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Novel waterborne UV curing acrylic dispersions for high performance kitchen and furniture coatings
The interactions between the ingredients of a waterborne white pigmented UV-curing topcoat have been studied with regard to the VOC compliance. Through-cure and stain resistance has been determined and correlated with the topcoat formulation using 8 staining agents (black currant, lipstick, mustard, espresso coffee, tea, red wine, olive oil and kitchen/bathroom cleaner). It has been found that the combination of 'pigment type 2' with 'dispersant type 2', and either the dual cure self-crosslinking dispersion or UV-curable polyurethane dispersion gives the best results as far as chemical resistance properties according to DIN 68861 are concerned. Topcoats based on dual cure self-crosslinking dispersion offer the advantage of fast drying, hardness and good price performance, whereas the UV-curable polyurethane dispersion offers the overall best performance. From the study it can be seen that the choice of the dispersant and not to a lesser extent the choice of the pigment (assuming a high performance grade is used) does influence greatly the stain resistance irrespective of binder choice. However, using a simple white formulation we have been able to demonstrate that binders we offer do meet the challenge of giving white topcoats for high performance kitchen and bathroom applications.
Novel waterborne UV curing acrylic dispersions for high performance kitchen and furniture coatings
The interactions between the ingredients of a waterborne white pigmented UV-curing topcoat have been studied with regard to the VOC compliance. Through-cure and stain resistance has been determined and correlated with the topcoat formulation using 8 staining agents (black currant, lipstick, mustard, espresso coffee, tea, red wine, olive oil and kitchen/bathroom cleaner). It has been found that the combination of 'pigment type 2' with 'dispersant type 2', and either the dual cure self-crosslinking dispersion or UV-curable polyurethane dispersion gives the best results as far as chemical resistance properties according to DIN 68861 are concerned. Topcoats based on dual cure self-crosslinking dispersion offer the advantage of fast drying, hardness and good price performance, whereas the UV-curable polyurethane dispersion offers the overall best performance. From the study it can be seen that the choice of the dispersant and not to a lesser extent the choice of the pigment (assuming a high performance grade is used) does influence greatly the stain resistance irrespective of binder choice. However, using a simple white formulation we have been able to demonstrate that binders we offer do meet the challenge of giving white topcoats for high performance kitchen and bathroom applications.
Novel waterborne UV curing acrylic dispersions for high performance kitchen and furniture coatings
Neue wasserlösliche UV-härtende Acryldispersionen für hochwertige Küchen- und Möbelbeschichtungen
Mestach, Dirk (author) / Twene, Derrick R. (author)
2005
8 Seiten, 6 Bilder, 7 Tabellen, 4 Quellen
Conference paper
English
Acrylat , Anstrich (Überzug) , chemische Beständigkeit , Deckanstrich , Dispergiermittel , Dispersion (Lösung) , fleckabweisende Eigenschaft , hochwertige Ware , Kunststoffbeschichtung (Überzug) , Möbelindustrie , Öl abstoßende Eigenschaft , Pigmentfarbstoff , Polyurethan , strahlungshärtbares Produkt , Ultraviolettstrahlung , Vergleichsuntersuchung , Vernetzungsdichte , wässriges Medium , Werkstoffauswahl
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