Plastik og polymerer

Synthetic Polymers in Drug and Biotherapeutics Delivery covers new polymers that are fast replacing obsolete polymers in the field of drug delivery. Each chapter focuses on a specific polymer, detailing its design, synthesis, fabrication techniques, and applications in drug and biotherapeutics delivery. Synthetic polymers provide a unique set of opportunities in drug and biotherapeutics delivery due to their chemical versatility and tunable physicochemical properties. Such polymers can be formulated into nanoparticles, nanofibers, nanogels, microparticles, beads, hydrogels, and scaffolds to suit specific needs such as drug release rate, and biodegradation with low toxicity. This book covers new polymers that are fast replacing obsolete polymers in the field of drug delivery. Each chapter will focus on a specific polymer detailing its design, synthesis, fabrication techniques, and applications in drug and biotherapeutics delivery. This book provides a thorough review of the latest research in this rapidly changing field and would be of interest to materials scientists, pharmaceutical scientists, biomedical engineers, chemical engineers, and clinicians with an interest in materials development.

Advances in Structural Adhesive Bonding, Second Edition reviews developments in adhesive bonding for a range of advanced structural engineering applications. This new edition has been fully revised to include the latest advances in materials, testing and modeling methods, lifecycle considerations, and industrial implementation. Sections review advances in commonly used groups of structural adhesives, covering epoxy, acrylic, anaerobic and cyanoacrylate, polyurethane, and silicone adhesives, along with toughening. Other chapters cover various types of adherends and pre-treatment methods for structural materials, including metals, plastics, composites, wood and joint design and testing, including topics such as fracture mechanics, life prediction techniques, and advanced testing methods. This is a valuable guide for all those working with structural adhesives, including those in an industrial setting, adhesive specialists, structural engineers, design engineers, R&D professionals, and scientists, as well as academic researchers and advanced students in adhesives, joining technology, materials science and mechanical engineering.

Polyimides: Advances in Blends and Nanocomposites brings together the latest research in the area of polyimide-based blends and nanocomposites, opening the door to a range of cutting-edge applications. The book begins by discussing polyimide architectures, synthetic pathways, processing, properties, challenges and application potential before introducing polyimide-based blends and nanocomposites and explaining the modification of polyimide chains for high performance composites matrices. This is followed by chapters offering detailed, methodical coverage of each main type of blend and nanocomposite, covering preparation techniques, structures, properties and current and emerging applications.Throughout the book's chapters, there is an emphasis on methods for high-performance polyimide-based materials, with a constant orientation towards applications and additional in-depth coverage at the end of the book on three key application areas, gas separation, fuel cells, and biomedical applications. This is a valuable resource for researchers and advanced students across polymer science, composite science, nanotechnology, materials chemistry, biomaterials, and chemical engineering, as well as R&D professionals, scientists and engineers working with polyimide-based materials for advanced industrial applications.

This book discusses the utilization of nano-based formulations for control of viral agents. Antiviral potential of green synthesized silver, chitosan nanoparticles encapsulating curcumin, photoinduced antiviral carbon nanohorns, and role of carbon-based materials like carbon nanotubes in repression of viral antigens are explained.

Nanomaterials for Bioreactors and Bioprocessing Applications explores the potential of nanomaterials in improving the efficiency of bioprocessing industries and next-generation bioreactors. The book provides information on various newly synthesized nanomaterials in bioreactors for scaling up the bioprocess to an industrial level, the criteria and properties of nanomaterials to be used in bioprocessing, advantages and challenges while using the nanomaterials, and economic constraints. In addition, the book also discusses the fate of various nanomaterials in the bioprocess, the chances of product contamination, and its prevention. This book is an important reference source for materials scientists and biomedical engineers seeking information on the synthesized nanomaterials that are available for bioreactors and bioprocesses, and the various optimized conditions and precautions to be taken.

Polymers in Electronics: Optoelectronic Properties, Design, Fabrication, and Applications brings together the fundamentals and latest advances in polymeric materials for electronic device applications, supporting researchers, scientists and advanced students, and approaching the topic from a range of disciplines. The book begins by introducing polymeric materials, their dielectric, optical, and thermal properties, and the essential principles and techniques for polymers as applied to electronics. This is followed by detailed coverage of the key steps in the preparation of polymeric materials for opto-electronic devices, including fabrication methods, materials design, rheology, encapsulation, and conductive polymer mechanisms. The final part of the book focuses on the latest developments in advanced devices, covering the areas of photovoltaics, transistors, light-emitting diodes, and stretchable electronics. In addition, it explains mechanisms, design, fabrication techniques, and end applications. This is a highly valuable resource for researchers, advanced students, engineers and R&D professionals from a range of disciplines.

