Download or read book Investigations of Conductive Polymer Coating for Corrosion Protection of Aluminum Alloys written by James J. Racicot and published by . This book was released on 1997-04-01 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: The research towards this endeavor started with the development of a new conductive polymer compound, a double strand complex of polyaniline with a full range of different polyelectrolytes. This new compound is in the form of a twisted double helix, similar to DNA. The drive for this development was to improve the stability of the electroactive green colored form of polyaniline under heat, solvents and pH environments and improve the solubility characteristics of the polymer. The goal of this work is to try to increase the pKa of the polyaniline strand. The other approach is to blend the conductive double strand complexes with various epoxies to slow down the de-protonation process of the polyaniline. This work could lead to a new primerless epoxy coating technology.
Download or read book Investigations of Conductive Polymer Coatings for Corrosion Protection of Aluminum Alloys written by Robert James Racicot and published by . This book was released on 1997 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Polymers Coatings written by Inamuddin and published by John Wiley & Sons. This book was released on 2020-05-27 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt: The explores the cutting-edge technology of polymer coatings. It discusses fundamentals, fabrication strategies, characterization techniques, and allied applications in fields such as corrosion, food, pharmaceutical, biomedical systems and electronics. It also discusses a few new innovative self-healing, antimicrobial and superhydrophobic polymer coatings. Current industrial applications and possible potential activities are also discussed.
Download or read book Intelligent Coatings for Corrosion Control written by Atul Tiwari and published by Butterworth-Heinemann. This book was released on 2014-10-25 with total page 747 pages. Available in PDF, EPUB and Kindle. Book excerpt: Intelligent Coatings for Corrosion Control covers the most current and comprehensive information on the emerging field of intelligent coatings. The book begins with a fundamental discussion of corrosion and corrosion protection through coatings, setting the stage for deeper discussion of the various types of smart coatings currently in use and in development, outlining their methods of synthesis and characterization, and their applications in a variety of corrosion settings. Further chapters provide insight into the ongoing research, current trends, and technical challenges in this rapidly progressing field. - Reviews fundamentals of corrosion and coatings for corrosion control before delving into a discussion of intelligent coatings—useful for researchers and grad students new to the subject - Covers the most current developments in intelligent coatings for corrosion control as presented by top researchers in the field - Includes many examples of current and potential applications of smart coatings to a variety of corrosion problems
Download or read book Conductive Polymer Coating for Corrosion Protection of Steel written by Tedric Soh and published by . This book was released on 2008 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book New Pigments and Additives for Corrosion Protection by Organic Coatings written by Flavio Deflorian and published by Frontiers Media SA. This book was released on 2020-12-11 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt: This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact.
Download or read book Electrochemical Characterization of Plasma Polymer Coatings in Corrosion Protection of Aluminum written by Yen-Fong Chan and published by . This book was released on 2005 with total page 85 pages. Available in PDF, EPUB and Kindle. Book excerpt: Low-temperature plasma polymerization is a new and promising pretreatment technique to create environmentally friendly coating systems with good corrosion protection for aluminum (Al) alloys. The effects of plasma pretreatment and plasma polymerization on corrosion protection of alclad Al alloy 2024-T3 ([2A]) were characterized using electrochemical techniques, including cyclic polarization (CP) and electrochemical impedance spectroscopy (EIS). The [2A] panels were coated with an ultrathin layer (~50 nm) of plasma polymers in a direct current (dc) glow discharge of trimethylsilane (TMS) or its mixtures with O 2 or N 2 . The CP measurement results showed that the plasma polymer coated [2A] panels exhibited more negative corrosion potentials (E corr), smaller corrosion currents (I corr), and no surface passivation when compared with uncoated [2A] panels. The lower values of I corr imply a higher corrosion resistance on the plasma polymer coated [2A]. When investigated using EIS, these plasma polymer coated [2A] panels exhibited higher impedance at low frequency when first immersed in electrolyte solution, yet degraded quickly to the similar level as uncoated controls within one day of immersion. These results illustrated that thin plasma polymer films provided a certain but very limited corrosion resistance to [2A] substrate; their dominant role in plasma interface engineered coating systems still lies mostly in their adhesion enhancement at metal/paint interface as observed in our previous studies and further confirmed in this study.
