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Author: Sabu Thomas
Publisher: Elsevier
ISBN: 0323886434
Category : Technology & Engineering
Languages : en
Pages : 542
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Book Description
Nanofillers for Binary Polymer Blends covers major advances in the field of polymer-blend nanocomposites. The book encompasses the fundamentals of polymer blends, various nanofillers, experimental techniques used in their fabrication, the characterization of various polymer blend nanocomposites, and theoretical evaluations of various properties. The properties and potential applications that have been achieved in various polymer blends by the addition of nanofillers are also highlighted. Applications for commercial products, including automotive parts, packaging, construction materials, biotechnology, medical devices, building materials, computer housings, car interiors, etc., are also covered in detail.This is an important reference source for materials scientists and engineers looking to increase their understanding of how nanofillers are being used in polymer blends. Outlines the various types of nanofillers, explaining how the properties of each enhances the morphology, rheology, mechanical, dynamic mechanical, viscoelastic, electrical and thermal properties of polymer blends Provides information on the theory, modeling and simulation of nano-filled polymer blends Assesses the mechanism of selective localization of nanofillers in polymer blends, the effect of localization of nanofillers on the microstructure, and the relative performance of polymer blends
Author: Sabu Thomas
Publisher: Elsevier
ISBN: 0323886434
Category : Technology & Engineering
Languages : en
Pages : 542
Get Book Here
Book Description
Nanofillers for Binary Polymer Blends covers major advances in the field of polymer-blend nanocomposites. The book encompasses the fundamentals of polymer blends, various nanofillers, experimental techniques used in their fabrication, the characterization of various polymer blend nanocomposites, and theoretical evaluations of various properties. The properties and potential applications that have been achieved in various polymer blends by the addition of nanofillers are also highlighted. Applications for commercial products, including automotive parts, packaging, construction materials, biotechnology, medical devices, building materials, computer housings, car interiors, etc., are also covered in detail.This is an important reference source for materials scientists and engineers looking to increase their understanding of how nanofillers are being used in polymer blends. Outlines the various types of nanofillers, explaining how the properties of each enhances the morphology, rheology, mechanical, dynamic mechanical, viscoelastic, electrical and thermal properties of polymer blends Provides information on the theory, modeling and simulation of nano-filled polymer blends Assesses the mechanism of selective localization of nanofillers in polymer blends, the effect of localization of nanofillers on the microstructure, and the relative performance of polymer blends
Author: Juan RodrÃguez-Hernández
Publisher: Elsevier Inc. Chapters
ISBN: 012809088X
Category : Technology & Engineering
Languages : en
Pages : 108
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Book Description
The design of polymer blends constitutes an interesting alternative to obtaining micro- and nanostructured surfaces. The cost is reasonable and it is free from time-consuming procedures. Blending of polymers can yield materials with unprecedented properties that cannot be provided otherwise by using a single polymer. The free surface topography of polymer blend films, often related to phase domain structure, is critical to the applications. Two main aspects need to be considered in the preparation of multistructured blends: the interfaces involved and the morphology to be obtained. The control of these two aspects depends further on materials-related parameters involving the composition of the blend, the interfacial tension or viscosity ratio, and the processing conditions related to the temperature, time, or intensity of mixing, among others. Both domain structure and topography of the blend films have garnered increasing interest over the past decade. This chapter describes the nanomicrostructures formed at the polymer surface from polymer blends. Despite the crucial role that surfaces play in the final application of the material, up to now most of the studies concerning polymer blends have been related to the control of the mechanical properties (toughness, stiffness, thermal expansion, etc.), their barrier properties, or the electrical conductivity. This chapter focuses on the analysis of the structured polymer surfaces and thin films, giving an overview of the role of these structures on the final application. The principles of phase separation and the resulting structures formed are briefly discussed, followed by a wide overview of the possibilities of producing stimuli-responsive interfaces by introducing, among other things, pH- or temperature-responsive polymers within the blend. Finally, we look at how using particular preparation conditions and/or self-assembly of block copolymers, the formation of films and surfaces with hierarchical order length-scales can be induced. We also examine the main areas in which multiscale-ordered interfaces obtained from polymer blends have been applied.
