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Canadian researchers find recycled tires create stronger concrete  

Friday, June 23, 2017

Vancouver, British Columbia - University of British Columbia engineers have developed a more resilient type of concrete using recycled tires that could be used for concrete structures like buildings, roads, dams and bridges while reducing landfill waste. The researchers experimented with different proportions of recycled tire fibers and other materials used in concrete, cement, sand and water, before finding the ideal mix, which includes 0.35 percent tire fibers, according to researcher Obinna Onuaguluchi, a postdoctoral fellow in civil engineering at UBC. Recycled-rubber roads are not new; asphalt roads that incorporate rubber “crumbs” from shredded tires exist in the U.S., Germany, Spain, Brazil and China. But using the polymer fibers from tires has the unique benefit of potentially improving the resilience of concrete and extending its lifespan. “Our lab tests showed that fiber-reinforced concrete reduces crack formation by more than 90 percent compared to regular concrete,” said Onuaguluchi. “Concrete structures tend to develop cracks over time, but the polymer fibers are bridging the cracks as they form, helping protect the structure and making it last longer.” UBC civil engineering professor Nemy Banthia, who supervised the work, says the environmental and industrial impact of the research is crucial. Up to three billion tires are produced around the world every year, generating close to three billion kilograms of fiber when recycled. “Most scrap tires are destined for landfill. Adding the fiber to concrete could shrink the tire industry’s carbon footprint and also reduce the construction industry’s emissions, since cement is a major source of greenhouse gases,” said Banthia, who also is scientific director of UBC-hosted Canada-India Research Center of Excellence (IC-IMPACTS), a center that develops research collaborations between Canada and India. “We use almost six billion cubic meters of concrete every year,” added Banthia. “This fiber can be in every cubic meter of that concrete.” The new concrete was used to resurface the steps in front of the McMillan building on UBC’s campus in May. Banthia’s team is tracking its performance using sensors embedded in the concrete, looking at development of strain, cracking and other factors. So far, the results support laboratory testing that showed it can significantly reduce cracking. The research, described in Materials and Structures, has received support from IC-IMPACTS; Tire Stewardship B.C., the nonprofit that manages British Columbia’s tire recycling program; Atlantis Holdings Inc.; and recycler Western Rubber Products Ltd, which processed the fibers. - * Email

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Global re-dispersible latex powder market forecast to reach 1.53 billion by 2022  

Friday, June 23, 2017

Guangzhou, China - In 2016, the global re-dispersible latex powder (RDP) market was valued at $1,425 million. In 2022, the re-dispersible latex powder (RDP) market is expected to reach $1,530 million. The report from QYResearch focuses on global major leading industry players with information such as company profiles, product picture and specification, capacity, production, price, cost, revenue and contact information. Upstream raw materials, equipment and downstream consumers analysis is also carried out. - * Email

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Fire at Vietnamese processing plant destroys 30 tons of latex  

Friday, June 23, 2017

Bình Phước, Vietnam - Viet Nam News reports a fire broke out at a latex processing plant in the southern province of Bình Phước’s Đồng Phú District on Tuesday, causing an estimated loss of over VNĐ 1 billion ($444,000). No fatality was reported, but the fire destroyed the plant’s workshop and nearly 30 tons of latex products. According to initial information, the plant’s workers informed authorized agencies upon discovering the fire and took measures to try to extinguish the blaze. The provincial fire prevention and fighting police mobilized six fire trucks and several firefighters to the scene. It took them nearly two hours to stamp out the fire. According to initial reports, the fire occurred because some bolts of the heat transfer furnace’s hot oil pipe were broken, resulting in the oil leaking. The hot oil spread towards a motorbike nearby, which burst into flames. - * Email

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Book of the day - Rubber Molding Principles  

Friday, June 23, 2017

Akron, OH - Rubber Molding Principles, written by Van Walworth, Date Release: August 2013. ISBN: 978-616-90836-8-9, Hardbound, 150 Pages, Publisher: TechnoBiz Communications Co., Ltd., Book Cost: $89 45 plus S&H. Book Contents: Chapter 1: Introduction to Rubber Molding; Chapter 2: Rubber Behavior in the Molds; Chapter 3: Rubber Molding Presses; Chapter 4: Compression Molding; Chapter 5: Transfer Molding; Chapter 6: Injection Molding; Chapter 7: Vacuum Molding; Chapter 8: Wasteless/Flashless Molding; Chapter 9: Basic Rubber Mold Design; Chapter 10: Process Troubleshooting; and Chapter 11: Molding Process Selection Guide. Visit RubberWorld's Bookstore to purchase at www.rubberworld.com - * Email

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Goldsmith & Eggleton Incorporated, an employee- owned company, is engaged in the manufacture and distribution of rubber raw materials. Since our founding in 1968 our mission is to provide customers with consistent quality polymers that adhere to specification and provide economic value. G&E's Reliable Polymer Alternatives are used by original equipment manufacturers in a variety of diverse applications. G&E's quality system is registered to ISO 9001: 2000. We supply customers throughout the world from our Processing facility in Wadsworth Ohio. G&E provides the experience of seasoned industry professionals and the commitment of employee owners to continuous improvement.


 
 
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