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Wood Polymer Composites

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Wood Polymer Composites

Wood Polymer Composites Book
Author : K O Niska,M. Sain
Publisher : Elsevier
Release : 2008-05-29
ISBN : 1845694570
Language : En, Es, Fr & De

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Book Description :

Wood-polymer composites (WPC) are materials in which wood is impregnated with monomers that are then polymerised in the wood to tailor the material for special applications. The resulting properties of these materials, from lightness and enhanced mechanical properties to greater sustainability, has meant a growing number of applications in such areas as building, construction and automotive engineering. This important book reviews the manufacture of wood-polymer composites, how their properties can be assessed and improved and their range of uses. After an introductory chapter, the book reviews key aspects of manufacture, including raw materials, manufacturing technologies and interactions between wood and synthetic polymers. Building on this foundation, the following group of chapters discusses mechanical and other properties such as durability, creep behaviour and processing performance. The book concludes by looking at orientated wood-polymer composites, wood-polymer composite foams, at ways of assessing performance and at the range of current and future applications. With its distinguished editors and international team of contributors, Wood-polymer composites is a valuable reference for all those using and studying these important materials. Provides a comprehensive survey of major new developments in wood-polymer composites Reviews the key aspects of manufacture, including raw materials and manufacturing technologies Discusses properties such as durability, creep behaviour and processing performance

Wood Polymer Composites

Wood Polymer Composites Book
Author : Sanjay Mavinkere Rangappa
Publisher : Springer Nature
Release : 2021-08-01
ISBN : 981161606X
Language : En, Es, Fr & De

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Book Description :

Download Wood Polymer Composites book written by Sanjay Mavinkere Rangappa, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Structure and Properties of Wood Polymer Composites WPC

Structure and Properties of Wood Polymer Composites  WPC  Book
Author : Andrey Askadskii,Tatyana Matseevich,Alexander Askadskii
Publisher : Cambridge Scholars Publishing
Release : 2019-03-05
ISBN : 1527530655
Language : En, Es, Fr & De

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Book Description :

At present, the use of polymer composites filled with wood (WPC) is becoming increasingly popular. In particular, flooring of terraced premises, siding, decorative fences, fence systems, steps, universal profiles, among others are made from WPC. In 1977, the first enterprise for the production of WPC appeared in Sweden. The first experience was not very successful – the demand turned out to be low, and the wear of technological equipment was very high. Therefore, developments in this field were resumed only in the 1990s and continue to this day. This book describes the basic physical and mechanical properties of modern WPC, such as tensile and compression strength, and hardness. Also, the influence of climatic factors on the performance properties of products from WPC is described, while the thermal and rheological properties of WPC materials are considered, which directly affect the consumer characteristics of the products. The book contains theoretical developments related to the prediction of the mechanical and thermal properties of polymers and composites. The Van der Waals volume and the energy of the intermolecular interaction are estimated. This book will be of interest to representatives of the WPC market, designers, and architects, as well as technology engineers, students and post-graduate students of higher educational institutions in the fields of chemistry and physics of composite polymer materials.

Wood Composites

Wood Composites Book
Author : Martin P. Ansell
Publisher : Woodhead Publishing
Release : 2015-08-01
ISBN : 9781782424543
Language : En, Es, Fr & De

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Book Description :

Recent progress in enhancing and refining the performance and properties of wood composites by chemical and thermal modification and the application of smart multi-functional coatings have made them a particular area of interest for researchers. Wood Composites comprehensively reviews the whole field of wood composites, with particular focus on their materials, applications and engineering and scientific advances, including solutions inspired biomimetrically by the structure of wood and wood composites. Part One covers the materials used for wood composites and examines wood microstructure, and wood processing and adhesives for wood composites. Part Two explores the many applications of wood composites, for example plywood, fibreboard, chipboard, glulam, cross-laminated timber, I-beams and wood-polymer composites. The final part investigates advances in wood composites and looks at the preservation and modification of wood composites, environmental impacts and legislative obligations, nano-coatings and plasma treatment, biomimetic composite materials, the integration of wood composites with other materials and carbonized and mineralized wood composites. Comprehensively reviews the entire field of wood composites in a single volume Examines recent progress in enhancing and refining the performance and properties of wood composites by chemical and thermal modification and the application of smart multi-functional coatings Explores the range of wood composites, including both new and traditional products

Wood polymer Composites

Wood polymer Composites Book
Author : Rozman Hj Din
Publisher : Unknown
Release : 1989
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

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Improvement of selected properties of Wood Polymer Composites WPC Silane modification of wood particles

Improvement of selected properties of Wood Polymer Composites  WPC      Silane modification of wood particles Book
Author : Timo Grüneberg
Publisher : Cuvillier Verlag
Release : 2010-11-22
ISBN : 3736935617
Language : En, Es, Fr & De

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Book Description :

