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Zhang C.,Key Laboratory of Bio Based Material Science and Technology of Ministry of Education | Huang H.,Key Laboratory of Bio Based Material Science and Technology of Ministry of Education | Chen C.,Key Laboratory of Bio Based Material Science and Technology of Ministry of Education | Wang W.,Key Laboratory of Bio Based Material Science and Technology of Ministry of Education
Advanced Materials Research | Year: 2012

In this paper, instead of glass fiber, a bio-fiber (piemarker fiber) was used to reinforce unsaturated polyester (UP). UP resin was reinforced with piemarker fiber (PF) in a mold under hot pressing. The mechanical properties of the result composites were tested and hot pressing procedure was optimized. The optimum hot pressing technology was obtained. When hot pressing temperature was 90°C and mat was hot pressed for 1.5h. The mechanical properties of the composites indicated that: the optimum mass ratio of piemarker fiber to UP was 30:70, at which the flexural strength of the composite was 48.77MPa, the tensile strength was 29.082MPa, and the impact strength was 9.89KJ/m 2.

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