A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The performance of newly developed waterborne self cross-linking polymers in joinery application
The performance of newly developed rheology-controlled self-crosslinking emulsion polymers for joinery applications was studied. The fast drying properties of the waterborne acrylics were combined with the early low water uptake of solventborne alkyds. The hot/cold check method used in the furniture industry was modified to evaluate the adhesion after repeated wet and dry cycles. Two commercial paint systems, transparent and opaque, were used as references. The new polymers in a pigmented or transparent coating also exhibited excellent water repellency, and the wet adhesion on spruce after 25 wet-cold-hot cycles was excellent. The new polymers performed equally or better with respect to flexibility and simulated impact resistance. The major advantages over solvent-based systems are environmental friendliness, worker health and safety, reduced insurance costs, and reduced potential for fire. Compared to conventional waterborne acrylics, this rheology-controlled polymers have beneficial near-Newton flow behavior and demand a low coalescing solvent to form a good film. These polymers can be used in primer and top coat formulations.
The performance of newly developed waterborne self cross-linking polymers in joinery application
The performance of newly developed rheology-controlled self-crosslinking emulsion polymers for joinery applications was studied. The fast drying properties of the waterborne acrylics were combined with the early low water uptake of solventborne alkyds. The hot/cold check method used in the furniture industry was modified to evaluate the adhesion after repeated wet and dry cycles. Two commercial paint systems, transparent and opaque, were used as references. The new polymers in a pigmented or transparent coating also exhibited excellent water repellency, and the wet adhesion on spruce after 25 wet-cold-hot cycles was excellent. The new polymers performed equally or better with respect to flexibility and simulated impact resistance. The major advantages over solvent-based systems are environmental friendliness, worker health and safety, reduced insurance costs, and reduced potential for fire. Compared to conventional waterborne acrylics, this rheology-controlled polymers have beneficial near-Newton flow behavior and demand a low coalescing solvent to form a good film. These polymers can be used in primer and top coat formulations.
The performance of newly developed waterborne self cross-linking polymers in joinery application
Baah, Felix (author) / Berkhout, Leendert (author)
2004
17 Seiten, 6 Bilder, 5 Tabellen, 13 Quellen
Conference paper
English
Wasserlack , Quervernetzung , rheologische Eigenschaft , Rheologie , Fließverhalten , Holzschutzmittel , Alkydharz , Acrylpolymer , Emulsionsbinder , Dünnschicht , Wasseraufnahme , Naturkorrosionsversuch , Viskosität , Newtonsche Flüssigkeit , hydrophobe Eigenschaft , Umweltverträglichkeit , Gesundheitsschutz , Feuerfestigkeit , Haftfestigkeit , zyklische Prüfung , filmbildende Eigenschaft , Schlagfestigkeit , Grundanstrich , Deckanstrich , Anstrich (Überzug)
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