Estudio De La Influencia De La Funcionalizacion De La Matriz Y El Refuerzo En Materiales Compuestos A Base De Polipropileno Y Talco

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Estudio de la influencia de la funcionalizacion de la matriz y el refuerzo en materiales compuestos a base de polipropileno y talco

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (914 download)

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Book Synopsis Estudio de la influencia de la funcionalizacion de la matriz y el refuerzo en materiales compuestos a base de polipropileno y talco by :

Download or read book Estudio de la influencia de la funcionalizacion de la matriz y el refuerzo en materiales compuestos a base de polipropileno y talco written by and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Se han estudiado las propiedades y caracteristicas de comportamiento mecanico de los materiales compuestos ("composites") constituidos por una matriz termoplastica, el polipropileno, y un refuerzo mineral, talco. En primer lugar se ha procedido a la eleccion de ambos constituyentes de entre los distintos grados y variedades existentes en el mercado industrial. Se ha procedido a continuacion a la caracterizacion microestructural de ambos componentes ya en el material compuesto, correlacionado el comportamiento mecanico del sistema polipropileno/talco con las caracteristicas intrinsecas de ambos, y a su traves con la interfase entre componentes en el material compuesto como principal responsable del comportamiento mecanico y posibilidades de utilizacion tecnologica del mismo. En este sentido se ha determinado la fraccion optima de matriz ...

Chemical Physics of Polymer Nanocomposites

Author : Vera V. Myasoedova
Publisher : John Wiley & Sons
ISBN 13 : 3527837019
Total Pages : 1162 pages
Book Rating : 4.5/5 (278 download)

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Book Synopsis Chemical Physics of Polymer Nanocomposites by : Vera V. Myasoedova

Download or read book Chemical Physics of Polymer Nanocomposites written by Vera V. Myasoedova and published by John Wiley & Sons. This book was released on 2024-07-17 with total page 1162 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive knowledge on the preparation, characterization, and applications of polymer nanocomposites Chemical Physics of Polymer Nanocomposites examines the state of the art in preparation, processing, characterizing, and applying a wide range of polymer nanocomposites, elucidating nanofiller/polymer interactions, nanofiller dispersion, distribution, filler-filler interactions, and interface properties, with a particular focus on the rheology of this important class of materials. The dependence of the rheological properties on the preparation techniques is discussed in detail, complemented by an overview of the processing approaches using conventional and micro injection molding, extrusion, compression molding, film blowing, pultrusion, and resin transfer molding. The book covers the latest understanding and accomplishments on polymer composites and presents the huge variety of this materials class. Practice-oriented with industry relevance, it also reviews preparation, characterization, morphology, properties, applications, sustainability, and recyclability. The topics covered in Chemical Physics of Polymer Nanocomposites include: Classification of nano fillers, nano-objects, nanomaterials, and polymer nanocomposites based on chemical nature and identity, and synthesis and characterization of nanoparticles General manufacturing methods and processes, including melt and shear mixing manufacturing of polymer nanocomposites 1D nano fillers and polymer nanocomposites, including polymer nanocomposites based on graphite nanoplatelets (GNP) and amphiphilic graphene platelets Polymer nanocomposites based on nano chitin, starch, and lignin, gold nanowires, titanium dioxide, and graphene and graphene oxide Chemical Physics of Polymer Nanocomposites is an essential resource for materials scientists, polymer chemists, chemical engineers, and engineering scientists in industry.

Formulación y caracterización de materiales compuestos de matriz fenólica reforzados con fibras celulósicas modificadas tipo viscosa

Download Formulación y caracterización de materiales compuestos de matriz fenólica reforzados con fibras celulósicas modificadas tipo viscosa PDF Online Free

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Publisher :
ISBN 13 :
Total Pages : 282 pages
Book Rating : 4.:/5 (914 download)

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Book Synopsis Formulación y caracterización de materiales compuestos de matriz fenólica reforzados con fibras celulósicas modificadas tipo viscosa by :

Download or read book Formulación y caracterización de materiales compuestos de matriz fenólica reforzados con fibras celulósicas modificadas tipo viscosa written by and published by . This book was released on 2011 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: La finalidad de este trabajo se concreta en el estudio de nuevos materiales compuestos basados en una matriz fenólica reforzada con fibras celulósicas de tipo viscosa sin modificar y modificadas a través de los tratamientos con hidróxido sódico o con silanos. El tema es novedoso, en primer lugar por utilizar resinas fenólicas como matriz, que hasta la fecha, dentro de los polímeros termoestables, son las menos probadas. Por otro lado, se incorporan fibras celulósicas procedentes de madera de eucalipto como refuerzo de los materiales, acerca de los cuales hay muy pocos trabajos publicados. La idea expuesta se presenta como una alternativa atractiva para el sector automovilístico. Cabe esperar una disminución apreciable en sus costes de producción, amén de reducir su dependencia respecto a materias primas sujetas a grandes fluctuaciones de precio. Desde el punto de vista del medioambiente destaca la utilización de fibras de origen natural, reciclables y de poco peso, en lugar de las sintéticas, como las de vidrio, carbono o aramida, tradicionalmente empleadas y resultantes de procesos petroleoquímicos. Se trata de obtener un material compuesto con buenas propiedades mecánicas, térmicas y morfológicas, que de acuerdo con los resultados del trabajo, parece conseguirse.

