Articles tagged with Adhesives
The study reports a green ion-exchange, self-catalytic strategy for turning pulp-waste lignin into high-performance wood adhesives. The optimized LA/CA adhesive showed strong dry and wet performance, meeting Type I plywood requirements and reducing costs by up to 69.6% compared to petrochemical-based adhesives.
Researchers identified a protein from the quagga mussel that can stick to surfaces underwater without DOPA, a modified amino acid previously thought essential for adhesion. The findings could inform the design of future medical glues and anti-fouling technologies.
Ordinary adhesive tape stores a sequence of multiple memories with tunable strength, allowing for simple mechanical calculations. Researchers developed an automated device to create these memories by peeling the tape past designated distances.
Engineers developed an adhesive gel that can deliver substances into plants' tissues, clearing bacterial infections within 48 hours. The gel sticks to various surfaces, including hairy leaves and stems, and can be removed without damage.
Researchers have developed a water-soluble cellulose ethyl phosphite (CEP) adhesive that integrates high bonding strength, environmental tolerance, and recyclability. The CEP adhesive demonstrates remarkable thermal stability and resistance to moisture-related degradation, making it suitable for various applications.
Scientists developed a scalable ultrastrong bamboo strip through homogeneous fusion, achieving 942 MPa tensile strength and 32.1 GPa Young's modulus. The material demonstrates exceptional durability, biodegradability, and practical scalability for various industries.
Researchers develop programmable system to selectively pick up and place delicate electronic components, enabling mass production of defect-free displays and 3D microchips. The 'smart stamp' technology uses localized heating to control a polymer's stickiness, allowing precise transfer of semiconductor chips and other materials.
Kyushu University researchers observed individual polymer chains' behavior on solid surfaces, revealing non-equilibrium dynamics and thermal fluctuations. The study contributes to enhancing adhesive performance and lightweighting of materials.
Developing a lifesaving device that can stop fatal blood loss in seconds, researchers at Texas A&M University have made significant breakthroughs. By using clay minerals and nano-silicate particles, the team has created injectable hemostatic bandages that reduce bleeding time by nearly 70%.
Researchers at King's College London and San Diego State University identified the molecular interactions that give spider silk its exceptional strength and flexibility. The findings provide general design principles for developing high-performance, sustainable fibers.
Jeonbuk National University researchers have developed a novel, eco-friendly, and photo-switchable smart adhesive using biomass-derived materials. The adhesive demonstrates reversible light-controlled adhesion and retains over 90% of its original strength after repeated usage cycles.
Researchers developed a composite bioabsorbable hemostatic sponge inspired by mussels and extracellular matrix. The sponge quickly absorbs blood and firmly adheres to tissues, enhancing hemostatic performance. It promotes wound stabilization, accelerates blood clotting, and reduces inflammation and tissue damage.
Scientists at The University of Osaka developed a polymeric adhesive that can be reused repeatedly by introducing reversible bonds into the interface. This technology could improve manufacturing yield, reduce costs and minimize waste.
Researchers from Seoul National University of Science & Technology developed a smart adhesive system based on starfish for temporary and switchable underwater adhesion. The system exhibits high adhesion hysteresis, automatic release based on outside stimuli, and quick detachment by pneumatic actuation.
Researchers at Texas A&M University have developed a new type of adhesive that could improve the comfort and safety of wearable medical devices. The adhesive, made from polyelectrolyte-complex coatings, is water-based and has been shown to match the strength of commercial-grade adhesives while reducing skin irritation.
Researchers developed a self-adaptive core-shell dry adhesive with remarkable performance under non-parallel contact. The 'live core' adapts to macroscopic interfacial angle errors, enabling stress equalization and high adhesion strength.
A team of researchers from Syracuse University and the University of Louisiana at Lafayette has discovered a new surface texture on sculpin fins that may enhance their grip in harsh environments. This finding could lead to the development of bio-inspired adhesives for robots, medical devices, and other applications.
Jiawei Yang creates bioadhesives with two layers, a transparent solid hydrogel layer and a clear liquid adhesive layer, to provide fast, strong, stable, and deep adhesion in the body. The new bioadhesives have potential applications in treating Parkinson's disease, heart failure, and healing damaged cartilage.
Researchers have developed a more efficient method to monitor the olive fly population, enabling growers to make informed decisions on pest control. The new system uses small double-sided yellow adhesive panels, distributed at 4-15 traps per hectare, to accurately estimate olive fly numbers and damage.
