In an effort to curb global warming, Purdue University engineers have created the whitest paint yet. Ranked the No. The original worlds whitest paint used nanoparticles of barium sulfate to reflect 98.1% of sunlight, cooling outdoor surfaces more than 4.5C below ambient temperature. The record appears in the 2022 edition of Guinness World Records.. The paint, developed at Purdue University, has earned a Guinness World RecordsTM title. Journalists visiting campus should follow visitor health guidelines. The second feature is that the barium sulfate particles are all different sizes in the paint. In a rather extreme model, they also found that covering 0.5 to 1 percent of the Earths surfacebuildings, roads, unused land, just about everythingwith the ultra-white paint would be enough to stop the global warming trend. This not only saves money, but it reduces energy usage, which in turn reduces greenhouse gas emissions. Judges were able to compare thermometers reading the barns internal temperatures and to feel the difference in the roofs. The worlds whitest paint, developed by Purdue University researchers and recognized in Guinness World Records, has been named winner of the 2023 Innovation Award in the sustainability category by South by Southwest Conference & Festivals (SXSW). News of the paint,certified bythe Guinness World Record book, has made a splash around the world. April 15, 2021. Tour Barbara Walters' Former NYC Apartment. It can reflect 98.1% of solar radiation and also. The whitest paint is hereand it's the coolest. We may earn commission from links on this page, but we only recommend products we back. A new paint developed by researchers at Purdue University is the coolest literally. Its a win-win for the environment and your energy bill!Sarah Hill, principal of Urban Pioneering Architecture, "We are working on a townhouse renovation with a lightwell at the top of a mahogany stairwell. This research was supported by the National Science Foundation with Award No. Purdue researchers introduce ultra-white paint, which is the coolest Using statistical modeling, the researchers estimated that their ultra-white paint could reduce air conditioning use by up to 70 percent in hot cities like Reno, Nevada, and Phoenix, Arizona. For further discussion on this intellectual property, contact Will Buchanan at wdbuchanan@prf.org and reference track code PRF 2018-RUAN-68168. The Purdue Research Foundation Office of Technology Commercialization operates one of the most comprehensive technology transfer programs among leading research universities in the U.S. Services provided by this office support the economic development initiatives of Purdue University and benefit the universitys academic activities through commercializing, licensing and protecting Purdue intellectual property. A special experimental white paint that recently made it into the Guinness World Records could one day help keep the world from heating up. So proud #purdueuniversity is being recognized for its #sustainability #innovation. For further discussion on this intellectual property, contact Will Buchanan atwdbuchanan@prf.organd reference code2022-RUAN-69542. The researchers think that this whitest white paint is likely the closest equivalent to Vantablack, the blackest black paint that absorbs up to 99.9% of visible light. Two features make this paint ultra-white: a very high concentration of a chemical compound called barium sulfate also used in photo paper and cosmetics and different particle sizes of barium sulfate in the paint. Last year, engineers at Purdue University used their expertise in materials science to produce the world's whitest paint, with an ability to reflect around 98% of incoming sunlight and therefore . Wait a few years to coat your home with the worlds whitest paint, which may dramatically reduce or even eliminate the need for air conditioning. Because the paint absorbs less heat from the sun than it emits, a surface coated with this paint is cooled below the surrounding temperature without consuming power. Disability-related accessibility issue? However, no comparably white paints that are currently available do as good of a job reflecting; they typically average around 80-90% of sunlight reflected and UV light absorption. This white paint could reduce the need for air - Purdue University In that publication, as well as an April news release by Purdue, the researchers explained how the white paint reflects up to 98.1% of sunlight, and simultaneously sends infrared heat away from . Your Privacy Rights In an effort to curb global warming, Purdue University engineers have created the whitest paint yet. Ramona Albert, principal of Ramona Albert Architecture. After testing over 100 different variations, they came up with a formulation that not only reflects 98.1% of solar radiation but also makes surfaces cooler, all without . The newer paint not only is whiter but also can keep surfaces cooler than the formulation that the researchers had previously demonstrated. Please contact News Service at purduenews@purdue.edu. They tested more than 100 different materials over the past seven years, eventually narrowing down their selection to barium sulfate, a known UV-reflecting compound that was already being used in cosmetics, reflective photo paper, oil paints, x-ray examinations and other applications. A News Servicerepresentative can facilitate safe access and mayescort you on campus. Note to journalists: A video about this research is available on YouTube. To achieve passive daytime radiative cooling, current state-of-the-art solutions often utilize complicated multilayer structures or a reflective metal layer, limiting their applications in many fields. The translation of discovery to impact is integrated into the fabric of Discovery Park through entrepreneurship programs and partnerships. Using high-accuracy temperature reading equipment called thermocouples, the researchers demonstrated outdoors that the paint can keep surfaces 19 degrees Fahrenheit cooler than their ambient surroundings at night. World's 'whitest' self-cooling paint is thinner than ever, now ideal BaSO4-acrylic paint is developed with 60% volume concentration to enhance the reliability in outdoor applications, achieving solar reflectance of 98.1% and sky window emissivity of 0.95. We looked at various commercial products, basically anything thats white, said Xiangyu Li, a postdoctoral researcher at the Massachusetts Institute of Technology, who worked on this project as a Purdue Ph.D. student in Ruans lab.

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