期刊
POLYMER INTERNATIONAL
卷 63, 期 8, 页码 1531-1536出版社
WILEY-BLACKWELL
DOI: 10.1002/pi.4661
关键词
silicon-containing hybrid polymer; heat-resistant polymer; curing behavior; thermal stability
资金
- National Natural Science Foundation of China [51073053]
- Shanghai Postdoctoral Scientific Program
Three novel kinds of linear silicon-containing hybrid polymers with Si-C C units were synthesized by polycondensation reactions using the Grignard reagent method. All the polymers were thermosetting, highly heat-resistant, moldable and easily soluble in common organic solvents. The structure, curing behavior, thermal and oxidative properties were characterized using Fourier transform infrared spectroscopy, H-1 NMR, C-13 NMR, gel permeation chromatography, differential scanning calorimetry and thermogravimetric analysis. The results obtained can provide theoretical guidance for determining the curing of the resin system. In addition, the cured polymers exhibit excellent thermal and oxidative stabilities with temperatures of 5% weight loss (T-d5) above 480 degrees C and 450 degrees C in nitrogen and air respectively; the residues at 1000 degrees C were above 70.0% and 45.0% respectively. The thermal and oxidative stabilities of the polymers are attributed to a crosslinking reaction between the Si-H and C C bonds or C C bonds. These polymers have the potential for use as high-temperature-resistant resins and ceramic precursors. (C) 2013 Society of Chemical Industry
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据