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Nanocomposite Structures And Dispersions

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Nanocomposite Structures and Dispersions

Nanocomposite Structures and Dispersions Book
Author : Ignac Capek
Publisher : Elsevier
Release : 2006-09-19
ISBN : 9780080479590
Language : En, Es, Fr & De

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Book Description :

Nanocomposite Structures and Dispersions summarizes the fundamentals and mechanistic approaches in preparation and characterization of colloidal nanoparticles and dispersions, providing the readers a systematic and coherent picture of the field. The book serves as an introduction to the interesting field of nanoscience based on polymer and metal colloidal nanoparticles, and also presents the basic knowledge of polymer colloids preparation. It places a special emphasis on polymer, inorganic and metal nanomaterials classified as nanoparticles, nanocrystals, nanorods, nanotubes, nanobelts, etc. deals with the chemistry of the reaction approaches by which polymer and metal particles are synthesized. The book explores both organic (synthetic and natural) and inorganic materials, as well as their hybrids. It describes in detail terms, definitions, theories, experiments, and techniques dealing with synthesis of polymer and metal particles. It also discusses a variety of synthetic approaches including emulsion, miniemulsion and microemulsion approaches, homogeneous and heterogeneous nucleation approaches under mild and high temperatures. There is also a chapter on modification and passivation of colloidal particles. This book would be of interest to chemical engineers, polymer chemists, organic chemists, colloid chemists, materials scientists and nanotechnologists. Although the text discusses nanoscience and nanotechnology from the viewpoint of a chemist, it would also appeal to those just entering the field and experts seeking information in other sub-fields. Serves as a general introduction for those just entering the field and experts seeking information in other sub-fields Variety of synthetic approaches is described including emulsion, miniemulsion and microemulsion approaches, hogeneous and heterogeneous nucleation approaches under mild and high temperatures Focused on both the organic (synthetic and natural) and inorganic materials, and their hybrids

Nanocomposite Structures and Dispersions

Nanocomposite Structures and Dispersions Book
Author : Ignac Capek
Publisher : Elsevier
Release : 2019-07-20
ISBN : 0444637559
Language : En, Es, Fr & De

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Book Description :

Nanocomposite Structures and Dispersions deals with the preparation of gelled, branched and crosslinked nanostructured polymers in the solution free radical polymerization and controlled/living radical polymerization and polymer and composite nanoparticles and nanostructures in disperse systems, the kinetics of direct and inverse disperse polymerizations (microemulsion, miniemulsion, emulsion, dispersion and suspension polymerization), the bottom-up approach building of functionalized nanoparticles, modelling of radical microemulsion polymerization, the characterization of traditional and non-traditional polymer dispersions, the collective properties of nanomaterials and their (bio)applications. This book is designed to bridge that gap and offers several unique features. First, it is written as an introduction to and survey of nanomaterials with a careful balance between basics and advanced topics. Thus, it is suitable for both beginners and experts, including graduate and upper-level undergraduate students. Second, it strives to balance the colloidal aspects of nanomaterials with physical principles. Third, the book highlights nanomaterial based architectures including composite or hybrid conjugates rather than only isolated nanoparticles. A number of ligands have been utilized to biodecorate the polymer and composite nanocarriers. Finally, the book provides an in depth discussion of important examples of reaction mechanisms of bottom-up building of functionalized nanoparticles, or potential applications of nanoarchitectures, ranging from physical to chemical and biological systems. Free radical (controlled) polymerization, branching, crosslinking and gelling Kinetics and mechanism of polymer nanoparticles formation Modelling of radical polymerization in disperse systems Polymer, composite and metal nanoparticles, nanostructures and nanomaterials Smart nanostructures, biodecorated particles, nanocarriers and therapeutics

Tensegrity inspired Nanocomposite Structures

Tensegrity inspired Nanocomposite Structures Book
Author : Ji Hoon Lee
Publisher : Unknown
Release : 2012
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

