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Nanopapers

Nanopapers Book
Author : Wenyi Huang
Publisher : William Andrew
Release : 2017-10-19
ISBN : 0323480209
Language : En, Es, Fr & De

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Book Description :

Nanopapers: From Nanochemistry and Nanomanufacturing to Advanced Applications gives a comprehensive overview of the emerging technology of nanopapers. Exploring the latest developments on nanopapers in nanomaterials chemistry and nanomanufacturing technologies, this book outlines the unique properties of nanopapers and their advanced applications. Nanopapers are thin sheets or films made of nanomaterials such as carbon nanotubes, carbon nanofibers, nanoclays, cellulose nanofibrils, and graphene nanoplatelets. Noticeably, nanopapers allow highly concentrated nanoparticles to be tightly packed in a thin film to reach unique properties such as very high electrical and thermal conductivities, very low diffusivity, and strong corrosion resistance that are shared by conventional polymer nanocomposites. This book presents a concise introduction to nanopapers, covering concepts, terminology and applications. It outlines both current applications and future possibilities, and will be of great use to nanochemistry and nanomanufacturing researchers and engineers who want to learn more about how nanopapers can be applied. Outlines the main uses of nanopapers, showing readers how this emerging technology should best be applied Shows how the unique properties of nanopapers make them adaptable for use in a wide range of applications Explores methods for the nanomanufacture of nanopapers

The Chemistry of Bio based Polymers

The Chemistry of Bio based Polymers Book
Author : Johannes Karl Fink
Publisher : John Wiley & Sons
Release : 2019-12-31
ISBN : 111968126X
Language : En, Es, Fr & De

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Book Description :

The recent explosion of interdisciplinary research has fragmented the knowledge base surrounding renewable polymers. The Chemistry of Bio-based Polymers 2nd edition brings together, in one volume, the research and work of Professor Johannes Fink, focusing on biopolymers that can be synthesized from renewable polymers. After introducing general aspects of the field, the book’s subsequent chapters examine the chemistry of biodegradable polymeric types sorted by their chemical compounds, including the synthesis of low molecular compounds. Various categories of biopolymers are detailed including vinyl-based polymers, acid and lactone polymers, ester and amide polymers, carbohydrate-related polymers and others. Procedures for the preparation of biopolymers and biodegradable nanocomposites are arranged by chemical methods and in vitro biological methods, with discussion of the issue of “plastics from bacteria.” The factors influencing the degradation and biodegradation of polymers used in food packaging, exposed to various environments, are detailed at length. The book covers the medical applications of bio-based polymers, concentrating on controlled drug delivery, temporary prostheses, and scaffolds for tissue engineering. Professor Fink also addresses renewable resources for fabricating biofuels and argues for localized biorefineries, as biomass feedstocks are more efficiently handled locally.

Advances in Materials and Materials Processing IV

Advances in Materials and Materials Processing IV Book
Author : Zheng Yi Jiang,Xiang Hua Liu,Jing Tao Han
Publisher : Trans Tech Publications Ltd
Release : 2014-02-06
ISBN : 3038263958
Language : En, Es, Fr & De

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Book Description :

Volume is indexed by Thomson Reuters CPCI-S (WoS). Collection of selected, peer reviewed papers from the 2013 4th International Conference on Advances in Materials and Manufacturing (ICAMMP 2013), 18-19 December, 2013, Kunming, China. The 268 papers are grouped as follows: Chapter 1: Composites, Chapter 2: Micro/Nano Materials, Chapter 3: Steel/Iron, Chapter 4: Ceramics, Chapter 5: Metal Alloy Material, Chapter 6: Optical / Electrical / Magnetic Materials, Chapter 7: Energy Materials, Chapter 8: Biomaterials and Technology, Chapter 9: Chemical Materials, Chapter 10: Film Material, Chapter 11: Building Materials, Chapter 12: Materials Mechanical Behavior and Fracture, Chapter 13: Materials Physics and Chemistry, Chapter 14: Selection, Testing and Evaluation of Materials, Chapter 15: Surface Engineering / Coatings Technology, Chapter 16: Material Forming, Chapter 17: Material Machining, Chapter 18: Welding and Joining, Chapter 19: Materials Processing Technologies

