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将多重内反射富里叶交换红外光谱（ＦＴＩＲ－ＭＩＲ）原位测量技术，首次用于原位研究聚合物／金属界面水分子的动态行为。实验表明，随着聚合物／金属复合体系在水中浸渍时间的延长，聚合物／金属界面水分子不断增加累积形成一定厚度的水层，同时聚合物／金属界面的聚合物量递减，说明水进入界面便聚合物对金属基底的粘合键破坏，粘合作用减弱。不同的聚合物对水的阻挡能力可明显不同，水通过环氧树脂膜层的速度远小于通过醇酸树脂膜层的速度。原位ＦＴＩＲ－ＭＩＲ技术可作为研究聚合物／金属等复合体系界面的一种重要手段，有可能提供聚合物膜层中水的传输过程、水在界面上的递增累积过程、聚合物粘合用的破坏过程以及有关聚合物／金属界面腐蚀破坏过程的分子水平的信息。
In situ measurement of multiple internal reflection Fourier transform infrared spectroscopy (FTIR-MIR) was used for the first time to study the dynamic behavior of water molecules at the polymer / metal interface. Experiments show that with the polymer / metal composite system immersed in water for an extended period of time, polymer / metal interface water molecules continue to accumulate to form a certain thickness of the water layer, while the polymer / metal interface, the amount of polymer decreases, indicating that water into the interface The polymer bond to the metal substrate damage, bonding weakened. The barrier ability of different polymers to water can be significantly different, and the rate at which water passes through the epoxy film is much less than the speed through the alkyd film. The in situ FTIR-MIR technique can be used as an important tool to study the interface of polymer / metal composites. It is possible to provide the transport of water in the polymer film, the process of increasing and accumulating water at the interface, The destruction process and the molecular level information about the process of corrosion damage at the polymer / metal interface.