Author Alfred Teischinger
30.48
Institution
University of Natural Resources and Life Science Vienna
Department
Institute of Wood Science and Technology
150 Publications885 Citations5 Projects
Institution
Department
Abstract
The term technology is frequently used in every-day communication and in the specific areas of producing goods and providing
services. Technology comprises the science of knowledge and usage of tools and techniques or its systems, methods, organization
and material products thereof. The meaning of the word technology itself as well as the specific meaning of the term wood
technology has changed over the past centuries of industrialized production systems. The current paper analyses the development
of wood technology over a period of about 300 years. Based on various COST Actions and the European Forest-sector Technology
Platform current topics of wood technology are addressed and a future outlook is given.
Im Alltag wird der Begriff Technologie häufig in einer sehr allgemeinen Bedeutung verwendet. Grundsätzlich umfasst der Begriff
Technologie die Wissenschaft der Anwendung der Technik, wird aber häufig auch als Synonym für die eingesetzte Technik an sich
verwendet. Der vorliegende Essay beleuchtet die Entwicklung des Begriffes Technologie sowie spezifisch die Technologie des
Holzes, deren Entwicklung analysiert und diskutiert wird. Dabei werden die aktuellen technologischen Fragestellungen anhand
der Themen verschiedener COST-Aktionen sowie der Europäischen „Forest-based Sector Technology Platform“ beleuchtet und ein
Ausblick auf technologische Herausforderungen der Zukunft gegeben.
The development of wood technology and technology developments in the wood industries—from history to future (PDF Download Available). Available from: https://www.researchgate.net/publication/226719933_The_development_of_wood_technology_and_technology_developments_in_the_wood_industries-from_history_to_future [accessed Oct 23 2017].
EJWWP458_source
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Abstract
The term technology is frequently used in every-day communication and in the specific areas of producing goods and providing services. Technology comprises the science of knowledge and usage of tools and techniques or its systems, methods, organization and material products thereof.The meaning of the word technology itself as well as the specific meaning of the term wood technology has changed over the past centuries of industrialized production systems. The current
paper analyses the development of wood technology over a period of about 300 years. Based on various COST actions and the European Forest-sector Technology Platform current topics of wood technology are addressed and a future outlook is given.Zur Entwicklung der Technologie des Holzes und technologische Entwicklungen in der
Holzwirtschaft – von der Vergangenheit zur Zukunft Zusammenfassung
Im Alltag wird der Begriff Technologie häufig in einer sehr allgemeinen Bedeutung verwendet. Grundsätzlich umfasst der Begriff Technologie die Wissenschaft der Anwendung der Technik, wird aber häufig auch als Synonym für die eingesetzte Technik an sich verwendet. Der vorliegende Essay beleuchtet die Entwicklung des Begriffes Technologie sowie spezifisch die Technologie des Holzes, deren Entwicklung analysiert und diskutiert wird. Dabei werden die
aktuellen technologischen Fragestellungen anhand der Themen verschiedener COST-Aktionen sowie der Europäischen „Forest-based Sector Technology Platform“ beleuchtet und ein Ausblick auf technologische Herausforderungen der Zukunft gegeben.
1 Roots of wood technology In his „Forest Journey – The Role of Wood in the Development of Civilization“,Perlin (1991) asserted wood’s crucial place in the evolution of civilization, and he states wood as the unsung hero of the technological revolution that has brought us from a stone and bone culture to our present age. For many centuries the raw material wood served as society’s principal fuel besides the use as a building material, and it was the emergence of the fossil fuels which brought a decisive change in the supply of heat and fuel. Perlin also chronicles various scarcities of
wood throughout the history of civilization which triggered major technological changes and advances. Quite similar to Perlin’s chronicle Radkau (2007) puts a strong emphasis on the
conflicts between the technological development and the rise of civilization, which resulted in deforestation due to an excessive use of wood. Many times throughout history, the scarcity of wood became a driver for resource efficient use of the material, innovations and new technologies, but efficiency gains and
innovations have quite often been eaten up by so-called rebound and backfire effects as well (Krafft 2009).
