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Analysis of the influencing factors of PAEs volatilization from typical plastic products

Journal of Environmental Sciences 2018年第4期30卷 61-70页

作者： Weidong Chen Chenchen Chi Chen Zhou Meng Xia cees ronda Xueyou Shen College of Environmental & Resource Sciences Zhejiang University Hangzhou 310058 China Philips Research Eindhoven High Tech Campus 45656 AE Eindhoven The Netherlands Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control Hangzhou 310058 China

The primary emphasis of this research was to investigate the foundations of phthalate（PAEs） pollutant source researches and then firstly confirmed the concept of the coefficient of volatile strength, namely phthalate total content in per unit mass and unit surface area of pollutant sources. Through surveying and evaluating the coefficient of volatile strength of PAEs from typical plastic products, this research carried out reasonable classification of PAEs pollutant sources into three categories and then investigated the relationship amongst the coefficient of volatile strength as well as other environmental factors and the concentration level of total PAEs in indoor air measured in environment *** obtained phthalate concentration results under different temperature, humidity,the coefficient of volatile strength and the closed time through the chamber experiment. In addition, this study further explored the correlation and ratio of influencing factors that affect the concentration level of total PAEs in environment chambers, including environmental factors, the coefficient of volatile strengths of PAEs and contents of total PAEs in plastic products. The research created an improved database system of phthalate the coefficient of volatile strengths of each type of plastic goods, and tentatively revealed that the volatile patterns of PAEs from different typical plastic goods, finally confirmed that the coefficient of volatile strengths of PAEs is a major factor that affects the indoor air total PAEs concentration, which laid a solid foundation for further establishing the volatile equation of PAEs from plastic products.

关键词： Phthalate esters Air The coefficient of volatile strength Typical plastic products The influencing factors

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