Reinforced unsaturated polyester composites by chemically grafting amino-POSS onto carbon fibers with active double spiral structural spiralphosphodicholor

被引：119
作者：
Jiang, Dawei [1 ,3 ]
Liu, Li [1 ]
Long, Jun [1 ,3 ]
Xing, Lixin [1 ]
Huang, Yudong [1 ,2 ]
Wu, Zijian [1 ]
Yan, Xingru [3 ]
Guo, Zhanhu [3 ]
机构：
[1] Harbin Inst Technol, Sch Chem Engn & Technol, Harbin 150006, Peoples R China
[2] Harbin Inst Technol, Dept Appl Chem, State Key Lab Urban Water Resource & Environm, Harbin 150006, Peoples R China
[3] Lamar Univ, Dan F Smith Dept Chem Engn, Integrated Composites Lab, Beaumont, TX 77710 USA
来源：
COMPOSITES SCIENCE AND TECHNOLOGY | 2014年 / 100卷
基金：
中国国家自然科学基金; 美国国家科学基金会;
关键词：
Carbon fibers; Polymer-matrix composites (PMCs); Impact behavior; Interfacial strength; Mechanical properties; POLYHEDRAL OLIGOMERIC SILSESQUIOXANE; MECHANICAL-PROPERTIES; INTERFACIAL MICROSTRUCTURE; THERMAL-DEGRADATION; POLYPROPYLENE; RESIN;
D O I：
10.1016/j.compscitech.2014.05.035
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
The grafting of amino-POSS on the carbon fibers (CFs) surface was achieved through the reaction of the spiralphosphodicholor (SPDPC) grafted on the CFs surface with aminopropylphenyl polyhedral oligomeric silsesquioxane (amino-PUSS). X-ray photoelectron spectroscopy (XPS) showed that the phosphorus, chlorine and silicon containing functional groups were obviously increased after the modifications. Both CFs grafted with SPDPC and CFs grafted with SPDPC plus amino-PUSS have been used to prepare unsaturated polyester resin (UPR) composites. The grated SPDPC and grafted with a combined SPDPC and amino-POSS improved the interfacial performance of the CFs/UPR composites, respectively. Atomic force microscopy (AFM) results showed that the surface roughness of the CFs grafted with SPDPC was lower than that of the CFs grafted with a combined SPDPC and amino-PUSS. Dynamic contact angle analysis of the CFs grafted with SPDPC showed higher wettability to UPR than that of the CFs grafted with a combined SPDPC and amino-PUSS. Force modulation atomic force microscopy (FMAFM) and interlaminar shear strength (ILSS) were used to characterize the interfacial properties of the composites. After grafted with a combined SPDPC and amino-PUSS, the ILSS of the composites was increased by 22.9% due to the well interfacial properties that were caused by the improvement of CFs surface roughness. (C) 2014 Elsevier Ltd. All rights reserved.
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页码：158 / 165
页数：8
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