The period of the Industrial Revolution with major changes in agriculture, manufacturing, mining and transport had a profound effect on the socioeconomic and cultural condition of the civilizations involved and marked a major turning point in human history. Besides the arts, humanities and the natural sciences at the EJWWP458_source 3 various established and new universities, technology as a separate discipline slowly emerged with the foundation of the first mining and mechanical schools such as the University of Technology in Ostrava (1716) and the École
Polytechnique in Paris (1794).
Presumably it was Beckmann who first set the term “Technologie” in the year 1777 in his first edition of a technology handbook (cit. in Beckmann 1780, Fig. 1)and other technologists followed such as Karmarsch (1825) at the Institute of Polytechnique in Vienna with his book “Einleitung in die Lehren der Technologie” (introduction to technology). Later on as the head of the school of polytechnique in Hannover he dedicated a whole chapter to wood technology in his handbook of technology (Karmarsch 1851).Fig. 1 Part of the front page of J. Beckmann`s instruction to “Technologie” (technology) from the year 1780 (courtesy library of the University of Vienna)
Abb. 1 Ausschnitt der Titelseite von J. Beckmanns „Anleitung zur Technologie“ aus dem Jahr 1780 (Bibliothek der Universität Wien)
In German and some other European languages, there is a difference between the terms “Technik” and “Technologie” that does not exist in English. As both terms are usually translated as "technology”, one has to bear in mind that the German term “Technologie” is not completely identical to the English term “technology”. Over the years the term “technology” has been further developed into the current meaning but still today dictionaries and scholars offer a variety of definitions. Most widely technology can be defined as the entities, both material and immaterial, created by the application of intellectual and physical efforts (sometimes referred to as techniques) in order to meet demands and create values (sometimes also threats) as discussed by Teischinger and Müller (2010).
Technology is not usually an exclusive product of science but as a cultural activity, technology predates both science and engineering, each of which formalize some aspects of technological endeavor.
As there is a strong but not exclusive link between science and technology, many universities, institutes, handbooks and scientific journals establishing new knowledge contain in their title “technology” or the phrase “… science and technology …”. For example the Massachusetts Institute of Technology (MIT) in USA with its mission statement: The mission of MIT is to advance knowledge
and educate students in science, technology, and other areas of scholarship that will best serve the nation and the world in the 21st century (http://web.mit.edu).
Also the International Academy of Wood Science refers to technology (“The EJWWP458_source 4 International Academy of Wood Science … is a non-profit assembly of wood scientists, recognizing all fields of wood science with their associated technological domains”) and its Journal “Wood Science and Technology” (http://www.iaws-web.org/) paves the way from science to technology.
2 The development of wood technology The development of wood science – with some aspects of technology, too, is well documented in a compilation in the first volume of the journal Wood Science and
Technology (Coté et al. 1967) and a series in Holz als Roh- und Werkstoff (now European Journal of Wood and Wood Products). A continuous update of a documentation of new knowledge in wood science – besides the many scientific wood science journals – is given by the Springer Series in Wood Science (ed. R. Wimmer) which also covers aspects of technology. Before the start of this series
of wood science and parallel to it, books and collected works such as “Wood and
Cellulose Science” (Stamm 1964) and “Wood – Chemistry,ltrastructure,
Reaction” by Fengel and Wegener (1983) – with many other wood science compilations and specialist literature referred to – built up a profound basis of wood science, followed by Hon and Shiraishi (1991) and Rowell (2005) focussing on wood chemistry and Niemz (1993) with the focus on wood physics. With the textbooks by Bodig and Jayne (1982) and Smith et al. (2003) wood material science and engineering mechanics is combined and a deep understanding of
wood mechanics is provided.
Following the first documentations by Beckmann (1780) and Karmarsch (1851) - besides many other books which cannot be fully listed in this essay - the books by Kollmann (1936), Vorreiter (1949 and 1958) in German and the English versions Kollmann and Coté (1968) and Kollmann et al. (1975) as well as Haygreen and
Bowyer (1982) became the very documentation of wood technology. Additionally many further technological aspects have been covered in a deeper or more specific way by various authors such as: wood machining by Koch (1964), the field of wood adhesives and technology of bonding by Pizzi (1983) and Marra (1992), wood-based materials by Maloney (1977), Deppe and Ernst (1977), Sellers (1985), Dunky and Niemz (2002) etc. With the “Primary Wood Processing” by Walker (1993) one example of the many books dealing with the first step of wood processing is given.
