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
收藏
页码：5202 / 5211
页数：10
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