Influence of Silane Coupling Agents on the Interlaminar and Thermal Properties of Woven Glass Fabric/Nylon 6 Composites

• Published in: Macromolecular research 2004, 12(1), , pp.119-126
• Main Authors: 조동환, 임순호, 김준경, 박민, 이상수, Suk Hyang Yun, Geon-Woong Lee
• Format: Article
• Language: Korean
• Subjects: 고분자공학
• ISSN: 1598-5032; 2092-7673

In this study, the influence of silane coupling agents, featuring different organo-functional groups on the interlaminar and thermal properties of woven glass fabric-reinforced nylon 6 composites, has been by means of short-beam shear tests, dynamic mechanical analysis, scanning electron microscopy, and thermogravimetric analysis. The results indicate that the fiber-matrix interfacial characteristics obtained using the different analyt¬ical methods agree well with each other. The interlaminar shear strengths (ILSS) of glass fabric/nylon 6 com¬posites sized with various silane coupling agents are significantly improved in comparison with that of the composite sized commercially. ILSS of the composites increases in the order: Z-6076 with chloropropyl groups in the silanes ＞ Z-6030 with methacrylate groups ＞Z-6020 with diamine groups; this trend is similar to that of results found in an earlier study of interfacial shear strength. The dynamic mechanical properties, the fracture surface observations, and the thermal stability also support the interfacial results. The improvement of the interfacial properties may be ascribed to the different chemical reactivities of the reactive amino end groups of nylon 6 and the organo-functional groups located at the ends of the silane chains, which results from the increased chemical reactivity in order chloropropyl ＞methacrylate ＞diamine. KCI Citation Count: 21