Researchers at the Department of Energy’s Oak Ridge National Laboratory have developed an upcycling approach that adds value to discarded plastics for reuse in additive manufacturing, or 3D printing. The readily adoptable, scalable method introduces a closed-loop strategy that could globally reduce plastic waste and cut carbon emissions tied to plastic production.
ORNL Story tips: Tailor-made molecules, better battery electrolytes, beyond Moore’s Law and improving climate model accuracy
Dr. Edwin L. Thomas, professor in the Department of Materials Science and Engineering, and a team of researchers from Texas A&M University and Yonsei University recently discovered a helicoidal-shaped defect in layered polymers, uncovering how solvents can diffuse through layers and produce color changes.
Researchers reporting in ACS Central Science have developed a shape memory polymer that stores almost six times more energy than previous versions.
Arthi Jayaraman leads a computational materials research lab as a professor of chemical and biomolecular engineering and materials science at UD. She has recently been honored by professional societies in three different disciplines, recognizing her work and its value in the fields of physics, chemistry and engineering.
Florida State University researchers are helping to write the “cookbook” describing the properties of vitrimers, a promising material that combines the benefits of different types of polymers.
The editors of MIT Technology Review have chosen Argonne’s Jie Xu as an Innovator Under 35 for 2021. She is one of only 35 innovators under the age of 35 named to this list. She is being recognized for her research on printable skin-like electronics.
Meteorites that do not experience high temperatures at any point in their existence provide a good record of complex chemistry present when or before our solar system was formed. So researchers have examined individual amino acids in these meteorites, many of which are not in present-day organisms. In Physics of Fluids, researchers show the existence of a systematic group of amino acid polymers across several members of the oldest meteorite class, the CV3 type.
Stepping into their superhero gear, Argonne scientists are using science and the world’s best technology to combat some of Earth’s toughest foes, from pollution to climate change.
The new material, which the Advanced Photon Source helped characterize, is strong yet stretchable, and could be ideal for creating artificial tendons and ligaments for prosthetics and robotics.
New computer design methods pave the way for scientists to design and assemble bundles of peptides with specific size, shape, and display characteristics. Scientists can then link these customizable building blocks, called bundlemers, to produce a huge array of polymers.
Scientists have created a new type of electricity-conducting polymer containing both linear and ring elements. The new polymers have very different electronic properties than scientists would expect if the polymers simply added the contributions from each linear and ring component. The polymers open new avenues for moving energy within and between polymers.
Single-use plastic bags continue to pose a global environmental challenge, as their composition and form makes them difficult to recycle, and hundreds of years are required for them to degrade fully in the environment. While reusabable shopping bags offer an earth-friendly option, what if plastic bags could be recycled or placed in our composts?
Plastic waste is a major environmental issue. New research into plastics’ fundamental chemistry may help industry transform waste into useful products and make cyclical plastics that can be recycled over and over again.
Ryan Hayward studies the performance of certain organic polymers and molecules that conduct electricity by precisely packing them into well-formed crystalline structures. Discoveries are leading to simpler, less expensive, and cleaner processes, as in electronic devices.
A new platform could accelerate the development of blended materials with desired properties.
Researchers at the FAMU-FSU College of Engineering have made new discoveries on the effects of temperature on sustainable polymers. Their findings may help the industry to produce plastics that are better for the environment.
Researchers have demonstrated a way to use low-energy, visible light to produce polymer gel objects from pure monomer solutions. The work sheds further light on the ways in which low energy photons can combine to produce high energy excited states.
ORNL Story Tips: Cool smart walls, magnetism twist, fuel cost savings and polymers’ impact
Scientists have used simulations to discover a special polymer liquid that, when elongated don’t just stretch out; they also tie themselves into knots. This forms massive molecular chains that can increase the fluid’s viscosity, or resistance to flow, by a factor of 20.
UC San Diego researchers formulated polyurethane foams, made from algae oil, to meet commercial specifications for midsole shoes and the foot-bed of flip-flops. Their latest result, in a series of recent research publications, offers a complete solution to the plastics problem—at least for polyurethanes.