Download or read book Conductive Polymers for Corrosion Protection written by Adam Michalik and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Corrosion Protection at the Nanoscale written by Susai Rajendran and published by Elsevier. This book was released on 2020-03-10 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt: Corrosion Protection at the Nanoscale explores fundamental concepts on how metals can be protected at the nanoscale by using both nanomaterials-based solutions, including nanoalloys, noninhibitors and nanocoatings. It is an important reference resource for both materials scientists and engineers wanting to find ways to create an efficient corrosion prevention strategy. Nanostructure materials have been widely used in many products, such as print electronics, contact, interconnection, implant, nanosensors and display units to lessen the impact of corrosion. Traditional methods for protection of metals include various techniques, such as coatings, inhibitors, electrochemical methods (anodic and cathodic protections), metallurgical design are covered in this book. Nanomaterials-based protective methods can offer many advantages over their traditional counterparts, such as protection for early-stage, higher corrosion resistance, better corrosion control. This book also outlines these advantages and discusses the challenges of implementing nanomaterials as corrosion protection agents on a wide scale. - Explains the main methods of detection, monitoring, testing, measurement and simulation of corrosion at the nanoscale - Explores how metals can be protected at the nanoscale using nanotechnology and nanomaterials - Discusses the major challenges of detecting and preventing corrosion at the nanoscale
Download or read book Development of electrically conductive polymer coatings for coil coated steel sheets contract no 7210 PR 259 1 July 2000 to 30 June 2004 final report written by C. Celsing and published by . This book was released on 2006 with total page 93 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Study of Electroactive Polymers as Corrosion Inhibitors of Aluminum 2024 T3 and Cold Rolled Steel Conducting Polymers of Corrosion Control of Coated Aircraft written by and published by . This book was released on 2000 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chromate surface treatments and chromate-containing epoxy primers are often used for corrosion control of aluminum alloys. However, due to environmental concerns and adverse health effects surrounding such use of chromates, there is an intensive effort to find suitable replacements for chromate-based coatings. Electroactive conducting polymers (ECPs) continue to be of considerable interest as components of corrosion-resistant coating systems. ECPs, in addition to being conductive, are redox active materials, with potentials that are positive of iron and aluminum. Thus, as with chromate, interesting and potentially beneficial interactions of ECPs with active metal alloys are anticipated. Our group has been investigating several ECPs for their corrosion protective properties, with emphasis on solution processable polymers. In this final report, the results of long-term immersion, preliminary results of Prohesion(registered) exposure studies, and scanning vibrating electrode technique (SVET), also known as the current density probe (CDP), are described. The coating systems studied incorporated either poly (3-octyl pyrrole) (POP) or poly (3-octadecyl pyrrole) (PODP) as a primer coating of 2 to 3 micrometers thickness. Samples were also studied that utilized a polyurethane topcoat of ca. 20 micrometers thickness in conjunction with the ECP coating. In control experiments, a chromated-epoxy primer of 20 micrometers thickness replaced the ECP coating. The immersion solution for the aluminum 2024-T3 samples was dilute Harrison solution, consisting of 0.35% (NH4)2SO4 and 0.05% NaCl. For the cold rolled steel samples a 3% NaCl electrolyte was used for this study.
Download or read book Electroactive Polymers for Corrosion Control written by Peter Zarras and published by American Chemical Society. This book was released on 2003 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electroactive Polymers for Corrosion Control is designed to help chemists and engineers prevent corrosion of metals. This book discusses electroactive polymers, electrically conductive polymers, and mechanisms of corrosion protection (passivation of metals). Professor Alan MacDiarmid, 2000 Nobel Laureate, presents a brief review of the history of electroactive materials with a general understanding of the synthesis of electroactive materials and corrosion in aqueous environments. Several authors explain the phenomena of corrosion and propose mechanisms by which electroactive polymers inhibit corrosion. Several studies include current state-of-the-art synthesis of electroactive polymers, and data supporting the prevention of corrosion in various media are discussed. In addition, new techniques for measuring the onset of corrosion are presented. Chapters in this volume represent a broad range of new electroactive materials used in corrosion prevention and techniques used to measure corrosion. Both materials scientists and engineers will find this book useful for understanding and preventing corrosion. Alternatives to traditional barrier coatings used to prevent or retard corrosion are also discussed. Although previously published books have focused on organic and inorganic barrier coatings to prevent corrosion, this book focuses exclusively on electroactive polymers and their performance in retarding corrosion. Electroactive polymers represent a new, environmentally friendly approach to corrosion prevention.
