Additives for Coatings
No doubt: A perfect coating has to look brilliant! But other properties of coatings are also most important. Coatings have to be durable, tough and easily applicable. Additives are the key to success in achieving these characteristics, even though the amounts used in coating formulations are small.
It is not trivial at all to select the best additives. In practice, many series of tests are often necessary, and the results do not explain, why a certain additive improves the quality of a coating and another one impairs the coating.
This book is dedicated to developers and applicants of coatings working in research or production, and it is aimed at providing a manual for their daily work. It will answer the following questions: How do the most important groups of additives act? Which effects can be be achieved by their addition?
Scientific theories are linked to practical applications. Emphasis is put on the optical aspects that are most important for the applications in practice.
This book is a milestone in quality assurance in the complete field of coatings!
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acid acrylic active adhesion promoters adsorption alkyd amines application aqueous behaviour Bieleman binder bonds CA’s catalysts cellulose ethers chemical Ciba Specialty Chemicals clearcoat coalescing agents coating material coating systems cobalt colour compounds concentration corrosion cross linking curing defoamers dispersing agents dosages drier drying effect emulsion paints epoxy evaporation Figure film thickness film-forming ﬂocculation ﬂow foam formation formulation gloss glycol groups high-solids hydrophilic hydrophobic important improve increase inﬂuence inhibitors interface lacquers layer levelling additives light stabilizers liquid matting agents MEKO melamine resins metal microbicidal molecules organoclay oxide oxygen phase phenolic photoinitiators pigment pigment particles polyester polyether polymer polymerization polyol polyurethane powder coatings properties PUR thickeners radical reaction reactive reduced resistance result rheology Section shear rate silanes silica silicone solid solubility Solventborne solvents structure substances substrate wetting surface tension surface-active surfactants Table temperature tion typically UV absorber viscosity waterborne coatings