Paint Industry
solvents and calcium carbonate precipitated
Making paint 'paintable' and fast drying...
Solvents are used in paint manufacture to dissolve the different compounds used in the paint formulation such as colour and binder, making the paint the correct consistency for application. Once the paint has been applied the solvent evaporates, allowing the resin and pigment to produce a film of paint and to dry rapidly. Without solvents it would be impossible to produce durable, decorative and, in particular, glossy paints for use both indoors and outdoors to withstand all conditions.
Fast drying saves energy...
Solvents evaporate readily and thus reduce energy consumption and minimise costs. Solvent based systems dry up to 10 times faster at room temperature than low solvent alternatives, keeping production rates up, costs down and minimising energy consumption.
Standing up to harsh environments...
A manufacturer can use different solvents to produce coatings with very diverse characteristics. For example, modern high-solids paints used in metal protection on bridges and pipelines, give a film (coating) thickness that would require at least two applications of other paint systems.
Increasing functional and environmental performance...
The flexibility given by solvents means that the whole performance of a system can be optimised, not least for the quantity of materials used, resulting in environmental gain. To minimise total consumption of solvents, high-solids paints with lower levels of organic solvents have been developed. These are proving popular where a high quality and durable finish is required. Even for water based coatings, a solvent content of up to 15 per cent is indispensable for high durability and appearance.
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