The Influence Of Water On The Glass Transition Temperature Of The Wood Components
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The Influence Of Water On The Glass Transition Temperature Of The Wood Components
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Author : A. van der Wiel
language : en
Publisher:
Release Date : 1984
The Influence Of Water On The Glass Transition Temperature Of The Wood Components written by A. van der Wiel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with categories.
Effect Of Orientation On Glass Transition Temperature
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Author : R. E. Wetton
language : en
Publisher:
Release Date : 1989
Effect Of Orientation On Glass Transition Temperature written by R. E. Wetton and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with categories.
The Effect Of Various Wood Substrates On The Liquid Water And Water Vapor Permeability Of Pigmented Organic Coatings
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Author : Terry Kramer Timmons
language : en
Publisher:
Release Date : 1967
The Effect Of Various Wood Substrates On The Liquid Water And Water Vapor Permeability Of Pigmented Organic Coatings written by Terry Kramer Timmons and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Wood categories.
Glass Transition Of Green Polymers
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Author : Tatsuko Hatakeyama
language : en
Publisher:
Release Date : 2021-04-25
Glass Transition Of Green Polymers written by Tatsuko Hatakeyama and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-04-25 with categories.
In nature, green polymers (natural polymers) in plants and animals always coexist with water. The characteristic features of polymers organized in nature are difficult to understand without water. Specific features of green polymers are characterised via interaction with water molecules which strongly interact with the hydrophilic group of polymers. Molecular motion of the main chain of polysaccharides, whether extracted from wood, fungi, seaweed, or bacteria, is considerably enhanced in the presence of water. Not only in crystalline polysaccharides but also amorphous lignin, the effect of water on molecular motion is clearly observed by various experimental techniques. When the molecular motion of green polymers is investigated in the presence of water, molecular rearrangement occurs by the introduction of water into the system, and the higher-order structure is rearranged during molecular movement by heating conditions. Phase transition behaviour of water molecules is also affected in the presence of hydrophilic polymers, such as polysaccharides. Molecular enhancement of water molecules and hydrophilic polymers cooperate with each other and phase transition behaviour of the above system also corresponds to the above motion. Even the first-order phase transition of water is affected in the presence of polysaccharides. When glass transition behaviour of the natural polymer-water system is investigated, it is important to take into consideration the fact that the structural change of both components has necessarily taken place.In this book, the molecular relaxation of green polymers, especially the thermodynamic concept of green polymers and the bound water, will be described in Chapter 2. Various techniques to measure the glass transition of green polymers in dry and wet conditions are explained in Chapter 3. Special attention is paid to sample handling for controlling water content. Glass transition behaviour of various polysaccharides and model compounds is described in Chapter 4. An explanation of lignin and its synthetic model polymers is also given in Chapter 5.
Structure And Properties Of Wood Polymer Composites Wpc
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Author : Alexander Askadskii
language : en
Publisher: Cambridge Scholars Publishing
Release Date : 2019-03-05
Structure And Properties Of Wood Polymer Composites Wpc written by Alexander Askadskii and has been published by Cambridge Scholars Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-03-05 with Technology & Engineering categories.
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.
Handbook Of Physical Testing Of Paper
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Author : Richard E. Mark
language : en
Publisher: CRC Press
Release Date : 2001-09-27
Handbook Of Physical Testing Of Paper written by Richard E. Mark and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-09-27 with Science categories.
Contains basic principles and the latest techniques in paper and paperboard testing. Fosters an understanding of theory and mechanical testing parameters to evaluate results and make improvements. Emphasizes new procedures utilizing advanced microscopy equipment.
Characterization Of The Cellulosic Cell Wall
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Author : Douglas D. Stokke
language : en
Publisher: John Wiley & Sons
Release Date : 2008-02-28
Characterization Of The Cellulosic Cell Wall written by Douglas D. Stokke and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-02-28 with Science categories.
This volume brings together a broad array of scientific expertise to focus on the characterization and utilization of cellulosic materials. Researchers from Austria, Germany, Sweden, Japan, New Zealand, Australia, and the U.S. explore many facets of the plant cell wall, from its fundamental structure and its manipulation via molecular biology to its application in composite materials. Exciting applications of near infrared spectroscopy, x-ray diffraction, confocal microscopy, and molecular coupling as a viscoelastic probe provide new insights into the ultrastructure and properties of cellulosic materials.
Lignocellulosic Fibers And Wood Handbook
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Author : Mohamed Naceur Belgacem
language : en
Publisher: John Wiley & Sons
Release Date : 2016-04-05
Lignocellulosic Fibers And Wood Handbook written by Mohamed Naceur Belgacem and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-05 with Technology & Engineering categories.
This book will focus on lignocellulosic fibres as a raw material for several applications. It will start with wood chemistry and morphology. Then, some fibre isolation processes will be given, before moving to composites, panel and paper manufacturing, characterization and aging.
Wood Modification Technologies
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Author : Dick Sandberg
language : en
Publisher: CRC Press
Release Date : 2021-07-14
Wood Modification Technologies written by Dick Sandberg and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-07-14 with Nature categories.
Describes how to Improvement of wood products Describes Sustainable development Covers Environmental industrial processing
Glass Transition Of Green Polymers
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Author : Tatsuko Hatakeyama
language : en
Publisher: Nova Science Publishers
Release Date : 2021-02-11
Glass Transition Of Green Polymers written by Tatsuko Hatakeyama and has been published by Nova Science Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-02-11 with Science categories.
In nature, green polymers (natural polymers) in plants and animals always coexist with water. The characteristic features of polymers organized in nature are difficult to understand without water. Specific features of green polymers are characterised via interaction with water molecules which strongly interact with the hydrophilic group of polymers. Molecular motion of the main chain of polysaccharides, whether extracted from wood, fungi, seaweed, or bacteria, is considerably enhanced in the presence of water. Not only in crystalline polysaccharides but also amorphous lignin, the effect of water on molecular motion is clearly observed by various experimental techniques. When the molecular motion of green polymers is investigated in the presence of water, molecular rearrangement occurs by the introduction of water into the system, and the higher-order structure is rearranged during molecular movement by heating conditions. Phase transition behaviour of water molecules is also affected in the presence of hydrophilic polymers, such as polysaccharides. Molecular enhancement of water molecules and hydrophilic polymers cooperate with each other and phase transition behaviour of the above system also corresponds to the above motion. Even the first-order phase transition of water is affected in the presence of polysaccharides. When glass transition behaviour of the natural polymer-water system is investigated, it is important to take into consideration the fact that the structural change of both components has necessarily taken place.In this book, the molecular relaxation of green polymers, especially the thermodynamic concept of green polymers and the bound water, will be described in Chapter 2. Various techniques to measure the glass transition of green polymers in dry and wet conditions are explained in Chapter 3. Special attention is paid to sample handling for controlling water content. Glass transition behaviour of various polysaccharides and model compounds is described in Chapter 4. An explanation of lignin and its synthetic model polymers is also given in Chapter 5.