Manufacturing And Characterisation Of Multifunctional Polymer

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Manufacturing And Characterisation Of Multifunctional Polymer

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Author : Jahnavee Upadhyay
language : en
Publisher:
Release Date : 2012

Manufacturing And Characterisation Of Multifunctional Polymer written by Jahnavee Upadhyay and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Nanocomposites (Materials) categories.

Composites with polymer matrices and nano-sized exfoliated fillers demonstrate significant enhancement in mechanical and functional properties over those of monolithic polymers at extremely low filler loadings. From the variety of nano-fillers utilised by researchers to develop commercially viable nanocomposites, carbon based nano-fillers are prominently used to render electrical conductivity in addition to mechanical strength. Amongst these, graphene oxide (GO) is electrically insulating contrary to the rest of carbon-based fillers, and hence not much investigated as a nano-filler so far. However, chemical and/or thermal reduction of GO can restore the electrical conductivity. This transitional behaviour makes GO a promising nano-filler for electronic applications. Besides, the thermal stability and mechanical strength of GO are comparable to graphene at temperate conditions. This research work is aimed at preparation of multifunctional polymer-GO nanocomposite thin films. The multi-layered films are constructed as a sandwich of plain polymer facing sheets supporting an electrospun polymer-GO nano-fibre core. The material formulation is divided into two parts, viz., development of a simple and less hazardous process for synthesizing conductive GO nano-fillers, and manufacturing of polymer-GO nano-fibre mats with electrospinning. The characterisation techniques employed to assess the structure and morphology of synthesized GO include X-ray diffractometry, Fourier transform infrared spectroscopy and scanning electron microscopy and the results confirm the effectiveness of the developed GO synthesis process. Additionally, the partial chemical reduction lead to a severe drop in electrical resistivity of GO sheets, and the observed average resistivity values are amongst the lowest reported till date. An orthogonal experimental design as per Taguchi method was devised to analyse the process parameter effects on the average resistivity value of GO sheets. Poly(methyl methacrylate) was selected as the polymer matrix for this work and plymer-GO nano-fibre mats were generated with electrospinning under controlled environmental conditions, to produce well-dispersed nano-fibres with uniform diameter. Vacuum forming was used to manufacture the sandwich films with electrospun cores. Additionally, electrically conducting, monolayer polymer-GO nanocomposite films were prepared through solution casting. The nanocomposite sandwich films demonstrate very high gas barrier with permeation values of nearly zero, measured during oxygen permeation testing. Modelling of gas barrier property is accomplished with analytical and finite element based numerical modelling tools. The observed high gas barrier is attributed to multi-layered structure, fibrous core and presence of impermeable GO fillers in the nano-fibres. Based on the experimental results, these films are found highly suitable for applications in food and beverage packaging and chemical processing plants. Analytical modelling of electromagnetic interference shielding capability of the solution cast polymer-GO films was conducted. The shielding effectiveness values predicted by the models are positive, but significantly lower than the commercial requirements. However, the theoretical cases for nanocomposite films with moderate improvement in electrical conductivity and increased film thickness yield commercially required EMI SE values, thus confirming the potential of these films as EMI shields This thesis thus reports a comprehensive work covering the synthesis of GO nano-fillers, manufacturing of sandwich thin films with electrospun polymer-GO nano-fibre cores and the experimental characterisation of the fillers and nanocomposite specimens.

Polymer Based Multifunctional Nanocomposites And Their Applications

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Author : John Zhanhu Guo
language : en
Publisher: Elsevier
Release Date : 2018-09-14

Polymer Based Multifunctional Nanocomposites And Their Applications written by John Zhanhu Guo and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-09-14 with Technology & Engineering categories.