Yet also the reinvention of old technologies such as the wood modification process has to be mentioned and as this area is undergoing huge developments at present, driven in part by environmental concerns regarding the use of preservatives treated wood. Hill (2006) provides a new scientific basis for these
“green” wood protection technologies.Society’s concern over increasing fuel prices, green house gas emissions, and the
associated global warming have created tremendous interest in the science and technologies that promise the sustainable production of materials, chemicals, and energy from domestic resources. These considerations unambiguously dictate the need for practically oriented scientific research and the book by Argyropoulos
(2006) is just one example of a comparatively new compilation of the abundant research literature covering a wide range of the production of materials, chemicals and energy from forest biomass. Predating a handbook which contains the many findings of the various research
being done, much of the new knowledge is firstly presented at conferences and published in conference proceedings and scientific journals. With the growing EJWWP458_source 5 emphasis on wood research and the growing new knowledge in this field of research, more and more wood research journals have been founded in order to
build up a wood science and technology literacy (Table 1):
Table 1: selection of international wood science and technology journals, sorted according to their year of foundation. Journals with a “*” are listed in the ISI web of science Tabelle 1: Auswahl internationaler Zeitschriften auf dem Gebiet der Wissenschaft und
Technologie des Holzes, gelistet nach dem jeweiligen Gründungsjahr. Zeitschriften mit einem "*" sind im ISI web of science gelistet
Journal title Founding year Homepage * European Journal of Wood and
Wood Products (before: Holz als Roh- und Werkstoff)1938 ttp://www.springerlink.com/content /0018-3768?sortorder=asc&p_o=647
* Holzforschung 1947 http://www.reference-global.com/loi/hfsg
* Forest Product Journal 1951 http://www.forestprod.org/fpjover.html
* Wood Research 1955 http://www.vupc.sk/sdvu/index.htm
Journal of the Japan Wood
Research Society 1955 http://www.jwrs.org/editor/index-e.html
Holztechnologie 1959/2005 http://www.holztechnologie.de/index.php?id=223 * IAWA Journal 1965 http://bio.kuleuven.be/sys/iawa/
* Cellulose Chemistry and Technology 1966 ttp://www.ear.ro/3brevist/rv45/rv45.htm
* Wood Science and Technology 967 ttp://springerlink.metapress.com/content/
102511/?sortorder=asc&p_o=205
* Wood and Fiber Science 1968 http://swst.metapress.com/content/120742/
* Canadian Journal of Forest
Research
1971 http://pubs.nrc-cnrc.gc.ca/rp-
ps/journalDetail.jsp?jcode=cjfr&lang=eng
* Journal of Wood Chemistry and Technology
1981 http://www.informaworld.com/smpp/title~content=
t713597282
* Scandinavian Journal of Forest
Research
1986 http://www.informaworld.com/smpp/title~content=
t713711862~db=all
* Cellulose 1994 http://www.springer.com/chemistry/organic+
chemistry/journal/10570
* Journal of Wood Science 1998 http://www.springerlink.com/content/1435-
0211?sortorder=asc&p_o=49
Journal of Forest Products
Business Research 2004 http://www.forestprod.org/jfpbr.html
* BioResources 2006 http://www.bioresourcesjournal.com/index.php/
BioRes/index
Wood Material Science and Engineering
2006 http://www.informaworld.com/smpp/title~content=
t741771155~db=all
International Wood Products Journal
2010 http://www.maney.co.uk/index.php/journals/iwp
It has to be emphasized that Table 1 only provides a selection of wood research journals in the core of the discipline, and it is not easy to set a clear line between forest related journals, pulp and paper technology and timber (civil) engineering journals. One can also observe that more and more wood technology related research work is published in journals related to general material and composites science, adhesives and polymer science, bioresource technology, chemical engineering and technology, drying technology etc. Is this a challenge to the established journals of the community of wood science and technology or can this also be seen as an emancipation of wood within the general material science and
technology disciplines? EJWWP458_source 6
As a scientific discipline the further development of wood technology is strongly related to forest products research (a worldwide overview on wood research institutes is given by Ellefson et al. 2007) and academic education, which is covered by the subdivision 5.14.00 of IUFRO Division 5 “Forest Products” on a
worldwide scale. There are many international and national networks in order to document and foster wood education programmes such as the Society of Wood Science and Technology (http://www.swst.org/). Observing the global changes and developments in society and technology and screening the various documentations on wood technology education programmes one can state that it is
very important to redefine and strengthen the numerous programmes worldwide,to anticipate the future and to make wood technology the key technology of a renewables-based sector.
