By Jim Raymont, director of sales, EIT 2.0 LLC UV LEDs with peak spectral outputs between 365-405 nanometers (nm) increasingly are being used to cure adhesives, but converting a process from mercury to LED may involve more than “turning on” an LED and “turning off” a mercury source. It is important to work with your supplier/formulator to test, evaluate and – if needed – … [Read more...] about UV-LED measurement solutions for adhesive-curing applications
Web Coating
Toward a better understanding of the regimes of slot-die coating
By E. J. (Ted) Lightfoot, Ph.D., principal, Ted Lightfoot LLC Introduction Slot-die coating currently is the most widely discussed coating method. This is partially due to the large body of scientific knowledge on slot-die and partly due to its use in manufacturing advanced-materials applications, such as batteries and fuel cells, as well as academic investigations of … [Read more...] about Toward a better understanding of the regimes of slot-die coating
Improving performance of waterborne barrier coatings for paper-based packaging materials
By Hanze Ying1, Bernhard Kainz1, Marc Black2, Christina Sullivan1, Kristen Gracie Carroll1, Hadrien Lenoir1, Joseph Harris2, William Liechty1, Jonathan Mason1, Ray Drumright1 1 Department of Coating Materials, The Dow Chemical Company 2 Department of Core Research and Development (R&D), The Dow Chemical Company Consumer demand for sustainability-driven solutions is … [Read more...] about Improving performance of waterborne barrier coatings for paper-based packaging materials
Multi-functional, paper & board barrier-coating systems created by multilayer curtain coating
By Donato Ventresca (recently retired TS&D specialist) and Greg Welsch, global innovation and TS&D leader, Trinseo LLC Functional coatings are applied to paper and paperboard substrates to provide resistance, or a barrier, against media such as oil and grease (OGR), water, water vapor (MVTR) and oxygen, for applications such as food packaging, foodservice and other … [Read more...] about Multi-functional, paper & board barrier-coating systems created by multilayer curtain coating
Recovery of costly solvent is critical for sustainable R2R-battery production
By David Ventola, business development dir.-Clean Technology Systems, Dürr Systems, Inc. Introduction Electric vehicles (EVs), whether cars, bikes or buses, rely on lithium-ion (Li-ion) batteries for power. With the increasing popularity of electromobility, the demand for these batteries has skyrocketed, resulting in the construction of new battery factories worldwide. … [Read more...] about Recovery of costly solvent is critical for sustainable R2R-battery production