Polymer-Based Multifunctional Nanocomposites and Their Applications provides an up-to-date review of the latest advances and developments in the field of polymer nanocomposites. It will serve as a one-stop reference resource on important research accomplishments in the area of multifunctional nanocomposites, with a particular emphasis placed on the use of nanofillers and different functionality combinations. Edited and written by an expert team of researchers in the field, the book provides a practical analysis of functional polymers, nanoscience, and nanotechnology in important and developing areas, such as transportation engineering, mechanical systems, aerospace manufacturing, construction materials, and more. The book covers both theory and experimental results regarding the relationships between the effective properties of polymer composites and those of polymer matrices and reinforcements. Presents a thorough and up-to-date review of the latest advances and developments in the field of multifunctional polymer nanocomposites Integrates coverage of fundamentals, research and development, and the range of applications for multifunctional polymers and their composites, such as in the automotive, aerospace, biomedical and electrical industries Supports further technological developments by discussing both theory and real world experimental data from academia and industry

Experimental Mechanics Of Composite Hybrid And Multifunctional Materials Volume 6

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Author : G P Tandon
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-08-28

Experimental Mechanics Of Composite Hybrid And Multifunctional Materials Volume 6 written by G P Tandon and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-08-28 with Science categories.

Experimental Mechanics of Composite, Hybrid, and Multifunctional Materials: Proceedings of the 2013 Annual Conference on Experimental and Applied Mechanics, the sixth volume of eight from the Conference, brings together contributions to this important area of research and engineering. The collection presents early findings and case studies on a wide range of areas, including: Characterization of Energy Storage Materials Microvascular & Natural Composites Nanocomposites for Multifunctional Performance Composite/Hybrid Characterization Using Digital Image Correlation Failure Behavior of Polymer Matrix Composites Non-Destructive Testing of Composites Composite Test Methods Joints/Bonded Composites

Polymer Nanocomposites Processing Characterization And Applications Second Edition

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Author : Joseph H Koo
language : en
Publisher: McGraw Hill Professional
Release Date : 2019-07-08

Polymer Nanocomposites Processing Characterization And Applications Second Edition written by Joseph H Koo and has been published by McGraw Hill Professional this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-07-08 with Technology & Engineering categories.

Publisher's Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product. Up-to-date polymer nanocomposite principles, practices, and characteristics This fully updated guide helps engineers and scientists understand and use the special properties of cutting-edge polymer nanocomposites. Written by a recognized authority in the field, Polymer Nanocomposites: Processing, Characterization, and Applications, Second Edition, begins with an overview of key technologies and processes. Each chapter then examines a different property (structural, mechanical, thermal, flammability, ablation, and electrical) and explains relevant commercial and industrial applications. Examples for a wide variety of usage include applications for spacecraft and defense vehicles, medical and dental implants, flame-retardant and conductive polymers for additive manufacturing, and fire-resistant woven and nonwoven fabrics. Coverage includes:•Nanotechnology and nanomaterials fundamentals•Applications in an expansive range of industries and commercial sectors•Processing of multifunctional polymer nanocomposites•Structure and properties characterization•Mechanical, thermal, flammability, ablation, electrical, and tribological properties•Opportunities, trends, and challenges in the field

Advances In Manufacturing And Characterization Of Functional Polyesters

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Author : Rafael Balart
language : en
Publisher: MDPI
Release Date : 2021-06-10

Advances In Manufacturing And Characterization Of Functional Polyesters written by Rafael Balart and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-06-10 with Science categories.

In recent years, we have assisted the remarkable growth in the use of functional polyesters. This book gathers novel research works dealing with the manufacturing and characterization of polyesters that have been functionalized by synthesis, copolymerization, additives (at micro- and nanoscale), surface modification, among other methodologies, to tailor desired properties in terms of mechanical, chemical, thermal, and barrier properties, biodegradation, and biocompatibility. Thus, Advances in Manufacturing and Characterization of Functional Polyesters will serve to guide a diverse audience of polymer scientists and engineers and provides an update of the “state-of-the-art” knowledge on functional polyesters.

Design Fabrication And Characterization Of Multifunctional Nanomaterials

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Author : Sabu Thomas
language : en
Publisher: Elsevier
Release Date : 2021-11-24

Design Fabrication And Characterization Of Multifunctional Nanomaterials written by Sabu Thomas and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-11-24 with Science categories.