The main goal of this research is to construct hierarchical microstructures from polymer nanocomposites. Specifically, the research focused on constructing tensegrity-inspired microstructure where the nanoparticles are the compression members and the polymer matrix is tensile web. In order to achieve the tensegrity-inpired microstruture, the research was conducted with the following objectives. 1. Synthesis of Hydroxyapatite (HAp) nanoparticles of controlled shapes using block copolymer templates. 2. Investigation of the effects of particle loadings and shapes on isotropic nanocomposite properties. 3. Construction of HAp building blocks into the tensegrity-inspired microstructures First, in order to use the nanoparticles for this structure, needle-shaped HAp nanoparticles were synthesized using block copolymer templates. The results indicated that significant amount of polymer remained on particle surface. Since these particles were coated with polymer blocks, the decorated polymer blocks were considered as the interphase material which would be used to prestress the HAp nanoparticles, and the particles would be acted as the building blocks for constructing tensegrity-inspired microstructure. For nanocomposites, polymer coating on HAp nanoparticles promoted particle dispersion. The effect of particle shapes on thermomechanical properties did not show significant differences between the two particle systems due to their low aspect ratios and chemical similarity. However, the polymer crystallinity and crystallization showed different trend as a function of particle loadings in two particle systems, and the behavior was unified through a common particle spacing of approximately 120 nm. In order to investigate the effect of particle arrangement in the polymer matrix, needle-shaped HAp nanoparticles synthesized with two different block copolymers were mixed with different morphology of polymer matrices and manipulated particle arrangement using the drawing process. Nanocomposites prepared with different matrix morphologies showed the similar dispersion characteristics and reinforcement behavior. The experimental results showed the drawing process influenced the particle arrangement in the polymer matrix, and the particle arrangement and reinforcement behavior were influenced by polymer matrix morphology. The thermomechanical properties of both matrix systems enhanced through the drawing process in the glassy region, but the effect of degree of particle orientation was difficult to distinguish due to low aspect ratios of HAp particles which was not enough to impact on overall microstructure.

Conference Proceedings

Conference Proceedings Book
Author : Society of Plastics Engineers. Technical Conference
Publisher : Unknown
Release : 2002
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Conference Proceedings book written by Society of Plastics Engineers. Technical Conference, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Spectroscopy of Polymer Nanocomposites

Spectroscopy of Polymer Nanocomposites Book
Author : Sabu Thomas,Didier Rouxel,Deepalekshmi Ponnamma
Publisher : William Andrew
Release : 2016-02-16
ISBN : 0323413919
Language : En, Es, Fr & De

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Book Description :

Spectroscopy of Polymer Nanocomposites covers all aspects of the spectroscopic characterization of polymer nanocomposites. More than 25 spectroscopy characterization techniques – almost all used in materials science – are treated in the book, with discussion of their potentialities and limitations. By comparing the techniques with each other and presenting the techniques together with their specific application areas, the book provides scientists and engineers the information needed for solving specific problems and choosing the right technique for analyzing the material structure. From this, the dispersion structure of fillers, property relations and filler-polymer interactions can be determined, and, ultimately, the right materials can be chosen for the right applications. Besides the techniques and structure-property relations, aspects covered include: phase segregation of filler particles, filler agglomeration and deagglomeration, filler dispersion, filler-polymer interactions, surfaces and interfaces. The book also examines recent developments, as well as unresolved issues and new challenges, in the characterization of surfaces and interfaces in polymer nanocomposites. This handpicked selection of topics, and the combined expertise of contributors from industry, academia, government and private research organizations across the globe, make this survey an outstanding reference source for anyone involved in the field of polymer nanocomposites in academia or industry. Provides comprehensive coverage of spectroscopy techniques for analyzing polymer nanocomposites Enables researchers and engineers to choose the right technique and make better materials decisions in research and a range of industries Presents the fundamentals, information on structure-property relations, and all other aspects relevant for understanding spectroscopic analyses of nanoreinforced polymers and their applications

