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研究了聚氯乙烯在有氧存在时 ,受热过程中的脱 HCl分解与氧化降解反应 ,利用 FT- IR- 1 0 DX红外光谱仪 ,在高温、高压下 ,用原位红外 ,跟踪扫描的技术 ,证实了棉酚衍生物 AG对软质聚氯乙烯的热氧稳定作用 ,对延长软质聚氯乙烯的氧化诱导期有较好的效果。
In the presence of oxygen, the dechlorination and oxidative degradation reactions of PVC were studied in the presence of oxygen. The FT-IR-1 0 DX infrared spectrometer was used at high temperature and pressure. It was confirmed that the gossypol derivative AG has the effect of stabilizing the thermo-oxygen of the soft polyvinyl chloride and has a good effect on prolonging the oxidation induction period of the soft polyvinyl chloride.