Study of the toxicity of combustion products of polymer materials using chromatomass spectrometry

M. F. Shishonok, Evgenii Yrievich Karmanov, A. Ukolov, A. Zemlyanoi, Nataliya Viktorovna Yerunova, A. Nikolaev, V. K. Borodavko, S. Dulov, A. Radilov
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Abstract

Introduction. Carrying out studies of the toxicity of combustion products (HCL50) of polymer materials: epoxy glue grade EK-5T and compound ELPLAST-180 ID according to GOST with the additional use of gas chromatography with mass selective detection. Objective. Experimental study of the toxicity of combustion products (HCL50) of polymer materials in various modes of thermal oxidative degradation: epoxy glue grade EK-5T and compound ELPLAST-180 ID, as well as a survey mass spectrometric analysis of products of thermal oxidative degradation. Material and methods. The studies were carried out in accordance with GOST 12.1.044-89. Equipment: “Toxicity” unit, “Infracar M2.01” gas analyzer, Focus GC chromato-mass-spectrometric instrumental complex with DSQ II mass spectrometer (Thermo Scientific, USA), Nova Medical Stat Profile automatic analyzer of blood gases, electrolytes and oximetry Model CCX (USA). Blood sampling was carried out in capillaries “Stat Profile Critical Care Express Capillary Tube 230 µL with Na Heparin” LOT 107669, CO2 chamber. Results. In the course of studying the products of outgassing of polymer materials using an exposure chamber and a gas chromatomass spectrometer, a significant increase in toxicity (4.8 times) of a mixture of chemicals released from epoxy glue EK-5T during the transition from thermal-oxidative decomposition (smoldering) to flame combustion was established. The toxicity index of the combustion products of the ELPLAST-180 ID compound under the same conditions increases by 1.8 times. A linear dependence of the percentage of lethality of laboratory animals on the integral indicator of the toxicity of combustion products has been established. Limitations. Studies of the toxicity of combustion products were carried out on non-metallic materials: epoxy glue EK-5T, compound ELPLAST-180 ID. These materials are planned to be used in hermetically sealed objects of the Navy. Conclusion. The expediency of using gas chromatography-mass spectrometry for assessing the combined effect of combustion products is shown.
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质谱法研究高分子材料燃烧产物的毒性
介绍。根据GOST进行聚合物材料燃烧产物(HCL50)的毒性研究:环氧胶级EK-5T和复合ELPLAST-180 ID,并额外使用气相色谱法进行质量选择检测。目标。实验研究了不同热氧化降解模式下聚合物材料燃烧产物(HCL50)的毒性:环氧胶级EK-5T和复合ELPLAST-180 ID,并对热氧化降解产物进行了调查质谱分析。材料和方法。研究按照GOST 12.1.044-89进行。设备:“毒性”单元,“Infracar M2.01”气体分析仪,Focus GC色谱-质谱仪器配合DSQ II质谱仪(Thermo Scientific,美国),Nova Medical Stat Profile自动血气分析仪,电解质和血氧仪CCX(美国)。毛细管采血:“Stat Profile Critical Care Express毛细管230µL with Na Heparin”LOT 107669, CO2腔。结果。在使用暴露室和气相色谱仪研究聚合物材料放气产物的过程中,发现环氧胶EK-5T在从热氧化分解(阴燃)到火焰燃烧的过渡过程中释放的化学物质混合物毒性显著增加(4.8倍)。在相同条件下,ELPLAST-180 ID化合物燃烧产物的毒性指数提高了1.8倍。实验动物的致死率百分比与燃烧产物毒性的综合指标呈线性关系。的局限性。对非金属材料进行了燃烧产物的毒性研究:环氧胶EK-5T,化合物ELPLAST-180 ID。这些材料计划用于海军的密封物品。结论。用气相色谱-质谱法评价燃烧产物的综合效应是很方便的。
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