氨基硅烷溶胶改性的高疏水性聚氨酯涂料

D. A. Erofeev, L. N. Mashlyakovsky
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引用次数: 1

摘要

采用溶胶-凝胶技术对高疏水性聚氨酯涂料进行表面改性,得到了具有低极限湿角滞后的高疏水性聚氨酯涂料。用傅里叶红外光谱和核磁共振波谱研究了酸-碱催化溶胶-凝胶反应中溶胶组分对所得凝胶结构的影响。研究了四乙氧基硅烷与3-氨基丙基三乙氧基硅烷配比对干凝胶涂层润湿性能的影响。研究了接收溶胶中的粒径分布。采用原子力显微镜和扫描电镜对干凝胶改性聚氨酯涂料的表面形貌和形貌进行了研究
本文章由计算机程序翻译,如有差异,请以英文原文为准。
HIGHLY-HYDROPHOBIC POLYURETHANE COATINGS SURFACE-MODIFIED BY AMINOSILANE CONTAINED SOLS
In this article, highly-hydrophobic polyurethane coatings with low limiting wetting angle hysteresis were received by the surface modification with sol-gel technology. The influence of sol components on structure of obtained gels in acid- and base-catalyzed sol-gel process examined by both Fourier-infrared and nuclear magnetic resonance spectroscopy. Influence of tetraethoxysilane and 3-aminopropyltriethoxysilane ratio on wetting of xerogels coating was shown. Particle size distribution in receiving sols was investigated. By atomic-force microscopy and scanning electron microscopy the topography and the morphology of the surface of polyurethane coatings modified by xerogels were studied
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