Endurable water-repellent glass for automobiles

被引:0
|
作者
Hong, BS [1 ]
Han, JH [1 ]
Kim, ST [1 ]
Cho, YJ [1 ]
Park, MS [1 ]
Dolukhanyan, T [1 ]
Sung, C [1 ]
机构
[1] Samsung Corning Co Ltd, R&D Ctr, Suwon, South Korea
关键词
hydrophobicity; silica sol-gel; spray coating; surface roughness; water repellency; glass;
D O I
暂无
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Endurable water-repellent coated layers have been formed on safety glasses for automobiles via a sol-gel based spray coating process. Coated films are composed of a silica underlayer( similar to 800 Angstrom) and a fluorocarbon layer in which the formed silica shows a definite surface roughness and acts as the enhancement factor for chemical and mechanical durability. Durability is a function of the degree of surface roughness, structural fineness and homogeneity. Dual stage aging in silica sol controls a nide range of surface roughness. Water-repellency is degraded gradually by a combination of sunlight (ultraviolet), water, and abrasion. Spray coating on large size and curved safety glasses was successfully carried out.
引用
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页码:388 / 392
页数:5
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