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Thermal degradation of film cast from aqueous polyurethane dispersions

机译:水性聚氨酯分散体流延成膜的热降解

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In this paper, water-dispersible polyurethanes based on isophorone diisocyanate and polytetramethylene glycol were synthesized, and their thermal degradation behavior under nitrogen and air was studied by thermogravimetric (TG) analysis. The influence of NCO/OH ratio and functional group concentration was discussed. The thermal decomposition kinetics under nonisothermal conditions was analyzed using Ozawa method. (C) 2002 Wiley Periodicals, Inc. [References: 18]
机译:本文合成了基于异佛尔酮二异氰酸酯和聚丁二醇的水分散性聚氨酯,并通过热重分析(TG)研究了它们在氮气和空气中的热降解行为。讨论了NCO / OH比和官能团浓度的影响。使用小泽法分析了非等温条件下的热分解动力学。 (C)2002 Wiley Periodicals,Inc. [参考:18]

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