Abstract
Ultrahigh molecular weight polyethylene (UHMWPE) plain-woven-fabric-reinforced epoxy composites were prepared using a newly designed vacuum-assisted resin-transfer molding (VaRTM) apparatus. This VaRTM process involved pre-curing for 24 h at room temperature, and then post-curing at different temperatures from 80 to 120 ℃. The properties of the composite were then analyzed using TGA, DMA, tensile and flexural tests. The weight ratio of the UHMWPE-fiberreinforcement to epoxy-resin-matrix in the composite, reached about 60 wt%, as estimated by TGA. Post-curing at 80 ℃ provided the highest E’ at temperatures higher than the glass transition range, and Tg decreased with increasing post-curing temperature. Simultaneously, the tensile modulus decreased while the strain and toughness increased in a large degree.
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Kang, YA., Oh, SH. & Park, J.S. Properties of UHMWPE fabric reinforced epoxy composite prepared by vacuum-assisted resin transfer molding. Fibers Polym 16, 1343–1348 (2015). https://doi.org/10.1007/s12221-015-1343-8
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DOI: https://doi.org/10.1007/s12221-015-1343-8