Abstract
The influence of triphenylphosphate (TPP) on ultra-high molecular weight polyethylene (UHMWPE) gasification under thermal decomposition was studied. The temperature at which formation of gaseous products begins was measured for pure and TPP-doped UHMWPE. The kinetics of thermal decomposition of pure UHMWPE and mixed with TPP at high rates of heating (~ 100–200 K/s) was studied. The activation energy and the pre-exponential factor of the rate constant of the decomposition reaction were determined for pure and TPP-doped UHMWPE. The time ignition of the samples in air at their heating from the top surface to a temperature of 350 and 400 С was determined. The studies were conducted using dynamic mass-spectrometric thermal analysis (DMSTA) microthermocouples and visualization of process
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