| Titre : |
Factors influencing the suspending characteristics of wax coated silicas in paint and lacquer formulations |
| Type de document : |
texte imprimé |
| Auteurs : |
Derek Aldcroft, Auteur ; Graham J. Earl, Auteur |
| Année de publication : |
1995 |
| Article en page(s) : |
p. 19-28 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Tags : |
Peinture Vernis Adjuvant Silice 'Matériau revêtu' Cire Dispersion Sédimentation 'Agent matité' |
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
Wax coated silica matting agents are widely used in the coatings industry to reduce gloss and to enhance such film properties as scratch resistance, feel and flexibility. Further benefits arise when wax coated silicas are produced by co-milling the wax with the silica at temperature in a fluid energy mill. Incorporation of the wax in this manner improves the compatibility of the wax coated silica with other components of the lacquer formulation and influences the initial settling characteristics on the lacquer as well as preventing hard settlements on storage.
The paper reviews recent work within the Crossfield Group Research Laboratory in which the effect of co-milling various waxes with silica on such lacquer properties as initial dispersion, settling rates and redispersion characteristics, has been investigated and compared with the properties of the uncoated product. |
| Note de contenu : |
- EXPERIMENTAL - Production of wax coated silicas - Analysis of wax coated silicas - Performance testing
- RESULTS AND DISCUSSION - Microniser operating temperature - Viscosity - Settlement - Redispersion - Matting performance of wax coated silicas - Dispersion characteristics - Mar resistance |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=13588 |
in PAINTINDIA > Vol. XLV, N° 1 (05/1995) . - p. 19-28
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