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Green, Low Cost, Non-Toxic Technology for PEF Polymer Production
Summary: ISU researchers have demonstrated an inexpensive, commercially available material, as an effective catalyst for the disproportionation or isomerization of armatic carboxylates to dicarboxylates, allowing for new production routes to valuable polymers such as PET and PEF. Description: Dicarboxylic acids, such as terephthalic acid or 2,5- f...
Published: 5/24/2018
Category(s): Energy, Cleantech & Environmental, Materials
Isomerization of Muconic Acid for the Production of Bio-based Terephthalic Acid
Summary: Iowa State University researchers have developed a cost-effective method to isomerize cis-, cis- and cis-, trans- muconic acid to trans-, trans- muconic acid, which readily combines with acetylene via Diels-Alder reaction to create terepthalic acid. Description: Polyethylene-terephthalate (PET) is one of the most abundantly-used thermop...
Published: 5/21/2018
Category(s): Agriculture, Energy, Cleantech & Environmental, Materials
Synthesis of methylammonium lead iodide perovskite films via cation exchange of melt-processed films for photovoltaic applications
Summary: Iowa State University and Ames Laboratory researchers have developed a new method of making perovskite thin films for an absorber layer in photovoltaic cells. Description: Perovskite solar cells have been an area of interest in emerging solar technologies since 2009. With certified power conversion efficiency (PCE) increasing from about 1...
Published: 5/4/2018
Category(s): Ames Laboratory, Energy, Cleantech & Environmental, Materials
Cerium, Cobalt and Copper Alloy doped with Tantalum or/and Iron as a Permanent Magnet Material
Summary: ISU and Ames Laboratory researchers have develop a gap magnet that utilizes trace amount of cheaper, abundant and non-critical cerium (Ce) as an alternative to critical rare-earths containing magnet alloys. This invention makes the magnet significantly cheaper and less dependent on supplies of rare-earth materials, with that performance su...
Published: 4/30/2018
Category(s): Ames Laboratory, Engineering & Physical Sciences, Materials
Ni-Co-Mn-Ti Intermetallics with Enhanced Magnetocaloric Properties Prepared by Combination of Different Methods
Summary: Iowa State University (ISU) and Ames Laboratory (AL) researchers have developed a method to manufacture Ni-Co-Mn-Ti intermetallics with enhanced magnetocaloric properties. The resultant materials produce an extremely large magnetocaloric effect (MCE) with a modest magnetic field change. The MCE is nearly three times greater at near room te...
Published: 3/20/2018
Category(s): Ames Laboratory, Engineering & Physical Sciences, Materials
Polymers for Caloric Applications
Summary: Iowa State University and Ames Laboratory researchers have developed a new polymeric material that provides a larger electrocaloric effect than previously known polymer materials. Description: Highly-efficient, solid-state cooling devices offer the promise of greatly improved energy efficiency relative to vapor-compression refrigeration s...
Published: 2/26/2018
Category(s): Ames Laboratory, Energy, Cleantech & Environmental, Engineering & Physical Sciences, Materials
Converting levulinic acid to olefins and aromatics (i.e. hydrocarbon fuels) in a single process step without external hydrogen gas
Summary: Iowa State University researchers have developed a new catalyst that effectively converts levulinic acid to butene in a single pot process at high conversion rates and with good selectivity towards butene. As butene is insoluble in the aqueous reaction and readily separates into a second phase, allowing unconverted levulinic acid to be rea...
Published: 2/21/2018
Category(s): Engineering & Physical Sciences, Materials
Feedstock and Heterogeneous Structure for Tough Rare Earth Permanent Magnets and Production Process Thereof
Summary: Iowa State University and Ames Laboratory researchers have developed a method for producing rare earth permanent magnets (REPMs) that reduces their susceptibility to breakage. The process involves unitizing a bimodal or multimodal size distribution of powders in isostatic pressing, which minimizes crack propagation along the grain boundari...
Published: 2/21/2018
Category(s): Ames Laboratory, Engineering & Physical Sciences, Materials
Optical Nanosensors for Hydrolytic Enzyme Characterization
Summary: Iowa State University Researchers have developed a new biosensor for hydrolytic enzyme characterization based on single walled carbon nanotubes. Description: Single walled carbon nanotubes (SWNT) are becoming ubiquitous in chemical sensing applications. Able to fluoresce in the near-IR, with no photo-bleaching threshold, they are ideal fo...
Published: 2/9/2018
Category(s): Materials, Sensors & Controls
Additive manufacturing of chemically active materials
Summary: ISU researchers in conjunction with Ames Laboratory have developed a method that can 3D print chemically active materials for catalytic applications. Description: Iowa State University researchers in conjunction with Ames Laboratory have made several advances in additive manufacturing (3D printing) devices that now allow for control of ch...
Published: 1/24/2018
Category(s): Ames Laboratory, Engineering & Physical Sciences, Materials, Research Tools & Design Tools
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