Researchers at Purdue University have developed a new ultra-white paint that reflects 98.1 percent of sunlight and can keep surfaces up to 19 degrees Fahrenheit cooler than their ambient surroundings. Aerosmith will be touring a city near you for the last time to celebrate the rock bands 50-plus years together. Patent applications for this paint formulation have been filed through the Purdue Research Foundation Office of Technology Commercialization. The previous iteration (left) required a layer 0.4 millimeters thick to achieve sub-ambient radiant cooling. So proud #purdueuniversity is being recognized for its #sustainability #innovation. The team filed an international patent application on this paint formulation through thePurdue Research FoundationOffice of Technology Commercialization. I would love to try it on a roof deck that gets a lot of sun and see if we need sunglasses!Catherine Fowlkes, principal of architecture firm Fowlkes Studio, "I'm from the Caribbean, and so the first thing I would do is paint so many houses! by Purdue University. I would recommend this paint for flat roofs and metal roofs. At the time, researchers went as far as to say that their white paint was the closest thing available to an equivalent of "Vantablack," which absorbs up to 99.9% of visible light. While Ruans original paint formula is massively efficient, it required. An infrared camera shows how a sample of the whitest white paint (the dark purple square in the middle) actually cools the board below ambient temperature, something that not even commercial heat rejecting paints do. Potential applications include building roofs, food storage units, warehouses, data centers, outdoor equipment, automobiles, etc., Purdue researcher Xiangyu Li tells House Beautiful. Their research has been published in Cell Reports Physical Science. "Maryline Damour, co-founder and principal designer at Damour Drake, I love the idea of using this ultra-white paint on the entire exterior of a pool housewalls, roof and trim! We turned to interior designers, architects, and folks elsewhere in the sustainable design space to hear how they would use the product in their projects and with their clients. Already featured in this year's edition of Guinness World Records and "The Late Show With Stephen Colbert," the world's whitest paint just got an upgrade. They also have a high concentration of particles that are different sizes, allowing the paint to scatter a wider range of wavelengths. Making this paint really reflective, however, also made it really white. An airplane sitting on the tarmac on a hot summer day wont have to run its air conditioning as hard to cool the inside, saving large amounts of energy. In fiscal year 2021, the office reported 159 deals finalized with 236 technologies signed, 394 disclosures received and 187 issued U.S. patents. Photo provided. An airplane sitting on the tarmac on a hot summer day wont have to run its air conditioning as hard to cool the inside, saving large amounts of energy. By Elissaveta M. Brandon 3 minute Read. Trouble with this page? Purdue University, 610 Purdue Mall, West Lafayette, IN 47907, (765) 494-4600, 2015-22 Purdue University | An equal access/equal opportunity university | Copyright Complaints | Maintained by Office of Strategic Communications. "Yes, the paint is intended to be used on roofs, including roofing shingles and metal roofs," Ruan said. 3 min read. Journalists visiting campus should follow visitor health guidelines. 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. How soon until it's on the shelves at a major retailer? Committed to affordability and accessibility, Purdue has frozen tuition and most fees at 2012-13 levels, enabling more students than ever to graduate debt-free. Developed by researchers at Purdue University, the paint reflects 98.1 percent of sunlight. Although a higher particle concentration is better for making something white, you cant increase the concentration too much. The new whitest paint formulation reflects up to 98.1% of sunlight compared with the 95.5% of sunlight reflected by the researchers previous ultra-white paint and sends infrared heat away from a surface at the same time. Note to journalists: For a copy of the paper, please contact Kayla Wiles at wiles5@purdue.edu or 765-494-2432. For further discussion on this intellectual property, contact Will Buchanan at wdbuchanan@prf.org and reference track code PRF 2018-RUAN-68168. Purdue University is a top public research institution developing practical solutions to todays toughest challenges. Purdue University, 610 Purdue Mall, West Lafayette, IN 47907, (765) 494-4600, 2015-22 Purdue University | An equal access/equal opportunity university | Copyright Complaints | Maintained by Office of Strategic Communications. For further discussion on this intellectual property, please contact D.H.R. Typical commercial white paint gets warmer rather than cooler. Using this formulation to cover a roof area of about 1,000 square feet could result in a cooling power of 10 kilowatts, more powerful than the air conditioners used by most houses. "Let's say it is a dry sunny day outside and the temperature is 85 degrees Fahrenheit," a surface covered with the paint from Purdue "will be around 75 degrees Fahrenheit," Peoples said. Ruans lab