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A kind of double glass component reflective coating and preparation method thereof

A component reflection and coating technology, applied in coatings, photovoltaic power generation, etc., can solve the problem of low titanium dioxide content, and achieve the effects of good chemical stability, high content, and strong corrosion resistance

Active Publication Date: 2022-07-12
DONGHUA UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At the same time, the content of titanium dioxide in the reflective coating is not high and contains more glass beads, so the reflectivity will not be very high

Method used

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  • A kind of double glass component reflective coating and preparation method thereof
  • A kind of double glass component reflective coating and preparation method thereof
  • A kind of double glass component reflective coating and preparation method thereof

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Embodiment

[0031] Embodiment: A composite reflective coating for a double glass component, comprising a double coating, the bottom layer is a high-content titanium dioxide layer, and the outer layer is a transparent glass glaze layer. The total thickness of the composite reflective coating is 33-45um, wherein the thickness of the bottom layer is 18-25um, and the thickness of the outer layer is 15-20um. The composition of the high-content titanium dioxide layer of the bottom layer includes a mixture and ink, and the mixture includes 65-80 wt% of nano-titanium dioxide and 20-35 wt% of the basic glass glaze. The crystal form composition of nano titanium dioxide is 10-50wt% anatase crystal form, 50-90wt% rutile crystal form, and the average particle size of nano titanium dioxide is 50-500nm.

[0032] The present invention provides 10 composite reflective coatings of components, as shown in Table 1:

[0033] Table 1

[0034]

[0035] The preparation method of the double-glass component c...

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Abstract

The invention provides a double-glass component reflective coating, which comprises a high-content titanium dioxide layer on the bottom layer and a transparent glass glaze layer on the outer layer. The present invention also provides a method for preparing a reflective coating for a double-glass component, comprising the following preparation steps: S1. preparation of basic glass glaze and transparent glass glaze; S2. preparation of bottom layer slurry; S3. preparation of outer layer slurry; S4. Composite reflective coating coating; S5. Sintering. The composite reflective coating of the invention, the outer layer completely covers the bottom layer, the coating is firmly combined with the embossed back glass, the composite coating has strong adhesion, stronger corrosion resistance than ordinary single-reflective coatings, and good chemical stability , The average visible light reflectivity is high, and the lipophilicity is low, the ink usage is less, and the production cost is reduced.

Description

technical field [0001] The invention belongs to the field of inorganic reflective coatings, and in particular relates to a reflective coating on the back glass of a photovoltaic double-glass module and a preparation method thereof. Background technique [0002] At present, photovoltaic power generation has become an important solar energy conversion technology, and improving the photovoltaic power generation efficiency will further improve the utilization rate of solar energy. In recent years, photovoltaic double-glass modules have the advantages of high power generation efficiency, and double-glass modules have gradually replaced traditional single-glass modules in the market. According to incomplete statistics from relevant authoritative departments, as of now, the market share of photovoltaic double-glass modules exceeds 20%. Therefore, for the photovoltaic industry, double-glass modules are already a development trend. [0003] The power generation efficiency of double-...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C17/34
CPCC03C17/3417C03C2218/119C03C2218/112C03C2218/32Y02E10/52
Inventor 汪庆卫施王明刘金平夏秀峰罗理达
Owner DONGHUA UNIV
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