Cover -- Title Page -- Copyright Page -- Contents -- Preface -- Part 1 Contact Angle Measurement and Analysis -- 1 A More Appropriate Procedure to Measure and Analyse Contact Angles/Drop Shape Behaviours -- 1.1 Introduction -- 1.1.1 Brief Summary of the History of "Modern" Wetting -- 1.1.2 Vexing Question in Wettability -- 1.1.3 Background -- 1.1.3.1 Force Balance and Roughness -- 1.1.3.2 Selected Theoretical Aspects -- 1.1.3.3 Contact Angle Analysis and Hysteresis -- 1.2 Experimental -- 1.3 Obtaining "Continuous" Drop Shapes and Independent Contact Angles -- 1.3.1 HPDSA: Image Transformation -- 1.3.2 HPDSA: Contact Angle Determination -- 1.3.3 HPDSA: Triple Point Determination -- 1.3.4 HPDSA Software -- 1.3.4.1 Baseline Determination -- 1.3.4.2 Image Transformation -- 1.3.4.3 Fitting Procedure and Convergence -- 1.4 Different Contact Angles Analyses -- 1.4.1 Possible Static Analysis -- 1.4.2 Overall Contact Angle Analysis -- 1.4.2.1 Example: Inclined Plane -- 1.4.2.2 Example: Horizontal Plane with Immersed Needle -- 1.4.3 Statistical Event Analysis: Velocity and Statistical Event Definition -- 1.4.4 Statistical Event Analysis: Independent/Global Contact Angle Analysis -- 1.4.5 Statistical Event Analysis: Dependent/Individual Contact Angle Analysis -- 1.4.6 Statistical Event Analysis: Example Demonstration of Analysis Procedures -- 1.5 Summary/Outlook -- 1.5.1 Summary -- Contact Angles Determination and Analyses -- 1.5.2 Outlook -- Drop Shape Behaviour -- Acknowledgements -- Glossary of Symbols -- Copyrights -- References -- 2 Optical Contact Angle Measurement Considering Spreading, Evaporation and Reactive Substrate -- 2.1 Introduction -- 2.2 Experimental Setup for Contact Angle Measurement -- 2.2.1 Ideal Drop Spreading -- 2.2.2 Role of Environmental Condition -- 2.2.3 Ideal Environmental (Saturated Vapor) Condition.

2.2.4 Reactive System Condition -- 2.3 Summary -- 2.4 Supplementary Media Material -- Acknowledgement -- References -- 3 Method Development for Measuring Contact Angles of Perfluoropolyether Liquid on Fomblin HC/25® PFPE Film -- 3.1 Introduction -- 3.2 Experimental -- 3.2.1 Method Used -- 3.2.2 Determination of Surface Free Energy (SFE) -- 3.2.3 Contact Angles Measurements of PFPE Drop on PFPE "Liquid Film" (PFPEd/PFPEf) -- 3.2.4 Statistical Analyses -- 3.3 Results and Discussion -- 3.3.1 Surface Free Energy (SFE) Characterization of PermaFoam -- 3.3.2 Surface Free Energy Characterization of PFPE "Liquid Film" -- 3.4 Summary -- Acknowledgements -- References -- 4 Characterizing the Physicochemical Processes at the Interface through Evolution of the Axisymmetric Droplet Shape Parameters -- 4.1 Introduction -- 4.2 The Relationships between the Contact Angle and the Thermodynamic and Geometric Characteristics of the Surface -- 4.3 Experimental Methods for Determination of the Contact Angle and the Surface Tension for a Sessile Droplet on the Surface -- 4.4 Determination of the Wetting Tension and the Wetted Area Fraction on the Basis of Temporal Evolution of Contact Angle and Surface Tension in Sessile Drop Method -- 4.5 Testing the Mechanical Durability of Superhydrophobic Coatings -- 4.6 Summary -- References -- 5 The Interfacial Modulus of a Solid Surface and the Young's Equilibrium Contact Angle Using Line Energy -- 5.1 Introduction -- 5.2 The Young Equation Obtained with a Three-Dimensional Description -- 5.3 Incorporating the Contact Line into the Young Equation -- 5.4 Finding the Young Thermodynamic Contact Angle from Advancing/Receding Data -- 5.5 Interfacial Modulus Gs Associated with the Solid Surface -- 5.6 Summary -- References -- Part 2 Wettability Behavior.

6 Patterned Functionalization of Textiles Using UV-Based Techniques for Surface Modification -- Patterned Wetting Behavior -- 6.1 Introduction -- 6.2 UV-Based Processes for Surface Modification -- 6.2.1 Modifying the Surface Chemistry by Photo-Grafting -- 6.2.2 Laser-Induced Roughening of Fiber Surfaces -- 6.3 Experimental -- 6.4 Results -- 6.4.1 Lateral Wetting Patterns -- 6.4.2 Selective Wetting on Inner and Outer Surfaces -- 6.5 Summary and Outlook -- References -- 7 Wettability Behavior of Oleophilic and Oleophobic Nanorough Surfaces in Air or Immersed in Water -- 7.1 Introduction -- 7.2 Sample Preparation -- 7.3 Characterization Methods -- 7.3.1 Roughness -- 7.3.2 Wetting -- 7.4 Surface Roughness of Al2O3 Coatings -- 7.5 Wetting Behavior of Al2O3 Coatings -- 7.5.1 Air as Fluid Phase -- 7.5.2 Water as Fluid Phase -- 7.6 Wetting Behavior of Al2O3 Coatings Overcoated with a Thin Top Layer -- 7.6.1 Air as Fluid Phase -- 7.6.2 Water as Fluid Phase -- 7.7 Summary -- Acknowledgements -- References -- 8 Effect of Particle Loading and Stability on the Wetting Behavior of Nanofluids -- 8.1 Introduction -- 8.2 Review on Wetting Behavior and Stability of Nanofluids -- 8.3 Summary -- References -- 9 Dielectrowetting for Digital Microfluidics -- 9.1 Introduction -- 9.2 Electrowetting on Dielectric (EWOD) -- 9.3 Liquid-Dielectrophoresis (L-DEP) -- 9.4 L-DEP in Microfluidics -- 9.5 Dielectrowetting -- 9.6 Droplet Manipulations by Dielectrowetting -- 9.6.1 Experimental Setup -- 9.6.2 Droplet Splitting and Transporting -- 9.6.3 Multi-Splitting and Merging of Droplets -- 9.6.4 Droplet Creating -- 9.6.5 Manipulations of Aqueous Droplets -- 9.7 Concluding Remarks and Outlook -- References -- Part 3 Superhydrophobic Surfaces -- 10 Development of a Superhydrophobic/ Superhydrophilic Hybrid Surface by Selective Micropatterning and Electron Beam Irradiation.

