A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Quality beneath your feet. Low addition levels of advanced materials improve parquet floor coatings
Recent developments in additive technology are reviewed with reference to their use in parquet floor coatings. Small quantities of additives can have a major effect and be crucial to the market success of the coating. Silicone additives that reduce surface tension often increase foaming, but specially modified siloxanes can even assist in achieving both wetting and defoaming. Recent advances in technology to increase scratch resistance include the development of 'wax alloys' and hard nanoparticles while a new dispersant assists in matting high solids coatings with silica. Matting of high solids coatings poses several problems. A new dispersant based on a diblock copolymer not only reduces the impact of silica on viscosity, but also increases its efficiency and transparency. Tests on UV primers identified adhesion differences between wood species and some specific causes of adhesion problems. Teak is the worst type of wood as regards substrate wetting, leading to inferior coating adhesion. Wood extracts added to solvent-free UV coatings showed the influence of wood components on curing and mechanical properties in more detail.
Quality beneath your feet. Low addition levels of advanced materials improve parquet floor coatings
Recent developments in additive technology are reviewed with reference to their use in parquet floor coatings. Small quantities of additives can have a major effect and be crucial to the market success of the coating. Silicone additives that reduce surface tension often increase foaming, but specially modified siloxanes can even assist in achieving both wetting and defoaming. Recent advances in technology to increase scratch resistance include the development of 'wax alloys' and hard nanoparticles while a new dispersant assists in matting high solids coatings with silica. Matting of high solids coatings poses several problems. A new dispersant based on a diblock copolymer not only reduces the impact of silica on viscosity, but also increases its efficiency and transparency. Tests on UV primers identified adhesion differences between wood species and some specific causes of adhesion problems. Teak is the worst type of wood as regards substrate wetting, leading to inferior coating adhesion. Wood extracts added to solvent-free UV coatings showed the influence of wood components on curing and mechanical properties in more detail.
Quality beneath your feet. Low addition levels of advanced materials improve parquet floor coatings
Schulte, Klaus (author)
European Coatings Journal ; 30-34
2009
5 Seiten, 4 Bilder, 3 Tabellen, 8 Quellen
Article (Journal)
English
Additiv , Adhäsion , Aushärten (Polymer) , Benetzbarkeit , Beschichtung (Überzug) , Blockcopolymer , Dispergiermittel , feststoffreicher Lack , Fußbodenbelag , Kratzfestigkeit , Leistungsfähigkeit , mechanische Eigenschaft , Oberflächenspannung , optische Transparenz , Primer , Siliciumdioxid , Silicon (Polymer) , Siloxan , Viskosität , Nanoteilchen
Advanced waterborne polyisocyanates for parquet coatings
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