| Titre : |
Surface coatings - Several coating methods |
| Type de document : |
texte imprimé |
| Auteurs : |
M. S. Bhatnagar, Auteur |
| Année de publication : |
1998 |
| Article en page(s) : |
p: 37-52 |
| Langues : |
Anglais (eng) |
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
The objective of surface preparation is to create a proper adhesion of a coating over the substrate. Adhesion is the key to coating effectiveness, and it determines whether the coating is merely a thin sheet of material lying on the substrate or whether it becomes an actual part of the substrate.
Adhesion becomes an even more critical condition for coatings applied in corrosive areas. Thus, a proper surface preparation is vital to the long life and effectiveness of a coating.
It has been stated that paints fail in direct proportion to their lack of adhesion. Stating this in a positive way, paints(or anticorrosive coatings) are successful in direct proportion to their bond strength to the substrate. The purpose of surface preparation is to ensure that the maximum bond strength will develop at the interface between the substrate and the coating. |
| Note de contenu : |
- Coating methods
- Roll coating : - Brush coating - Knife coating - Rod coating - Dip coating - Squeeze roll coating - Air knife coating - Level on coating - Kiss coating - Gravure coating - Reversed roll coating - Curtain coating - Extrusion coating - Slot orifice coating - Calender coating - Precast coating - Cast coating
- Spray coating : - Solvent selection: Solvent systems for spray application - Solvent systems for brush application - Atomization - Electrostatic atomization (ESP) - Rotary atomization
- Powder coating : - Theory - Flow control agents and other additives
- Manufacture of coating powders : - Extruder processes - Pebble mill process - Application of powder coatings - Electrostatic spray - Fluidised beds - Electrostatic fluidized bed
- Vacuum coating : - R-f sputtering - Vapour phase polymerisation - Glow discharge polymerisation - Electron beam polymerisation (EB) - Radiation - Gamma radiation
- Electro deposition : - Cataphoretic system - Curing procedures - Force drying and baking - Exceptions |
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in PAINTINDIA > ANNUAL 1998 (1998) . - p: 37-52
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