Monitoring Phase Separation and Morphology of Thermoplastic PEK-C/Bismaleimide and its Carbon Fiber Composites

材料工程, 2010, (z1): 273-276.

Monitoring Phase Separation and Morphology of Thermoplastic PEK-C/Bismaleimide and its Carbon Fiber Composites

^1, , ^2, , ^3, , ^4, , ^5, , ^6,

1.College of Materials, Xiamen University, Xiamen, Fujian 361005, Shandong, China;Science and Technology on Advanced Composites Laboratory,Beijing Institute of Aeronautical Materials, Beiiing 100095,China

2.Science and Technology on Advanced Composites Laboratory,Beijing Institute of Aeronautical Materials, Beiiing 100095,China

3.College of Materials, Xiamen University, Xiamen, Fujian 361005, Shandong, China

4.Science and Technology on Advanced Composites Laboratory,Beijing Institute of Aeronautical Materials, Beiiing 100095,China

5.Science and Technology on Advanced Composites Laboratory,Beijing Institute of Aeronautical Materials, Beiiing 100095,China

6.Science and Technology on Advanced Composites Laboratory,Beijing Institute of Aeronautical Materials, Beiiing 100095,China

基金项目: National Key Basic Research Program(2010CB631101) the Research Fund for the Doctoral Program of Higher Education(20090121120036)

Monitoring Phase Separation and Morphology of Thermoplastic PEK-C/Bismaleimide and its Carbon Fiber Composites

HU Xiao-lan ^1, , LIU Gang ^2, , YU Rong-lu ^3, , ZHANG Dai-jun ^4, , AN Xue-feng ^5, , YI Xiao-su ^6,

2.Science and Technology on Advanced Composites Laboratory,Beijing Institute of Aeronautical Materials, Beiiing 100095,China

3.College of Materials, Xiamen University, Xiamen, Fujian 361005, Shandong, China

4.Science and Technology on Advanced Composites Laboratory,Beijing Institute of Aeronautical Materials, Beiiing 100095,China

5.Science and Technology on Advanced Composites Laboratory,Beijing Institute of Aeronautical Materials, Beiiing 100095,China

6.Science and Technology on Advanced Composites Laboratory,Beijing Institute of Aeronautical Materials, Beiiing 100095,China

Keywords： thermoplastic

A self-designed optical microscope with a hot stage was used to monitor the phase separation process in high performance thermoplastic-thermoset blends of polyether-ether ketone (PEK-C) with a bismaleimide (BMI) resin used as resin transfer molding (RTM) processing.Two types of PEK-C,film and powder,were used to observe the developing morphology of the blends.The final morphology of the blend system with carbon fibers via RTM processing was also studied.Results indicate that the phase separation process initially occurs along the PEK-C film in the PEK-C-rich,and then in the BMI-rich.This is similar to the system with PEK-C powder.However,the phase separation of the system with PEK-C powder occurs rapidly and is denser than the system with PEK-C film.SEM results indicate that the final morphology of the CF/PEK-C/BMI composite is the spherical thermoset particles coated with the continuous thermoplastic PEK-C,whether in the carbon fiber bundle or between the carbon fiber bundles.

参考文献

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材料期刊网

Monitoring Phase Separation and Morphology of Thermoplastic PEK-C/Bismaleimide and its Carbon Fiber Composites

Monitoring Phase Separation and Morphology of Thermoplastic PEK-C/Bismaleimide and its Carbon Fiber Composites

参考文献