Wood Polymer Composites are a new group of hybrid materials, which combine the advantages of synthetic polymers such as polyolefines and natural polymers such as wood; whereas the synthetic polymer is used as matrix material and the wood as reinforcement material or filler. As matrix material, principally every thermoplastic polymer with a processing temperature below 200°C can be used due to the temperature sensivity of wood. Wood Polymer Composites are processed typically with processing technologies from the plastic industry such as extrusion and injection molding. The present study was conducted to explore the possibility of wood particle modification with different types of silanes. It was the aim to contribute the silanes as compatibilizers or coupling agent and therefore improve the mechanical properties and the resistance against water. Norway spruce (Picea abies) as representative wood species was used in three different particle types. The size distribution for the wood particles ranges from 70-2500 µm. Four commercial available silanes with various functional groups (amino, di-amino, alkyl) were used as modification agents. The concentrations varied between 1.5%, 3.0%, 4.5% and 7.5%. As reference system commonly used maleated acid anhydride based coupling agents were used. The pre-treated wood particles were compounded via extrusion with polypropylene and samples were produced via injection and compression molding. The following properties were tested; tensile, bending, and impact strength, water uptake (cold and boiling water test), descent rate, weathering tests and durability test against basidiomycetes. SEM-EDX investigations proved the presence of silane either in the cell wall structure, or on the wood particle surface. Due to the structure and the functionality of the silanes it was expected that the silane treated wood particles are able to improve the mechanical properties. It was shown that the silanes had no significant effect as compatibilizer or coupling agent. The mechanical properties strongly increase with the usage of coupling agent. Both coupling agents were based on maleic acid anhydride grafted on a polymer backbone, whereas Type I reaches an optimum regarding the mechanical properties at 3%, the coupling agent Type II still improves the mechanical properties up to a ratio of 4.5% with no clear optimum. The silane pretreatment influences the improvement not significantly, compare to the improvement caused by the coupling agent. The used wood particles showed mechanical degradation during the compounding process. The biggest degradation was monitored for the wood particles of Lignocel® Type 9. Due to its fine structure it can be assumed that the Arbocel® C100 wood particles consist of only cell wall fragments of the wooden cell wall, which express a better resistance against mechanical destruction during the process. The Wood Polymer Composites showed a lower decay rate compared to solid wood. The moisture content within the Wood Polymer Composite samples ranges at the low optimum level for fungi attack and were not significantly improved by an accelerated wetting before the test. The core remains relatively dry. The main protection seems to come from the encapsulation by the polymer. The weathered Wood Polymer Composite samples showed a strong color change within a relatively short period of exposure. The color changed independently from the silane type or the silane ratio. Also an increase of cracks and gaps on the sample surface was observed compared to the unexposed sample and the pure polymer reference.

Wood fiber polymer Composites

Wood fiber polymer Composites Book
Author : Michael P. Wolcott,Forest Products Society
Publisher : Unknown
Release : 1993
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Wood fiber polymer Composites book written by Michael P. Wolcott,Forest Products Society, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Wood Reinforced Polymer Composites

Wood Reinforced Polymer Composites Book
Author : Anil Akdogan
Publisher : Unknown
Release : 2017
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

The importance of protection of natural resources, recycling and biodegrability are the basic reasons behind the increased use of lignocellulosic (LC) material-reinforced polymer composites. This chapter investigates wood filler-reinforced polymer composites, which have gained attention among the researchers and in the market in woody applications having aesthetic and low service costs. Most polymers have the increasing cost of petrochemical products while LC materials are obtained from different national resources such as different types of wood powder. LC materials are available in light, cheap, environment-friendly forms with easy maintenance. The main disadvantages of LC-reinforced composites are moisture sensitivity and poor dimensional stability, besides changing wood fiber characteristics in time and poor adhesion to basically all kind of matrix polymers. Additive usage in manufacturing is an increasing trend of wood-based LC material-reinforced polymer composite parts to penetrate new markets, with better performance requirements and long-term stability. This chapter investigates description, classification, production with common additive types and usage of wood-polymer composite materials. In addition, it approaches preprocesses to reach high productivity and high-quality product manufacturing. Finally, some experimental manufacturing results of wood-reinforced polymer composites are presented.

Chemically Modified Tropical Wood Polymer Composite Twpc

Chemically Modified Tropical Wood Polymer Composite  Twpc  Book
Author : Muhammad Abdul Mun'aim Mohd Idrus,Sinin Hamdan
Publisher : LAP Lambert Academic Publishing
Release : 2012-03
ISBN : 9783848447619
Language : En, Es, Fr & De

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Book Description :

Chemical modification is an often-followed method to replace glass fibers with wood fibers to reinforce polymer composites in order to produce biomaterials. However due to the surface incompatibility and weak adhesion between polymer and fiber, many new chemical and binder added were introduced by researchers to improve the mechanical and physical properties of wood polymer composites (WPC). In this study, liquefied tropical wood polymer composites (LTWPC), WPC, treated WPC (TWPC) and binder treated WPC (BTWPC) composite panels were made by using hot-press moulding with varying formulations based on the filler type (LTW, treated sawdust and binder). The effect of LTW, treated sawdust and binder as fillers were investigated. Liquefied tropical wood polymer composites (LTWPCs) were made using liquefied tropical wood (LTW) as a filler and polypropylene (PP) as a matrix.

