Si-Al hybrid effect of waterborne polyurethane hybrid sizing agent for carbon fiber/PA6 composites |
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| Authors: | Yongzhen Zhao Fuyao Liu Jian Lu Xinyao Shui Yubing Dong Yaofeng Zhu Yaqin Fu |
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| Institution: | 1.Key Laboratory of Advanced Textile Materials and Manufacturing Technology Ministry of Education,Zhejiang Sci-Tech University,Zhejiang,China |
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| Abstract: | The interface of fiber-reinforced composites has remained a vexing problem that limits the use of the excellent properties of carbon fiber (CF) in composite applications. In the present study, waterborne polyurethane (WPU) hybrid sizing agents were prepared to improve the performances of CFs and the interface strength of CF/PA6 composites. The structural and mechanical properties of the single-CF and CF/PA6 composites were systematic investigated. The results showed that the mechanical properties of the CF/PA6 composites were significantly improved by adding of WPU hybrid sizing agent. The tensile and flexural strengths of the WPU/SiO2/Al2O3 hybrid sizing agent treated CF/PA6 composites were increased by 24.0 % and 25.7 % than those of no-sizing treated CF/PA6 composites, respectively. |
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