All Raw Materials Articles

Liquid Color Measurement: A New Approach for Color Testing

By Ralph Jan Wörheide, ORONTEC Introduction When it comes to color testing, there are many precise instruments, color correction software packages, automated spray machines, etc., in the marketplace. Colorimetry is a science of great importance to the paint industry, especially in meeting the high-quality standards of customers. However, the high scientific level and the precision […]

Read More…

50 Shades of Fuchsia

Controlled Polymer Morphology with Functionality Addresses Consumer Demand for Deeper Tones and Lower VOC by Partha Majumdar, David Conner, Yuanqin Liu, Carol Hawkins, Gary W. Dombrowski, and Paul Doll, Dow Coating Materials From flat to eggshell to semi-gloss, architectural paints have made incredible gains in ultra-low VOC paint performance, but achieving a smooth, hard, glossy […]

Read More…

Versatile Pelletized Aluminum for Powder  Coatings

By Jonathan Doll, Michael Venturini, and Anthony Rohrer, Sun Chemical Corporation Introduction Powder coatings are solvent-free coating systems used for many applications due to their durability, ease of application, and environmental advantages vs liquid coating systems. Powder paints are applied to a substrate electrostatically and cured at relatively high temperatures to form a continuous, durable […]

Read More…

Polysilazanes—Binders That Make a Difference to Surfaces

By Yang Wang, EMD Performance Materials Corp., and Ralf Grottenmuller and Theresa Lorenz, Merck KGaA, Darmstadt, Germany Polysilazanes are pre-ceramic polymers with a silicon-nitrogen backbone. In recent years they have developed as a high-performance binder in protective coatings for transportation vehicles, commercial and residential buildings, and industrial plants. This article reviews their structure-property relationship and […]

Read More…

Market Update: Titanium Dioxide

By Cynthia Challener,  CoatingsTech Contributing Writer Over the last decade, the titanium dioxide (TiO2) market has been a bit turbulent. Dramatically reduced demand during the economic crisis of 2008/2009 led to plant curtailments and shutdowns. These, in turn, led to low availability—and dramatic price increases—in the following years when worldwide demand surged. By mid-2012, however, […]

Read More…

Coatings Clinic: Solvent Properties

By Clifford K. Schoff, Schoff Associates My recent articles on Hansen Solubility Parameters (CoatingsTech, May, July, and September 2018) have raised questions about what other solvent properties are important and about how to choose solvents. The main job of solvents is as carriers for resins, pigments, and other components. Other functions include controlling viscosity for […]

Read More…