had considered over100 different materials, narrowed them down to 10 and tested about 50 different formulations for each material. The paint is the opposite of the ultrablack one researchers . Thats more powerful than the air conditioners used by most houses, Ruan said. This lower density, together with the thinness, provides another huge benefit: reduced weight. When Xiulin Ruan, a professor of mechanical engineering at the school, and his graduate students began. Since its creation, Ruan says the two questions they've gotten are where it can be purchased and can it be thinner. Purdue University researchers have created a new formula for the world's whitest paint, making it thinner and lighter. (Purdue University image/Joseph Peoples), An equal access/equal opportunity university, Maintained by Office of Strategic Communications. "For example, using it in the Arctic and Antarctic areas (say, on their roofs) should help cool down the areas and prevent glaciers from melting," Ruan said. These calcium carbonate fillers absorb almost no ultraviolet rays due to a so-called large band gap, a result of their atomic structure. Advertising Notice Coating buildings with this paint may one day cool them off enough to reduce the need for air conditioning, the researchers say. The previous iteration (left) required a layer 0.4 millimeters thick to achieve sub-ambient radiant cooling. Our paint only absorbs 1.9 percent of the sunlight, whereas commercial paint absorbs 10 to 20 percent of sunlight, says Xiulin Ruan, a Purdue mechanical engineering professor and one of the studys co-authors. Purdue University. Its pretty amazing that a paint can do all that.. We typically use integrated paint stucco, but painting over it won't change the design, and would give us such added value in its cooling properties.Mary Maydan, founder and principal of Maydan Architects, I would want to combine the ultra-white paint with a brise-soleil in a chic beach or desert house. BaSO4 has a high electron bandgap for low solar absorptance and phonon resonance at 9 m for high sky window emissivity. 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. Disability-related accessibility issue? The formulation could provide a cheap way to cool buildings by simply painting their roofs. Trouble with this page? We will be as accommodating as possible, but you may be asked tostep out or report from another location. The paint is a marked improvement from current heat-rejecting paints on the market. One is the paints very high concentration of a chemical compound called barium sulfate, which is also used to make photo paper and cosmetics white. Committed to hands-on and online, real-world learning, Purdue offers a transformative education to all. Purdue Research Foundation Office of Technology Commercialization, An equal access/equal opportunity university, Maintained by Office of Strategic Communications. 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. Terms of Use Kaitlin Menza is a freelance features writer. The paint was designed using research on luminescence in plants. It's intended to one day reduce or eliminate the need for air conditioning, according to the researchers who developed it. The Guinness World Record holding paint is now thinner, lighter and could soon be available for purchase. A figure of merit RC is proposed to compare the cooling performance independent of weather conditions. Typical commercial white paint apparently gets warmer rather than cooler and these intrepid scientists wanted to reverse that to help fight climate change and curb energy use. "The paint is not available on the market yet," Xiulin Ruan, the lead researcher on the project, told USA TODAY Thursday. The six-year study builds on attempts going back to the 1970s to develop radiative cooling paint as a feasible alternative to traditional air conditioners. The record appears in the 2022 edition of Guinness World Records, available for purchase starting Thursday (Sept. 16). She covers history, science, travel, food and beverage, sustainability, economics and other topics. But what makes it so special? Making a paint that reflective also makes it very white, and the Guinness Book of World Records has officially dubbed it the world's whitest paint, Purdue said. 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. In 2020, IPWatchdog Institute ranked Purdue third nationally in startup creation and in the top 20 for patents. This way, heat doesnt get trapped within the atmosphere and contribute to global warming. Itll be great to see how this evolves and how the researchers are able to develop its applications.. The "ultra-white" paint could be on the market in one to two years for a comparable price to conventional paint, Purdue University told the Guardian. A News Servicerepresentative can facilitate safe access and mayescort you on campus. It could be beneficial to paint our white stucco walls with this white paint. With this award, we are honored that SXSW joins a growing list of organizations, publications, and states that recognize Purdue University and its world-changing researchers are delivering practical solutions to todays toughest challenges, said R. Ethan Braden, executive vice president, chief marketing and communications officer for PurdueUniversity and Purdue Global. Ruan explains. Thats more powerful than the central air conditioners used by most houses, said Xiulin Ruan, a Purdue professor of mechanical engineering. The particles of this material also have a unique morphology, which we call nanoplatelets.. 