Cellulose Nanofibril Nanopapers and Bioinspired Nanocomposites

Cellulose Nanofibril Nanopapers and Bioinspired Nanocomposites Book
Author : Alejandro Benitez Lizardo
Publisher : Unknown
Release : 2017*
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Cellulose Nanofibril Nanopapers and Bioinspired Nanocomposites book written by Alejandro Benitez Lizardo, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Materials Transportation and Environmental Engineering II

Materials  Transportation and Environmental Engineering II Book
Author : Jimmy Chih Ming Kao,Wen Pei Sung,Ran Chen
Publisher : Trans Tech Publications Ltd
Release : 2014-09-22
ISBN : 3038266329
Language : En, Es, Fr & De

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Book Description :

Collection of selected, peer reviewed papers from the 2014 the 2nd International Conference on Materials, Transportation and Environmental Engineering (CMTEE 2014), July 30-31, 2014, Kunming, China. The 587 papers are grouped as follows: Chapter 1: Materials and Chemical Engineering and Technologies, Chapter 2: Environmental Materials, Biomaterials and Technologies, Chapter 3: Energy and Thermal Engineering, Environmental Engineering, Chapter 4: Civil and Building Engineering, Structural and Geotechnical Engineering, Applied Mechanics, Chapter 5: Research and Design of Industrial Facilities and Technologies, Chapter 6: Recent Technologies in Mechatronics, Control and Automation, Chapter 7: Communication and Information Technologies, Algorithms and Numerical Methods of Data Processing, Chapter 8: Traffic, Road and Transportation Engineering, Chapter 9: Biomedical Engineering, Chapter 10: Urban Planning, Sustainable City and Green Building Applications, Chapter 11: Management Engineering, Business and Economics Engineering, Chapter 12: New Technologies in Education and Sports

Cellulose Nanofibril Nanopapers and Bioinspired Nanocomposites

Cellulose Nanofibril Nanopapers and Bioinspired Nanocomposites Book
Author : Alejandro Benitez Lizardo
Publisher : Unknown
Release : 2017*
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Cellulose Nanofibril Nanopapers and Bioinspired Nanocomposites book written by Alejandro Benitez Lizardo, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Mechanics of Cellulose Nanopapers

Mechanics of Cellulose Nanopapers Book
Author : Rui Mao
Publisher : Unknown
Release : 2017
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Mechanics of Cellulose Nanopapers book written by Rui Mao, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Applied Materials and Technologies for Modern Manufacturing

Applied Materials and Technologies for Modern Manufacturing Book
Author : Lai Jiu Zheng,Shinichi Kuroda,Hua Wu Liu,Bing Du,Ju Wei,Yu Ping Zhao
Publisher : Trans Tech Publications Ltd
Release : 2013-09-27
ISBN : 3038262692
Language : En, Es, Fr & De

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Book Description :

Collection of selected, peer reviewed papers from the Third International Conference on Applied Mechanics, Materials and Manufacturing (ICAMMM 2013), August 24-25, 2013, Dalian, China. Volume is indexed by Thomson Reuters CPCI-S (WoS). The 587 papers are grouped as follows: Chapter 1: Composites; Chapter 2: Micro/Nano Materials; Chapter 3: Iron, Steel, Metals and Metal Alloys; Chapter 4: Polymer; Chapter 5: Biological Materials and Technologies; Chapter 6: Optical Materials and Engineering; Chapter 7: Chemical Engineering; Chapter 8: Mineral Mining and Processing; Chapter 9: Materials Processing Technology; Chapter 10: Building Materials; Chapter 11: Construction Technologies; Chapter 12: Environmental Engineering and Land Planning; Chapter 13: The Basic of Mechanics and Research Methods; Chapter 14: Dynamics, Vibration and Noise; Chapter 15: Solid Mechanics; Chapter 16: Fluid Mechanics; Chapter 17: Biomechanics; Chapter 18: Product Design and Innovative Design Methodology; Chapter 19: Design of Machinery and Mechanisms; Chapter 20: Industrial Engineering and Production Operations Management; Chapter 21: Sensor Technology; Chapter 22: Technologies of Measuring, Testing and Monitoring, Data and Signal Processing; Chapter 23: Electronic Engineering, Embedded System and Information Technologies; Chapter 24: Mechatronics, Robotics and Control, Automation of Manufacture; Chapter 25: Engineering Education; Chapter 26: Related Themes.

