Heat-insulating, sun-proof and self-cleaning multifunctional glass and preparation method thereof

By adopting a multi-layer structural design of modified glass substrate, photochromic insulation layer and surface functional protective layer on the window glass, the shortcomings of existing window glass in sun protection, heat insulation and self-cleaning performance are solved, and the multifunctionality of heat insulation, sun protection and self-cleaning is achieved, improving energy utilization efficiency and user experience.

CN119774893APending Publication Date: 2025-04-08李宁
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Patent Information

Application Number
CN202411926869.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-04-08

AI Technical Summary

Technical Problem

Existing window glass has significant shortcomings in sun protection, insulation and self-cleaning performance, which affects the user experience and energy utilization efficiency.

Method used

The multi-layer structural design of a modified glass matrix, a photochromic thermal insulation layer and a surface functional protective layer is adopted. The photochromic thermal insulation layer is composed of gradient doping distribution of tungsten oxide nanoparticles, and the surface functional protective layer includes a superhydrophobic nanostructure layer and a self-cleaning functional layer.

Benefits of technology

It realizes the versatility of glass, heat insulation, sun protection and self-cleaning, improves energy utilization efficiency, simplifies maintenance operations, and improves user experience.

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Abstract

The present invention discloses a heat-insulating, sun-proof and self-cleaning multifunctional glass and a preparation method thereof, wherein the multifunctional glass comprises a modified glass substrate and a photochromic heat-insulating layer and a surface functional protective layer sequentially compounded on the surface of the modified glass substrate; the surface functional protective layer comprises a super-hydrophobic nanostructure layer and a self-cleaning functional layer sequentially arranged from the inside to the outside; the photochromic heat-insulating layer is a photothermal response layer with a gradient doping distribution of tungsten oxide nanoparticles, wherein the doping density of the tungsten oxide nanoparticles close to the side of the modified glass substrate is low, and the doping density of the tungsten oxide nanoparticles far from the side of the modified glass substrate is high; the super-hydrophobic nanostructure layer is mainly composed of fluorosilane-modified SiO2 nanoparticles; the self-cleaning functional layer is a TiO2 film deposited on the surface of the super-hydrophobic nanostructure layer by plasma enhanced chemical vapor deposition. Compared with the prior art, the glass of the present invention has multiple functions such as excellent heat insulation, sun protection and self-cleaning.
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