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    Home > Coatings News > Paints and Coatings Market > New material with bright whites displayed without the need for paint

    New material with bright whites displayed without the need for paint

    • Last Update: 2020-04-28
    • Source: Internet
    • Author: User
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    new process developed by the Karlsruhe Institute of Technology (KIT) to produce extremely thin polymer foils with high light scattering ratesThis inexpensive material can be applied to a variety of objects in industry to give them a shiny white appearanceAlso, the process makes the product more environmentally compatiblebright white surface makes the furniture look clean, bright and modernUntil now, titanium dioxide has been used in white paint, plastics, cosmetics, food and other major pigmentsHowever, there are drawbacks to this pigmentProfessor Hendrik Hlscher, of the KIT Institute for Microstructures, said: "Titanium dioxide has a high refractive index and almost completely reflects the incident lightHowever, its disadvantage is that its particles do not degrade and therefore pollute the environment in the long run"Furthermore, there have been concerns that titanium dioxide may be harmful to healthProfessor Hendrik Hlscher and his team were inspired by the white beetle Cyphochilusinsulanus, whose crustacean scales appear white due to its special nanostructure"We avoid the use of pigments that are harmful to health and the environment by producing porous polymer structures with high scattering efficiency," Hlscher saidBased on this model, we produce a sponge-like polymer-based solid-state porous nanostructure, similar to shaving foam or bath foam, which scatters light to make the material whiteNew technologies for low-cost and environmentally friendly white optics are available on a wide range of surfacesphysicist explained: "The polymer foil produced through our methods is very thin, soft, lightweight and mechanically stable, which can be used industrially in a variety of products"The newly developed polymer foil reflects more than 57% of the incident light in thickness of 9 m (one tenth of a millimeter)When increasing the thickness of the foil, it can reach 80% to 90%Sponge-like microstructures are applied to acrylic glass during development, but the method can also be applied to many other polymers"With the exception of foil, the whole thing can be dyed white," Hlscher saidNext, we plan to produce particles, such as adding small beads to other materialsWe have received advice from companies that want to make their products more environmentally compatible"
    Although engineers often develop solutions based on materials made from a variety of chemical elements, nature uses a single basic material with interesting mechanical, optical or physical chemistry properties to achieve a certain purpose through its hybrid three-dimensional structureThe researchers added that bionics that focus on understanding and imitating natural phenomena to make them technically available often lead to entirely new solutions that cannot be found in any other way
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