The fundamentals of powder coating formulating and the associated performance of different resin chemistries will be introduced, including examples of typical end uses for each chemistry. Formulation components, including resins and crosslinkers, reactive additives, nonreactive additives, colorant pigments and extenders will be explained on how and why they are used. The presentation will wrap up with a summary of the philosophy of formulating a successful powder coating.
Colorants for UV-curable coatings are uniquely suitable for energy-efficient curing process, and are part of the green revolution in the coatings industry. In these low-VOC colorants, some of the pigments are bio-based. These are fast drying compared to water-based, and compared to solvent based, these are VOC free and offer superior gloss and finish properties on wood, plastic, glass and other substrates. In other words, these colorants for UV curable offer another option to reduce solvent emissions, and quick curing process, reducing energy consumption. Initially designed for wood finishes, new applications include alternatives for some powder coatings and sign coatings (on plastic and glass) with excellent durability and technical properties. Because of the unique composition, these colorants are compatible in a variety of resin systems, offer advantages over UV-cured water and solvent types. With a gamut of 16 colorants (using pigment with interior and exterior durability, and opaque and transparent), formulators now have options to match many shades in 3-60 micron films to satisfy their customer needs. In addition, these colorants have excellent shelf stability, a major improvement over the previous technology, which was a hindrance to popularity of such products, and have global registration.
This presentation gives a general overview of engineered synthetic silica in the marketplace. The overview will cover types of silica, general manufacturing, their particle characteristics and impact in coatings. The presentation will then focus on the use of the fumed metal oxides as fluidization additives for powder coating and how they disrupt the various forces that causes caking of the powders.
This presentation will take a deeper look into the processes of pre-mixing, metallic blending and metallic bonding, analyzing how the mixing process can be improved in order to achieve the best final product, through a complete automatic control. It will also introduce attendees to a new function developed by Promixon R&D department to determine the right melting temperature directly during the mixing phase: the EASYBOND function.
Hands-On Demonstration at PCR Group’s lab, 1823 O’Brien Road
Two Doors South of the Westin Hotel at 346 S. High St. Columbus, OH, 43215