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Wood Deterioration, Protection and Maintenance by Ladislav Reinprecht Pdf
Wood Deterioration, Protection and Maintenance provides an up to date discussion of the natural durability of wood, wood degradation processes, and methods of structural and chemical protection of wood. Modern active substances in wood preservatives and the relationships between preservative properties, the anatomical structure and moisture content of wood and protective processes involving pressure and/or diffusion driving forces are fully illustrated.
Wood-based materials are CO2-neutral, renewable, and considered to be environmentally friendly. The huge variety of wood species and wood-based composites allows a wide scope of creative and esthetic alternatives to materials with higher environmental impacts during production, use and disposal. Quality of wood is influenced by the genetic and environmental factors. One of the emerging uses of wood are building and construction applications. Modern building and construction practices would not be possible without use of wood or wood-based composites. The use of composites enables using wood of lower quality for the production of materials with engineered properties for specific target applications. Even more, the utilization of such reinforcing particles as carbon nanotubes and nanocellulose enables development of a new generation of composites with even better properties. The positive aspect of decomposability of waste wood can turn into the opposite when wood or wood-based materials are exposed to weathering, moisture oscillations, different discolorations, and degrading organisms. Protective measures are therefore unavoidable for many outdoor applications. Resistance of wood against different aging factors is always a combined effect of toxic or inhibiting ingredients on the one hand, and of structural, anatomical, or chemical ways of excluding moisture on the other.
Biodeterioration of Wooden Cultural Heritage by Anastasia Pournou Pdf
Since prehistoric times and throughout the course of human evolution, wood has been an integral part of all civilizations. Wooden Cultural Heritage can be found worldwide, providing valuable information on the social and economic context of human history. Nonetheless, as a natural cellulosic material, wood shows low resistance to biodeterioration and thus wooden Cultural Heritage often fails to escape decomposition in both aquatic and terrestrial ecosystems. This book provides a comprehensive overview on the biodeterioration of wooden Cultural Heritage and describes the decay mechanisms of key organisms and microorganisms encountered in aquatic and terrestrial ecosystems. Cultural Heritage professionals, researchers and academics may explore within this book the associations between deteriogens, habitats and decay, which will assist them to understand wood biodeterioration and design effective prevention, mitigation and remediation strategies. The book presents case studies around the world to demonstrate the impact of biogenic deterioration on wooden Cultural Heritage and illustrates mechanisms and patterns in order to be a useful handbook of decay diagnosis. Lastly, by adopting a holistic approach to wood decay, basic concepts of wood technology, ecology, and deteriogens' biology are introduced, permitting readers of different scientific backgrounds to easily comprehend wood biodeterioration.
Wood Deterioration and Preservation by Barry Goodell,Darrel D. Nicholas,Tor P. Schultz Pdf
In recent years considerable progress has been made in elucidating wood decay mechanisms. This basic knowledge not only has the potential to develop alternative environmentally-benign wood preservatives, but may also impact other areas such as bioremediation and pulp and paper. This book will summarize the latest knowledge of the developments, potential impacts, and applications from some of the world's leading experts.
Chemistry of Lignocellulosics by Tatjana Stevanovic Pdf
This book presents the chemical properties of lignocellulosic fibers, knowledge of which is essential for innovation and sustainable development of their transformation. Thermochemical transformation of wood and other lignocellulosics is presented to highlight its volatile, liquid and solid products and their novel applications. Forest biorefinery is described to emphasize the new products from lignocellulosic constituents, both structural (cellulose, hemicelluloses and lignins) and those extraneous to cell walls-extractives. New developments in cellulose technology related to nanocellulose are discussed in relation to new applications. Industrial lignins are presented in detail, both in terms of extraction procedures from spent liquors and structural characterization of the isolated lignins. Application of lignocellulosic biopolymers in new composite materials, or in biomaterials for medicinal purposes, and in solid wood preservation, are described. The example of an industrial biorefinery installed in southwestern France more than 40 years ago is presented.
Decay of Timber and Its Prevention by Kenneth St. George Cartwright,Forest Products Research Laboratory (Princes Risborough, England),Walter Philip Kennedy Findlay Pdf
When it becomes damp, some timber is liable to deterioration and decay, with potentially serious implications for the structural integrity of the affected building. This is particularly true if the timber becomes infected with dry rot, which can spread and can be difficult to eradicate. This guide contains advice on inspecting for wood rot, identifying and treating the different types, and the repair of replacement of affected timbers. It should be read in conjunction with Good Repair Guide 13 on identifying and treating insect attack on timber.
This text tackles the issues relating to timber decay. It presents the facts and explores timber decay problems through case studies. These are all illustrated with clear photographs for the reader to use as a diagnostic aid.
Author : Rod A. Eaton,Mike D. C. Hale Publisher : Unknown Page : 546 pages File Size : 54,7 Mb Release : 1993 Category : House & Home ISBN : 0412531208
Wood biodeterioration and its prevention have been the subjects of study for many years as effective wood utilization and the control of biodeterioration are vital for the continuing success of this product worldwide. The timber trade and the associated activities of wood scientists and technologists and the applications of wood preservation techniques are of huge commercial importance internationally.
