Adhesion in Cellulosic and Wood-Based Composites

Adhesion in Cellulosic and Wood-Based Composites PDF Author: John F. Oliver
Publisher: Springer Science & Business Media
ISBN: 1468489836
Category : Science
Languages : en
Pages : 255

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Book Description
Cellulose is a versatile and renewable natural resource which has attracted increasing attention in the last decade, expecially after the energy crisis of 1973. Apart from its extensive use as asolid product, wood is the most important source of cellulose fibres for papermaking and is also widely used as a source of energy. The form and availability ot· the forest provides a great opportunity for technological improvement and innovation in the future to satisfy the foreseeable increasing demand for wood based products. For example, North American sawmills and plywood mills presently recover only about 45 to 55% of logged wood while the remainder is disposed as waste, if it is not used in pulp manufacturing. In addition, top and branch wood, and logs from non-commercial species which are presently not recovered from the logging sites could provide an abundant and relatively inexpensive resource for the manufacture of composite products. Other valuable potential sour ces of cellulosic materials are waste paper and agricultural waste. A composite is the consolidation of two polymerie materials such that one of the components acts as the adhesive binder while the other forms the substrate matrix. In some cases, the matrix and the adhesive may be the same materials. To maximize the adhesion potential of the composite, the properties of the substrate which can enhance, hinder or complicate the development of optimum adhesion should be thoroughly explored and identified.

Adhesion in Cellulosic and Wood-Based Composites

Adhesion in Cellulosic and Wood-Based Composites PDF Author: John F. Oliver
Publisher: Springer Science & Business Media
ISBN: 1468489836
Category : Science
Languages : en
Pages : 255

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Book Description
Cellulose is a versatile and renewable natural resource which has attracted increasing attention in the last decade, expecially after the energy crisis of 1973. Apart from its extensive use as asolid product, wood is the most important source of cellulose fibres for papermaking and is also widely used as a source of energy. The form and availability ot· the forest provides a great opportunity for technological improvement and innovation in the future to satisfy the foreseeable increasing demand for wood based products. For example, North American sawmills and plywood mills presently recover only about 45 to 55% of logged wood while the remainder is disposed as waste, if it is not used in pulp manufacturing. In addition, top and branch wood, and logs from non-commercial species which are presently not recovered from the logging sites could provide an abundant and relatively inexpensive resource for the manufacture of composite products. Other valuable potential sour ces of cellulosic materials are waste paper and agricultural waste. A composite is the consolidation of two polymerie materials such that one of the components acts as the adhesive binder while the other forms the substrate matrix. In some cases, the matrix and the adhesive may be the same materials. To maximize the adhesion potential of the composite, the properties of the substrate which can enhance, hinder or complicate the development of optimum adhesion should be thoroughly explored and identified.

Adhesion in Cellulosic and Wood-Based Composites

Adhesion in Cellulosic and Wood-Based Composites PDF Author: John F. Oliver
Publisher:
ISBN: 9781468489842
Category :
Languages : en
Pages : 268

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Book Description


Adhesion in Cellulosic and Wood-based Composites

Adhesion in Cellulosic and Wood-based Composites PDF Author: John F. Oliver
Publisher:
ISBN:
Category :
Languages : en
Pages : 261

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Book Description


Introduction to Wood and Natural Fiber Composites

Introduction to Wood and Natural Fiber Composites PDF Author: Douglas D. Stokke
Publisher: John Wiley & Sons
ISBN: 1118676076
Category : Science
Languages : en
Pages : 330

