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本文采用了反相气相色谱法,测得了水在共混物中无限稀释时的活度系数,并用其来表征PU—PVA共混物的亲水性,从而对共混物的亲水机理进行了热力学探讨。
In this paper, reversed phase gas chromatography was used to measure the activity coefficient of water when it was infiltrated into the blend. The hydrophilicity of PU-PVA blends was characterized by this method, The thermodynamic discussion.