Researchers at Berkeley Lab, in collaboration with Carnegie Mellon University, have developed a new battery material that could enable long-range electric vehicles that can drive for hundreds of miles on a single charge, and electric planes called eVTOLs for fast, environmentally friendly commutes.
A doctoral student at the Technion – Israel Institute of Technology has invented a soft polymer that is elastic and waterproof, and that knows how to heal itself in the event of an “injury,” such as a scratch, cut, or twist.
Scientists at Berkeley Lab and Stanford have joined forces to aim a gene-targeting, antiviral agent called PAC-MAN against COVID-19.
ORNL story Tips: Mining for COVID, rules to grow by and the 3D connection
Researchers reporting in ACS Central Science have developed a method to visualize variations in polymers that arise with age.
Researchers report in ACS Central Science a way to recycle used polyurethanes into equivalent or even higher-value items.
A new technique developed by a team including researchers from the U.S. Department of Energy (DOE)’s Argonne National Laboratory makes atomic layer deposition possible on nearly any membrane.
Collaborators from the University of California San Diego and New York University (NYU) used salt, soap and water to make “bling” with a proposed novel experiment by UC San Diego’s Jérémie Palacci to form ionic colloidal crystals from common colloids.
As reel-to-reel tapes make a comeback among audio buffs, scientists are unraveling the secret of why some decades-old tapes are unplayable, while others retain their original superb audio fidelity. The researchers are presenting their results through ACS SciMeetings online platform.
LSU researchers are using neutron scattering at ORNL to study crystallization-driven self-assembly, a technique for forming nanoscale solid materials from solutions to understand how the technique could be used to craft controlled-shape nanostructures from polymers known as polypeptoids.
Researchers at Oak Ridge National Laboratory and the University of Tennessee achieved a rare look at the inner workings of polymer self-assembly at an oil-water interface to advance materials for neuromorphic computing and bio-inspired technologies.
Physicists show unique polymer behavior using computer simulationsEmploying a computer simulation, physicists Maximilian Liebetreu and Christos Likos have shown a unique dynamic behavior of cyclic polymers. Their motion can be distinguished into phases, and the scientists were able to observe the so-called “inflation phase” for the first time.
Scientists at Berkeley Lab’s Molecular Foundry have designed a biocompatible polymer that has the potential to advance photothermal therapy, a technique that deploys near-infrared light to combat antibacterial-resistant infections and cancer.
Rigoberto “Gobet” Advincula has been named Governor’s Chair of Advanced and Nanostructured Materials at the Department of Energy’s Oak Ridge National Laboratory and the University of Tennessee.
A Rutgers-led team of engineers has developed an automated way to produce polymers, making it much easier to create advanced materials aimed at improving human health. The innovation is a critical step in pushing the limits for researchers who want to explore large libraries of polymers, including plastics and fibers, for chemical and biological applications such as drugs and regenerative medicine through tissue engineering.
Rutgers engineers have embedded high performance electrical circuits inside 3D-printed plastics, which could lead to smaller and versatile drones and better-performing small satellites, biomedical implants and smart structures. They used pulses of high-energy light to fuse tiny silver wires, resulting in circuits that conduct 10 times more electricity than the state of the art, according to a study in the journal Additive Manufacturing. By increasing conductivity 10-fold, the engineers can reduce energy use, extend the life of devices and increase their performance.
A multi-institutional collaboration reports a catalytic method for selectively converting discarded plastics into higher quality products. The team included Argonne National Laboratory, Ames Laboratory, Northwestern University and three other universities.
Researchers reporting in ACS Central Science have developed a catalyst that can transform polyethylene –– the type of plastic used to make grocery bags –– into high-quality liquid products, such as motor oils and waxes.
For years, scientists have formed polymers using the interaction of charges on molecular chains to determine the shape, geometry, and other properties. Now, a team achieved precise and predictable control of molecular chains by positioning charges. Their method leads to particles with reproducible sizes.