Download or read book Polymer Based Nanoscale Materials for Surface Coatings written by Sabu Thomas and published by Elsevier. This book was released on 2023-05-10 with total page 690 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymer-Based Nanoscale Materials for Surface Coatings presents the latest advances and emerging technologies in polymer-based nanomaterials for coatings, focusing on novel materials, characterization techniques, and cutting-edge applications. Sections present the fundamentals of surface preparation and nanocoatings, linking materials and properties, explaining the correlation between morphology, surface phenomena, and surface protection mechanism, and covering theory, modeling and simulation. Other presented topics cover characterization methods, with an emphasis on the latest developments in techniques and approaches. Aging and lifecycle assessment of coated surfaces and coatings are also discussed.Final sections explore advanced applications across a range of fields, including intelligent coatings for biomedical implants, self-healing coatings, syper-hydrophobicity, electroluminescence, sustainable edible coatings, marine antifouling, corrosion resistance, and photocatalytic coatings. Explains the fundamentals of coatings and surface protection, mechanisms, materials and properties, and modeling and simulation Presents detailed information on the latest characterization techniques to prepare nanoscale polymer coatings with enhanced properties Explores a broad range of state-of-the-art applications and considers aging and lifecycle assessments of coatings
Download or read book Handbook of Modern Coating Technologies written by Mahmood Aliofkhazraei and published by Elsevier. This book was released on 2021-03-06 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: Handbook of Modern Coating Technologies: Advanced Characterization Methods reviews advanced characterization methods of modern coating technologies. The topics in this volume consist of scanning vibrating electrode technique, spectroscopic ellipsometry, advances in X-ray diffraction, neutron reflectivity, micro- and nanoprobes, fluorescence technique, stress measurement methods in thin films, micropotentiometry, and localized corrosion studies.
Download or read book Nanostructured Conductive Polymers written by Ali Eftekhari and published by John Wiley & Sons. This book was released on 2011-07-07 with total page 740 pages. Available in PDF, EPUB and Kindle. Book excerpt: Providing a vital link between nanotechnology and conductive polymers, this book covers advances in topics of this interdisciplinary area. In each chapter, there is a discussion of current research issues while reviewing the background of the topic. The selection of topics and contributors from around the globe make this text an outstanding resource for researchers involved in the field of nanomaterials or polymer materials design. The book is divided into three sections: From Conductive Polymers to Nanotechnology, Synthesis and Characterization, and Applications.
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Conducting Polymers polyimide clay Nanocomposite Coatings for Corrosion Protection of Aa 2024 Alloy written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Corrosion of metals is a major problem in the aerospace and automobile industry. The current methods of corrosion protection such as chromate conversion coatings are under increased scrutiny from the Environmental Protection Agency (EPA) due to their carcinogenic nature. Intrinsically conducting polymers (ICPs) like polyaniline and polypyrrole have been considered as a potential replacement for chromate conversion coatings and have been under investigation since past decade. The goal of this study is to replace the chromate conversion coating by an environmentally friendly organic coating. Poly (N-ethyl aniline) coating was electrodeposited as the primer layer and polyimide-clay nanocomposite was solution cast as the barrier layer on AA-2024 alloy. This study will provide a better understanding of the corrosion protection mechanism of the conducting polymer coating. Various characterization techniques such as infrared spectroscopy, cyclic voltammetry and scanning electron microscopy were used to study the formation, chemical structure and morphology of the coatings. Electrodeposition parameters like monomer concentration, applied current density and the reaction time were varied in order to optimize the properties of the conducting polymer coating. The corrosion performance of the primer coating was evaluated by DC polarization studies. It was found that poly (N-ethyl aniline) reduces from emeraldine to leucoemeraldine form; reducing the rate of cathodic reaction, which reduces the rate of corrosion of AA-2024 alloy. Polyimide-clay nanocomposite coating was solution cast on the conducting polymer primer layer for enhancing the barrier and corrosion properties of the coating system. The concentration of polyimide (10-25 vol %) and clay (0.1 and 1 wt %) were varied in the coating formulation to optimize the barrier properties of topcoat. X-ray diffraction showed that the intergallery clay distance decreased from 17.2[alpha] to 11.79[alpha] after immidization of polyimide-clay nanocomposite coating and infrared spectroscopy suggested that there was hydrogen bonding interaction between clay and polyimide chains. DC polarization study, electrochemical impedance spectroscopy and scanning vibrating electrode technique were used to evaluate the corrosion property and model the coating degradation in corrosive medium. It was found that the corrosion property were dependent on the thickness of the barrier coat and concentration of clay in the polyimide coating. The results obtained from the above mentioned test suggest that poly (N-ethyl aniline)/polyimide-clay nanocomposite coatings system is a potential candidate to replace the traditionally used and environmentally unfriendly chromate conversion coating.