Characterization and Analysis of Graphite Nanocomposites for Thermal Management of Electronics

Characterization and Analysis of Graphite Nanocomposites for Thermal Management of Electronics Book
Author : Nayandeep Kumar Mahanta
Publisher : Unknown
Release : 2009
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

The extremely high thermal conductivity seen in carbon nanotubes/nanofibers makes them a viable alternative in devising thermal management solutions for modern microelectronic chips. Efficient thermal characterization holds the key to understanding the mechanisms of heat conduction in the nanocomposites and hence their continued development. The present work deals with novel nanostructured bulk materials, called "nanopapers", which are mats of carbon nanofibers. A steady-state method based on the standard heat flow meter apparatus was developed for measuring the in-plane thermal conductivity of the nanopapers, whereas the Dynamic Plane Source technique was adopted for quantifying the heat conduction through the planes. The characterization results were consistent with the expectations of a highly anisotropic thermal transport in the nanopapers. Additionally, experimental results for the nanopapers were used as the basis for estimating the intrinsic thermal conductivity of individual nanofibers using analytical models available in the literature.

Conductive Nanopaper from Cellulose Nanofibers and Conductive Polymers And or Carbon Nanotubes

Conductive Nanopaper from Cellulose Nanofibers and Conductive Polymers And or Carbon Nanotubes Book
Author : Makara Lay
Publisher : Unknown
Release : 2017
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Coming from renewable and sustainable raw materials, nanocelluloses are rapidly emerging as one of the most promising future materials. Recently, the use of nanocellulose nanocomposites in flexible electrodes, biosensors or supercapacitors it is been studied. The main objective of this thesis is to produce conductive nanopapers from cellulose nanofibers (CNF) or bacterial cellulose (BC) and tree different conductive materials: polypyrrole (PPy), poly(3,4-ethylenedioxythiophene : polystyrene sulfonate (PEDOT:PSS) and multi-walled carbon nanotubes (MWCNT). The structure and morphology of nanocomposites were studied, as well as their thermal, mechanical, and electrical conductivity properties. The results revealed the semiconductor or conductor character of the obtained nanocomposites, with specific capacitances up to 300 F g-1 for CNF-PPy and CNF-PEDOT:PSS-PPy nanocomposites. This work demonstrates the feasibility of using cellulose nanofibers in the field of green and flexible electronics, biosensors, and energy storage devices.

Russian Chemical Reviews

Russian Chemical Reviews Book
Author : Anonim
Publisher : Unknown
Release : 2008
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

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

Piezoresistive Behavior of Carbon Nanopaper Polymer Composites for Strain Sensing

Piezoresistive Behavior of Carbon Nanopaper Polymer Composites for Strain Sensing Book
Author : Jayden Beyrooti
Publisher : Unknown
Release : 2019
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Carbon nanopapers made of carbon nanotubes (CNTs) or carbon nanofibers (CNFs), possess unique electrical, thermal and mechanical properties and when integrated with a polymer matrix, can become a multifunctional composite capable of strain sensing and heat actuation. Smart structures such as these can be used in many applications including deployable space structures, human motion detection, and structural health monitoring as flexible, sensitive and stable strain sensors in addition to providing electrical heat actuation for the shape memory effect in polymers. This study focuses on strain sensing capabilities by developing a numerical model to predict piezoresistive behavior. The piezoresistive effect is a change in resistivity of a conductive network when a deformation is applied. This allows strain to be determined by simply measuring the electrical resistance. An equivalent resistor network can be formed to represent the fiber network. The proposed 2D model generates randomly oriented fibers inside a unit cell, determines their intersection points, and creates a mesh of the network for finite element analysis. Electrical conductivity is found for the initial and deformed fiber states by determining the current through the network for a known voltage. A piezoresistivity experimental study is conducted to investigate the strain sensing abilities of this material and validate model results. This simple model provides an initial framework that can be developed in future work. Despite its 2D nature, the model captures the governing mechanisms of piezoresistivity to a certain extent.

