MONITORING THE SURFACE TENSION OF REACTIVE EPOXY-AMINE SYSTEMS UNDER DIFFERENT ENVIRONMENTAL CONDITIONS
作者： A. Synytska , S. Michel , D. Pleul , C. Bellmann , R. Schinner
DOI: 10.1080/00218460490477639
关键词:
摘要: Two commercially available amine-cured epoxy resin formulations were studied under different environmental conditions with regard to the surface tension evolution using axisymmetric drop shape analysis (ADSA). By employing a new strategy, ADSA was used monitor simultaneously and density of these reactive mixtures from sessile drops. The kinetics bulk reactions quantified by Fourier transform infrared (FTIR) spectroscopy, changes in molecular composition region X-ray photoelectron spectroscopy (XPS). In both formulations, values amine hardeners lower than those resins. For one system, mixture similar hardener. this case, hardener migrates determines mixture, as could be proved XPS measurements. other contained only very small amount ...
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