文献类型：期刊文献

中文题名：聚硅烷改性含硅芳炔树脂的耐热性能研究

英文题名：Thermal stability of blends of polysilane and silicon-containing arylacetylene resin

作者：刘衍兵[1];郭康康[1];齐会民[1];黄发荣[1];杜磊[1]

机构：[1]华东理工大学材料科学与工程学院,特种功能高分子材料及其相关技术教育部重点实验室,上海200237

年份：2010

卷号：38

期号：S1

起止页码：84

中文期刊名：化工新型材料

外文期刊名：New Chemical Materials

收录：北大核心:【北大核心2008】；CSCD:【CSCD2011_2012】；

基金：国家自然科学基金资助项目(90816021)

语种：中文

中文关键词：聚硅烷;含硅芳炔树脂;共混改性;抗氧化

外文关键词：polysilane,silicon-containing arylacetylene resin,anti-oxidation.

摘要：含硅芳炔树脂具有优异的耐高温性能,在高温下可形成C/SiC有机无机杂化材料,用聚硅烷对含硅芳炔树脂进行改性以提高其含硅量。采用示差扫描量热(DSC)、红外光谱(FT-IR)分析了改性含硅芳炔树脂的固化行为,采用TGA考察了改性含硅芳炔树脂固化产物及其烧结物的热稳定性能,并用XRD对烧结物进行了分析。研究表明,改性后的含硅芳炔树脂黏度降低、硅含量提高;固化物和烧结物在1200℃下空气中的残留率均提高了40%以上;固化物经1450℃烧结后形成了β-SiC,含聚硅烷30%的改性树脂烧结物中SiC含量达到41%。
Silicon-containing arylacetylene resin(PSA) own excellent high temperature resistance and can be formed C/SiC organic-inorganic hybrid materials under high temperature. PSA was blended with polysilane(PSAS) to increase its silicon content. The cure behavior of the blends were investigated by using DSC and FT-IR,the thermal stability of cured and sintered PSAS were studied by TGA and DTA,and the structure of sintered PSAS was analysised by XRD. These results showed that the blends get a lower viscosity; the residues of cured PSAS was increased than cured PSA by 40% under air at 1200℃,and sintered materials of cured PSAS was composed of carbon with SiC,which content reached to 41.2% for PSAS-3.