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。
2
Dopant influence some properties of polyaniline such as configuration, heat stability, infrared emittance, microwave absorbing.
掺杂剂性质影响聚苯胺的结构、热稳定性、红外发射率、微波吸收等性能。
3
As a kind of silicate mineral, cordierite turns into an important infrared radiating material because of its predominant infrared radiating property and better thermal and chemical stability.