A new polymer adhesive has been developed that can be removed from plastic surfaces with basic or alkaline solutions, improving the quality of recycled plastic. This breakthrough could transform how waste is handled across industries by making it easier to separate different materials during recycling.
A recent study by UCLA researchers has discovered high amounts of bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate (BTMPS) in illicitly sold fentanyl. BTMPS is not approved for human consumption and has been linked to serious health effects such as cardiotoxicity and ocular damage.
Researchers developed a novel biocompatible nanoadhesive for corneal transplantation, showcasing improved cell compatibility and antibacterial performance. The nanoadhesive demonstrates strong adhesive strength and prevents wound infection without causing necrosis.
Researchers have developed a new, low-cost triboelectric nanogenerator (TENG) that harnesses the power of tacky tape to generate electricity. The device produces up to 53 milliwatts of power and can light over 350 LED lights or power a laser pointer.
A POSTECH research team found that EGF/EGF-like domains interact with GlcNAc-based biopolymers to achieve strong underwater adhesion without oxidation, leading to durable and reversible bonds.
Researchers developed mucoadhesive films combining xyloglucan and green tea extract to treat oral mucositis, a painful inflammation caused by cancer treatment. The films demonstrated high strength and adhesion forces comparable to commercial products, showing promise as a novel treatment for oral mucositis.
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.
Researchers developed a novel inhalable therapeutic delivery system for lung cancer using mucoadhesive protein nanoparticles inspired by marine mussels. The approach leverages the adhesive properties of mussel proteins to enable selective payload release and minimize adverse effects.
Researchers at POSTECH developed an innovative injectable adhesive hydrogel that regenerates bone using harmless visible light. The hydrogel addresses limitations of existing treatments by simultaneously achieving cross-linking and mineralization without separate bone grafts or adhesives.
A team of researchers from over 5 countries found a Neanderthal structure in Vanguard Cave, Gibraltar, that matches theoretical studies on anoxic heating. The discovery suggests Neanderthals had advanced cognitive abilities, including organization and practice to extract resin.
Liquid-based electronic materials offer inherent flexibility and conformability, mitigating mechanical mismatches between human tissues and electronic devices. These materials have been demonstrated in various applications such as strain sensors, touch sensors, implantable stimulators, encapsulation solutions, and adhesives.
Researchers developed an octopus-inspired adhesive with elastic, curved stalk and membrane that adheres to multiple surfaces in wet environments. The adhesive demonstrated strong attachment to complex objects and could be rapidly attached and released.
Researchers at Tufts University develop a web-slinging technology that shoots fibers from a needle, solidifies into a string, and adheres to objects. The innovation uses silk fibroin solution with added dopamine and chitosan to increase tensile strength and adhesiveness.
Researchers have developed functional interlocking metasurfaces that offer more structural strength and stability than traditional techniques like bolts and adhesives. These metasurfaces can selectively disengage and re-engage on demand while maintaining consistent joint strength.
Researchers have developed an octopus-inspired adhesive that can quickly grab and controllably release challenging underwater objects. The adhesive achieves high attachment strength on various surfaces, including rough and curved ones, within a fraction of a second.
The ADA Forsyth Institute has received a $6.2 million grant from the NIH to design an AI-driven amalgam replacement for dental restoratives. The new material will feature self-healing and antimicrobial properties, responding to biological signals in each individual patient's mouth.
Researchers at Nagoya University developed a new adhesive combining epoxy resin and hydrogen-bonded styrenic thermoplastic elastomers. The breakthrough offers unparalleled impact strength, enabling lighter vehicle production with improved fuel efficiency and reduced emissions.
A new type of mussel-inspired adhesive has been developed that can be deactivated 'on command' through oxidation, allowing for efficient repair and recycling. The biobased adhesive loses its stickiness without becoming dramatically hydrophobic, making it easier to remove.
Glassy gels are a new class of materials that combine the properties of glassy polymers and gels, with unique characteristics including high elasticity and adhesive surfaces. The materials were created by mixing liquid precursors with an ionic liquid, resulting in a hard yet stretchable material.
Researchers developed an adhesive sensing device that seamlessly attaches to human skin to detect and monitor various health signals, such as glucose levels and heart rate. The device can be reprogrammed and recycled, making it a potential tool for managing diseases like diabetes.
