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TRANSPARENT, FLEXIBLE AND STRETCHABLE ELECTROMAGNETIC SHIELDING THIN FILM AND METHOD FOR PREPARING SAME
TRANSPARENT, FLEXIBLE AND STRETCHABLE ELECTROMAGNETIC SHIELDING THIN FILM AND METHOD FOR PREPARING SAME
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机译：透明，柔性和可拉伸的电磁屏蔽薄膜及其制备方法
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摘要
Disclosed are a transparent, flexible and stretchable electromagnetic shielding thin film and a method for preparing same. The electromagnetic shielding thin film comprises: a transparent, flexible and stretchable substrate; a grid-shaped metal shielding layer; and a transparent, flexible and stretchable encapsulation layer. The grid-shaped metal shielding layer is between the transparent, flexible and stretchable substrate and the transparent, flexible and stretchable encapsulation layer. The grid-shaped metal shielding layer is prepared by means of a combination of a colloidal etching method and a metal deposition method, and the main steps thereof are: 1) closely arranging a single layer of colloidal particles on the transparent, flexible and stretchable substrate; 2) etching the single layer of closely arranged colloidal particles to be in a non-close arrangement; 3) depositing a nano-metal layer on the transparent, flexible and stretchable substrate for the single layer of non-closely arranged colloidal particles; and 4) removing the colloidal particles to obtain the grid-shaped metal shielding layer deposited on the transparent, flexible and stretchable substrate. The flexible and stretchable electromagnetic shielding thin film prepared according to the present invention is simple in structure and easy to manufacture, and has a good stretchability and electromagnetic shielding performance.
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