Jonathan Chace

Jonathan Chace Book
Author : Anonim
Publisher : Unknown
Release : 1870
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Jonathan Chace book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Dispersing Layered Silicates in Polymer Melts

Dispersing Layered Silicates in Polymer Melts Book
Author : Michail Konstantin Dolgovskij
Publisher : Unknown
Release : 2007
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Polymer nanocomposites have been a keen area of research interest for the past decade. In place of traditional fillers, nanocomposites use significantly smaller amounts of reinforcing material with very high surface area per unit volume. The promise of polymer nanocomposites ranges from improved mechanical strength, reduced thermal expansion, improved barrier properties, decreased flammability, to electrical conductivity, but all of these potential improvements depend on good dispersion of the nanocomposite filler. The goal of this research has been twofold: first, to develop an effective technique in which melt rheology can be used to characterize exfoliation of nanoclay in this important class of materials and to determine the effect that applied stresses have on such polymer nanocomposite systems. To date, the use of melt rheology in characterizing exfoliation in polymer nanocomposites has been limited to qualitative assessment of a solid-like plateau that evolves in the elastic modulus due to the dispersing nanoclay particles forming and acting as a reinforcing network structure typically known as a "house of cards" morphology. By applying scaling laws from fractal gel rheology to linear rheology for polypropylene and polystyrene nanocomposite systems, melt rheology has been used effectively to determine the fractal dimension of the clay network structure in nanocomposites. These scaling laws have also allowed for percolation behavior to be determined for the nanocomposite systems and with it aspect ratios for the particles have been determined. These rheological predictions have shown to prove accurate when compared to direct measurements from X-ray scattering and TEM microscopy analyses. High shear stress mixing regimens have shown to be successful in creating well dispersed polystyrene nanocomposites. For polypropylene nanocomposites, a new blend creation mechanism, multilayer coextrusion has been employed to make thin films of nanocomposite materials. Characterizing the mechanical and thermal properties of these films suggests multilayer coextrusion can be used to create dispersed nanoclay morphologies in polymer melts. This thesis has provided a new and reliable rheological tool for quickly assessing dispersion and has suggested a new multilayer coextrusion technique to make tailored nanomaterials.