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Book Description
Over the past two decades, there has been a shift in research and industrial practice, and products traditionally manufactured primarily from wood are increasingly combined with other nonwood materials of either natural or synthetic origin. Wood and other plant-based fiber is routinely combined with adhesives, polymers, and other "ingredients" to produce composite materials. Introduction to Wood and Natural Fiber Composites draws together widely scattered information concerning fundamental concepts and technical applications, essential to the manufacture of wood and natural fiber composites. The topics addressed include basic information on the chemical and physical composition of wood and other lignocellulosic materials, the behavior of these materials under thermocompression processes, fundamentals of adhesion, specific adhesive systems used to manufacture composite materials, and an overview of the industrial technologies used to manufacture major product categories. The book concludes with a chapter on the burgeoning field of natural fiber-plastic composites. Introduction to Wood and Natural Fiber Composites is a valuable resource for upper-level undergraduate students and graduate students studying forest products and wood science, as well as for practicing professionals working in operational areas of wood- and natural-fiber processing. For more information on the Wiley Series in Renewable Resources, visit www.wiley.com/go/rrs Topics covered include: Overview of lignocellulosic material, their chemical and physical composition Consolidation behavior of wood and fiber in response to heat and pressure Fundamentals of adhesion Adhesives used to bond wood and lignocellulosic composites Manufacturing technology of major product types Fiber/plastic composites

Wood Composites

Wood Composites PDF Author: J. Paulo Davim
Publisher: Walter de Gruyter GmbH & Co KG
ISBN: 3110416085
Category : Technology & Engineering
Languages : en
Pages : 220

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Book Description
Wood composites as part of wood engineering materials has been reaching a constant developing trend, being used on a wide range of applications and becoming worldwide as a very promising alternate material face to traditional building materials such as concrete, metal and plastics. In this part of the series are treated aspects among which advances functionalities in laminates, the activation of natural fibres, the natural matrix, and others industrials manufacturing research advances for wood material as composite.

Handbook of Wood Chemistry and Wood Composites

Handbook of Wood Chemistry and Wood Composites PDF Author: Roger M. Rowell
Publisher: CRC Press
ISBN: 0203492439
Category : Science
Languages : en
Pages : 505

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Book Description
The degradable nature of high-performance, wood-based materials is an attractive advantage when considering environmental factors such as sustainability, recycling, and energy/resource conservation. The Handbook of Wood Chemistry and Wood Composites provides an excellent guide to the latest concepts and technologies in wood chemistry and bio-based composites. The book analyzes the chemical composition and physical properties of wood cellulose and its response to natural processes of degradation. It describes safe and effective chemical modifications to strengthen wood against biological, chemical, and mechanical degradation without using toxic, leachable, or corrosive chemicals. Expert researchers provide insightful analyses of the types of chemical modifications applied to polymer cell walls in wood, emphasizing the mechanisms of reaction involved and resulting changes in performance properties. These include modifications that increase water repellency, fire retardancy, and resistance to ultraviolet light, heat, moisture, mold, and other biological organisms. The text also explores modifications that increase mechanical strength, such as lumen fill, monomer polymer penetration, and plasticization. The Handbook of Wood Chemistry and Wood Composites concludes with the latest applications, such as adhesives, geotextiles, and sorbents, and future trends in the use of wood-based composites in terms of sustainable agriculture, biodegradability and recycling, and economics. Incorporating over 30 years of teaching experience, the esteemed editor of this handbook is well-attuned to educational demands as well as industry standards and research trends.

Bio-based Wood Adhesives

Bio-based Wood Adhesives PDF Author: Zhongqi He
Publisher: CRC Press
ISBN: 1315352257
Category : Science
Languages : en
Pages : 558

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Book Description
Adhesive bonding plays an increasing role in the forest product industry and is a key factor for efficiently utilizing timber and other lignocellulosic resources. As synthetic wood adhesives are mostly derived from depleting petrochemical resources and have caused increasing environmental concern, natural product and byproduct-derived adhesives have attracted much attention in the last decades. Although adhesives made from plant and animal sources have been in existence since ancient times, increased knowledge of their chemistry and improved technical formulation of their preparation are still needed to promote their broader industrial applications. The primary goals of this book are to (1) synthesize the fundamental knowledge and latest research on bio-based adhesives from a remarkable range of natural products and byproducts, (2) identify need areas and provide directions of future bio-based adhesive research, and (3) help integrating research findings in practical adhesive application for maximal benefits. This book covers information on a variety of natural products and byproducts and the latest research on formulation, testing and improvement of the relevant adhesives in fifteen chapters written by an international group of accomplished contributors. This book will serve as a valuable reference source for university faculty, graduate students, research scientists, agricultural and wood engineers, international organization advocators and government agency regulators who work and deal with enhanced utilization of agricultural and forest products and byproducts.

