【摘要】 以芳香型二元醇为原料 ,用原位聚合的方法制备了环氧树脂 /芳香型聚氨酯共混材料。用红外光谱表征了其反应 ,测试了所得材料的力学性能 ,用热失重和差示扫描量热法对所得材料进行了热性能研究。结果表明 ,用芳香型聚氨酯改性环氧树脂 ,既能提高环氧树脂的韧性 ,也能提高环氧树脂的力学性能与热性能。更多还原

【Abstract】 Epoxy resins were modified with aromatic polyurethanes via in-situ reactions. The resulted materials were characterized using FTIR, TG, DSC, and mechanical property testers. The results showed that through the modification with aromatic polyurethane, the mechanical properties including toughness and the thermal properties were simultaneously improved.更多还原