3 Current wood technology issues
In the last decades the key issues and driving forces of wood technology have changed significantly. Many – but by far not all - of the current issues of wood technology have been addressed by COST actions of the forest-related domain of
COST (Forests, their Services and Products/FPS) as summarized in Table 2. In general, COST (http://www.cost.esf.org) is an intergovernmental framework for European Cooperation in Science and Technology, allowing the coordination of nationally-funded research on a European level.
The forest domain FPS has the mission to promote research along the whole forestry-wood-chain by providing a platform for the effective coordination of
nationally funded research activities in the areas of forestry, wood technology and pulp & paper. Analyzing the various actions within FPS, it becomes evident that the domain has changed its focus in the last years: from a technology-focus to a more environmental-related focus.
Table 2: Wood technology-related COST-Actions within the COST domain “Forest, their Services and Products/FPS” from about 1994 up to now. From COST action E 14 onwards, the results and various activities of each action are well documented on the domain´s homepage
(http://w3.cost.esf.org/index.php?id=146)
Tabelle 2: Auflistung von COST-Aktionen ab ca. 1994 mit Bezug zur Technologie des Holzes innerhalb des COST-Arbeitsgebietes "Forstwirtschaft, ihre Leistungen und Produkte". Ab der
COST-Aktion 14 können die Resultate und Aktivitäten der einzelnen Aktionen im COST- Arbeitsgebiet "Forstwirtschaft, ihre Leistungen und Produkte" auf der Bereichs-Homepage
abgerufen werden (http://w3.cost.esf.org/index.php?id=146)
Number of the COST action Title of the action1)
E 2 Durability of wood
E 5 Fire safety of medium-rise timber frame residential building
E 8 Mechanical performance of wood and wood products
E 9 Life cycle assessment of forestry and forest products
E 10 Wood properties for industrial use
E 13 Wood adhesion and glued products
E 15 Advances in the drying of wood
E 18 High performance in wood coating
E 20 Wood fibre cell wall structure
E 22 Environmental optimisation of wood protection
E 24 Reliability of timber structures
E 29 Innovative timber & composite elements / components for buildings
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E 31 Management of recovered wood
E 34 Bonding of timber
E 35 Fracture mechanics and micromechanics of wood and wood composites with
regard to wood machining
E 37 Sustainability through new technologies for enhanced wood durability
E 40 Innovative utilisation and products of large dimensioned timber including the
whole forest-wood-chain
E 41 Analytical tools with applications for wood and pulping chemistry
E 44 Wood processing strategy
E 49 Processes and performance of wood-based panels
E 53 Quality control for wood and wood products
FP 0602 Biotechnology for lignocellulose biorefineries
FP 0702 Net-acoustics for timber based lightweight buildings and elements
FP 0802 Experimental and computational micro-characterisation techniques in wood
mechanics
FP 0901 Analytical techniques for biorefineries
FP 0904 Thermo-hydro-mechanical wood behaviour and processing
1) Besides the title, the names of the various working groups (WG) within an action give even a
more detailed impression of the science and technology issues to be addressed e.g.: COST Action
E53 – WG 1 scanning for wood properties, WG 2 moisture content and distortion, WG 3 strength,
stiffness and appearance grading
It is the aim of science to build up new concepts, theories and methods in order to
create knowledge by employing formal techniques. Technology, however, is the
usage of knowledge and the techniques in pursuit of business and life in general.
For entrepreneurs and corporations it is important to develop and choose the
proper technology to become successful and competitive on the market, for
government bodies and political decision makers it is important to support proper
technologies in order to make a national economy successful. The latter includes
the evaluation of technology impacts and hazards by means of technology
foresight studies, which are becoming more and more important in the course of
introducing new technologies.