Structures and Properties of Polymer Nanocomposite Sub Micron Thin Films

Structures and Properties of Polymer Nanocomposite Sub Micron Thin Films Book
Author : Hongyi Yuan
Publisher : Unknown
Release : 2014
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Polymer nanocomposite sub-micron thin films have promising applications such as in flexible electronics, photovoltaic devices and biomedical engineering. However, there is insufficient understanding on their structures and properties, partially due to the difficulty in sample fabrication and characterization caused by the confined geometries. The present research aimed at overcoming this difficulty and investigating structures and properties of polymer nanocomposite sub-micron thin films. Three representative nanocomposite systems were chosen, samples were prepared by solution mixing followed by casting techniques, structures and properties were characterized using conventional and novel experimental methods including SIEBIMM for elastic modulus measurements, and results were compared with previous studies on bulk polymer nanocomposites. Firstly, bio-derived polymer / clay nanocomposite thin films were prepared using poly(lactic acid) (PLA) and polycaprolactone (PCL) matrices and Cloisite 30B (C30B) nanoparticles. X-ray scattering and TEM results suggested that C30B nanoparticles were partially intercalated and partially aggregated in PLA, but almost completely intercalated in PCL. The dispersion of C30B also improved continuously with increasing PCL content in PLA:PCL blends. In addition, C30B nanoparticles were found oriented parallel to the film surface, a morphology useful for barrier applications. The modulus enhancement by C30B was observed in both PLA and PCL matrices with only 2 wt% addition. At higher loadings of C30B, the elastic modulus of PLA/C30B remained stable, while that of PCL/C30B increased continuously due to improved dispersion of C30B. Secondly, magnetic polymer nanocomposite thin films were prepared using the polystyrene (PS) matrix and PS-coated cobalt (Co) nanoparticles. Co nanoparticles were either randomly distributed or aligned to form 1-D chains as directed by an external magnetic field. TEM and GISAXS results revealed that the 1-D chains consisted of individual Co nanoparticles attached one after another. The flow-coated nanocomposite thin films retained ferromagnetism from the Co nanoparticles. More importantly, the elastic modulus of nanocomposite thin films was dependent on the alignment of Co nanoparticles. Spherical Co was found incapable of improving PS modulus, possibly due to the isotropic geometry. In contrast, cylindrical Co enhanced the modulus of PS by up to 10% when aligned perpendicular to buckling. Lastly, polymer nanocomposite thin and ultrathin films (thickness below 50 nm) with carbon-based nanoparticles were studied. C60 was found to enhance the PLA and poly(methyl methacrylate) (PMMA) matrices, but not PS or polysulfone (PSU). When added to the as cast block copolymer PS-b-PMMA matrix, no modulus enhancement was observed, possibly concealed by the PS block. The moduli of PS/C60 and PMMA/C60 ultrathin films were found to decrease rapidly with decreasing film thickness, similar to previous studies on homopolymer ultrathin films. The dispersion of graphene oxide was found to be poor in PS and moderate in PMMA due to hydrogen bonding, and was intermediate in the PS-b-PMMA block copolymer. Finally, PS/SWCNT formed a microcomposite instead of a nanocomposite due to the extremely strong interaction between individual nanotubes.

Polymer Layered Silicate and Silica Nanocomposites

Polymer Layered Silicate and Silica Nanocomposites Book
Author : Y.C. Ke,P. Stroeve
Publisher : Elsevier
Release : 2005-07-13
ISBN : 9780080457581
Language : En, Es, Fr & De

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Book Description :

Polymer-Layered Silicate and Silica Nanocomposites includes advanced materials and nanocomposites based on silica and layered silicates obtained from resources in China. Using nanotechnology, these inorganic materials can be filled, in-situ polymerised and combined with polymers with nanoscale dispersions. In this book, many practical examples are presented to show how to prepare the nanocomposites. Several kinds of polymer (PET,PBT,PE,PP,etc.)-layered silicate and silica nanocomposites are prepared and investigated based on our research works, inventions and applications. They are prepared and modified aiming at their applications to such fields as, functional films, barrier materials, coatings, and engineering plastics. Their structure-property relationship, especially the nano effects from them are investigated under different techniques to show how the critical load of the inorganic phase has the effect on the final properties of the nanocomposite materials. Obviously, this new generation of materials has revolutionary effects on the traditional materials or industry as petroleum. Some of the prospects of them are thus included. Focus on the inorganic phase, which is of wide practical and industrial significance Dealing with many first report of the nanoeffect, nanostructure and its functional properties Especially, it covers the particle assembly and self-assemble by interaction with polymer matrix

Processing of Polymer based Nanocomposites

Processing of Polymer based Nanocomposites Book
Author : Suprakas Sinha Ray
Publisher : Springer
Release : 2018-09-07
ISBN : 3319977792
Language : En, Es, Fr & De

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Book Description :

