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Superhydrophobic Surfaces

Superhydrophobic Surfaces
  • Author : Alain Carré,K. L. Mittal
  • Publisher :Unknown
  • Release Date :2009-04-24
  • Total pages :495
  • ISBN : 9789004165939
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Summary : Superhydrophobic surfaces (water contact angles higher than 150º) can only be achieved by a combination of hydrophobicity (low surface energy materials) with appropriate surface texture. In nature one can find an array of impressive and elegant examples of superhydrophobic surfaces. For example, on a lotus leaf rain drops bounce off after impact, then entirely roll off the lotus leaf and drag along any dirt particles, without leaving residues. The artificial design of superhydrophobic and self-cleaning surfaces has become an extremely active area of fundamental and applied research.This book presents both fundamental and applied aspects of superhydrophobic surfaces. It describes also different strategies for making superhydrophobic surfaces from a large diversity of materials (polymers, metals and other inorganic materials, composites) and processes (lithographic techniques, electrochemical processes, self-assembly processes, colloidal particles, sol-gel processes, nanofilaments, or simple scraping).A bountiful of information is covered in this book which represents cumulative wisdom of many world-renowned researchers in the fascinating and burgeoning area of superhydrophobic surfaces.

Superhydrophobic Surfaces

Superhydrophobic Surfaces
  • Author : Russell J. Crawford,Elena P. Ivanova
  • Publisher :Unknown
  • Release Date :2015-02-19
  • Total pages :180
  • ISBN : 9780128013311
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Summary : Superhydrophobic Surfaces analyzes the fundamental concepts of superhydrophobicity and gives insight into the design of superhydrophobic surfaces. The book serves as a reference for the manufacturing of materials with superior water-repellency, self-cleaning, anti-icing and corrosion resistance. It thoroughly discusses many types of hydrophobic surfaces such as natural superhydrophobic surfaces, superhydrophobic polymers, metallic superhydrophobic surfaces, biological interfaces, and advanced/hybrid superhydrophobic surfaces. Provides an adequate blend of complex engineering concepts with in-depth explanations of biological principles guiding the advancement of these technologies Describes complex ideas in simple scientific language, avoiding overcomplicated equations and discipline-specific jargon Includes practical information for manufacturing superhydrophobic surfaces Written by experts with complementary skills and diverse scientific backgrounds in engineering, microbiology and surface sciences

Bioinspired Superhydrophobic Surfaces

Bioinspired Superhydrophobic Surfaces
  • Author : Frédéric Guittard,Thierry Darmanin
  • Publisher :Unknown
  • Release Date :2017-10-06
  • Total pages :190
  • ISBN : 9781351859585
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Summary : Materials with superhydrophobic or related properties are one of the most studied subjects from a theoretical point of view and also for the large range of possible applications, for example, anticorrosion, antibacteria, optical devices, and sensors. The study of natural species with special wettability has shown us the importance of surface structures and the surface energy of the resulting surface properties. Various strategies can be used to reproduce superhydrophobic phenomena in the laboratory. General reviews on superhydrophobic properties already exist but, to our knowledge, do not focus on metallic and inorganic materials. Here, we focus especially on the strategies implemented for reaching superhydrophobic or related properties using metallic and inorganic materials. Indeed, these materials present unique properties, for example, thermal and mechanical resistance, chemical and ageing resistance, and optical (transparency, antireflection, photoluminescence) and electrical properties (conducting, semiconducting, insulating). This book will be useful for graduate students of materials chemistry and physics and for researchers in surface science, nanostructures, and bioinspired or biomimetic materials.

Superhydrophobic Surfaces and Coatings

Superhydrophobic Surfaces and Coatings
  • Author : Teresa M. Henderson
  • Publisher :Unknown
  • Release Date :2017-02-01
  • Total pages :70
  • ISBN : 1536108316
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Summary : This book provides new research on superhydrophobic surfaces and coatings. Chapter One reviews preparation and applications of silicone based superhydrophobic coatings. Chapter Two discusses the recent progress of bioinspired superhydrophobic surfaces generated by one step laser ablation technique. Chapter Three analyses the most modern techniques of superhydrophobic surface design and methods of its characterisation. Chapter Four examines rapid fabrication of hierarchical microstructures on biomimetic polymer surfaces with gradually tuneable water adhesion from slippery to sticky superhydrophobicity.

