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CN101629033B 一种用于丙烯酸涂料的抗紫外线剂及其制备方法和应用 失效 - 权利终止 转让

一种用于丙烯酸涂料的抗紫外线剂及其制备方法和应用
摘要：
本发明公开了一种用于丙烯酸涂料的抗紫外线剂及其制备方法和应用，该抗紫外线剂是先用羧甲基纤维素超声辅助法制备出掺杂Ca的纳米CeO2，而后采用SiO2包覆，硅烷偶联剂的表面修饰后得到；本发明的抗紫外线剂适用于丙烯酸涂料紫外老化防护；添加量为3％时，紫外屏蔽效率达到94.5％；而在可见光区域的透过率保持在71％以上，明显高于ZnO和TiO2，可作为一种优异的抗紫外线剂应用于长期暴露在户外环境的各种涂层，延长涂层的使用寿命。
摘要（英）：

The invention discloses a UV resistant agent used for acrylic coating and a preparation method and an application thereof. The UV resistant agent is obtained by that nanometer CeO2 doped with Ca is prepared with a carboxymethocel ultrasound assisted method, then SiO2 is adopted to coat, and surface finish is performed by silane coupling agent. The UV resistant agent of the invention is suitable for UV aging protection of acrylic coating; when adding amount is 3%, ultraviolet screening efficiency is 94.5%; the penetration ratio in a visible light zone is kept above 71%, which is obviously higher than that of ZnO and TiO2, so that the UV resistant agent can serve as an excellent UV resistant agent which can be used on various coatings exposing in outdoor environment for prolonging the service life of the coating.

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