期刊
POLYMER DEGRADATION AND STABILITY
卷 97, 期 9, 页码 1633-1643出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.polymdegradstab.2012.06.021
关键词
Silicone; Ceramer; FTIR spectroscopy; Raman spectroscopy; Thermogravimetry; Mechanism
资金
- Office of the Under Secretary of Defense (U.S. Army Engineer Research and Development Center) [W9132T-09-2-0022]
Structurally similar silicone ceramers were synthesized by sol-gel processing of organic silanes. The chemical structures of the hardened ceramer materials were investigated by studying the gaseous products produced during elevated temperature heating. Fourier transformation infra-red (FTIR) spectroscopy and thermogravimetric analysis (TGA) were utilized to study the degradation phenomenon in the ceramers. The pyrolyzed residues were analyzed by Raman and Si-29 solid-state nuclear magnetic resonance (SSNMR) and X-ray diffraction (XRD) techniques. The surfaces of the residues were analyzed with a scanning electron microscope (SEM). The results from the characterization techniques were utilized to investigate the degradation mechanisms of the ceramer materials. Published by Elsevier Ltd.
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