Thermal and mechanical properties enhancements obtained by reinforcing a bisphenol-a based phthalonitrile resin with silane surface-modified alumina nanoparticles

被引:38
作者
Derradji, Mehdi [1 ]
Ramdani, Noureddine [1 ]
Zhang, Tong [1 ]
Wang, Jun [1 ]
Gong, Lin-dan [1 ]
Xu, Xiao-dong [1 ]
Lin, Zai-wen [1 ]
Henniche, Abdelkhalek [2 ]
Rahoma, H. K. S. [3 ]
Liu, Wen-bin [1 ]
机构
[1] Harbin Engn Univ, Coll Mat Sci & Chem Engn, Key Lab Superlight Mat & Surface Technol, Polymer Mat Res Ctr,Minist Educ, Harbin 150001, Heilongjiang, Peoples R China
[2] Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Heilongjiang, Peoples R China
[3] Harbin Inst Technol, Natl Key Lab Sci & Technol Precis Heat Proc Met, Harbin 150001, Heilongjiang, Peoples R China
基金
中国国家自然科学基金;
关键词
PROMOTED CURE BEHAVIORS; THERMOSETTING RESINS; BISPHTHALONITRILE; NANOCOMPOSITES; TEMPERATURE; COMPOSITES;
D O I
10.1002/pc.23722
中图分类号
TB33 [复合材料];
学科分类号
摘要
A new type of nanocomposites based on a high performance bisphenol-A phthalonitrile resin and surface-modified alumina nanoparticles was prepared by a hot compression molding technique. The effect of adding different amounts of the reinforcing phase on the thermal and mechanical properties of the resulting nanocomposites was investigated. Thermogravimetric analysis showed that the starting decomposition temperatures and the residual weight at 800 degrees C were highly improved upon adding the nanofillers. At 15 wt% nanoloading, the glass transition temperature and the storage modulus were considerably enhanced, reaching 346 degrees C and 3.4 GPa, respectively. The tensile strength and modulus as well as the microhardness values increased with the increasing amount of the nanoparticles. The tensile modulus calculations were investigated using Series, Halpin-Tsai, and Kerner models. Haplin-Tsai model was found to reproduce the experimental data with the best accuracy. Estimation of the nanofillers shape factors for both Haplin-Tsai and Kerner models significantly improved the precision of the cited predictive models. The fractured surface of the nanocomposites analyzed by SEM exhibited homogeneous and rougher surfaces compared to that of the pristine resin. Finally, this new kind of nanocomposites is a highly attractive candidate for use in advanced technological applications such as the aerospace and military fields.POLYM. COMPOS., 38:1549-1558, 2017. (c) 2015 Society of Plastics Engineers
引用
收藏
页码:1549 / 1558
页数:10
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