Processing of polymer nanocomposites usually requires special attention since the resultant structure—micro- and nano-level, is directly influenced by among other factors, polymer/nano-additive chemistry and the processing strategy. This book consolidates knowledge, from fundamental to product development, on polymer nanocomposites processing with special emphasis on the processing-structure-property-performance relationships in a wide range of polymer nanocomposites. Furthermore, this book focuses on emerging processing technologies such as electrospinning, which has very exciting applications ranging from medical to filtration. Additionally, the important role played by the nanoparticles in polymer blends structures has been illustrated in the current book, with special focus on fundamental aspects and properties of nanoparticles migration and interface crossing in immiscible polymer blend nanocomposites. This book introduces readers to nanomaterials and polymer nanocomposites processing. After defining nanoparticles and polymer nanocomposites and discussing environmental aspects, the second chapter focuses on the synthesis and functionalization of nanomaterials with applications in polymers. A brief overview on nanoclay and nanoclay-containing polymer nanocomposites is provided in third chapter. The fourth chapter provides an overview of the polymer nanocomposites structural elucidation techniques, such as X-ray diffraction and scattering, microscopy and spectroscopy, rheology. The fifth chapter is dedicated to the polymer nanocomposites processing technologies, among which electrospinning, which has very exciting applications ranging from medical to filtration. The last chapter provides an overview on how melt-processing strategy impact structure and mechanical properties of polymer nanocomposites by taking polypropylene-clay nanocomposite as a model system. The book is useful to undergraduate and postgraduate students (polymer engineering, materials science & engineering, chemical & process engineering), as well as research & development personnel, engineers, and material scientists.

Polymer Nanocomposites for Dielectrics

Polymer Nanocomposites for Dielectrics Book
Author : Katie Zhong,Bin Li
Publisher : CRC Press
Release : 2017-01-12
ISBN : 1315340828
Language : En, Es, Fr & De

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Book Description :

Polymers have been used as dielectric materials owing to their light weight, great flexibility, and processability as well as high insulation properties. To enhance their performance for various desired dielectric applications, fabrication of polymeric nanocomposites is believed to be one of the most effective approaches. By controlling the nanomaterial dispersion and interfacial structures with the polymer matrices in nanocomposites, dielectric properties can be tailored for specific applications. This book reviews representative polymer nanocomposite systems, focusing on the roles of nanodispersion, interfacial structures, and properties of polymer matrix materials in the dielectric properties and energy storage performance. The book reviews various dielectric relaxation models applicable to the analysis of polymer nanocomposites. It compiles the recent progress in new dielectric polymer nanocomposites based on biomaterials and hybrid nanomaterial systems for advanced dielectric applications.

Processing and Properties of Nanocomposites

Processing and Properties of Nanocomposites Book
Author : Suresh G. Advani
Publisher : World Scientific Publishing Company Incorporated
Release : 2007
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Nanotechnology is progressing very rapidly. This book focuses on carbon nanotubes and nano clays and explore their importance and roles in composites. Hence, the chapters address processing, rheology, mechanical properties and their interaction with fiber composites.Written by renowned researchers, this book is a collection of nine chapters which embrace the role of nano particles in composites. The first three chapters focus on the use of carbon nanotubes in composites. Chapter 4 explores the interaction between traditional fiber composites and the use of nano particles in terms of benefits and property enhancement in addition to the processing of such materials. Chapter 5 discusses in detail the rheology of suspensions that contain nanofibers and how one can modify existing models to describe their flow behavior. Chapters 6 through 9 address nano clay composites.

Advances in Nanocomposites

Advances in Nanocomposites Book
Author : Boreddy Reddy
Publisher : BoD – Books on Demand
Release : 2011-04-19
ISBN : 9533071656
Language : En, Es, Fr & De

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Book Description :

Advances in Nanocomposites - Synthesis, Characterization and Industrial Applications was conceived as a comprehensive reference volume on various aspects of functional nanocomposites for engineering technologies. The term functional nanocomposites signifies a wide area of polymer/material science and engineering, involving the design, synthesis and study of nanocomposites of increasing structural sophistication and complexity useful for a wide range of chemical, physicochemical and biological/biomedical processes. "Emerging technologies" are also broadly understood to include new technological developments, beginning at the forefront of conventional industrial practices and extending into anticipated and speculative industries of the future. The scope of the present book on nanocomposites and applications extends far beyond emerging technologies. This book presents 40 chapters organized in four parts systematically providing a wealth of new ideas in design, synthesis and study of sophisticated nanocomposite structures.