Surfaces and Interfaces of Biomimetic Superhydrophobic Materials

Surfaces and Interfaces of Biomimetic Superhydrophobic Materials
  • Author : Zhiguang Guo,Fuchao Yang
  • Publisher :Unknown
  • Release Date :2018-01-04
  • Total pages :400
  • ISBN : 9783527342648
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Summary : A comprehensive and systematic treatment that focuses on surfaces and interfaces phenomena inhabited in biomimetic superhydrophobic materials, offering new fundamentals and novel insights. As such, this new book covers the natural surfaces, fundamentals, fabrication methods and exciting applications of superhydrophobic materials, with particular attention paid to the smart surfaces that can show switchable and reversible water wettability under external stimuli, such as pH, temperature, light, solvents, and electric fields. It also includes recent theoretical advances of superhydrophobic surfaces with regard to the wetting process, and some promising breakthroughs to promote this theory. As a result, materials scientists, physicists, physical chemists, chemical engineers, and biochemists will benefit greatly from a deeper understanding of this topic.

Superhydrophobic Polymer Coatings

Superhydrophobic Polymer Coatings
  • Author : Sushanta Samal,Smita Mohanty,Sanjay Kumar Nayak
  • Publisher :Unknown
  • Release Date :2019-08-21
  • Total pages :380
  • ISBN : 9780128172834
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Summary : Superhydrophobic Polymer Coatings: Fundamentals, Design, Fabrication, and Applications offers a comprehensive overview of the preparation and applications of polymer coatings with superhydrophobicity, guiding the reader through advanced techniques and scientific principles. Sections present detailed information on the fundamental theories and methods behind the preparation of superhydrophobic polymer coatings and demonstrate the current and potential applications of these materials, covering a range of novel and marketable uses across industry, including coatings with properties such as foul resistance and self-cleaning, anti-icing and ice-release, corrosion inhibition, antibacterial, anti-reflection, slip and drag reduction, oil-water separation, and advanced medical applications. This book is a highly valuable resource for academic researchers, scientists and advanced students working on polymer coatings or polymer surface modifications, as well as professionals across polymer science, polymer chemistry, plastics engineering, and materials science. The detailed information in this book will also be of great interest to scientists, R&D professionals, product designers and engineers who are looking to develop products with superhydrophobic coatings. Presents in-depth information on the advanced methods required in the preparation of superhydrophobic polymer coatings Covers the latest advances in the design of polymer coatings with superhydrophobic properties, including nanofabrication Explains cutting-edge industrial and medical applications, including self-cleaning coatings, corrosion inhibition, anti-icing and ice-release, and oil-water separation

Superhydrophobic Surfaces

Superhydrophobic Surfaces
  • Author : Mehdi Khodaei
  • Publisher :Unknown
  • Release Date :2020-07
  • Total pages :130
  • ISBN : 9781838805975
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Summary :

Research Perspectives on Functional Micro- and Nanoscale Coatings

Research Perspectives on Functional Micro- and Nanoscale Coatings
  • Author : Zuzuarregui, Ana
  • Publisher :Unknown
  • Release Date :2016-04-11
  • Total pages :511
  • ISBN : 9781522500674
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Summary : Just as chemistry is a part of our daily lives, functional coatings can be found in almost every object, gadget or device you can see or touch. However, in the last 20 years the advances made in the preparation of different functional coatings with diverse compositions have allowed the development of nanoscale coatings that are more cost-effective and environmentally conscious than traditional coatings. Research Perspectives on Functional Micro- and Nanoscale Coatings highlights critical research on preparation methods, modification, organization, and utilization of functional coatings in micro, nano, and biotechnology. Emphasizing emerging developments and global research perspectives, this publication is a pivotal resource for engineers, researchers, and graduate-level students interested in learning about emerging developments in functional coatings and nanotechnology.