Russian Journal of Electrochemistry

Russian Journal of Electrochemistry Book
Author : Anonim
Publisher : Unknown
Release : 2003
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Russian Journal of Electrochemistry book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Fire Retardant Nanocomposites

Fire Retardant Nanocomposites Book
Author : Jinfeng Zhuge
Publisher : Unknown
Release : 2012
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Compared to conventional materials, polymer matrix composites (PMCs) have a number of attractive properties, including light weight, easiness of installation, potential to lower system-level cost, high overall durability, and less susceptibility to environmental deterioration. However, PMCs are vulnerable to fire such that they degrade, decompose, and sometimes yield toxic gases at high temperature. The degradation and decomposition of composites lead to loss in mass, resulting in loss in mechanical strength. This research aims to improve the structural integrity of the PMCs under fire conditions by designing and optimizing a fire retardant nanopaper coating, and to fundamentally understand the thermal response and post-fire mechanical behavior the PMCs through numerical modeling. Specifically, a novel paper-making process that combined carbon nanofiber, nanoclay, exfoliated graphite nanoplatelet, and ammonium polyphosphate into a self-standing nanopaper was developed. The nanopaper was then coated onto the surface of the PMCs to improve the fire retardant performance of the material. The morphology, thermal stability, flammability, and post-fire flexural modulus of the nanopaper coated-PMCs were characterized. The fire retardant mechanism of the nanopaper coating was studied. Upon successfully improving the structure integrity of the PMCs by the nanopaper coatings, a thermal degradation model that captured the decomposition reaction of the polymer matrix with a second kind boundary condition (constant heat flux) was solved using Finite Element (FE) method. The weak form of the model was constructed by the weighted residual method. The model quantified the thermal and post-fire flexural responses of the composites subject to continuously applied heat fluxes. A temperature dependent post-fire residual modulus was assigned to each element in the FE domain. The bulk residual modulus was computed by assembling the modulus of each element. Based on the FE model, a refined Finite Difference (FD) model was developed to predict the fire response of the PMCs coated with the nanopapers. The FD model adopted the same post-fire mechanical evaluation method. However, unlike the FE model, the flow of the decomposed gas, and permeability and porosity of the composites were taken into account in the refined FD model. The numerical analysis indicated that the thickness and porosity of the composites had a profound impact on the thermal response of the composites. The research funding from the Office of Naval Research (ONR) and Federal Aviation Administration Center of Excellence for Commercial Space Transportation (FAA COE AST) is acknowledged.

Materials for Hydrogen Storage 2004 Volume 837

Materials for Hydrogen Storage 2004  Volume 837 Book
Author : Materials Research Society. Meeting
Publisher : Materials Research Society
Release : 2005-09-12
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

The development of hydrogen storage materials with a high-capacity-per-unit volume and weight is vital to achieving the goal of using hydrogen as a ubiquitous energy source. Fundamental materials issues such as structure, hydrogen transport and stability are central to the development of successful hydrogen storage systems. Exploring these issues requires a strong coupling of materials synthesis, characterization and advanced theory and modeling. This book, first published in 2002, highlights many of the research efforts being made around the world to address the challenge. Topics include: catalysts for reversible hydrogen storage with complex metal hydrides; hydrogen storage in metal-doped nanotubes, oxides and atomically heterogeneous adsorbents such as zeolites, metal-organic frameworks and B-C-nanomaterials; the effect of nanoscale phenomena on thermodynamics and kinetics; the study of solid-state reactions, bulk and surface diffusion and hydrogen spillover; and the relationships between material structure and hydrogen binding energies. Advanced measurement and computational techniques are also explored.

Processing Characterization and Performance of Carbon Nanopaper Based Multifunctional Nanocomposites