Analytical pyrolysis allows scientists to use routine laboratory instrumentation for analyzing complex, opaque, or insoluble samples more effectively than other analytical techniques alone. Analytical Pyrolysis Handbook, Third Edition is a practical guide to the application of pyrolysis techniques to various samples and sample types for a diversity of fields including microbiology, forensic science, industrial research, and environmental analysis.The much-anticipated third edition incorporates recent technological advances that increase the technique's sensitivity to trace elements, improve its reproducibility, and expand its applicability. The book reviews the types of instrumentation available to perform pyrolysis and offers guidance for interfacing instruments and integrating other analytical techniques, including gas chromatography and mass spectrometry. Fully updated with new sample pyrograms, figures, references, and real-world examples, this edition also highlights new areas of application including cultural materials, forensic analysis, and environmental studies.This book illustrates how the latest advances make pyrolysis a practical, cost-effective, reliable, and flexible alternative for increasingly complex sample analyses. Analytical Pyrolysis Handbook, Third Edition is an essential, one-stop guide for determining if pyrolysis meets application-specific needs as well as performing pyrolysis and handling the data obtained.

The Handbook of Natural Polymers: Sources, Synthesis, and Characterization is a comprehensive resource covering extraction and processing methods for polymers from natural sources, with an emphasis on the latest advances. The book begins by introducing the current state-of-the-art, challenges, and opportunities in natural polymers. This is followed by detailed coverage of extraction, synthesis, and characterization methods, organized by polymer type. Along with broad chapters discussing approaches to polysaccharide-based polymers, dedicated chapters offer in-depth information on nanocellulose, chitin and chitosan, gluten, alginate, natural rubber, gelatin, pectin, lignin, keratin, gutta percha, shellac, silk, wood, casein, albumin, collagen, hemicellulose, polyhydroxyalkanoates, zein, soya protein, and gum. The final chapters explore other key themes, including filler interactions and properties in natural polymer-based composites, biocompatibility and cytotoxicity, biodegradability, life cycle, and recycling. Throughout the book, information is supported by data, and guidance is offered regarding potential scale-up and industry factors. As part of a 3-volume handbook offering comprehensive coverage of natural polymers, this book will be of interest to all those looking to gain a broad knowledge of natural polymers, including academic researchers, scientists, advanced students, engineers, and R&D professionals from a range of disciplines and industries.

Advances in Smart Nanomaterials and their Applications brings together the latest advances and novel methods in the preparation of smart nanomaterials for cutting-edge applications. The book covers fundamental concepts of nanomaterials, including fabrication methods, processing, application areas, specific applications of smart nanomaterials across a range of areas, such as biomedicine, pharmaceuticals, food science and packaging, sensing, cosmetics and dermatology, gas, oil, energy, wastewater and environment, textiles, agriculture, and forestry sectors. In each case, possible challenges, recent trends, and potential future developments are addressed in detail. The book also discusses various considerations for the utilization of smart nanomaterials, including environmental safety and legal requirements. The book is suitable for graduate students as a textbook and simultaneously be useful for both novices and experienced scientists or researchers, medical biologists, nanobiotechnologists, nanoengineers, agricultural scientists, and general biologists as a reference book as well as inspires some industrialists and policy makers involved in the investigation of smart nanomaterials.

Functionalized Nanofibers: Synthesis and Industrial Applications presents the latest advances in the fabrication, design, processing, and properties of functionalized nanofibers for a range of advanced applications. Sections introduce fabrication, mechanisms, and design of functionalized nanofibers, explaining electrospinning and non-electrospinning techniques, optimization of structural designs, surface functionalization techniques, and characterization methods. Subsequent sections focus on specific application areas, highlighting preparation methods and applications of functionalized nanofibers across biomedicine, surfaces and coatings, food, environment, energy, electronics, and textiles. Finally, environmental impact and safety and legal aspects related to the utilization of functionalized nanofibers are considered. This is a valuable resource for researchers and advanced students with an interest in nanomaterials and nanotechnology, and across other disciplines such as polymer science, chemistry, chemical engineering, and materials science and engineering.

