Mechanical and thermal properties of silicon nitride reinforced polybenzoxazine nanocomposites

被引：69

作者：

Ramdani, Noureddine ^{[1
]}

Wang, Jun ^{[1
]}

Wang, Hui ^{[1
]}

Feng, Tian-tian ^{[1
]}

Derradji, Mehdi ^{[1
]}

Liu, Wen-bin ^{[1
]}

机构：

[1] Harbin Engn Univ, Coll Mat Sci & Chem Engn, Minist Educ, Polymer Mat Res Ctr,Key Lab Superlight Mat & Surf, Harbin 150001, Peoples R China

来源：

COMPOSITES SCIENCE AND TECHNOLOGY | 2014年 / 105卷

基金：

中国国家自然科学基金;

关键词：

Particle-reinforced composites; Polymer-matrix composites (PMCs); Mechanical properties; Thermal properties; TEMPERATURE; COMPOSITES; POLYMERIZATION; SHRINKAGE;

D O I：

10.1016/j.compscitech.2014.10.006

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

Silicon nitride (SN) nanoparticle-reinforced polybenzoxazine nanocomposites were produced with good processability at various fractions of nano-SN ranging between 0 and 30 wt% via a compression molding technique. At the maximum nano-SN loading, the DMA of the nanocomposites showed an increase of 2 GPa and 47 degrees C in stiffness and glass transition temperature (T-g), respectively. In addition, increasing the nano-SN fraction to 30 wt% significantly enhanced both the tensile strength and the micro-hardness of the nanocomposites. The TGA results revealed that the thermal stability of these nanocomposites was highly improved upon the addition of the reinforcing phase. The enhancements in the thermal and mechanical properties of these nanocomposites are attributed to the uniform nanoparticie dispersion and to the strong matrix-particle interactions based on the SEM and TEM results. Therefore, these nanocomposites are more suitable for high performance coating applications. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：73 / 79

页数：7

共 39 条

[1] Novel organic-inorganic hybrids prepared from polybenzoxazine and titania using sol-gel process [J].