Production and Description of Wood Polymer Composites Based on Low viscosity Epoxy Resins

Production and Description of Wood Polymer Composites Based on Low viscosity Epoxy Resins Book
Author : P. Schroeder,N. Parameswaran
Publisher : Unknown
Release : 1986
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Production and Description of Wood Polymer Composites Based on Low viscosity Epoxy Resins book written by P. Schroeder,N. Parameswaran, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Handbook on Coal Coke Cotton Lignin Hemicellulose Wood Wood Polymer Composites Lignocellulosic Plastic Composites from Recycled Materials Wood Fiber Rosin and Rosin Derivatives

Handbook on Coal  Coke  Cotton  Lignin  Hemicellulose  Wood  Wood Polymer Composites  Lignocellulosic Plastic Composites from Recycled Materials  Wood Fiber  Rosin and Rosin Derivatives Book
Author : Dr. Himadri Panda
Publisher : NIIR PROJECT CONSULTANCY SERVICES
Release : 2018-01-11
ISBN : 9381039860
Language : En, Es, Fr & De

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Book Description :

Coal is the product of plants, mainly trees that died tens or hundreds of millions of years ago. Coal is a fossil fuel and is the altered remains of prehistoric vegetation that originally accumulated in swamps and peat bogs. The energy we get from coal today comes from the energy that plants absorbed from the sun millions of years ago. Coal is used primarily as an energy source, either for heat or electricity. It was once heavily used to heat homes and power locomotives and factories. Bituminous coal is also used to produce coke for making steel and other industrial process heating. Lignin is a constituent of the cell walls of almost all dry land plant cell walls. It is the second most abundant natural polymer in the world, surpassed only by cellulose. Lignin is found in all vascular plants, mostly between the cells, but also within the cells, and in the cell walls. Wood is an aggregate of cells essentially cellulose in composition, which are cemented together by a substance called lignin. The cells are made of three substances called cellulose (about 50 percent), lignin (which makes up a fifth to a quarter of hardwoods but a quarter to a third of softwoods), and hemicellulose. Rosin refers to an extraction process that utilizes a combination of heat and pressure to nearly instantaneously squeeze resinous sap from your initial starting material In India's energy sector, coal accounts for the majority of primary commercial energy supply. With the economy poised to grow at the rate of 8-10% per annum, energy requirements will also rise at a reasonable level. The Indian coal industry aspires to reach the 1.5 billion tonne (BT) mark by FY 2020. In fore-coming years, the industry will naturally need to focus on building on the success, and be on track for reaching the FY 2020 goal. One of the primary goals of the Government of India is to ensure that it is able to meet the country's power generation needs. Another aim is to lower the country's reliance on coal imports by boosting the coal production quickly. The Major contents of the book are Coal, Analysis of Coal and Coke, Cotton, Lignin and Hemicelluloses, Degradation of Wood, CCA-Treated Wood, Wood-Polymer Composites, Lignocellulosic-Plastic Composites from Recycled Materials, Chemical Modification of Wood Fiber, Delignification of Wood with Pernitric Acid, Rosin and Rosin Derivatives, Polymerizable Half Esters of Rosin and Photographs of Plant & Machinery with Supplier’s Contact Details. It will be a standard reference book for professionals, entrepreneurs, those studying and researching in this important area and others interested in the field of these industries.

Forum social camerounais

Forum social camerounais Book
Author : Anonim
Publisher : Unknown
Release : 2007
ISBN : 0987650XXX
Language : En, Es, Fr & De

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The Influence of Polymer Type on the Properties of Wood polymer Composites

The Influence of Polymer Type on the Properties of Wood polymer Composites Book
Author : John Edward Langwig
Publisher : Unknown
Release : 1968
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Download The Influence of Polymer Type on the Properties of Wood polymer Composites book written by John Edward Langwig, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Interaction Between Wood and Synthetic Polymers in Wood polymer Composites

Interaction Between Wood and Synthetic Polymers in Wood polymer Composites Book
Author : Kristiina Oksman Niska,Tekniska högskolan i Luleå
Publisher : Unknown
Release : 1994
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Interaction Between Wood and Synthetic Polymers in Wood polymer Composites book written by Kristiina Oksman Niska,Tekniska högskolan i Luleå, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Extrusion Processing of Wood Raw Materials for Use in Wood polymer Composites

Extrusion Processing of Wood Raw Materials for Use in Wood polymer Composites Book
Author : Maiju Hietala
Publisher : Unknown
Release : 2011
ISBN : 9789174392296
Language : En, Es, Fr & De

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Book Description :

Download Extrusion Processing of Wood Raw Materials for Use in Wood polymer Composites book written by Maiju Hietala, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Wood Polymer Composites

Wood Polymer Composites Book
Author : Yongfeng Li
Publisher : Unknown
Release : 2011
ISBN : 9789533074498
Language : En, Es, Fr & De

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Book Description :

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The Physical Properties of Wood polymer Composites

The Physical Properties of Wood polymer Composites Book
Author : John F. Siau
Publisher : Unknown
Release : 1968
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download The Physical Properties of Wood polymer Composites book written by John F. Siau, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.