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材料工程  2014, Vol. 0 Issue (3): 1-6    DOI: 10.3969/j.issn.1001-4381.2014.03.001
  材料与工艺 本期目录 | 过刊浏览 | 高级检索 |
芳炔树脂/POSS固化相容性及热稳定性研究
范海波, 刘艳林, 杨荣杰, 李向梅
北京理工大学 材料学院 阻燃材料研究国家专业实验室, 北京 100081
Compatibility and Thermostability Between Polyarylacetylene Composites and Polyhedral Oligomeric Silsesquioxanes
FAN Hai-bo, LIU Yan-lin, YANG Rong-jie, LI Xiang-mei
National Laboratory of Flame Retardant Materials, School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
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摘要 在聚芳基乙炔树脂(PAA)中分别加入笼型八苯基硅倍半氧烷(OPS)、笼型八氨基苯基硅倍半氧烷(OAPS)和笼型八炔丙基胺苯基硅倍半氧烷(OPAPS)对其进行改性。利用SEM、XRD、红外、DSC和TGA对PAA/POSS体系进行了相容性和热性能的研究。SEM图及XRD结果表明,OPS与PAA相容性差,OAPS次之;由于OPAPS中端炔基可参与PAA的固化反应,因此OPAPS与PAA相容性最好。红外光谱分析结果表明炔基固化反应后主要生成共轭烯和芳环结构,PAA/POSS的复合物中,POSS的笼型结构得以保留。DSC结果表明POSS的加入使得体系放热量有所减少,且OPAPS的加入使体系放热峰向高温区稍有偏移。TGA结果表明OAPS或OPAPS的引入可以基本保持PAA固化产物原有的热稳定性。
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关键词 芳炔树脂POSS相容性热稳定性    
Abstract:Polyhedral oligomeric silsesquioxanes (POSS) including octaphenylsilsesquioxane (OPS), octa(aminophenyl)silsesquioxane (OAPS) and octa(propargylaminophenyl)silsesquioxane (OPAPS) were used to prepare composite resins with pre-polyarylacetylene (PAA). The compatibility and thermal properties of the PAA/POSS composites were studied through SEM, XRD, FT-IR, DSC and TGA. The morphologies of PAA/POSS composites and XRD results proved that there was good compatibility between PAA and OPAPS because the terminal alkynyl groups in OPAPS could react with PAA, while the compatibility between PAA and OPS was the worst due to the OPS could deposit in the bottom of the composites. The FT-IR analysis indicates the formation of a conjugated diene and aromatic ring groups in the thermal curing processes of the resins. DSC analysis implies that the addition of inorganic silica-like core to prePAA decreases the exothermic heat. And incorporation of OPAPS could enhance the curing temperature a little. TGA analysis indicates that addition of OAPS or OPAPS would not reduce the excellent thermal stability so much and somewhat enhance the thermal-oxidative stability.
Key wordspolyarylacetylene    POSS    compatibility    thermostability
收稿日期: 2012-09-16     
1:  TB332  
  TQ322.4+1  
通讯作者: 杨荣杰(1962- ),男,博士生导师,教授,主要从事高分子材料、阻燃材料以及含能材料的研究,联系地址:北京理工大学材料学院(100081)     E-mail: yrj@bit.edu.cn
作者简介: 范海波(1987- ),男,博士研究生,主要从事POSS改性阻燃材料、耐高温材料的研究,E-mail:13488813807@163.com
引用本文:   
范海波, 刘艳林, 杨荣杰, 李向梅. 芳炔树脂/POSS固化相容性及热稳定性研究[J]. 材料工程, 2014, 0(3): 1-6.
FAN Hai-bo, LIU Yan-lin, YANG Rong-jie, LI Xiang-mei. Compatibility and Thermostability Between Polyarylacetylene Composites and Polyhedral Oligomeric Silsesquioxanes. Journal of Materials Engineering, 2014, 0(3): 1-6.
链接本文:  
http://jme.biam.ac.cn/jme/CN/10.3969/j.issn.1001-4381.2014.03.001      或      http://jme.biam.ac.cn/jme/CN/Y2014/V0/I3/1
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