Articles tagged with Epoxies
Researchers have developed a novel solid catalyst to efficiently reclaim materials from epoxy products, including carbon fibers and glass fibers. The process uses lower temperatures than traditional methods, reducing energy requirements and making the recovery of materials more environmentally friendly.
Researchers at Colorado State University have developed a stronger, biodegradable adhesive polymer that can replace common superglues. The new polymer, made from P3HB, offers tunable adhesion strength and is biodegradable under various conditions.
A new type of cationic epoxy photoresist exhibits greater sensitivity to two-photon laser exposure, enabling fast writing speeds and fine features. The material was developed by a research team led by Professor Cuifang Kuang, who achieved lithography speeds of 100 mm/s and resolution of 170 nm.
Researchers at the University of Pittsburgh receive a $251,981 DARPA award to design more effective underwater adhesives inspired by mussels. They aim to optimize molecular-level properties for strengthened underwater infrastructure and fluidic environments.
Amino acids from lysine, glutamic acid, leucine, and serine exhibit superior curing properties compared to commercial hardeners. This study demonstrates the potential of these bio-based epoxy curing agents as a renewable alternative to petrochemical-derived amines.
Researchers at University of Tokyo developed a new plastic material called VPR, which can maintain complex shapes, repair itself with heat, and biodegrade in seawater. The material has improved toughness, shape memory, and recyclability.
A team of chemists at Purdue University has created a sustainable adhesive system that uses epoxidized soy oil, malic acid, and tannic acid. The new adhesive is inexpensive, effective, scalable, practical to produce and completely sustainable.
Researchers from Swiss Federal Laboratories for Materials Science and Technology (EMPA) have developed a fully recyclable, flame-retardant epoxy resin-based plastic. The new material retains excellent thermomechanical properties while being reshaped like a thermoplast due to the addition of a special phosphonate ester molecule.
Researchers at Aarhus University have developed a chemical process to disassemble epoxy composite materials from wind turbine blades, extracting intact glass fibres and high-quality epoxy resin building blocks. The process has potential applications for circular economies in the aerospace, automotive, and space industries.
Researchers at the University of Gothenburg have developed a new epoxy resin monomer based on isosorbide, a substance produced from glucose, to reduce contact allergies. The new monomer is far less allergenic and not based on Bisphenol A (BPA), a known endocrine disruptor.
Researchers created adaptive optical phantoms by combining multiple pigments to mimic target tissue's optical properties, successfully validating them in extensive experiments. The new platform enables broader band spectra for emerging hybrid modalities and novel instruments.
Researchers at the University of Sheffield have discovered that epoxy-functionalized nanoparticles can significantly reduce friction on stainless steel surfaces. The nanoparticles adhere strongly to metal surfaces due to chemical adsorption, leading to a notable reduction in friction. This finding has potential implications for next-ge...
A University of Illinois team discovered liquid crystalline epoxy resins with high thermal conductivity, outperforming common polymers by up to 5 times. The breakthrough was achieved by precisely controlling the lengths of ethylene repeat units in the polymer structure.
Researchers introduce flower-like nickel phyllosilicates to epoxy resin, enhancing mechanical property, thermal stability, and tribological response. The addition of 5% nanofillers can suppress wear resistance by 86.6%, improving anti-wear properties.
A 13-year-long study finds that fiber-reinforced polymer (FRP) coatings can sustain concrete structures for extended periods. The study tested FRP and glass fiber reinforced polymer (GFRP) systems under various environmental conditions, revealing significant impact on bond behavior.
Researchers have developed a novel data storage method using mixtures of fluorescent dyes, which can store binary information at high density with fast read/write speeds. The technique encodes sequences of 0s and 1s into dye molecules, allowing for the storage of digital information for thousands of years or longer.
Researchers at the Institute for Basic Science have developed a foldable quantum dot LED that can be transformed into various complex 3D structures, such as butterflies and pyramids. The technology employs selective laser-etching to create precise curvature lines, allowing for stable light-emitting performance even after repeated folding.
Mechanical engineering researchers at Michigan Technological University have created a 3D-printable nanocomposite polymeric ink using carbon nanotubes. The ink's properties, such as electrical conductivity and increased strength, make it suitable for various applications, including aerospace and electronics industries.
Researchers have created a new adhesive that can be cured using a magnetic field, offering a more efficient alternative to traditional methods. The 'magnetocuring' glue has the potential to revolutionize industries such as sports equipment, automotive and electronics manufacturing.
David Wetz at UTA is working with the Navy to study dielectric insulation properties of epoxy and additively manufactured materials. The goal is to improve their insulation properties in compact high-voltage systems, potentially reducing overall system size and weight.
A team of scientists introduces a 'meta-grid' of nanoparticles that significantly enhances the light output of LEDs while reducing energy consumption. By reducing Fresnel reflection loss, the 'meta-grid' increases the lifetime of LED chips by eliminating unwanted heat.