Non-wettable Surfaces

Non-wettable Surfaces
  • Author : Robin Ras,Abraham Marmur
  • Publisher :Unknown
  • Release Date :2016-11-25
  • Total pages :405
  • ISBN : 9781782621546
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Summary : Nothing provided

Multiscale Dissipative Mechanisms and Hierarchical Surfaces

Multiscale Dissipative Mechanisms and Hierarchical Surfaces
  • Author : Michael Nosonovsky,Bharat Bhushan
  • Publisher :Unknown
  • Release Date :2008-06-21
  • Total pages :278
  • ISBN : 9783540784258
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Summary : Multiscale Dissipative Mechanisms and Hierarchical Surfaces covers the rapidly developing topics of hierarchical surfaces, roughness-induced superhydrophobicity and biomimetic surfaces. The research in these topics has been progressing rapidly in the recent years due to the advances in the nanosciences and surfaces science and due to potential applications in nanotechnology. The first in its field, this monograph provides a comprehensive review of these subjects and presents the background introduction as well as recent and new results in the area.

X-ray Characterization of Nanostructured Energy Materials by Synchrotron Radiation

X-ray Characterization of Nanostructured Energy Materials by Synchrotron Radiation
  • Author : Mehdi Khodaei,Luca Petaccia
  • Publisher :Unknown
  • Release Date :2017-03-22
  • Total pages :126
  • ISBN : 9789535130130
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Summary : Nowadays, nanomaterials are attracting huge attentions not only from a basic research point of view but also for their potential applications. Since finding the structure-property-processing relationships can open new windows in the application of materials, the material characterizations play a crucial role in the research and development of materials science. The increasing demand for energy with the necessity to find alternative renewable and sustainable energy sources leads to the rapid growth in attention to energy materials. In this book, the results of some outstanding researches on synchrotron-based characterization of nanostructured materials related to energy applications are presented.

Heat Transfer

Heat Transfer
  • Author : Konstantin Volkov
  • Publisher :Unknown
  • Release Date :2018-06-27
  • Total pages :370
  • ISBN : 9781789232646
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Summary : The book focuses on new analytical, experimental, and computational developments in the field of research of heat and mass transfer phenomena. The generation, conversion, use, and exchange of thermal energy between physical systems are considered. Various mechanisms of heat transfer such as thermal conduction, thermal convection, thermal radiation, and transfer of energy by phase changes are presented. Theory and fundamental research in heat and mass transfer, numerical simulations and algorithms, experimental techniques, and measurements as they applied to all kinds of applied and emerging problems are covered.

Interdisciplinary Expansions in Engineering and Design With the Power of Biomimicry

Interdisciplinary Expansions in Engineering and Design With the Power of Biomimicry
  • Author : Gulden Kokturk,Tutku Didem Altun
  • Publisher :Unknown
  • Release Date :2018-03-28
  • Total pages :194
  • ISBN : 9789535139355
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Summary : People have been finding inspiration in nature in solving their problems, from the very beginning of their existence. In the most general sense, biomimicry, defined as "inspire from the nature," has brought together the engineers and designers nowadays. This collaboration creates innovative and creative outcomes that encourage people with their interdisciplinary relationships. Accordingly, the aim of this book is to bring together different works or developments on biomimetics in interdisciplinary relationship between different areas, especially biomimicry, engineering, and design. The twenty-first century has conceived many new and amazing designs. The book in your hands will surely be an important guide to take a quick look at the future possibilities.

Hydrophobic and Superhydrophobic Organic‐Inorganic Nano‐Hybrids

Hydrophobic and Superhydrophobic Organic‐Inorganic Nano‐Hybrids
  • Author : Chang-Sik Ha,Saravanan Nagappan
  • Publisher :Unknown
  • Release Date :2018-03-22
  • Total pages :182
  • ISBN : 9781351206068
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Summary : In materials chemistry, hybrid systems have become popular because of their enhanced properties compared to their individual components. Organic-inorganic hybrid materials have dual, enhanced chemical, thermal, and mechanical properties of both organic and inorganic materials in a single material and are used in various applications. An enhanced hybrid material has many technical advantages compared to single organic or inorganic materials. These technical advantages and the applications of organic-inorganic hybrid materials have been covered by several scientific papers, reviews, and books. This book, however, exclusively covers hydrophobic and superhydrophobic surfaces based on organic-inorganic nanohybrids, their synthesis and fabrication, and their recent and potential applications in various fields. The book is a good reference for understanding the surface properties of organic-inorganic nanohybrids and also a valuable guide for college/high school, undergraduate, and graduate students and scientists with a background in chemistry, chemical engineering, materials science and engineering, nanotechnology, surface science and engineering, or industrial coatings.

