Formulation/Structure/Property Relationships in Waterborne Coatings on Plastic Substrates
Sean Tang, Senior Research Scientist, The Dow Chemical Company
Coatings on plastic substrates can find applications in a wide range of end consumer markets, such as automotive, electronics, appliances, toys, etc. Binders such PUD, acrylics, hybrids and additives such as beads, silicone additives can all play important roles in final coating performances. In this talk, the impact of formulation variables in water borne plastic coatings on application performances will be discussed in light of the structure/property relationship characterization. Formulation variables such as PUD, acrylic beads, polyolefin dispersions, silicone additives will be explored. Structure/property characterization such as micro-morphology, adhesion, physical properties and chemical resistance would be correlated with the formulation variables. As a result of this study, it is obvious that the interactions of different components in the formulation are as important as, if not more important than, properties of individual component in determining final coating performances.