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. The paint, developed by Purdue professor of mechanical engineering Xiulin Ruan, is fighting global warming by keeping surfaces cool enough to reduce the need for internal air conditioning. This is the kind of thing that we all hope scientists and researchers will help us to discover, opportunities that we didnt know existed for how to live more sustainably.. Judges were able to compare thermometers reading the barns internal temperatures and to feel the difference in the roofs. The research was performed at Purdues FLEX Lab and Ray W. Herrick Laboratories and the Birck Nanotechnology Center of Purdues Discovery Park. See how Purdue never stops in the persistent pursuit of the next giant leap athttps://purdue.edu/. According to Ruan, We are in discussions right now to commercialize it. On the flip side, the new whitest paint reflects up to 98.1% of sunlight, compared to . Writer, Media contact: Kayla Wiles, 765-494-2432, wiles5@purdue.edu. Using this new paint formulation to cover a roof area of about 1,000 square feet could result in a cooling power of 10 kilowatts, Purdue researchers showed in a published paper. The paint is intended to be used on roofs, including roofing shingles and metal roofs. Purdue University researchers have created a new formula for the world's whitest paint, making it thinner and lighter. The barn painted in Purdues technology consistently held cooler internal temperatures by 8-10 degrees Fahrenheit. "From a standpoint of saving energy, it will be more useful in warm climates since cooling is needed more. Infrared images of the paint, photos of the researchers measuring the cooling performance of paint samples, b-roll and other multimedia are available via Google Drive. Ioanna Katsamba, another PhD student in mechanical engineering at Purdue, ran computer simulations to understand if the nanoplatelet morphology offers any benefits. In a Queens blackout in 2006, 175,000 people were left without power, which lead to 40 deaths. Purdue University is a top public research institution developing practical solutions to todays toughest challenges. Note to journalists: For a copy of the paper, please contact Kayla Wiles, Purdue News Service, at wiles5@purdue.edu or 765-494-2432. The six-year study builds on attempts going back to the 1970s to develop radiative cooling paint as a feasible alternative to traditional air conditioners. For further discussion on this intellectual property, contact Will Buchanan atwdbuchanan@prf.organd reference code2022-RUAN-69542. WEST LAFAYETTE, Ind. Media contact: Kayla Wiles, 765-494-2432, wiles5@purdue.edu, Thin Layer Lightweight and Ultrawhite Hexagonal Boron Nitride Nanoporous Paints for Daytime Radiative Cooling. Jaqui Seerman Turns Ordinary Rooms Into Respites, Meet the House Beautiful Next Wave Class of 2023. Xiulin Ruan, a Purdue University professor of mechanical engineering, and his students have created the whitest paint on record. This white paint is the result of six years of research building on attempts going back to the 1970s to develop radiative cooling paint as a feasible alternative to traditional air conditioners . When we started this project about seven years ago, we had saving energy and fighting climate change in mind, said Xiulin Ruan, a professor of mechanical engineering at Purdue, in a podcast episode of This Is Purdue.. The paint, developed at Purdue University, has earned a Guinness World Records TM title. Cover your roof in that paint, and you could essentially cool your home with much less air conditioning. Within one to two years, this super-chilly, super-white paint should be able to hit the market after more research and testing, Ruan says. An infrared camera image shows that white radiative cooling paint developed by Purdue University researchers (left, purple) can stay cooler in direct sunlight compared with commercial white paint. Ultra-white could offer the opportunity to do this even more dramatically, allowing us to create a heightened sense of poetry and transformation.Kevin M. Kudo-King, AIA, LEED AP, principal of architecture firm Olson Kundig, The albedo effect negatively impacts the earth's heat balance and climate, but when radiation is reflected rather than absorbed by materials, the reverse can happen. Cover your roof in that. This makes it ideal for cooling vehicles like airplanes or cars, which reduces the reliance on air conditioning. Paints on the market that are designed to reject heat reflect only 80%-90% of sunlight and cant make surfaces cooler than their surroundings. In spring last year, a team from Purdue unveiled the first ultra-white painta product so white that it set a Guinness World Record. Committed to affordability and accessibility, Purdue has frozen tuition and most fees at 2012-13 levels, enabling more students than ever to graduate debt-free. This material may not be published, broadcast, rewritten, or redistributed. 