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Displaying 61 - 80 of 148 stories.
January 1, 2009
Researchers at the Nanotube Research Center of the National Institute of Advanced Industrial Science and Technology (AIST; Tokyo; www.aist.go.jp) have developed a process for making organic nanotubes of metal complexes (photo, left). The scientists have produced organic nanotubes with metal ions (Zn+2, Cu+2, Co+2, Ni+2, Fe+2 and Mg+2) complexed at the inner and outer surfaces of organic nanotubes (diagram...
http://www.che.com/processing_and_handling/engineering_materials/Chementator-Mass-production-technology-for-making-functionalized-organic-nanotubes_4458.html
January 1, 2009
Solvay Solexis S.p.A. (Bollate, Italy; www.solvaysolexis.com) has commercialized a new perfluorosulfinic acid (PFSA) polymer, tradenamed Aquivion, which was specifically designed for polymer electrolyte membrane (PEM) fuel cells. Aquivion ionomer...
http://www.che.com/processing_and_handling/engineering_materials/Chementator-A-new-PFSA-polymer-for-membrane-and-other-applications_4460.html
January 1, 2009
Researchers at the U.S. Dept. of Energy’s (DOE; Washington, D.C.) Ames Laboratory (www.ameslab.gov) and Iowa State University (both of Ames, Iowa) have developed a hard, smooth coating that can be applied to industrial equipment, such as pumps, gears and cutting tools, to reduce friction and extend the life of the equipment. Ames has been working with various companies, including Eaton Corp...
http://www.che.com/processing_and_handling/engineering_materials/Chementator-A-hard-coating-promises-to-reduce-wear-and-power-use-in-rotating-equipment_4461.html
December 1, 2008
AkzoNobel Polymer Chemicals LLC (Chigago, Ill.; www.akzonobel.com/polymer) has launched Perkalite, a new range of synthetic, layered double-hydroxide (LDH) organoclays. With proper compounding, the LDH organoclays delaminate to nanoscale...
http://www.che.com/processing_and_handling/engineering_materials/Chementator-Nanocomposite_4397.html
November 13, 2008
Yesterday, DuPont announced that a new titanium tetrachloride purification unit has begun operations at the New Johnsonville, Tenn., titanium dioxide site. Most of the production of the high purity chemical will be used in the growing titanium metal manufacturing industry. Plans for the $30 million facility were announced in October 2006. Titanium metal increasingly is being used in everything...
http://www.che.com/processing_and_handling/engineering_materials/DuPont-opens-new-facility-to-serve-growing-titanium-metals-industry_4352.html
November 1, 2008
Tantaline (Lyngby, Demnark; www.tantaline.com) has developed a process that creates a surface alloy of tantalum on a metal substrate (typically stainless steel). As a result, the surface acquires the corrosion resistance of tantalum — the most corrosion resistant metal commercially available — without having to fabricate complicated parts from the expensive metal. Unlike alternative...
http://www.che.com/processing_and_handling/engineering_materials/Chementator-Bringing-the-corrosion-resistance-of-tantalum-to-off-the-shelf-stainless-steel-parts-_4336.html
October 15, 2008
The role of valves in a process is far from insignificant. These components enable engineers to control the vitals of a process: temperature, pressure, concentration, and flow. In some cases, the failure of a valve could be catastrophic and in other cases just a headache, but whatever your situation, your material selection will surely be one of the most important elements in determining the reliability of...
http://www.che.com/processing_and_handling/engineering_materials/Feature-Report-Part-2-Valves-and-Specialty-Metal-Materials_4240.html
October 15, 2008
Last month, Lanxess AG (Leverkusen, Germany; www.lanxess.com) launched Levotan X-Cel, an polymer mixture based on expandable microcapsules, for retannage in leather processing. With a diameter of 5 – 20...
http://www.che.com/processing_and_handling/engineering_materials/Chementator-Improving-leather_4260.html
August 15, 2008
Chisso Corp. (Tokyo, Japan; www.chisso.co.jp) has established a new joint-venture (JV) company to produce solar grade silicon using a new process that was first developed by Chisso and subsequently refined, jointly, by the three JV partners: Chisso (50% share), Nippon Mining Holdings Inc. (Tokyo; 30%), and Toho Titanium Co., Ltd. (Chigasaki, both Japan...
http://www.che.com/processing_and_handling/engineering_materials/Chementator-A-New-Process-for-Making-Solar-Cell-Grade-Silicon-Slated-for-Commercialization_4109.html
August 15, 2008
Researchers at the University of Surrey (U.K., www.surrey.ac.uk) have discovered a method to make ultra-small, pure crystals of buckminsterfullerene (C60). Lozenge-shaped crystals...