Structure and Properties of Vinyl Ester Nanocomposites

Structure and Properties of Vinyl Ester Nanocomposites Book
Author : Paul Andrew Smith
Publisher : Unknown
Release : 1999
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Structure and Properties of Vinyl Ester Nanocomposites book written by Paul Andrew Smith, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Polymer Nanocomposite Research Advances

Polymer Nanocomposite Research Advances Book
Author : Sabu Thomas,Gennadiĭ Efremovich Zaikov
Publisher : Nova Publishers
Release : 2008
ISBN : 9781604560633
Language : En, Es, Fr & De

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Book Description :

The present book focuses on the preparation, properties, characterisation and applications of polymer nanocomposites. The various manufacturing techniques, analysis of morphology, filler dispersion, and interfacial interactions have been described are detail. In the case of polymer nanocomposites, filler dispersion, intercalation/exfoliation, orientation and filler-matrix interaction are the main parameters that determine the physical, thermal, transport, mechanical and rheological properties of the nanocomposites. In this book the ultimate properties of the nanocomposites have been correlated with the key parameters of filler dispersion and filler-matrix interaction. The use of various sophisticated instrument techniques for the characterisation of these nanocomposites are also reviewed.

Handbook of Composites from Renewable Materials Nanocomposites

Handbook of Composites from Renewable Materials  Nanocomposites Book
Author : Vijay Kumar Thakur,Manju Kumari Thakur,Michael R. Kessler
Publisher : John Wiley & Sons
Release : 2017-04-06
ISBN : 1119224462
Language : En, Es, Fr & De

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Book Description :

The Handbook of Composites From Renewable Materials comprises a set of 8 individual volumes that brings an interdisciplinary perspective to accomplish a more detailed understanding of the interplay between the synthesis, structure, characterization, processing, applications and performance of these advanced materials. The handbook covers a multitude of natural polymers/ reinforcement/ fillers and biodegradable materials. Together, the 8 volumes total at least 5000 pages and offers a unique publication. This 7th volume Handbook is solely focused on Nanocomposites: Science and Fundamentals. Some of the important topics include but not limited to: preparation, characterization and applications of nano materials from renewable resources; hydrogels and its nanocomposites from renewable resources: preparation of chitin-based nanocomposite materials through gelation with ionic liquid; starch based bionanocomposites; biorenewable nanofiber and nanocrystal; investigation of wear characteristics of dental composite reinforced with rice husk derived nanosilica filler particles; performance of regenerated cellulose/vermiculite nanocomposites fabricated via ionic liquid; preparation, structure, properties and interactions of the PVA/cellulose composites; green composites with cellulose nano-reinforcements; biomass composites from bamboo-based micro/nano fibers; synthesis and medicinal properties of polycarbonates and resins from renewable sources; nanostructured polymer composites with modified carbon nanotubes; organic-inorganic nanocomposites derived from polysaccharides; natural polymer based nanocomposites; cellulose whisker based green polymer composites; poly (lactic acid) nanocomposites reinforced with different additives; nanocrystalline cellulose; halloysite based bionanocomposites; nanostructurated composites based on biodegradable polymers and silver nanoparticles; starch-based biomaterials and nanocomposites; green nanocomposites based on PLA and natural organic fillers; chitin and chitosan based nanocomposites.

Titanate and Silane Coupling Agents Based Surface Modification of Clay and Their Effects on the Performance of Poly trimethylene Terephthalate Nanocomposites

Titanate and Silane Coupling Agents Based Surface Modification of Clay and Their Effects on the Performance of Poly trimethylene Terephthalate  Nanocomposites Book
Author : Dhiraj Hasija
Publisher : ProQuest
Release : 2008
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Titanate and Silane Coupling Agents Based Surface Modification of Clay and Their Effects on the Performance of Poly trimethylene Terephthalate Nanocomposites book written by Dhiraj Hasija, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.