Effects of polyhedral oligomeric silsesquioxane coatings on the interface and impact properties of carbon-fiber/polyarylacetylene composites

被引：12

作者：

Zhang, Xuezhong ^{[1
]}

Huang, Yudong ^{[1
]}

Wang, Tianyu ^{[1
]}

Liu, Li ^{[1
]}

机构：

[1] Harbin Inst Technol, Dept Appl Chem, Harbin 150001, Peoples R China

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2006年 / 102卷 / 06期

关键词：

adhesion; coatings; composites; impact resistant; interfaces;

D O I：

10.1002/app.24752

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Two kinds of polyhedral oligomeric silsesquioxane (POSS) coatings were used for the modification of the interface in carbon fiber (CF) reinforced polyarylacetylene (PAA) matrix composites. The effects of the organic-inorganic hybrid POSS coatings on the properties of the composites were studied with short-beam-bending, microde-bonding, and impact tests. The interlaminar shear strength and interfacial shear strength showed that the POSS coatings resulted in an interfacial property improvement for the CF/PAA composites in comparison with the untreated ones. The impact-test results implied that the impact properties of the POSS-coating-treated composites were improved. The stiffness of the interface created by the POSS coatings was larger than that of the fiber and matrix in the CF/PAA composites according to the force-modulation-mode atomic force microscopy test results. The rigid POSS interlayer in the composites enhanced the interfacial mechanical properties with a simultaneous improvement of the impact properties; this was an interesting phenomenon in the composite-interface modification. (c) 2006 Wiley Periodicals, Inc.

引用

页码：5202 / 5211

页数：10

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