Applications of Unsaturated Polyester Resins: Synthesis, Modifications, and Preparation Methods takes a practical approach to unsaturated polyester-based materials and their preparation for implementation in a range of innovative areas. Sections introduce the background of polyester and the fundamentals of unsaturated polyester resins (UPRs), including chemistry, additives, curing, and processing methods. Hydrolytic stability and structure-property relationships are also discussed in detail, along with coverage of modification strategies for UPR and the development of bio-composites incorporating natural fiber with unsaturated polyester. Subsequent chapters focus on the preparation of UPR for specific target applications, including in construction, marine and aerospace, adhesives and coatings, insulation systems, electrics, pipeline corrosion, military, biomedicine, and tissue engineering. Finally, the advantages and disadvantages of UPR compared to other resins, in terms of properties and performance, as well as life cycle assessment, are addressed and analyzed.

Ionotropic Cross-Linking of Biopolymers: Applications in Drug Delivery provides in-depth insights and presents the latest advances in ionotropic cross-linked biopolymeric systems for drug delivery and related applications. Sections introduce the fundamentals of ionotropic cross-linking of biopolymers, including mechanisms, chemistry, cross-linking methods and gelation. Additional content delves into ionotropically cross-linked biopolymers based on a range of sources, including alginate, pectinate, carboxymethyl cellulose, gellan gum, chitosan, carboxymethylated gums, plant polysaccharide blends, and synthetic polymer blends. This is followed by a section focusing on ionotropically cross-linked biopolymeric systems, such as polymeric nanoparticles, microparticles, beads, and reinforced matrices.The last part of the book explores specific advanced drug delivery applications, before considering future opportunities and challenges in the field. This is a valuable resource for researchers and advanced students across polymer science, biomaterials, biomedicine, pharmaceutics, biotechnology, and chemistry, as well as scientists and R&D personnel working in pharmacy, drug delivery, and materials for biomedicine.

Advances in Thermoplastic Elastomers: Challenges and Opportunities brings together the state-of-the-art in thermoplastic elastomers (TPEs), covering innovative materials, synthesis techniques, processing methods and sustainability. Sections outline thermoplastic elastomers, rubber elastic, and thermoplastic vulcanizates, and review the current landscape, from research and published literature, to commercialization and patents. Subsequent chapters offer methodical coverage of different categories of advanced thermoplastic elastomer materials, including areas such as polyolefin-based TPEs and high performance TPEs. The final chapters in the book examine options for sustainability, including bio-based, bio-resourced, and biodegradable TPEs, as well as circular economy and recycling of TPEs.Finally, outlook and future market and research trends are reviewed. This is a valuable book for researchers and advanced students working with elastomers, polymer science, materials chemistry, and materials engineering. In an industrial setting, this is an essential resource for R&D professionals, scientists, and engineers looking to utilize thermoplastic elastomers in a range of advanced applications.

Nanocomposites-Advanced Materials for Energy and Environmental Aspects provides a brief introduction to metal oxides. The book then discusses novel fabrication methodologies and eco-friendly methods for using a broad range of metal oxide-based nanocomposites in innovative ways. Key aspects include fundamental characteristics of environmentally sustainable fabrication of materials for solar power, power generation and the textiles industries. Commercialization and economic aspects that are currently of major significance are also discussed in detail. The book represents an important information resource for material scientists and engineers to create the next generation of products and devices for energy and environmental applications. Metal and metal oxide-based nanocomposites are at the heart of some of the most exciting developments in the field of energy and environmental research. They have exceptional properties and are utilized in electronic and environmental sensing devices, for energy storage, electrode materials, fuel cells, membranes, and more.

With the rapid advancements in polymer research, polymers are finding newer applications such as scaffolds for tissue engineering, wound healing, flexible displays, and energy devices. In the same spirit, this book covers the key features of recent advancements in polymeric materials and their specialty applications. Divided into two sections - Polymeric Biomaterials and Polymers from Sustainable Resources, and Polymers for Energy and Specialty Applications - this book covers biopolymers, polymer-based biomaterials, polymer-based nanohybrids, polymer nanocomposites, polymer-supported regenerative medicines, and advanced polymer device fabrication techniques.FEATURESProvides a comprehensive review of all different polymers for applications in tissue engineering, biomedical implants, energy storage or conversion, and so forthDiscusses advanced strategies in development of scaffolds for tissue engineeringElaborates various advanced fabrication techniques for polymeric devicesExplores the nuances in polymer-based batteries and energy harvestingReviews advanced polymeric membranes for fuel cells and polymers for printed electronics applicationsThrows light on some new polymers and polymer nanocomposites for optoelectronics, next generation tires, smart sensors and stealth technology applicationsThis book is aimed at academic researchers, industry personnel, and graduate students in the interdisciplinary i elds of polymer and materials technology, composite engineering, biomedical engineering, applied chemistry, chemical engineering, and advanced polymer manufacturing.

