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通过红外光谱的实验教学,学生掌握了在高温和空气中氧的共同作用下,环氧树脂会发生一系列化学变化,从而发生老化甚至失效。通过特定官能团的跟踪分析,学生全面学习和掌握了环氧树脂从固化到老化红外光谱分析的全过程。
Through the experimental teaching of infrared spectroscopy, students mastered the combination of oxygen and oxygen in the air at high temperature. The epoxy resin undergoes a series of chemical changes that lead to aging or even failure. Through the tracking of specific functional groups, the students fully learned and mastered the whole process of curing epoxy resin from curing to aging infrared spectroscopy.