Cellulose

Cellulose PDF Author: Abu Zahrim Yaser
Publisher: CRC Press
ISBN: 1000958809
Category : Technology & Engineering
Languages : en
Pages : 335

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Book Description
Cellulose: Development, Processing, and Applications covers topics related to advanced cellulose development and processing, as well as the utilization of major agricultural and biomass waste. It discusses the utilization of cellulose from other agricultural and biomass materials, including oil palm biomass, bamboo, and other non-wood forest products in emerging areas. It covers the treatments used to improve the quality of cellulosic materials in specific applications. Following that, the book delves into the use of cellulosic materials in the application of composting science and technology. Features: Delves into the specific agriculture waste/biomass waste materials used for the advanced cellulose-based production Outlines the potential use of the covered materials for energy production and other emerging applications Includes composting technology and processes using the cellulosic materials Overviews industrial applications of cellulose from agricultural waste/biomass waste and composting technology Discusses the main agricultural waste/biomass in the Asian region This book is aimed at researchers and graduate students in chemical engineering, bioprocessing, composites, and biotechnology.

Handbook of Wood Chemistry and Wood Composites, Second Edition

Handbook of Wood Chemistry and Wood Composites, Second Edition PDF Author: Roger M. Rowell
Publisher: CRC Press
ISBN: 1439853800
Category : Science
Languages : en
Pages : 707

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Book Description
Wood has played a major role throughout human history. Strong and versatile, the earliest humans used wood to make shelters, cook food, construct tools, build boats, and make weapons. Recently, scientists, politicians, and economists have renewed their interest in wood because of its unique properties, aesthetics, availability, abundance, and perhaps most important of all, its renewability. However, wood will not reach its highest use potential until we fully describe it, understand the mechanisms that control its performance properties, and, finally, are able to manipulate those properties to give us the desired performance we seek. The Handbook of Wood Chemistry and Wood Composites analyzes the chemical composition and physical properties of wood cellulose and its response to natural processes of degradation. It describes safe and effective chemical modifications to strengthen wood against biological, chemical, and mechanical degradation without using toxic, leachable, or corrosive chemicals. Expert researchers provide insightful analyses of the types of chemical modifications applied to polymer cell walls in wood. They emphasize the mechanisms of reaction involved and resulting changes in performance properties including modifications that increase water repellency, fire retardancy, and resistance to ultraviolet light, heat, moisture, mold, and other biological organisms. The text also explores modifications that increase mechanical strength, such as lumen fill, monomer polymer penetration, and plasticization. The Handbook of Wood Chemistry and Wood Composites concludes with the latest applications, such as adhesives, geotextiles, and sorbents, and future trends in the use of wood-based composites in terms of sustainable agriculture, biodegradability and recycling, and economics. Incorporating decades of teaching experience, the editor of this handbook is well-attuned to educational demands as well as industry standards and research trends.

Adhesives for Wood and Lignocellulosic Materials

Adhesives for Wood and Lignocellulosic Materials PDF Author: R. N. Kumar
Publisher: John Wiley & Sons
ISBN: 1119605539
Category : Technology & Engineering
Languages : en
Pages : 500

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Book Description
The book is a comprehensive treatment of the subject covering a wide range of subjects uniquely available in a single source for the first time. A material science approach has been adopted in dealing with wood adhesion and adhesives. The approach of the authors was to bring out hierarchical cellular and porous characteristics of wood with polymeric cell wall structure, along with the associated non-cell wall extractives, which greatly influence the interaction of wood substrate with polymeric adhesives in a very unique manner not existent in the case of other adherends. Environmental aspects, in particular formaldehyde emission from adhesive bonded wood products, has been included. A significant feature of the book is the inclusion of polymeric matrix materials for wood polymer composites.