Batch foaming of short carbon fiber reinforced polypropylene composites |
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| Authors: | Chuanbao Wang Sanjiu Ying |
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| Institution: | 1. School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
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| Abstract: | In this paper, the short carbon fiber (SCF)/PP composite foams with fine open cell were prepared with batch foaming technique using supercritical CO2. The effects of SCF contents, saturation pressure and depressurization rate on the cell morphology were studied. The experimental results indicate that the cell morphology of foamed composites was significantly influenced by the SCF contents and saturation pressure. It is found that the cell size increased and cell density decreased with the increment of SCF contents while the saturation pressure had the opposite effect. However, depressurization rate showed little impacts on the cell morphology due to the presence of SCF. |
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