Materiales compuestos en base de PP y HDPE reforzados con fibras de cartón reciclado. Comportamiento mecánico

Author : Ruslan Nikonenko
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (112 download)

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Book Synopsis Materiales compuestos en base de PP y HDPE reforzados con fibras de cartón reciclado. Comportamiento mecánico by : Ruslan Nikonenko

Download or read book Materiales compuestos en base de PP y HDPE reforzados con fibras de cartón reciclado. Comportamiento mecánico written by Ruslan Nikonenko and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Los residuos del cartón ondulado "flutting" constituyen una fuente muy importante de fibras que pueden dar lugar a aplicaciones industriales. Las fibras lignocelulósicas pueden ser aprovechadas, dadas sus características, como refuerzo para materiales plásticos compuestos. En este campo, el polipropileno y el polietileno constituyen uno de los materiales de más amplio consumo, tanto reforzado como sin reforzar. El polipropileno y polietileno pueden utilizarse bien por motivos económicos, además de buenas propiedades de rigidez y flexión, o bien reforzado y anclado químicamente con el refuerzo. Ello permite obtener unas propiedades a tracción y flexión realmente competitivas, tan competitivas que pueden sustituir en algunas aplicaciones a los materiales reforzados con fibra de vidrio. En este estudio, se han utilizado fibras de cartón ondulado "flutting" para la producción de materiales compuestos de polipropileno y polietileno. El presente trabajo se centra en las propiedades macroscópicas: resistencia a tracción, flexión e impacto, módulo de Young y naturaleza de la interfase.

Fractura de compuestos polipropileno-talco

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (65 download)

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Book Synopsis Fractura de compuestos polipropileno-talco by :

Download or read book Fractura de compuestos polipropileno-talco written by and published by . This book was released on 1907 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: RESUMEN La investigación realizada en esta tesis se ha centrado en la caracterización de la fractura de materiales compuestos por una matriz de polipropileno homopolímero isotáctico y diferentes fracciones de partículas laminares de talco. Estos materiales se emplean en la actualidad para la fabricación de piezas por inyección, especialmente en el sector de automoción. Por extrusión de doble tornillo se prepararon dos series de materiales conteniendo diferentes fracciones de talco disperso, el cual fue previamente tratado con agentes de acoplamiento de tipo silano organofuncional para inducir adhesión en la interfase. Se preparó una serie equivalente con talco sin tratar con fines comparativos. Las probetas para los ensayos se obtuvieron mediante moldeo por inyección. Además de caracterizar térmica y mecánicamente dichos materiales, se ha estudiado la influencia del porcentaje de partículas, del grado de adhesión en la interfase, y de la velocidad de solicitación, sobre los valores de la tenacidad y energía de fractura, y se han identificado los micromecanismos responsables de su deformación y fractura. Los resultados obtenidos se discuten asimismo sobre la base de las características morfológicas y microestructurales observadas. ------------------------------------ ABSTRACT The investigation was focused on the characterization of the fracture of plastic materials made up of isotactic polypropylene (homopolymer) containing different fractions of lamellar talc particles. Because of their rigidity and low cost, these materials are used at the present time for the manufacture of injection-molding parts, especially for the automobile sector. Different fractions of talc were dispersed into the polypropylene matrix by using a co-rotating twin-screw extruder. Two series of composites were prepared with different fractions of both untreated and silane-treated talc. The surface treatment of the talc with organofunctional silane was previously performed in order to promote be.