Condensed and Melting Droplet Behavior on Superhydrophobic Surfaces

Condensed and Melting Droplet Behavior on Superhydrophobic Surfaces
  • Author : Fuqiang Chu
  • Publisher :Unknown
  • Release Date :2020-10-30
  • Total pages :138
  • ISBN : 9789811584930
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Summary : This book introduces the fabrication of superhydrophobic surfaces and some unique droplet behaviors during condensation and melting phase change on superhydrophobic surfaces, and discusses the relationship between droplet behavior and surface wettability. The contents in this book, which are all research hotspots currently, shall not only bring new insights into the physics of condensation and icing/frosting phenomena, but also provide theoretical support to solve the heat transfer deterioration, the ice/frost accretion and other related engineering problems. This book is for the majority of graduate students and researchers in related scientific areas.

Self-Cleaning Materials and Surfaces

Self-Cleaning Materials and Surfaces
  • Author : Walid A. Daoud
  • Publisher :Unknown
  • Release Date :2013-07-12
  • Total pages :368
  • ISBN : 9781118652367
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Summary : With increasing demand for hygienic, self-disinfecting and contamination free surfaces, interest in developing self-cleaning protective materials and surfaces has grown rapidly in recent times. This new title comprises of invited chapters from renowned researchers in the area of self-cleaning nano-coatings and the result is a comprehensive review of current research on both hydrophobic and hydrophilic (photocatalytic effect) self-cleaning materials.

Bacterial Pathogenesis and Antibacterial Control

Bacterial Pathogenesis and Antibacterial Control
  • Author : Sahra Kırmusaoğlu
  • Publisher :Unknown
  • Release Date :2018-05-30
  • Total pages :154
  • ISBN : 9781789231601
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Summary : Bacterial pathogens have been becoming the main problem in hospital and community-acquired infections. It is hard to treat the strains that are resistant to antibiotics, due to the causing recurrent and untreatable infections. In recent years, the combination treatments and the novel technologies have been preferred to overcome the emergence of antibacterial resistance of pathogens. In this book, examples of pathogenesis by clinical cases, control by antibiotics and bioactive antimicrobials, control by novel technologies with the collection of up-to-date researches and reviews are presented. This book can be useful for researchers interested in antibacterials, bioactive compounds, and novel technologies.

Liquid Flow Over Laser-patterned Superhydrophobic Surfaces

Liquid Flow Over Laser-patterned Superhydrophobic Surfaces
  • Author : K M Tanvir Ahmmed
  • Publisher :Unknown
  • Release Date :2016
  • Total pages :229
  • ISBN : OCLC:964092485
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Summary : "Drag reduction is beneficial in most fluid flow applications. In this thesis, the drag reduction potential of superhydrophobic surfaces fabricated by femtosecond (fs) laser micromachining is investigated under both internal and external flows. As fs laser material interaction is not well understood, its application for the fabrication of textured surface is studied in detail. New surface structures were fabricated on titanium, stainless steel, aluminum, and copper samples. The resulting structures were characterized, and the evolution of structure formation was mapped with two irradiation models, namely the fluence and pulse-per-spot (F-PPS) model and the accumulated fluence profile (AFP) model, consisting of two parameters each. Moreover, the effect of material properties, such as the electron-phonon coupling strength and thermal conductivity, on microstructure formation were identified. The insight, gained through the investigation of fs laser surface texturing, was used to fabricate different hierarchically patterned superhydrophobic surfaces. Hierarchical laser-inscribed regularly patterned surfaces offered greater drag reduction in micro-scale fluid flow compared to the similarly patterned non-hierarchical surfaces. Three different patterns, such as rectangular pillars in a square lattice, grates in the direction of flow, and rhombic pillars in a hexagonal lattice, were compared for their relative drag reduction abilities. While the latter exhibits a more stable Cassie wetting state, it nevertheless results in a lower normalized slip length compared to the other two patterns at a fixed solid fraction. The effect of surface chemistry was studied by coating the patterned samples with a hydrophobic fluoroalkylsilane. The silanized samples provided increased drag reduction compared to the non-silanized samples even though there was no noticeable difference in their dynamic contact angles. Furthermore, measurements of the water penetration depth showed that contact angle measurements are not sufficient to judge the role that surface chemistry plays on drag reduction.In addition to the study of drag reduction over the regularly patterned surfaces, drag on a randomly patterned polytetrafluoroethylene (PTFE) surface was studied for both internal and external flows. The superhydrophobic PTFE reduced drag in both micro-scale and macro-scale internal flows. Slip length on this surface was measured with two different measurement methods, namely through rheometry and pressure differentials. These slip length measurements were further verified by using a semi-analytical model. Terminal velocities of similarly patterned PTFE spheres were measured in three different liquids to study their drag reduction potential in external flow. Unlike the internal flow experiments, however, the superhydrophobic spheres increased drag in external flow both in the viscous and inertial regimes." --