Aiming for future technologies many approaches are to be made. Currently
technology roadmapping is a frequently used tool in order to develop a plan that
matches short-term and long-term goals with specific technology solutions to help
meet those goals of a company, industrial cluster or a national economy (Garcia
and Bray 1997). Besides corporations and wood industry clusters (e.g., Kirstof
and von Geibler 2008), wood industry associations and governmental institutions
have launched and supported several wood technology roadmaps addressing a
specific forest products industry, value added wood products, nanotechnology in
the forest products industries etc. in the USA, Canada and Europe as referred to
by Teischinger and Tiefenthaler (2009).
In 2003, the Confédération Européenne des Industries du Bois (CEI-Bois)
launched a process to establish a “Roadmap to 2010 for the European
Woodworking Industries” with the main objective of producing an updated
analysis on key factors and challenges affecting the European woodworking
industries, identifying the opportunities for the sector, describing the ideal
position and producing an action programme towards 2010
(www.roadmap2010.eu). This roadmap has become an important nucleus of
strategic R&D activities within the European wood industries sector but is also an
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important tool to convince political decision makers on the European level of the
importance of the wood industries in Europe.
With the European Technology Platforms (ETPs) the European Union (EU)
provided a framework for stakeholders, led by the industry, to define research and
development priorities, timeframes and action plans on a number of strategically
important issues where achieving Europe's future growth, competitiveness and
sustainability objectives is dependent upon major research and technological
advances in the medium to long term (http://cordis.europa.eu/technology-
platforms/). ETPs are addressing technological challenges and play a key role in
ensuring an adequate focus on research funding on European level (e.g. European
Framework Programme) and national levels and foster public-private partnerships
as well.
With the support from the European Commission, the European forest-based
sector, represented by various confederations for the woodworking industries,
forest owners and paper industries, launched a forest-based sector technology
platform in 2004 (www.forestplatform.org). This platform is based on a vision
document “innovative and sustainable use of forest resources – vision 2030” and a
strategic research agenda for innovation, competitiveness and quality of life. In
addition to this research agenda many European countries developed national
research agendas. Reading the European and national research agendas one can
analyze the various research topics addressed along five different value chains
(VC) such as: VC forestry, VC wood products, VC pulp and paper products, VC
specialities (incl. biorefinery) and VC bioenergy.
4 Future aspects of wood technology and final
conclusions
Besides the various roadmaps and the research agenda of the Forest Technology
Platform addressed above, the COST action E44 “A European Wood Processing
Strategy” (van Acker and Fioravanti 2008), many papers and essays are
envisioning the future of wood technology such as Wegener (1995), Sutton
(2000), Youngs (2007), Winandy et al. (2008) etc. As a general conclusion one
can state that the forest-based industry is essentially a mature industry which has
to rejuvenate and innovative science and technology will be critical drivers for
incremental improvements and breakthrough processes as well.
Challenges and a call for improved or new technologies can be identified along
the whole wood supply and process chain:
• Wood supply – forest resources are being squeezed between growing
needs (including fast growing demand for wood as an energy carrier) and
environmental restrictions. This will open the raw material allocation to
semi-natural forests, forest plantations, agroforestry and agricultural
resources and new mobilization concepts for wood resources as discussed
by Scarascia-Mugnozza and Pisanelli 2008). This new raw material
spectrum, including the increasing use of recycled material, will have a
huge impact on wood technology and material design as well.
• Timber in construction - Wood is a highly synthesized and optimized raw
material from nature with load-bearing functions as one of its main
functionalities. Using wood as timber in construction comes next to the
natural features of wood, but man still can improve the mechanic
performance of wood by proper grading and excluding natural pattern and
inhomogeneities and building up engineered material structures. Material
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and building components models and simulation will become a major tool
in order to understand and improve the materials and components.
• Material engineering - Engineered wood composite materials and
structures on all hierarchical levels (from nano- to macrostructures) are
already a main field of technology research and will become even more
important in order to make wood materials more competitive. A strong
focus on resource- and ecoefficiency of materials, including raw materials
from any renewable sources, will lead us to “Green Composites” as
envisaged by Baillie (2004).
