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探索聚对苯二甲酸乙二醇酯 ( PET)在超临界甲醇和乙醇中的降解规律 ,并通过红外、色谱等分析手段研究降解后单体回收率与温度、压力及反应时间的关系 .确定超临界甲醇和乙醇中 PET降解的最佳条件
The degradation regularity of polyethylene terephthalate (PET) in supercritical methanol and ethanol was explored, and the relationship between the monomer recovery and temperature, pressure and reaction time was studied by means of infrared and chromatographic analysis. The optimum conditions for PET degradation in supercritical methanol and ethanol