Polymer Electrolytes and their Composites for Energy Storage/Conversion Devices presents a state-of-the-art overview of the research and development in the use of polymers as electrolyte materials for various applications. It covers types of polymer electrolytes, ion dynamics, and the role of dielectric parameters and a review of applications. Divided into two parts, the first part of the book focuses on the types of polymer electrolytes, ion dynamics, and the role of dielectric parameters, while the second part provides a critical review of applications based on polymer electrolytes and their composites. This book:Presents the fundamentals of polymer composites for energy storage/conversion devicesExplores the ion dynamics and dielectric properties role in polymer electrolytesProvides detailed preparation methods and important characterization techniques to evaluate the electrolyte potentialReviews analysis of current updates in polymer electrolytesIncludes various applications in supercapacitor, battery, fuel cell, and electrochromic windowsThe book is aimed at researchers and graduate students in physics, materials science, chemistry, materials engineering, energy storage, engineering physics, and industry.

Supercapacitors are energy storing devices, gaining great scientific attention due to their excellent cycling life, charge-discharge stability, energy, and power density. The central theme of this book is to review the multiple applications of polymer nanocomposites in supercapacitors in a comprehensive manner, including discussions pertaining to various unresolved issues and new challenges in the subject area. It illustrates polymer nanocomposite preparation and working mechanisms as electrodes, binders, separators, and electrolytes. This edited volume also explains different components of supercapacitors, including theory, modelling, and simulation aspects.Features:Covers the synthesis and properties of polymer nanocomposites for varied usage.Explains roles of different types of nanofillers in polymeric systems for developing supercapacitors.Highlights theory, modelling, and simulation of polymeric supercapacitors.Gives an illustrative overview of the multiple applications of polymers and their nanocomposites.Includes graphene, CNT, nanoparticle, carbon, and nano-cellulose-based supercapacitors.This book is aimed at graduate students and researchers in materials science, polymer science, polymer physics, electrochemistry, electronic materials, energy management, electronic engineering, polymer engineers, and chemical engineering.

Hybrid Polymeric Nanocomposites from Agricultural Waste examines the use of agricultural by-products for green production of new materials. It covers nanoparticle synthesis from agricultural wastes and nanocomposite development with a focus on polyethylene, polylactic acid, polymethylmethacrylate, and epoxy resins, and considers possible biomedical and engineering applications. Showcases agricultural waste as polymer reinforcements to replace expensive synthetic fibres that discourage wide polymeric nanocomposite applications Discusses green synthesis and characterisation of hybrid nanocomposites from polylactic acid, polymethylmethacrylate, recycled/new polyethylene, and epoxy resins Contrasts hybrid nanocomposites properties with standard nanocomposites, using automotive case studies The book is aimed at researchers, advanced students, and industrial professionals in materials, polymer, and mechanical engineering and related areas interested in the development and application of sustainable materials.

The validation of equipment, processes and methods is a basic requirement that nowadays has to be met in most industries. This handbook deals with the validation of computerized systems in general as well as with analytical method validation. The many detailed practical examples focus on thermal analysis of materials, such as plastics and rubber.The handbook is intended for newcomers interested in the theoretical and regulatory aspects of validation and for thermal analysis practitioners who have to validate their equipment and methods.Contents:Part 1: Validation of Computerized SystemsRecent Changes in Regulations and Regulatory GuidanceInstrument Qualification, Computerized System Validation and Method ValidationRegulatory Requirements for Computerized System ValidationComputerized System ValidationWriting the User Requirements Specification (URS)Auditing the System SupplierInstallation Qualification and Operational Qualification (IQ and OQ)Performance Qualification (PQ) or End User TestingPart 2: Method ValidationMeasurement Errors and Uncertainty of MeasurementValidation of Analytical Procedures and MethodsInterlaboratory Studies in Thermal AnalysisMethod Development Through to SOPPractical ExamplesAppendix 1: 21 CFR Part 11 and EU GMP Annex 11Appendix 2: Basic StatisticsAppendix 3: Standard Test Methods for Thermal Analysis