLA composites on flexural and flexural creep properties were investigated. Jute fiber was modified by two surface treatments, alkali treatment and silane coupling agents (3-glycidoxypropyltrimethoxy silane). In addition, surface treatment was carried out in distilled water with 1, 3 and 5% concentration. As a result, flexural strength and young's modulus were improved by increase of treatment concentration in three point flexural test. Moreover, the photographs of fracture surface by scanning electron microscope (SEM) indicated that interfacial adhesion properties were improved by the surface treatment. In the creep test at 25°C, creep strain was decreased by the surface treatment. In addition at the 50℃ test, creep strain was decreased and creep strain speed was greatly decreased by silane treatment. But, creep strain and strain rate were increased by alkali treatment on creep test at 50℃.
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