Thermal and thermo-oxidative degradation of chitin with ammonium nitrate, ammonium sulfate and concentrated sulfuric acid were studied.
讨论了硝酸铵、硫酸铵和浓硫酸对自制甲壳素热降解和热氧化降解过程的影响。
2
The thermo-oxidative stability of nylon 12 is investigated by infrared spectrum(IR), and by measuring whiteness and inherent viscosity of oxidized nylon 12.
采用热失重分析、白度测定、特性粘度、红外光谱（IR）等方法对尼龙12的热氧稳定性进行了研究。
3
It is shown that the temperature is the most important factor influencing the rate of thermo-oxidative degradation while oxygen content is of negligible importance.