Author: Roberto Scaffaro
Publisher: Elsevier Inc. Chapters
ISBN: 0128090820
Category : Technology & Engineering
Languages : en
Pages : 47
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Book Description
Nanofillers can play two important roles in polymer blends. The first is the improvement of various properties such as mechanical, barrier, thermal, flame retardancy, and electrical properties. The second is the modification of miscibility/compatibility and morphology of polymer blends. The mechanism of action of nanoparticles to modify the morphology, interfacial properties, and performance of immiscible polymer blends relies on their localization, their interactions with polymer components, and the way these additives disperse within the polymer blend. The objective of this chapter is to review the research on nanofilled thermoplastic/thermoplastic polymer blends, paying particular attention both to the distribution of nanoparticles inside a binary polymer blend and to the effect of nanofillers on the morphology and on the properties of the thermoplastic polymer blends. In a large majority of cases, thermoplastic polymer blends filled with nanoparticles show better compatibility in terms of morphology size than pure blends. Moreover, the formation of a cocontinuous structure is promoted by the presence of the nanofiller.
Author: Robert A. Shanks
Publisher: Elsevier Inc. Chapters
ISBN: 0128090790
Category : Technology & Engineering
Languages : en
Pages : 31
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Book Description
Many nanostructured materials have been and are being prepared with increasing control over molecular configurations, conformations, and supramolecular assembly. These nanomaterials place an increasing challenge for characterization techniques to confirm the proposed structure and morphology. Several techniques are widely available, with increasing degrees of sophistication. Ideal techniques are those where the natural scale of the technique, such as radiation wavelength, matches that of the size scale of features in the material. In the case of nanostructured polymer blends the features are dispersed polymer phases, filler particles, and interphases. Immediately electron microscopies and X-ray techniques are apparent. Adaptions of these and related techniques extend their capabilities for the nano range. In addition to experimental observations, methods for quantifying the images or data are needed for comparison between materials and modeling via theoretical equations, which in the limit may become molecular modeling. As needs arise instruments have been improved in detection, resolution, accuracy, and precision. Development of any nanomaterial requires support from a suite of increasingly capable instrumentation. This review concentrates on techniques that directly probe nanostructures with mention of related techniques that apply to any dimension scale, though provide important secondary data.
Author: Emmanuel Rotimi Sadiku
Publisher: Elsevier Inc. Chapters
ISBN: 0128090812
Category : Technology & Engineering
Languages : en
Pages : 38
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Book Description
Great progress has been made in the science and technology of polymer-based nanomaterials over the last decade. Nanostructured polymer systems have attracted much scientific and applied research interest. The last two decades have witnessed significant advances in polymer science and technology generally, but more so for polymer blends. The idea of blending two (or more) polymers, especially immiscible blends, has come with a lot of challenges. Achieving this has brought to the fore the art and science (and engineering) of compatibilization. During the last few decades, the addition of nanoparticles, nanowires, nanotubes, and so on has advanced even further the creation of blends, alloys, and composites with different polymers. In making these blends, intermediaries such as compatibilizers, coupling agents, and other additives are often employed to bring about blends that are satisfactory for the purposes they are intended to serve. Nanostructured polymer blends formation has strongly improved the properties and structural integrities of polymer blends, by employing compatibilization as a tool to achieve such properties and structural integrities of polymer blends. Reinforcing compatibilized polymer blends with nanosize additives has further strengthened the properties and integrities of polymer blends, alloys, and composites.
