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OALib Journal期刊
ISSN: 2333-9721
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硼酸铝晶须增强氰酸酯树脂的性能
Keywords: 复合材料,硼酸铝晶须,氰酸酯树脂,偶联剂
Abstract:
？采用硼酸铝(albw)晶须改性氰酸酯树脂制备出氰酸酯树脂/晶须复合材料,研究了表面处理和晶须用量对氰酸酯树脂体系的反应活性、复合材料力学性能以及耐湿热性的影响.结果表明,未经表面处理的albw晶须不能改善氰酸酯树脂体系的韧性,反而使树脂韧性下降,表面处理的晶须均可以改善树脂的力学性能,经硼酸酯偶联剂处理后的albw晶须使树脂体系冲击强度提高.采用硼酸酯偶联剂对albw晶须进行表面处理可明显改善晶须在树脂体系中的分散性.在晶须用量低于8%时,随着晶须加入量的增加,树脂体系的力学性能增大,氰酸酯树脂/晶须复合材料表现为韧性断裂并有明显的晶须拔出现象.晶须的加入使树脂体系耐热性和耐湿热性提高,加入8%的albw晶须使体系吸水率下降,冲击强度和弯曲强度保持率提高.
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