Preparation of Aluminum Pigments Encapsulated by Polyacrylate and SiO2 and Their Application in Coating

被引：0
|
作者：
Gao Aihuan [1 ]
Pi Pihui [1 ]
Wen Xiufang [1 ]
Cheng Jiang [1 ]
Yang Zhuoru [1 ]
机构：
[1] S China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510640, Guangdong, Peoples R China
来源：
8TH INTERNATIONAL CONFERENCE ON MEASUREMENT AND CONTROL OF GRANULAR MATERIALS, PROCEEDINGS | 2009年
关键词：
Aluminum pigments; Polyacrylate; SiO2; In-situ polymerization; Encapsulation; Compatibility; SOL-GEL;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In order to promote anti-corrosion of aluminum pigments and enhance their compatibility with resin, double-layer coated aluminum pigments were prepared by first encapsulating vinyl activing SiO2 through sol-gel method, and secondly coating with polyacrylate by in-situ polymerization. The encapsulated aluminum pigments were characterized by means of FTIR and SEM. Subsequently the stability of coating films containing PA/SiO2/Al pigments in acid aqueous media, the gloss of films, the dispersion and adhesion of PA/SiO2/Al pigments in resins were characterized by anti-corrosion test, gloss meter and pulling-off test respectively. The results demonstrate that uniform and compact SiO2-polymeric films have been formed in the surface of aluminum pigments. The anti-corrosion of encapsulated aluminum pigments and their compatibility with resins are improved remarkably.
引用
收藏
页码：192 / 195
页数：4
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