Author: Sabu Thomas
Publisher: William Andrew
ISBN: 032339454X
Category : Technology & Engineering
Languages : en
Pages : 444
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Book Description
Design and Applications of Nanostructured Polymer Blend and Nanocomposite Systems offers readers an intelligent, thorough introduction to the design and applications of this new generation of designer polymers with customized properties. The book assembles and covers, in a unified way, the state-of-the-art developments of this less explored type of material. With a focus on nanostructured polymer blends, the book discusses the science of nanostructure formation and the potential performance benefits of nanostructured polymer blends and composites for applications across many sectors: electronics, coatings, adhesives, energy (photovoltaics), aerospace, automotive, and medical devices (biocompatible polymers). The book also describes the design, morphology, and structure of nanostructured polymer composites and blends to achieve specific properties. Covers all important information for designing and selecting the right nanostructured polymer system Provides specialized knowledge on self-repairing, nanofibre and nanostructured multiphase materials, as well as evaluation and testing of nanostructured polymer systems Serves as a reference guide for development of new products in industries ranging from electronics, coatings, and energy, to transport and medical applications Describes the design, morphology, and structure of nanostructured polymer composites and blends to achieve specific properties
Author: Ajitha A. R
Publisher: Elsevier
ISBN: 0128162880
Category : Technology & Engineering
Languages : en
Pages : 640
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Book Description
Compatibilization of Polymer Blends: Micro and Nano Scale Phase Morphologies, Interphase Characterization and Properties offers a comprehensive approach to the use of compatibilizers in polymer blends, examining both fundamental and advanced knowledge in the field. The book begins by introducing polymer blends, describing thermodynamics, miscibility, and phase separation, and explaining the main concepts of compatibilization. Other sections cover theoretical approaches for nearly compatible blends, incompatible blends, nanofillers, physical compatibilization, reactive compatibilization, morphological and structural characterization, and physico-mechanical characterization. Finally, key application areas are covered, including biomedical applications, packaging and automobile engineering. While this book will be a highly valuable reference source for academics, researchers and postgraduate students interested in polymer blends, it will also be ideal for anyone involved in the fields of polymer science, polymer chemistry, polymer physics, materials science, scientists, R&D professionals, and engineers in involved in the development or engineering of polymer products. Offers detailed and systematic coverage of essential and advanced topics relating to the compatibilization of polymer blends Presents a critical analysis of the effect of compatibilization on morphology and thermal, mechanical, electrical and viscoelastic properties of polymer blends Draws on novel studies and state-of-the-art research, discussing the latest issues and developments
Author: Antonella Macagnano
Publisher: Elsevier Inc. Chapters
ISBN: 0128090901
Category : Technology & Engineering
Languages : en
Pages : 72
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Book Description
The exceptional properties of nanoheterogeneous materials result both from the nature of each component, the size scale, the degree of mixing between the two phases, and the surface area-to-volume ratio. Therefore, significant performances of the resulting materials can be reached by tailoring the interfaces. Due to their features, nanoheterogeneous materials have been involved in a plethora of niche markets linked, for instance, to new generations of smart textiles, photovoltaic and fuel cells, antennas and satellite communications, optoelectronics, new catalysts and coatings, smart therapeutic vectors with controlled drug delivery properties, new ultrasensitive sensors, cosmetics, smart papers, and so on. The chapter is an overview of the current state of knowledge in processing, manufacturing, characterization, and potential applications of the most common polymer nanocomposites, with a special attention to their utilizations in gas sensing.
Author: Sabu Thomas
Publisher: Elsevier
ISBN: 0323995640
Category : Technology & Engineering
Languages : en
Pages : 572
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Book Description
Polymer Blend Nanocomposites for Energy Storage Applications presents the latest developments in polymer blend-based nanocomposites for applications in energy storage, covering theoretical concepts, preparation methods, characterization techniques, properties and performance. The book begins by introducing polymer blend-based nanocomposites, preparation methods, mechanisms, requirements, theory, modeling, and simulation, with subsequent sections covering the use of specific base materials, including elastomers, thermoplastics, thermoset polymers, and biodegradable polymers. Final sections covers polymer blend nanocomposites with different fillers, both for conducting polymers and non-conducting polymers. Devices discussed include capacitors, supercapacitors, batteries, fuel cells, and solar cells. Finally, other key aspects are considered, including the conversion from laboratory to industry and recycling and lifecycle assessment of polymer blend nanocomposites used in energy devices. Focuses on nanocomposites based on polymer blends, both conducting and non-conducting Guides the reader to applications in capacitors, supercapacitors, batteries, fuel cells, solar cells, and other areas Considers modeling and simulation, translation from lab to industry, recycling, and lifecycle assessment
Author: Roberto Scaffaro
Publisher: Elsevier Inc. Chapters
ISBN: 0128090898
Category : Technology & Engineering
Languages : en
Pages : 44
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Book Description
The usefulness of any material, including nanocomposite polymer blends, depends on its degradability and durability. Thus, this chapter reviews the status of the research on degradation of nanocomposite polymer blends and, in particular, on clay-nanocomposite polymer blends, paying particular attention to both the role of the filler and the role of the blend morphology and composition. The results of recent research indicate that the clay has two opposing effects on the thermal stability of a nanocomposite polymer blend: (1) a promoter effect of the polymer matrix degradation, which decreases the thermal stability, and (2) a barrier effect, which improves the thermal stability. Moreover, the presence of organoclays generally reduces the photostability of nanocomposite polymer blends. Despite the effect of the filler, blend morphology and blend composition can significantly affect, either positively or negatively, the degradation behavior of the polymer blend nanocomposites.
