| Titre : |
Paint design |
| Type de document : |
texte imprimé |
| Auteurs : |
P. K. Kamani, Auteur ; Pramod Kumar, Auteur ; S. Chandra, Auteur |
| Année de publication : |
1998 |
| Article en page(s) : |
p. 83- 102 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
The principles of designing of formulating paints have been exemplified. A specific product of an air drying glossy white architectural enamel has been designed to meet the general requirements. Mathematical calculations for arriving at the required quantities of the necessary raw materials have been shown. Various adjustments such as alteration of the non-volatile content, prime pigment reduction, extender substitution and cost reduction on the trial batches have been illustrated to achieve the final product design. The paint application specifications such as wet and dry film thickness, spreading rate and paint requirements have also been exemplified. |
| Note de contenu : |
- Pre-requisites : Substrate - Colour - Main function - Application techniques and conditions - Drying time baking schedule - Durability and service conditions - Toxicity - Cost - Specifications - Special factors
- Initial decisions : Selection of resin - Selection of pigment - Solvent system - Driers - Additives
- Product design specitifcation : Product - General requirements - Raw materials - Physical constants of raw materials - Basis of product design
- Design aspects : Binder - Solvent - Drier - Vehicle composition - Non volatile vehicle - Pigmentation - Total paint volume - Hiding pigment - Extender - Additives
- Paint formula
- Physical constants of the paint : Weight per litre - Percent non volatile by volume - Pigment / Binder / ratio by volume and PVC - P/B ratio by weight - Cost of the product
- Trial batch and fault diagnosis
- Formula adjustments : Prime pigment adjustment - Extender adjustment - Cost adjustment - Adjustment of the PVC
- Final formula
- Paint application specifications : Film thickness - Spreading rate (SR) |
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in PAINTINDIA > PAINTINDIA '98 (01/1998) . - p. 83- 102
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Paint design in PAINTINDIA, PAINTINDIA '98 (01/1998)