Design, Fabrication, and Characterization of Multifunctional Nanomaterials covers major techniques for the design, synthesis, and development of multifunctional nanomaterials. The chapters highlight the main characterization techniques, including X-ray diffraction, scanning electron microscopy, high-resolution transmission electron microscopy, energy dispersive X-ray spectroscopy, and scanning probe microscopy.The book explores major synthesis methods and functional studies, including: Brillouin spectroscopy; Temperature-dependent Raman spectroscopic studies; Magnetic, ferroelectric, and magneto-electric coupling analysis; Organ-on-a-chip methods for testing nanomaterials; Magnetron sputtering techniques; Pulsed laser deposition techniques; Positron annihilation spectroscopy to prove defects in nanomaterials; Electroanalytic techniques. This is an important reference source for materials science students, scientists, and engineers who are looking to increase their understanding of design and fabrication techniques for a range of multifunctional nanomaterials. Explains the major design and fabrication techniques and processes for a range of multifunctional nanomaterials; Demonstrates the design and development of magnetic, ferroelectric, multiferroic, and carbon nanomaterials for electronic applications, energy generation, and storage; Green synthesis techniques and the development of nanofibers and thin films are also emphasized.

Polymer Characterization Physical Techniques

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Author : J. R. White
language : en
Publisher: Springer
Release Date : 1989-05-25

Polymer Characterization Physical Techniques written by J. R. White and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989-05-25 with Technology & Engineering categories.

This text deals with the key physical techniques that determine the characteristics that lead to the vast range of properties associated with polymers and polymer-based materials. It provides an introduction to the physical principles behind the techniques, without becoming deeply theoretical. Topics covered include molecular weight determination, molecular and structural characterization by spectroscopic techniques, morphology and structural characterization by microscopy, and thermal analysis. Although the text is aimed primarily at the undergraduate level, it will also be of value to industrial scientists and technologists who require details of polymer characterization and its techniques.

Fundamentals Properties And Applications Of Polymer Nanocomposites

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Author : Joseph Koo
language : en
Publisher:
Release Date : 2016

Fundamentals Properties And Applications Of Polymer Nanocomposites written by Joseph Koo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.

Advances In Sustainable Polymers

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Author : Vimal Katiyar
language : en
Publisher: Springer
Release Date : 2020-02-29

Advances In Sustainable Polymers written by Vimal Katiyar and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-02-29 with Technology & Engineering categories.

This book discusses synthesis and characterization of sustainable polymers. The book covers opportunities and challenges of using sustainable polymers to replace existing petroleum based feedstock. This volume provides insights into the chemistry of polymerization, and discusses tailoring the properties of the polymers at the source in order fit requirements of specific applications. The book also covers processing of these polymers and their critical assessment. The book will be of use to chemists and engineers in the industry and academia working on sustainable polymers and their commercialization to replace dependence on petroleum-based polymers.

Mechanics Of Composite And Multi Functional Materials Volume 7

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Author : Carter Ralph
language : en
Publisher: Springer
Release Date : 2015-10-30

Mechanics Of Composite And Multi Functional Materials Volume 7 written by Carter Ralph and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-10-30 with Technology & Engineering categories.

Experimental Mechanics of Composite, Hybrid, and Multifunctional Materials, Volume 7 of the Proceedings of the 2015SEM Annual Conference& Exposition on Experimental and Applied Mechanics, the seventh volume of nine from the Conference, brings together contributions to this important area of research and engineering. The collection presents early findings and case studies on a wide range of areas, including: Multifunctional Materials Hybrid Materials Novel Composites Nano- and Particle-Reinforced Composites Additive Manufacturing of Composites Digital Imaging of Composites Damage Detection Non-Destructive Evaluation Fatigue and Fracture of Composites Manufacturing and Joining of Composites Advanced Composites Applications