Virginia Tech researchers have put that idea to the test, creating degradable polymers with a new molecular architecture that combines properties that are often difficult to achieve in one material: strength, toughness, flexibility, and the ability to block oxygen.
Master Bond EP55TCFL is a thermally conductive, electrically insulating epoxy system developed for bonding, sealing, coating, and small potting applications. It meets NASA low outgassing specifications and incorporates a filler with small particle sizes, enabling application in thin bond lines to minimize thermal resistance.
Researchers developed isosorbide-based plasticizers that made brittle poly(isosorbide carbonate) more flexible while preserving its ability to undergo ammonolysis after use. The resulting degradation products supported plant growth, including in an edible vegetable, highlighting a new way to design plastics with a useful end-of-life function.
A new type of plastic that turns into a gas when heated and reforms into a solid when cooled has been developed by scientists at the University of Surrey, opening up a new approach to processing and recycling polymers.
Virginia Tech chemist and chemical engineer Guoliang “Greg” Liu and his lab have developed a process that converts the plastic polyvinyl chloride (PVC) into polyalphaolefin, a key component in lubricants such as engine oil.
The review compares phase inversion, film stretching, melt extrusion, sacrificial templating, and electrospinning as routes to PFAS-free waterproof breathable membranes. It finds that no single method maximizes waterproofness, breathability, durability, and scalability, highlighting the need for application-specific design and standardized testing.
Researchers showed that strong metal-polymer bonding depends on electron donation from polymer functional groups into vacant orbitals on oxidized metal surfaces. By engineering oxygen vacancies and carboxyl groups, they increased the tensile-shear strength of magnesium alloy/CFRTP joints by more than 400%.
Researchers embedded a sulfonate-functionalized covalent organic framework in a fluorinated polymer electrolyte, creating ordered pathways that increased sodium-ion conductivity to 1.2 mS cm?¹ at 30 °C. The composite supported long-lived sodium-metal cycling and retained 87.3% capacity after 488 cycles in a 1 Ah solid-state pouch cell.
Master Bond UV16Med-FD is a one part, low viscosity, epoxy based UV curable system containing a fluorescent dye for identification.
Researchers have developed a new 3D printing technique that allows the printing of whole objects and controls the temperature of the chemical reaction to stabilize the process.
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