http://www.che.com/processing_and_handling/engineering_materials/Chementator-Tiny-Buckyball-Crystals_4114.html
July 15, 2008
  Much as the chemical process industries (CPI) themselves are always evolving, so too are the engineering materials that play a role behind the scenes. While they may not always make headlines as groundbreaking scientific technologies tend to do, new and improved engineering materials are constantly emerging to enhance and advance the practice of chemistry. A few of the latest materials are...
http://www.che.com/processing_and_handling/engineering_materials/Newsfront-Material-Marvels_4003.html
July 15, 2008
The Dow Performance Fluids, a business of Dow Chemical Co. (Midland, Mich.; edlinks.che.com/7374-546) has introduced a new high-temperature cleaning solvent for cleaning polymer-process reactor vessels...
http://www.che.com/processing_and_handling/engineering_materials/Chementator-A-new-solvent_4041.html
June 15, 2008
At 2,064 ft as of this past April, the unfinished Burj Dubai skyscraper in the United Arab Emirates is the tallest man-made structure on earth. "A structure of this kind is only possible if the right [concrete] mixture is guaranteed," as BASF’s executive director for research Stefan Marcinowski has pointed out. In fact, "a chemist with an analytical laboratory is constantly monitoring...
http://www.che.com/processing_and_handling/engineering_materials/Newsfront-Chemistry-for-Construction-A-A_3938.html
June 15, 2008
Honeywell Specialty Materials (Morristown, N.J.; edlinks.che.com/7373-546) has launched PowerShield PV325, a material that protects photovoltaic (PV) modules — including the critical components that convert sunlight into electricity...
http://www.che.com/processing_and_handling/engineering_materials/Chementator-A-barrier-for-PVs_3969.html
June 15, 2008
One of the earliest applications for zirconium in the chemical process industries (CPI) is for sulfuric acid service. Used commonly during the manufacture of chemicals as a catalyst, dehydrating agent, absorbent, or an oxidizing or reducing agent, sulfuric acid is one of the most important and the largest produced inorganic chemicals in the world. Zirconium has been chosen for sulfuric acid environments...
http://www.che.com/processing_and_handling/engineering_materials/Zirconium-and-its-Alloys-For-Extreme-Sulfuric-Acid-Applications_3973.html
May 15, 2008
Carbone Lorraine (CL; Paris, France; edlinks.che.com/7372-538) is launching a new welded-plate heat exchanger, dubbed Heatex, which features plates made of tantalum CL-Clad. The patented CL-Clad technology involves the brazing of steel onto "reactive" metals, such as tantalum, titanium and zirconium, in order to fabricate columns, reactors and (now) heat exchangers used in corrosive service. Such...
http://www.che.com/processing_and_handling/engineering_materials/Chementator-These-Heat-Exchangers-Feature-Tantalum-as-an-Alternative-to-Graphite_3880.html
May 15, 2008
A new roll-to-roll manufacturing process promises to overcome the major cost barriers impeding the widespread adoption of high-performance organic light-emitting diodes (OLEDs) for lighting, e-paper and display applications. The culmination of a four-year, $13-million research partnership between GE Global Research (Niskayuna, N.Y.; edlinks.che.com/7372-542), Energy Conversion Devices, Inc. (ECD; Rochester...
http://www.che.com/processing_and_handling/engineering_materials/Chementator-Roll-to-Roll-Manufacturing-a-Breakthrough-for-OLED-Commercialization_3882.html
May 15, 2008
Because parts made from boron carbide have a higher rigidity and lower weight compared with those made from silicon carbide and alumina, boron carbide parts are important components for semiconductor manufacturing equipment and other components requiring high-temperature and abrasion resistance, including nozzles, mechanical seals and hard-disc substrates. However, making boron carbide parts with complex...
http://www.che.com/processing_and_handling/engineering_materials/Chementator-A-Less-Expensive-Way-to-Make-Boron-Carbide-Components_3883.html
May 15, 2008
Photovoltaics manufacturer Konarka Technologies, Inc. (Lowell, Mass; edlinks.che.com/7372-546) has successfully performed the first use of drop-on-demand inkjet printheads for the fabrication of organic solar cells. Using a Dimatix Materials Printer (DMP) provided by Fujifilm Dimatix...
http://www.che.com/processing_and_handling/engineering_materials/Chementator-Printing-Solar-Cells_3885.html
May 15, 2008
Last month, Henkel KgaA (Düsseldorf, Germany; edlinks.che.com/7372-552) introduced a new conversion coating process called TecTalis, which replaces zinc...
http://www.che.com/processing_and_handling/engineering_materials/Chementator-Metal-Pretreatment_3889.html
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