Characterization of Ultraviolet-Degraded Polyethylene Terephthalate Film Using a Complementary Approach: Reactive Pyrolysis-Gas Chromatography-Mass Spectrometry and Matrix-Assisted Laser Desorption/Ionization Mass Spectrometry.

采用互补方法表征紫外降解聚对苯二甲酸乙二醇酯薄膜：反应热解-气相色谱-质谱和基质辅助激光解吸/电离质谱