Читать книгу Additives for Waterborne Coatings - et al. - Страница 84

Foam is practically unavoidable in water-borne coatings formulations. In addition to the binder, other criteria are important in choosing the right defoamer. These include:

 pigment volume concentration (PVC),

 method of incorporating the defoamer,

 application of shear forces during application,

 surfactant content of the formulation.