The January issue of CoatingsTech focuses on Floor Coatings and provides an international update on Brazil. Features in this issue include:
Biobased Waterborne Floor Coatings with Enhanced Flow and Appearance
Stephen Hillems, John Willhite, and Ramesh Subramanian, Nuplex Resins LLC
In the flooring market, the use of sustainable, biobased materials has gained widespread interest. Although castor oil-based emulsions used as polyols in waterborne polyurethane coatings have shown outstanding chemical resistance and good durability, they have inherent issues such as very short pot life and poor appearance and flow properties. Discussed here is a new castor oil-based polyol emulsion that can be used effectively in waterborne polyurethane applications. The modified polyol emulsion was formulated with a polymeric MDI-based crosslinker, pigments, and additives to prepare thick concrete coatings. The appearance of the system, flow behavior, adhesion characteristics, surface roughness, and working life of the formulations are compared with the control to determine their possible use in high-build floor coatings.
Waterborne Epoxy Dispersions and Curing Agents for Garage Floor Coatings
Yong Zhang and Leo J. Procopio, The Dow Chemical Company
Recent work has been focused on developing waterborne coatings designed for concrete garage floor coatings. Waterborne epoxy and amine hardener systems have been developed that, when properly formulated, offer superior performance in garage floor coating applications at very low or even near-zero VOC. Clear and pigmented garage floor coating formulas are described. Various performance aspects of experimental and commercial waterborne garage floor coatings are compared, including hot-tire pickup, abrasion, chemical resistance, and low-temperature cure properties. The performance of a new generation of waterborne epoxy dispersion in garage floor coatings is also detailed.
International Update: Strong Potential Growth for Latin American Coatings Market
Cynthia Challener, CoatingsTech Contributing Writer
The Latin American coatings market often does not receive the attention it deserves, in spite of its accounting for 10% of the total global volume and 9% of the total global value of coating sales. Although some countries in the region are experiencing political and economic challenges, Latin America also offers significant growth potential. Brazil, in particular, is an active market, showing an increase in the use of paint products related to the 2014 World Cup, and is likely to receive a similar boost from the 2015 Rio de Janeiro summer Olympics. Both domestic and international manufacturers are taking advantage of the opportunities in the region, and the future appears bright for coatings in Latin America.
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