From The Chemistry and Physics of Coatings, Second Edition
ALAN GUY
10.1 INTRODUCTION
Earlier chapters have described the central function of polymers in the chemistry of film formation. However, a successful coating usually requires properties that cannot be provided by any one component alone. The role of the paint formulator is to bring together the required constituents in a stable, cost-effective composition that can be conveniently applied to the substrate. No small challenge!
Paint consists of a dispersion of a pigment or a mixture of pigments, extenders, etc., in a binder or polymer. Other materials may be present to achieve specific properties. They may be organic solvents or water to give the required viscosity, suspending agents to keep the paint in good condition during storage, driers and accelerators which provide for rapid cure of the polymer, flow aids, and so on. These materials will be described in this chapter.
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10.2 PIGMENTS Pigments were in use before the birth of civilisation. Coloured minerals, and materials such as charcoal, were used to colour the bodies and living spaces of primitive man. As his...
The paint and coating application areas comprise (1) architectural coatings or house paints, which includes waterborne latex, exterior and interior solvent-borne paints, lacquers, and wood and...
ALAN GUY 11.1 INTRODUCTION In general, formulation involves a large matrix of issues, obstacles and compromises. Though firmly rooted in scientific understanding, its practice often seems more...
OVERVIEW The distinction between pigments and dyes, which is based on the differences in their solubility characteristics, has been discussed in detail in Chapter 2. A pigment is a finely divided...
6.6 PAINTS AND PROTECTIVE COATINGS by Harold M. Werner and Expanded by Staff REFERENCES: Keane (ed.). "Good Painting Practice," Steel Structures Painting Council. Levinson and Spindel, "Recent...