Surface Energy

Surface Energy
  • Author : Mahmood Aliofkhazraei
  • Publisher :Unknown
  • Release Date :2015-12-16
  • Total pages :382
  • ISBN : 9789535122166
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Summary : The words hydro, phobic and philic are derived from Greek and they mean water, fear and adoration respectively. These words are being used to define the interaction of water and other materials. As an example, these words are being used in classification of liquids and solids based on their solubility in water, as well as classification of solid surfaces regarding to their wettability. A lot of surfaces in the nature have Superhydrophobic and self-cleaning properties. For example the wings of a butterfly, leaves of some plants, including cabbage and Indian Cress, have the mentioned properties. The best example is the LOTUS leaf. This book collects new developments in the science of surface energy.

Ice Adhesion

Ice Adhesion
  • Author : K. L. Mittal,Chang-Hwan Choi
  • Publisher :Unknown
  • Release Date :2020-11-24
  • Total pages :704
  • ISBN : 9781119640370
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Summary : The book containing 18 chapters is divided into three parts: Part 1: Fundamentals of Ice Formation and Ice Characteristics; Part 2: Ice Adhesion and Its Measurement; and Part 3: Methods to Mitigate Ice Adhesion. The topics covered Include: Factors influencing the formation, adhesion and friction of ice; ice nucleation on solid surfaces; physics of ice nucleation and growth on a surface; condensation frosting; defrosting properties of structured surfaces; relationship between surface free energy and ice adhesion to surfaces; metrology of ice adhesion; test methods for quantifying ice adhesion strength to surfaces; interlaboratory studies of ice adhesion strength; mechanisms of surface icing and deicing technologies; anti-icing using microstructured surfaces; durability assessment of icephobic coatings; bio-inspired icephobic coatings; challenges in rational fabrication of icephobic surfaces; protection from ice accretion on aircraft; and numerical modeling and its application to inflight icing.

Recent Advances in the Methods for Designing Superhydrophobic Surfaces

Recent Advances in the Methods for Designing Superhydrophobic Surfaces
  • Author : Harinarayanan Puliyalil
  • Publisher :Unknown
  • Release Date :2015
  • Total pages :229
  • ISBN : OCLC:1154304236
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Summary : The investigations of superhydrophobicity and self-cleaning surfaces have been given a lot of attention in the last few decades. The surfaces having water contact angle larger than 90° are termed as hydrophobic surfaces and those which exhibit contact angle higher than 150° are said to be superhydrophobic. Such surfaces were first observed in nature in various plants and animals, for example, lotus leaf-like structures. Water repellence of various materials have shown great influences on various applications such as self-cleaning, anti-ageing, water-oil separation, water corrosion in electrical industry, water proof textiles, controlled transportation of fluids, et cetera Generally, surface micro/nanostructuring combined with low surface energy of materials leads to extreme anti-wetting properties. The hundreds of research articles and more than 450 patents on the subject of nature mimicking self-cleaning surfaces prove the potential of this topic.