Design of Composite Structures Against Fatigue

Author : Rayner M. Mayer
Publisher :
ISBN 13 : 9780852989579
Total Pages : 246 pages
Book Rating : 4.9/5 (895 download)

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Book Synopsis Design of Composite Structures Against Fatigue by : Rayner M. Mayer

Download or read book Design of Composite Structures Against Fatigue written by Rayner M. Mayer and published by . This book was released on 1996 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Handbook of Bioplastics and Biocomposites Engineering Applications

Author : Srikanth Pilla
Publisher : John Wiley & Sons
ISBN 13 : 1118177045
Total Pages : 622 pages
Book Rating : 4.1/5 (181 download)

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Book Synopsis Handbook of Bioplastics and Biocomposites Engineering Applications by : Srikanth Pilla

Download or read book Handbook of Bioplastics and Biocomposites Engineering Applications written by Srikanth Pilla and published by John Wiley & Sons. This book was released on 2011-09-15 with total page 622 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Handbook is the first to explore the extensive applications made with bioplastics & biocomposites for the packaging, automotive, biomedical, and construction industries. Bioplastics and biocomposites are becoming increasingly prominent because synthetic plastics and glass fiber composites are neither sustainable nor environmentally friendly. The Handbook of Bioplastics and Biocomposites Engineering Applications brings together scientists from academia and industry to report on current research and applications in the bioplastics and biocomposites arena. This new science is interdisciplinary and integrates pure and applied sciences such as chemistry, engineering and materials science. The Handbook focuses on five main categories of applications: Packaging; Civil Engineering; Biomedical; Automotive; General Engineering. The majority of the chapters review the properties, processing, characterization, synthesis and applications of the bio-based and biodegradable polymers and composites including: Polymers such as polylactic acid (PLA), polyhydroxybutyrate (PHB), guar gum based plastics, cellulose polyesters, starch based bioplastics, vegetable oil derived bioplastics, biopolyethylene, chitosan, etc. Thermoplastic and thermosetting bioplastics and biocomposites with a focus on the automobile industry. The ways how to improve the properties of bioplastics, polymer blends, and biocomposites by combining them with both synthetic and natural fillers and reinforcements such as nanoclays, nanotubes (CNTs), and natural fibers (both wood and plant fibers). Studies that expand the boundaries of bioplastics that will allow for the new materials to be applied to most generic engineering applications. The Handbook will be of central interest to engineers, scientists and researchers who are working in the fields of bioplastics, biocomposites, biomaterials for biomedical engineering, biochemistry, and materials science. The book will also be of great importance to engineers in many industries including automotive, biomedical, construction, and food packaging.

Nanocomposite Materials

Author : Erich Kny
Publisher : Trans Tech Publications Ltd
ISBN 13 : 3038132853
Total Pages : 280 pages
Book Rating : 4.0/5 (381 download)

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Book Synopsis Nanocomposite Materials by : Erich Kny

Download or read book Nanocomposite Materials written by Erich Kny and published by Trans Tech Publications Ltd. This book was released on 2009-04-16 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume is indexed by Thomson Reuters CPCI-S (WoS). Nanocomposite materials constitute a rapidly evolving field of science and technology, of which the first applications are already on the market and many more are expected to follow. The admixture of relatively low amounts of nanoparticles (these are, by definition, any morphology having at least one dimension in the nano-range, i.e. particles, fibres, plates) within a matrix of polymer, ceramic or metal has a dramatic increasing effect upon the resultant properties (volume, surface and functional properties). Unusual property combinations can be obtained; resulting in a new class of materials for almost every application.

Polymers for Packaging Applications

Author : Sajid Alavi
Publisher : CRC Press
ISBN 13 : 1482224550
Total Pages : 486 pages
Book Rating : 4.4/5 (822 download)

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Book Synopsis Polymers for Packaging Applications by : Sajid Alavi

Download or read book Polymers for Packaging Applications written by Sajid Alavi and published by CRC Press. This book was released on 2014-09-12 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on food, non-food, and industrial packaging applications of polymers, blends, nanostructured materials, macro, micro and nanocomposites, and renewable and biodegradable materials. It details physical, thermal, and barrier properties as well as sustainability, recycling, and regulatory issues. The book emphasizes interdis

Advances in Nanocomposite Technology

Author : Abbass A. Hashim
Publisher : IntechOpen
ISBN 13 : 9789533073477
Total Pages : 388 pages
Book Rating : 4.0/5 (734 download)

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Book Synopsis Advances in Nanocomposite Technology by : Abbass A. Hashim

Download or read book Advances in Nanocomposite Technology written by Abbass A. Hashim and published by IntechOpen. This book was released on 2011-07-27 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book "Advances in Nanocomposite Technology" contains 16 chapters divided in three sections. Section one, "Electronic Applications", deals with the preparation and characterization of nanocomposite materials for electronic applications and studies. In section two, "Material Nanocomposites", the advanced research of polymer nanocomposite material and polymer-clay, ceramic, silicate glass-based nanocomposite and the functionality of graphene nanocomposites is presented. The Human and Bioapplications section is describing how nanostructures are synthesized and draw attention on wide variety of nanostructures available for biological research and treatment applications. We believe that this book offers broad examples of existing developments in nanocomposite technology research and an excellent introduction to nanoelectronics, nanomaterial applications and bionanocomposites.