Processing  Characterization and Performance of Carbon Nanopaper Based Multifunctional Nanocomposites Book
Author : Fei Liang
Publisher : Unknown
Release : 2012
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Carbon nanofibers (CNFs) used as nano-scale reinforcement have been extensively studied since they are capable of improving the physical and mechanical properties of conventional fiber reinforced polymer composites. However, the properties of CNFs are far away from being fully utilized in the composites due to processing challenges including the dispersion of CNFs and the viscosity increase of polymer matrix. To overcome these issues, a unique approach was developed by making carbon nanopaper sheet through the filtration of well-dispersed carbon nanofibers under controlled processing conditions, and integrating carbon nanopaper sheets into composite laminates using autoclave process and resin transfer molding (RTM). This research aims to fundamentally study the processing-structure-property-performance relationship of carbon nanopaper-based nanocomposites multifunctional applications: a) Vibrational damping. Carbon nanofibers with extremely high aspect ratios and low density present an ideal candidate as vibrational damping material; specifically, the large specific area and aspect ratio of carbon nanofibers promote significant interfacial friction between carbon nanofiber and polymer matrix, causing higher energy dissipation in the matrix. Polymer composites with the reinforcement of carbon nanofibers in the form of a paper sheet have shown significant vibration damping improvement with a damping ratio increase of 300% in the nanocomposites. b) Wear resistance. In response to the observed increase in toughness of the nanocomposites, tribological properties of the nanocomposite coated with carbon nanofiber/ceramic particles hybrid paper have been studied. Due to high strength and toughness, carbon nanofibers can act as microcrack reducer; additionally, the composites coated with such hybrid nanopaper of carbon nanofiber and ceramic particles shown an improvement of reducing coefficient of friction (COF) and wear rate. c) High electrical conductivity. A highly conductive coating material was developed and applied on the surface of the composites for the electromagnetic interference shielding and lightning strike protection. To increase the conductivity of the carbon nanofiber paper, carbon nanofibers were modified with nickel nanostrands. d) Electrical actuation of SMP composites. Compared with other methods of SMP actuation, the use of electricity to induce the shape-memory effect of SMP is desirable due to the controllability and effectiveness. The electrical conductivity of carbon fiber reinforced SMP composites can be significantly improved by incorporating CNFs and CNF paper into them. A vision-based system was designed to control the deflection angle of SMP composites to desired values. The funding support from National Science Foundation and FAA Center of Excellence for Commercial Space Transportation (FAA COE CST) is acknowledged.

Shape Recovery Behavior of Carbon Nanopaper Shape Memory Polymer Composite

Shape Recovery Behavior of Carbon Nanopaper Shape Memory Polymer Composite Book
Author : Veli Bugra Ozdemir
Publisher : Unknown
Release : 2019
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

This thesis presents analytical, experimental and modeling studies of the shape recovery behavior of electrically activated Carbon Nanopaper (CNP) Shape Memory Polymer (SMP) composite. The composite structure studied consists of a CNP layer sandwiched by two SMP layers where the CNP layer acts as a flexible electrical heater when a voltage difference is applied. The behavior of CNP/SMP composite presents a coupled electrical - thermal - structural problem. The governing equations for the multiphysics behavior are derived. Derived parameters as a result of multiphysics analysis and effects of these parameters on the shape recovery behavior are investigated. The mechanical properties of the carbon nanopaper and viscoelastic properties of the shape memory polymer are characterized. A nonlinear, fully coupled electrical -thermal-structural finite element model is developed, and shape recovery experiments are carried out to validate multiphysics analysis and finite element model of the shape recovery of the CNP/SMP composite. Finite element model captures the general behavior of shape recovery, but overpredicts shape fixity and shape recovery rate.

Properties of a Graphene based Nanocomposite and Nanopaper

Properties of a Graphene based Nanocomposite and Nanopaper Book
Author : Geoffrey H. B. Dommett
Publisher : Unknown
Release : 2007
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Properties of a Graphene based Nanocomposite and Nanopaper book written by Geoffrey H. B. Dommett, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Cellulose Nanopaper as Reinforcement for Sustainable Polymer Composites

Cellulose Nanopaper as Reinforcement for Sustainable Polymer Composites Book
Author : Martin Hervy
Publisher : Unknown
Release : 2018
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Cellulose Nanopaper as Reinforcement for Sustainable Polymer Composites book written by Martin Hervy, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Integration of Gold Nanoparticles AuNPs in a Nanopaper Matrix

Integration of Gold Nanoparticles  AuNPs  in a Nanopaper Matrix Book
Author : Marina Zamudio Domingo
Publisher : Unknown
Release : 2015
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Integration of Gold Nanoparticles AuNPs in a Nanopaper Matrix book written by Marina Zamudio Domingo, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.