Coating Terms

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Similar to polysiloxane surface additives; fluorocarbon surface additives, having low surface tensions and compatibility with the coating formulation, migrate to the surface to avoid formation of film defects.
General name for additives that are used to (a) perform dispersion of pigments and fillers using less energy in shorter time, (b) increase dispersion stability in the fluid composed of resin and solvent.
General name for coating formulation inputs that constitute maximum two percent of the formulation causing dramatic changes in technical properties of coatings. Additives are used to obtain required properties during production, application, storage and shelf life.
Mattness, which is the reflection of incident light in a broad range of angles, can be imparted using some additives. These additives are mainly micronized silicon particles and various types of polymer waxes
Surface additives that prevent defects by forming a thin continuous layer on the surface. These additives are designed with limited compatibility with the paint binders and solvents so that they can migrate to the surface. See Also Surface additives
Dispersion additives having a branched/chained backbone which is compatible with paint resins and solvents in addition to having pigment affinic groups. Owing to their large molecules, polymeric dispersing additives form a layer around the pigment molecule they attach to so that other pigments are prevented from coming close. Therefore, they provide dispersion stabilization by steric hindrance.
General name of surface additives that prevent surface defects like craters, orange peel, telegraphing etc. by virtue of their compatibility with paint ingredients as well as lower surface tension they have than other paint ingredients. See Also Surface additives
Surface additives are added to paint formulation to prevent film defects. They either have surface tensions lower than paint ingredients (silicone and fluoride compounds) or they are compounds having limited compatibility. They migrate to the surface and form a thin layer. Hence, surface tension gradients that cause defects on paint film are prevented.