| Titre : |
PU thickeners for aqueous coatings |
| Type de document : |
texte imprimé |
| Auteurs : |
Jan Mazanek, Auteur ; Uwe Thies, Auteur |
| Année de publication : |
1995 |
| Article en page(s) : |
p. 122-133 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Tags : |
'Peinture émulsion' Adjuvant Epaississant Polyuréthane 'Propriété rhéologique' |
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
Rheological additives are one of the most important groups of additives used in aqueous coatings systems. Of the more recent developments in this field, polyurethane-based thickeners are becoming increasingly important as they provide a number of advantages over conventional thickeners such as cellulose or polyacrylic acid esters. PU thickeners consist of hydrophilic and (usually terminal) hydrophobic segments. This paper uses a number of practical examples to demonstrate the function of polyurethane thickeners and discusses the various factors which influence their effect in coatings. Particular attention is given to the influence of the solids content, solvents, surfactants and temperature. |
| Note de contenu : |
- Rehological additives/thickeners : Comparison of effectiveness of non-associative and associative thickeners - Polyurethane thickeners
- Experimental section : General remarks - Testoing the thickening effect in an acrylic dispersion - Formulation of the coating and testing of the brushing properties - Other pratical examples |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11271 |
in EUROPEAN COATINGS JOURNAL (ECJ) > N° 3/95 (03/1995) . - p. 122-133
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