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有机硅增硬涂层的制备以及固化分析 被引量:11

Preparation and Curing Analysis of Silicone Enhancing Hard Coating
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摘要 以甲基三乙氧基硅烷(MTES)水解产物为主要成膜物质,加入正硅酸乙酯(TEOS)作为无机增强物,通过调节混合溶液的pH值,使两者发生水解缩合反应,通过浸涂法,在聚碳酸酯(PC)上热固化制备了有机硅增硬涂层;采用DSC/TG对固化过程进行了表征,结果表明,采用二月桂酸二丁基锡为固化剂,在120℃下固化3 h,可有效地将PC表面的硬度提高到3H。 The abrasion -resistant silicone coating was prepared from hydrolyzed and condensed methyltriethoxysilane(MTES) and tetraethyl orthosilicate(TEOS) in the solution at proper pH. These coatings are dip -coated onto polycarbonate and thermally cured to obtain a hard coatings. The thermally cured process was characterized by DSC/TG, and the results show that when the dibutyhin dilaurate is used as catalyst and heat - treated at 120 ℃ for 3 hours, the coating can effectively improve the hardness of polycarbonate surface up to 3H.
作者 邓稳 王庭慰
出处 《涂料工业》 CAS CSCD 2008年第8期34-36,共3页 Paint & Coatings Industry
关键词 有机硅 增硬 正硅酸乙酯 聚碳酸酯 silicone hard enhancing tetraethyl orthosilicate polycarbonate
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