Researchers developed adhesive hydrogel coatings that eliminate fibrosis, a common issue with medical implants. The coatings bind devices to tissue and prevent the immune system from attacking them.
Researchers analyzed wheat-based glues used in historic bookbinding to understand their adhesiveness and degradation. They found that starch glue is more durable and flexible than flour glue, making it a potentially better choice for book repairs.
Researchers at Brigham and Women's Hospital developed a sprayable adhesive hydrogel product to address GI wound management limitations. The material promotes rapid wound healing, provides tissue protection, and minimizes complications under harsh conditions.
Neanderthals used a complex adhesive made from ochre and bitumen to construct their stone tools, revealing higher levels of cognition and cultural development than previously thought. This discovery provides early evidence of adhesive use in Europe and sheds light on the cognitive abilities of Neanderthals.
Researchers developed customized adhesive patches using mussel-derived proteins, exhibiting strong underwater adhesion, biocompatibility, and adjustable degradation time. These patches showed successful treatment in animal models, paving the way for personalized medical applications.
Researchers developed a UV-sensitive tape that can transfer 2D materials like graphene with ease, reducing damage and increasing efficiency. The new technology allows for flexible plastics to be used in device substrates, expanding potential applications.
A KAIST research team has developed a stretchable and adhesive microneedle sensor that can detect physiological signals without being affected by sweat and dead skin. The sensor allows for long-term stable control of wearable robots, enabling precise movement recognition for rehabilitation treatments.
Researchers at KAIST have developed a micro-vacuum assisted selective transfer printing (µVAST) technology to improve the transfer of microLED chips. The technology uses laser-induced etching to create micro-hole arrays on glass substrates, allowing for precise alignment and higher adhesion switchability.
Researchers developed an adhesive gel to seal and heal challenging gastrointestinal tract-to-skin connections, showing promising results in studies. The gel's unique composition ensures it can effectively seal fistulas, preventing further complications and aiding in healing.
Researchers developed a water-based emulsion adhesive that can be separated by acidic or alkaline water, making it ideal for recycling. The glue's reversible nature enables efficient detachment of labels from bottles, reducing waste sent to landfill.
A team of scientists at Newcastle University has created a novel, water-based adhesive system that can bond surfaces in the neutral pH range but can be detached again in strongly acidic or alkaline environments. The new adhesive exhibits high adhesion strength to difficult-to-bond polypropylene surfaces.
Researchers from Incheon National University create gelatin patches that generate molecular oxygen to accelerate wound healing. The new hydrogels demonstrate improved coagulation, blood closure, and neovascularization in both in vitro and in vivo experiments.
Researchers develop natural-based, low-carbon building materials by mimicking the composite adhesive secreted by sandcastle worms, which binds grains together. These materials exhibit good mechanical performance and can be constructed from various grains using oppositely charged bio-polymer adhesives.
Researchers have developed a new flexible adhesive with improved recovery capabilities and high adhesive strength, enabling applications in foldable displays and medical devices. The adhesive demonstrated remarkable stability under repeated deformation and strain, making it suitable for fields requiring flexibility and optical clarity.
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.
A team of Purdue researchers developed patent-pending adhesive formulations from sustainable bio-based components that grow stronger when exposed to water. The adhesives have potential applications in coral reef restoration, construction, biomedical, dental, food, and cosmetic industries.
Researchers at NIMS have created a novel adhesive that can be repeatedly bonded and unbonded under controlled conditions. This 'reset-on-demand' technology allows for the recovery and reuse of both the adhesive and substrate, addressing environmental concerns while maintaining strong adhesion.
Scientists at the University of Surrey have developed a new degradable adhesive that can dissolve adhesive residue left on recyclable materials, improving recycling processes and product quality. The additive, similar to commercial packaging tape, allows for faster label detachment and reduces environmental impact.
Researchers at Virginia Tech developed a method to create adhesives with both strong bonds and easy removal using the ancient Japanese art of cutting paper. This innovation has potential applications in robotic grasping, wearables for health monitoring, and manufacturing for assembly and recycling.
Researchers at Oregon State University have developed a process to convert waste PVC into a wax-based adhesive, which can replace traditional adhesives in the flooring industry. The new adhesive avoids volatile organic compounds (VOCs) and has potential applications in various construction sectors.