A systematic research on the pyrolysis process of polymethysilicone (SAR-2) and the thermostability of the pyrolysis residue was made by the thermogravimetric analysis, DTA and infrared spectroscopy.The experimental r...A systematic research on the pyrolysis process of polymethysilicone (SAR-2) and the thermostability of the pyrolysis residue was made by the thermogravimetric analysis, DTA and infrared spectroscopy.The experimental results indicate that the pyrolysis residue of SAR-2 converted into the amorphous SiC_xO_(4-x) phase above 900 ℃,the residue at 1200 ℃ is the most thermostable and antioxidant.It is suitable to be used as polysilicone preceramic.展开更多
文摘A systematic research on the pyrolysis process of polymethysilicone (SAR-2) and the thermostability of the pyrolysis residue was made by the thermogravimetric analysis, DTA and infrared spectroscopy.The experimental results indicate that the pyrolysis residue of SAR-2 converted into the amorphous SiC_xO_(4-x) phase above 900 ℃,the residue at 1200 ℃ is the most thermostable and antioxidant.It is suitable to be used as polysilicone preceramic.
