The Mass Spectrometry society of Japan - The 68th Annual Conference on Mass Spectrometry, Japan
Japanese

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Oral Sessions

Day 1, May 19（Wed.）　14:50-15:10　Room C (Zoom)

1C-O3-1450　　PDF

Oxidative degradation analysis of polypropylene combining Py-GC-high resolution TOFMS and KMD analysis

(AIST)
oSayaka Nakamura, Fouquet Thierry, Ryota Watanabe, Shogo Yamane, Aki Sugahara, Hideaki Hagihara, Hiroaki Sato

Polypropylene (PP) is widely used for industrial materials and utensils. PP is superior to PE in mechanical strength and transparency, but prone to rapid oxidation impacting its properties. Therefore, it is of the utmost importance to estimate the degree of oxidation of PP. In this study, combining high-resolution mass spectrometry and Kendrick mass defect (KMD) analysis allowed a thorough characterization and differentiation of the oxidative products. The relative intensity of the oxidative products was readily monitored and found to increase depending on the processing time, becoming a promising index to assess the degree of the oxidative degradation of PP.