In this paper,the pyrolytic compound of polyurethane acrylate oligomer was analyzed by pyrolytic gas chromatography-mass spectrometry and the pyrolytic mechanism was also discussed.

• 采用裂解色谱质谱技术对光固化聚氨酯丙烯酸酯齐聚物裂解产物进行了分析,并对裂解机理进行了讨论。