Advances in the Science and Technology of Coating

Dear Colleagues,

The annual cost of corrosion to industries is much more than all the costs imposed on mankind by fires, earthquakes, tsunamies, etc., annually. In addition to that, corrosion causes a lot of ecologic damage, which is manifested as explosions and toxic material leaks into environmental components (air, water, and soil). On the other hand, corrosion is a thermodynamic process that cannot be stopped but only controlled. Of the five measures by which corrosion can be controlled, perhaps the most convenient is the use of coatings. Other measures (such as cathodic protection) can only address a small percentage of coating deficiencies and short-comings; therefore, one significant issue in industries is to create the best possible coating in terms of both cost and ecology.

  When coatings are applied, there are two main factors that can affect their integrity: external factors, such as environmental factors that can damage the material of the coating, and internal factors that mainly affect the adhesion of the coating to its substrate. The science of coatings must deal with both sets of factors: on the one hand, the quality of the coating ingredients must be sufficient to allow the formation of defect-free coverage on the substrate; on the other hand, the adhesion must be sufficiently high to ensure an excellent connection between the coating material and the substrate. Both of these factors must have at least two features: the coating must be cost-effective as well as have the lowest possible percentage of volatile organic compounds (VOC%) as a measurable feature of being environmentally friendly.

The loss of sufficient adhesion can cause premature deterioration and failure of the coating, which, in turn, brings about a lot of unwanted environmental and economic consequences and costs. These costs range from financial investment into the application of new coatings to prevent the entrance of residues left after washing and cleaning into the environment (this is true also of totally solid paints).

In this Special Issue, we would like to invite the most eminent coating professionals to put together an overall picture of the present and future of coating science and application that will address the issues mentioned above.

Dr. Reza Javaherdashti
Dr. Arezoo Assarian
Guest Editors

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• corrosion
• coating
• adhesion
• encapsulation technology
• environmental impacts of coatings