Abstract
Traditionally many coatings and polymer chemists and physicists who follow the increase in viscosity of coating materials as changes occur during drying, use only one-point or steady-state methods for monitoring the ‘cure’. Insight can be gained by determining a flow curve at various shear rates for coating binders and formulations. However, as a proper formulated coating begins the process of changing from a liquid which generally flows readily to a solid coating, all are viscoelastic in nature. Such is the case with industrial, architectural or special protective coatings manufactured by the paint industry and printing inks, adhesives, paper coatings or other similar types. Only a few materials of commercial importance are not viscoelastic in normal usage, e.g. some Newtonian oils. Since this is the case, it is important for scientists not only to measure the viscosity of a coating but also to know something about the elastic response of the material.
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References
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© 1987 Elsevier Applied Science Publishers Ltd
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Knauss, C.J. (1987). Molecular Relaxation Processes During Film Formation. In: Wilson, A.D., Nicholson, J.W., Prosser, H.J. (eds) Surface Coatings—1. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-3441-2_7
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DOI: https://doi.org/10.1007/978-94-009-3441-2_7
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