• Wood aesthetics - Morphology and chemical composition including the
various extractives create an inimitable surface aesthetic appearance of
wood, especially with the various hardwoods. Unfortunately the colour of
wood is not UV-stable so is a main challenge to prevent fading and
discoloration to a further successful and viable use of wood surfaces
(veneer and solid wood) in indoor and outdoor application in competition
with technical surface structures.
• Wood modification - Much emphasis has been put on wood modification
in the last years in order to make it more durable and stable etc. Putting
new functionalities (including multifunctionalities) into the wood or onto
the wood surface will be necessary in order to create a new wood
performance which pave the way to so-called smart materials.
• Fractionizing wood - Various mechanical disintegration and chemical
decomposition processes are well established in order to break down and
fractionize the raw material wood and to re-arrange and re-engineer it to
glued components, wood-based panels, paper sheets etc., however,
improved and completely new processes of disintegration have to be
envisaged.
• Machining and processing - Primary and secondary wood processing has
improved a lot in the last centuries (e.g. high capacity sawmills,
continuous presses for wood based panels, high-performance wood
machining), but new process technologies, manufacturing concepts (mass
customization, tailoring of products etc.) have to be developed. Resource-
and eco- efficient processes have to be envisaged in wood industries by
means of improved and new process analytics as discussed by Kessler
(2006) and production management systems which in turn are part of a
concept of knowledge-based production.
• Wood refinery - Thermo-chemical processes, and increasingly,
biotechnology are used to break down lignocellulosic feedstocks to their
building blocks for the chemical and energy industry – the terms
“integrated biomass technologies” and “wood biorefinery” became the
key-words within the emergence of a new industrial sector of renewables-
based technologies, which is outlined by Dewulf and van Langenhove
(2006). Today we are in a labyrinth of different though ambitious
approaches to unzipping lignocelluloses to their building blocks so that
they can be used for further processes. Even though parts of that concept
already exist, a sweeping economic breakthrough is still missing.
• Recycling – Even as the majority of wood products are considered as
medium- und long-term products, an increased use of wood builds up a
huge secondary feedstock to be used as a material and/or energy carrier.
The material, industrial and building designs have to be matched to a
future demolishing of used structures and the recovery of wood. Wood
EJWWP458_source
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technology becomes an important role in the concept of a cascadic use of
wood.
• Technology assessment - In the future, the development of new
technologies has to be accompanied by technology assessment (such as
described by Bröchler et al. 1999). As technological progress is pursued, a
concept of the selection of the appropriate technology has to be
implemented in order to minimize risks and environmental hazards but
that still provides future well-being. An eco-driven material and
technology selection – based on various indicators currently being under
discussion – has to become a must in future productions.
• Technology education - Wood technology as an academic discipline has to
be further developed (and discussed within the wood science and
technology community) encompassed by rigorous academic curricula in
order to provide a profound technology education to the students, which
has to create the intellectual backbone of tomorrow’s forest-based
industries and a knowledge-based society as well.
This essay was meant to be a journey from the history to the present state of wood
technology, including an outlook on the future. Because of the limitations in space
not all aspects of wood technology have been covered. Yet it was a main
intention of the current contribution of this special issue of the European Journal
of Wood and Wood Products to discuss the link between wood science and
technology so as to point out that scientists prepare the foundations of new
knowledge and technologists have to pave the way of knowledge for the crafts
and industries. It is their turn to meet the society’s needs, to make the products
desired and to solve problems. One can observe that the parties involved do not
always steer in the same direction.
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Symposium Series 954. American Chemical Society, Washington, DC
Baillie C (ed.) (2004) Green composites: Polymer composites and the environment. Woodhead
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Manufakturen, vornehmlich derer, welche mit der Landwirtschaft, Polizei und
Kameralwissenschaften in nächster Verbindung stehen. Göttingen, Verlag der Wittwe
Bandenhoeck
Bodig J, Jayne BA (1982) Mechanics of Wood and Wood Composites. Van Nostrand Reinhold,
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The development of wood technology and technology developments in the wood industries—from history to future (PDF Download Available). Available from: https://www.researchgate.net/publication/226719933_The_development_of_wood_technology_and_technology_developments_in_the_wood_industries-from_history_to_future [accessed Oct 23 2017].
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