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Preparation and characterization of UV-Curable MPS-modified silica nanocomposite coats

机译:可紫外固化的MPS改性二氧化硅纳米复合涂层的制备和表征

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摘要

A series of UV-curable nanocomposites were prepared with 3-(trimethoxysilyl) propyl methacrylate (MPS) modified nanosilica under the initiation of 2,2-dimethoxy-1,2-diphenylethan-1-one. It was found that MPS-modified nanosilica together with free MPS could form transparent nanocomposite coats. As the particle size of nanosilica increased, the photopolymerization rate, final double bond conversion, and tack-free time of nanocomposites increased while the surface roughness, glass-transition temperature, and UV absorbance of nanocomposites decreased. (c) 2005 Wiley Periodicals, Inc.
机译:在2,2-二甲氧基-1,2-二苯基乙-1-酮的引发下,用3-(三甲氧基甲硅烷基)甲基丙烯酸丙酯(MPS)改性的纳米二氧化硅制备了一系列可紫外固化的纳米复合材料。发现MPS改性的纳米二氧化硅与游离的MPS一起可以形成透明的纳米复合涂层。随着纳米二氧化硅粒径的增加,纳米复合材料的光聚合速率,最终双键转化率和不粘时间增加,而纳米复合材料的表面粗糙度,玻璃化转变温度和UV吸收率则降低。 (c)2005年Wiley Periodicals,Inc.

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