Synthesis and Characterization of SAR/SiO2 Hybrid Materials with High Thermal Stability

Jian Zhang; Jia Liu; Can Feng Wang; Fa Rong Huang; Lei Du

doi:10.4028/www.scientific.net/AMR.211-212.571

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 211-212Synthesis and Characterization of SAR/SiO2 Hybrid...

Synthesis and Characterization of SAR/SiO₂ Hybrid Materials with High Thermal Stability

Abstract:

A silicon-containing arylacetylene resin, poly[(dimethylsilyl)eneethynylene phenyleneethynylene] with methoxy silyl terminal group (abbreviated MSAR) was synthesized. The resin and tetraethoxysilane (abbreviated TEOS) were used to prepare silicon-containing arylacetylene resin (abbreviated SAR) /SiO₂ hybrid materials by a sol-gel method. Both the curing process of the xerogel and thermal properties of the hybrid materials were studied by FT-IR, DSC and TGA. The thermogravimetric analysis of the hybrid materials showed that Td₅ (temperature of 5% weight loss) was 696°C and char yield was 92.1% at 800°C in nitrogen. A Si-C-O ceramic residue was obtained in high yield(86.8%) by sintering up to 1450°C in nitrogen.

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Periodical:

Advanced Materials Research (Volumes 211-212)

Pages:

571-575

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.211-212.571

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Online since:

February 2011

Authors:

Jian Zhang, Jia Liu, Can Feng Wang, Fa Rong Huang, Lei Du

Keywords:

Diethynylbenzene, Hybrid Material, Silica, Sol-Gel Method, Thermal Stability

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