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charred residues are formed. Although the exact temperature ranges of cellulose pyrolysis may vary depending on different cellulosic materials and experimental conditions, the three steps always exist in pyrolysis of cellulose. In fact, the pyrolysis will
potassium content of the samples confirming the fact that cellulose decomposition is highly sensitive for the presence of alkali ions. The yield of the char residue as well as the evolution of water and methane increased, while the formation of higher
even at 600 °C (the char residue is about 20–30%). Only sample 10 differs from both other polymers ( 8 , 9 ), before the main degradation stage, the new significant peak appears at the range of 300–400 °C. It means that this polymer contains two
thermogravimetric analysis, a black char residue was found on the thermobalance pan. The greatest amounts of the residue were formed in the case of polysiloxane-based hybrid materials, particularly in that of samples labelled 7 . Conclusions
Sample designation Char residue a T 5% /°C b T 10% /°C b
facility for studying fire degradation, smoke emission, and heat release [ 35 ]. In the present article, time to ignition (TTI), heat release rate (HRR), total heat released (THR), effective heat of combustion (EHC), mass loss rate (MLR), char residue (CR
peak with a maximum decomposition temperature at 302 °C is probably attributed to cellulose decomposition. The mass loss from 238 to 900 °C is about 65% which is probably due to the loss of cellulose and lignin. The char residue at 900 °C is 17
which the loss of mass during pyrolysis reaches 50% of its final value (in this study, we regard the amount of char residue at 800 °C as the final value). In addition, the differential degradation curve (the first-order derivative of TG curve) can give
