W18O49/PDMS Coated Insulating Glass

W₁₈O₄₉/PDMS coated insulating glass can be widely used in the future. It not only has fine visible light transmission, but good near-infrared shielding ability. This kind of glass can modulate the solar energy intake effectively, so as to save energy to the greatest extent.

W₁₈O₄₉ is an important raw material for preparing the glass. It is an oxide of tungsten. W₁₈O₄₉ has unique surface structure and oxygen defect structure. And it also has strong absorbing ability of ultraviolet and near-infrared light. W₁₈O₄₉ is widely used in the preparation of photocatalysts, photothermal conversion materials, electrochromic devices and solar energy devices.

PDMS is another significant raw material for preparing the glass. It a kind of polymer organosilicon compound. And it is nontoxic. PDMS is chemically inert and it has low flammability. This kind of material has high application value in the production of lubricants and contact lenses.

W₁₈O₄₉/PDMS coated insulating glass with good performance can be successfully prepared, using these two kinds of materials.

Some studies have shown that if W₁₈O₄₉/PDMS coated insulating glass is used as the window of the cassette, the internal temperature of the cassette will rise from 23°C to 32.2°C ( the temperature difference is 9.2°C), after the cassette is irradiated with xenon lamp (0.5W/cm2) for 1500 seconds. Compared with ITO-coated glass and ordinary glass, the temperature rise of W₁₈O₄₉/PDMS coated insulating glass as the window of the cassette is relatively low. And this means that W₁₈O₄₉/PDMS coated insulating glass has better thermal insulating performance than ITO-coated glass and ordinary glass.

W₁₈O₄₉/PDMS coated insulating glass not only has fine visible light transmission, but has good near-infrared shielding ability. It has good thermal insulating performance as well. Therefore, it can be popularized in the future. And its application will be of great importance to energy saving and environmental protection.

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