SUNLIGHT-REFLECTING FILM AND PREPARATION METHOD THEREFOR

WIPO Patent Application WO/2021/017522

A1

Provided are a sunlight-reflecting film and a preparation method therefor. The sunlight-reflecting film comprises a matrix and functional layers, with the matrix and the functional layers being arranged in a stacking manner. The functional layers comprise a first reflecting layer, barrier layers, and a second reflecting layer that are sequentially arranged on the matrix in a stacking manner, wherein the barrier layers comprises a first barrier layer and a second barrier layer that are mutually stacked, the first barrier layer is selected from any one of metal fluorides, inorganic nonmetal oxides and metallic oxides, or any combination of same, and the second barrier layer is selected from any one of metallic oxides, metal nitrides and semiconductor doping compounds, or any combination of same, with the type of selected substance of the first barrier layer and the second barrier layer not being completely the same. The preparation method for the above sunlight-reflecting film comprises: providing the matrix; and forming the functional layers on the matrix by using a magnetron sputtering method to obtain the sunlight-reflecting film.

YANG RONGGUI (CN)
XU SHAOYU (CN)
WANG MINGHUI (CN)
ZHAI HUAILUN (CN)
YAN YULEI (CN)
YIN ZHENGJIE (CN)
ZHAO JINLING (CN)

PCT/CN2020/084092

February 04, 2021

April 10, 2020

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NINGBO RADI COOL ADVANCED ENERGY TECH CO LTD (CN)
NINGBO RUILING ADVANCED ENERGY MAT INSTITUTE CO LTD (CN)

G02B5/08; C23C14/35

CN108025952A	2018-05-11
CN108025952A	2018-05-11
CN102265190A	2011-11-30

HANGZHOU HUAJIN LIANZHE INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)

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