10.1 Introduction -- 10.2 Selective Micropatterning Using Ultrasonic Imprinting -- 10.2.1 Ultrasonic Imprinting for Micropattern Replication -- 10.2.2 Selective Ultrasonic Imprinting Using a Profiled Mask Film -- 10.2.3 Fabrication of a Micropatterned Mold -- 10.2.4 Selective Ultrasonic Imprinting for Development of Hydrophobic Micropatterns -- 10.3 Selective Wettability Control -- 10.3.1 Selective Surface Treatments -- 10.3.2 Surface Hydrophobization Using Selective Hydrophobic Silane Coating -- 10.3.3 Surface Hydrophilization Using Electron Beam Irradiation -- 10.4 Development of Hybrid Surfaces with Versatile Wettability -- 10.4.1 Investigation of Selectively Wettable Characteristics -- 10.4.2 Water Collection by the Developed Hybrid Surface -- 10.4.3 Hybrid Surface with a Combination of Three Surface Treatments -- 10.5 Summary -- Acknowledgements -- References -- 11 Hydrophobicity and Superhydrophobicity in Fouling Prevention in Sea Environment -- 11.1 Introduction -- 11.1.1 Marine Biofouling -- 11.1.1.1 Biofouling and Inorganic Fouling -- 11.1.1.2 Colonization -- 11.1.1.3 Inorganic Fouling -- 11.1.2 Surface Features and Bioadhesion -- 11.2 Antifouling Options -- 11.3 Problem Statement -- 11.4 Coatings with Special Wettability and Performance Against Biofouling -- 11.4.1 Silane-Based Coatings -- 11.4.1.1 Hydrophobic Behaviour -- 11.4.1.2 Superhydrophobic Behaviour -- 11.4.2 Other Materials -- 11.4.2.1 Hydrophobic Behaviour -- 11.4.2.2 Superhydrophobic Behaviour -- 11.5 General Discussion -- 11.6 Summary -- References -- 12 Superhydrophobic Surfaces for Anti-Corrosion of Aluminum -- 12.1 Introduction -- 12.1.1 Corrosion of Metallic Materials -- 12.1.2 Surface Treatment for Anti-Corrosion of Metals -- 12.1.3 Anti-Corrosion of a Superhydrophobic Surface on Aluminum and Its Alloys -- 12.2 Fundamentals of Superhydrophobic Surface for Anti-Corrosion.

12.2.1 Electrochemical Reactions -- 12.2.2 Wetting on Solid Surfaces -- 12.2.3 Superhydrophobic Surface for Anti-Corrosion -- 12.3 Applications of Superhydrophobized Aluminum Surfaces for Anti-corrosion -- 12.4 Summary -- References -- Part 4 Wettability, Surface Free Energy and Adhesion -- 13 Determination of the Surface Free Energy of Solid Surfaces: Statistical Considerations -- 13.1 Introduction -- 13.1.1 Neumann's Method -- 13.1.2 van Oss, Chaudhury and Good Approach -- 13.1.3 Chen and Chang Model -- 13.1.4 The Present Work -- 13.2 Data Analysis -- 13.2.1 Data by Kwok et al. -- 13.2.1.1 Lessons from Analysis of Data by Kwok et al. -- 13.2.2 Analysis of Data by Dalal -- 13.2.3 An Alternate Experimental Approach -- 13.3 Summary and Conclusions -- References -- 14 Equilibrium Contact Angle and Determination of Apparent Surface Free Energy Using Hysteresis Approach on Rough Surfaces -- 14.1 Introduction -- 14.2 Experimental -- 14.2.1 Sample Preparation -- 14.2.2 Contact Angle Measurements -- 14.2.3 Surface Free Energy Calculation -- 14.2.4 Surface Structure Characterisation -- 14.3 Results and Discussion -- 14.3.1 Contact Angles and Surface Free Energy of Sol-Gel Films -- 14.3.2 Surface Roughness and Structure of Sol-Gel Films -- 14.4 Conclusions -- Acknowledgment -- References -- 15 Contact Angle and Wettability Correlations for Bioadhesion to Reference Polymers, Metals, Ceramics and Tissues -- 15.1 Introduction -- 15.2 Materials and Methods -- 15.2.1 Critical Surface Tension -- 15.2.2 Calculations of Bond Strength -- 15.3 Results -- 15.3.1 Tissue Testing -- 15.4 Discussion -- 15.4.1 Regression Analysis -- 15.4.1.1 Regression Analysis for Reference Materials (Without Pyrolytic Carbon and 316 LSS) -- 15.4.2 Remaining Concerns -- 15.4.2.1 The Peculiar Case of Pyrolytic Carbon -- 15.4.2.2 The Case of Ti Alloy and 316 LSS.