Violet Tungsten Oxide Nanoparticles Applied for Heat-insulating Energy-saving Film

Violet tungsten oxide nanoparticles may be applied for manufacturing heat-insulating energy-saving film. Nano violet tungsten oxide is a kind of thermal insulation medium, and the prepared smart film is environmentally friendly for applying in automobile front windshield, building curtain wall glass, architectural glass doors and windows. So, the common glasses become energy-saving glasses. And these glasses are anti-UV, anti-glare, anti-fog, water-proof, fire-proof and scratch-resistant with long service life.

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For example, according to the thickness of the PVB film and the required optical index, the heat insulating medium may be added to the plasticizer in a ratio of 0.4% to 2% by mass, and the plasticizer may be blending, extruding and calendaring with the PVB resin by means of spraying and stirring to produce high performance PVB heat insulation film. The thickness of the heat insulating film can be 23μm, 36μm, 50μm, 100μm, and 120μm, etc.; the width can be 1040mm, and 1560mm, etc.; the length can be 8000m; and the substrate may be PET, PVB or the like.

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