| Titre : |
Coating additives, part IV : pigment suspensions and dispersing agents |
| Type de document : |
texte imprimé |
| Auteurs : |
Vladimir V. Verkholantsev, Auteur |
| Année de publication : |
1999 |
| Article en page(s) : |
p. 108-118 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
Surface-active agents which are specifically intended to intensify processes of dispersion of pigments and extenders (fillers) in liquid media and normally also contribute to the stabilization of consequent pigment suspensions are described as dispersing agents (pigment dispersants). Alike emulsifiers, intended to disperse resins and to stabilize resin dispersions, dispersing aids are normally specific for a type of liquid media (aqueous or non-aqueous), and in order to be efficient, dispersing aids are frequently required to be adjusted to dispersing conditions, nature of the treated pigment and other additives used in paint formulation. |
| Note de contenu : |
- Converting dry pigments into pigment suspension
- Classification of pigments into morphologies
- Pigments characteristics affect the dispersion process and stability
- Dispersing agents
- The wet-grind and the dry-grind dispersion process
- Mill base formulation
- Dispersant selection and dispersant demand
- Calculation of dispersant demand value
- Practical aspects
- Mechanisms of dispersing processes
- Pigment wetting
- The breakdown of aggregates
- Stabilization of pigment suspension
- Dispersion kinetics
- Side effects
- Solvent-based paints
- Aqueous paints
- Polyphosphates and polyacrylates |
| En ligne : |
https://drive.google.com/file/d/1SL2E3ENBFVpd1QkRn30kphbYHixvqVJg/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11184 |
in EUROPEAN COATINGS JOURNAL (ECJ) > N° 4/99 (04/1999) . - p. 108-118
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Coating additives, part IV : pigment suspensions and dispersing agents in EUROPEAN COATINGS JOURNAL (ECJ), N° 4/99 (04/1999)