A team of researchers at the University of Johannesburg has developed a natural fibre-reinforced polymer hybrid nanocomposite material using plantain fibers and carbon nanotubes. The resulting composite exhibits improved tensile and flexural strength compared to epoxy resin alone.
Researchers at KIST developed a flame-retardant carbon fiber-reinforced composite material using plant-originated tannic acid. The new method allows for the recovery of over 99% of the composite material through dissolution in water, eliminating toxic substances generated during recycling.
A team of researchers from Henan University has investigated the flame retardant performance of epoxy resin using a boron nitride nanosheet decorated with cobalt ferrite nanoparticle. The as-prepared CFN-BNNS exhibits superior paramagnetic properties, contributing to better flame retardant performance compared to random alignment.
A protective layer of epoxy resin helps prevent lead leakage from perovskite solar cells, outperforming rival materials under various weather conditions. The 'self-healing' property of the polymer limits lead release when damaged, making it a strong candidate for commercial viability.
The study evaluated four chemical fixatives, including diisocyanate, carbodiimide, epoxy compound, and genipin, on bovine pericardium biomeshes. The results showed that three of the four tested agents significantly increased the resistance of biomeshes to collagenase.
Researchers discovered that froghoppers pierce leaves with their hind-leg spines to create traction, while also indenting epoxy surfaces to avoid slipping. This unique attachment mechanism could lead to innovative gripping systems for robots.
Rice University scientists have developed a new epoxy compound that combines graphene foam for improved conductivity and strength. The composite material is substantially tougher than pure epoxy and far more conductive, while retaining its low density.
A recent Texas A&M AgriLife study reveals that dietary exposure to bisphenol-A (BPA) can increase mortality and worsen symptoms of inflammatory bowel disease (IBD). Researchers found BPA altered gut microbial amino acid metabolism, leading to increased inflammation and reduced compound production related to serotonin breakdown.
Researchers developed a new curing agent made from castor oil components that strengthened a soybean-based epoxy thermoset, increasing its durability and heat resistance. The material also allows light to pass through, potentially ideal for applications like solar cells.
A team of NASA scientists is developing a compact, low-cost telescope for CubeSats that will utilize a mirror made of carbon nanotubes in an epoxy resin. The technology aims to provide a sensitive instrument for quick exploratory missions or as part of a constellation of similar CubeSats.
Researchers have discovered that boron nitride nanotubes can create even stronger and more stable materials when combined with lightweight polymers than previously thought. The unique properties of boron nitride nanotubes make them an attractive alternative to carbon nanotubes for aerospace and other industries.
Scientists have developed a thermomagnetic processing method that controls the orientation of molecules in liquid crystalline epoxy resins. This leads to highly aligned structures with near-zero coefficient of thermal expansion, potentially enabling new structural designs and functional composites.
UT researchers successfully test technology to insulate and stabilize central solenoid, a critical component in experimental fusion reactor. The technology uses a glass fiber and epoxy mixture to provide electrical insulation and strength.
Researchers at NJIT have developed a safe and sustainable alternative to BPA in consumer products. The new epoxy resin is derived from corn starch and offers a renewable resource with estrogenic properties similar to BPA.
Researchers at Rensselaer Polytechnic Institute have discovered that incorporating treated carbon nanotubes into epoxy composites can significantly improve toughness and crack resistance. The study found a five-fold reduction in crack growth rate when subjected to repetitive stress.
Scientists at the University of Illinois have developed a novel self-healing system using a non-toxic food additive to restore damaged polymers. The new repair process, which mimics human wound healing, has achieved 100% healing efficiency in tests.
Scientists at NASA Goddard Space Flight Center have developed a novel method for creating massive telescope mirrors on the Moon, utilizing carbon nanotubes and lunar dust. The technique enables the production of highly reflective mirrors with minimal effort and cost, paving the way for giant telescopes up to 50 meters in diameter.
Researchers at the University of Illinois developed self-healing materials that can heal cracks in a continuous cycle. The new materials feature embedded microvascular networks that emulate biological circulatory systems, allowing minor damage to be healed repeatedly without exhausting the supply of healing agent.
Researchers at NIST collaborate with industry partners to devise rapid screening and measurement methods for new epoxies, pressure-sensitive adhesives, and other high-value products. A miniaturized test platform utilizing micro-lens technology is designed to screen hundreds of adhesive formulations in an automated process.
Researchers at the University of Pennsylvania have developed a new type of epoxy that is three times harder and conducts heat significantly better than regular epoxy. The addition of carbon nanotubes to the adhesive yields enhanced thermal conductivity and mechanical strength.
Researchers at Cornell University have developed an environmentally friendly adhesive that can be easily removed and cleaned up, making it possible to recycle outmoded computers. The adhesive, dubbed Alpha-Terp, can be broken down using heat or industrial solvents, allowing for the reuse of valuable components.