by Dr E. Ramanathan PhD
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Glossary of terms
| Hyphenated Terms | Definitions |
| Anti-foaming agent | An additive that reduces foam formation during paint mixing and application. |
| Co-polymer dispersion | A dispersion containing two or more types of monomers in polymer form. |
| Micro-particle stabilizer | A stabilizing agent used to prevent particle aggregation in emulsions. |
| Film-forming additive | An additive that aids in forming a smooth and continuous paint film. |
| Thick-film agent | A thickening agent that creates films of higher thickness. |
| Non-yellowing resin | A resin that resists yellowing over time or under UV exposure. |
| Water-based binder | A binder that uses water as a solvent instead of organic solvents. |
| High-shear mixer | A mixer used for high-shear conditions during paint manufacturing. |
| Mid-viscosity extender | An extender that provides moderate viscosity control. |
| Coalescing solvent | A solvent that helps in coalescence of polymer particles in paint films. |
| Self-leveling property | A property that ensures paint spreads evenly and self-levels on surfaces. |
| Low-VOC formulation | A formulation designed to minimize volatile organic compound emissions. |
| Anti-settling agent | An additive that prevents pigments and solids from settling at the bottom. |
| Non-ionic surfactant | A surfactant that does not carry ionic charge, aiding in dispersion. |
| High-opacity pigment | A pigment that provides high hiding power in paint films. |
| Shear-thinning behavior | A behavior where viscosity decreases under shear stress, aiding application. |
| Semi-gloss finish | A paint finish between gloss and matte, providing moderate shine. |
| Open-time extender | An additive that extends the time during which paint can be worked. |
| Wet-edge retention | A property that retains a wet edge to allow smooth paint blending. |
| UV-stabilized coating | A coating stabilized to resist UV light degradation. |
| Anti-sag additive | An additive that prevents paint from sagging during vertical application. |
| Cross-linking agent | An agent that promotes cross-linking of polymer chains for durability. |
| Micro-foam reducer | An additive that reduces micro-foam generation in paint films. |
| Water-reducible formulation | A formulation that can be diluted with water for application. |
| Latex-emulsion binder | A binder composed of latex emulsion for improved flexibility and adhesion. |
| Flow-and-leveling agent | An additive that improves paint flow and self-leveling properties. |
| Pigment-volume concentration | The ratio of pigment volume to the total volume of the paint film. |
| Dry-film thickness | The thickness of a dried paint film after application. |
| Quick-drying system | A paint system that dries quickly after application. |
| Non-slip surface | A paint additive that creates a textured surface to prevent slipping. |
Commonly available additives for water based paints
| Additive Type | Trade Name | Chemical Name | Supplier |
| Anti-foaming Agent | BYK-022 | Polysiloxane-based compound | BYK Chemie |
| Dispersing Agent | Dispex AA4040 | Polyacrylic acid salt | BASF |
| Thickener | Rheolate 278 | HEUR (Hydrophobically modified Urethane Ethoxylate) | Elementis |
| Coalescing Agent | Texanol | 2,2,4-Trimethyl-1,3-pentanediol monoisobutyrate | Eastman Chemicals |
| Preservative | Acticide MBS | Benzisothiazolinone (BIT) | Thor Specialties |
| Wetting Agent | Triton CF-10 | Non-ionic surfactant | Dow Chemicals |
| Flow Modifier | BYK-310 | Modified polyether siloxane | BYK Chemie |
| UV Stabilizer | Tinuvin 1130 | Hydroxyphenyl-benzotriazole | BASF |
| Biocide | Kathon LX 1.5 | Isothiazolinone blend | Dow Chemicals |
| Anti-skinning Agent | Ascinin 120 | Oxime-based additive | Evonik Industries |
Assignments
Once completed the above three assignments, please send the screenshots of your answer-displays or score board to me in Telegram / WhatsApp 9444929163.
Successful candidates will get participation certificate in the Industrial Seminar to be held on 31st December 2024. Please register here.