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. An equal access/equal opportunity university, Maintained by Office of Strategic Communications. At night, the paint kept surfaces 19 degrees cooler than their surroundings. WEST LAFAYETTE, Ind. Go Boilers! The . March 14, 2023 Purdue's 'world's whitest paint' wins 2023 SXSW Innovation Award Xiulin Ruan, a Purdue University professor of mechanical engineering, holds up his lab's sample of the whitest paint on record. I might also paint all my deck floors with it so it's cooler underfoot. The whitest paint in the world has been created in a lab at Purdue University, a paint so white that it could eventually reduce or even eliminate the need for air conditioning, scientists. Were just dumping it all out into the universe, which is an infinite heat sink, said Xiangyu Li, a postdoctoral researcher at the Massachusetts Institute of Technology who worked on this project as a Ph.D. student in Ruans lab. Now, the blackest black color has met its match in the whitest white, which was created this year by researchers at Purdue University. "The. Ranked in each of the last five years as one of the 10 Most Innovative universities in the United States by U.S. News & World Report, Purdue delivers world-changing research and out-of-this-world discovery. Barium sulfate is affordable; commercial paint costs. This is thin and light enough for its radiant cooling effects to be applied to vehicles like cars, trains and airplanes. They describe it as an analogue to Vantablack (the darkest shade of black), capable of absorbing 99.9% of visible light . More:Scientists created the world's whitest paint. WEST LAFAYETTE Purdue University is continuing to work on the world's whitest paint. Using this formulation to cover a roof area of about 1,000 square feet could result in a cooling power of 10 kilowatts, more powerful than the air conditioners used by most houses. This research was supported by the National Science Foundation with Award No. Judges were able to compare thermometers reading the barns internal temperatures and to feel the difference in the roofs. Please contact News Service at purduenews@purdue.edu. The fabrication process and the overall cost are similar, and it can also be easily brushed and applied on different surfaces similar to commercial paints.. Please contact News Service at purduenews@purdue.edu. The other benefit of a cooler roof is that solar panels are far more efficient at lower temps, so lowering the roof temperatures will increase solar panel output significantly.Marc Clejan, founder of sustainability design firm Modern NetZero, I can imagine using ultra-white to wash sunlight across a ceiling or reflect indirect light deep into an interior space. By keeping surfaces cool and reducing the use of air conditioners, which are typically powered by electricity, the paint may help decrease the burning of fossil fuels. John Yang explains from West Lafayette, Indiana. As USA Today reports, Purdue University researchers have developed an ultra-white paint (it just earned a Guinness World Record . (Photo credit: Unsplash/Ern Low). The researchers believe that this white may be the closest equivalent of the blackest black, Vantablack, which absorbs up to 99.9% of visible light. air conditioners. Committed to hands-on and online, real-world learning, Purdue offers a transformative education to all. According to the researchers, the paint would replace the need for air conditioning by absorbing nearly no solar energy and sending heat away from the building. Purdue says the paint keeps surfaces so cool that it could reduce the need for air conditioning. Purdue University, 610 Purdue Mall, West Lafayette, IN 47907, (765) 494-4600, 2015-22 Purdue University | An equal access/equal opportunity university | Copyright Complaints | Maintained by Office of Strategic Communications. On the other hand, the. Typical commercial white paint gets warmer rather than cooler. The formulation that Ruans lab created reflects 98.1% of solar radiation at the same time as emitting infrared heat. In October, the team created an ultra-white paint that pushed limits on how white paint can be. An ultra-white paint incorporating barium sulfate (BaSO 4) particles that is up to 98.1% reflective, developed by engineers at Purdue University, has earned a Guinness World Records title for the whitest paint. This study was supported by the Cooling Technologies Research Center at Purdue University and the Air Force Office of Scientific Research through the Defense University Research Instrumentation Program (grant no. With the ultra-white paints 98.1 percent solar reflectance, it far exceeds those requirements. An image of the thinner paint formulation and b-roll of Purdue Universitys campus are available via Google Drive. Trouble with this page? The white paint that Purdue researchers created reflects 95.5% sunlight and efficiently radiates infrared heat. Researchers hope the paint will be available for purchase from a major retailer in the future. The paint, developed at Purdue University, has earned a Guinness World RecordsTM title. This paint is basically creating free air conditioning by reflecting that sunlight and offsetting those heat gains from inside your house, said Joseph Peoples, a Purdue Ph.D. student in mechanical engineering and a co-author of the work.
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