5. Conclusion

The various products derived from wood are manufactured using all possible sizes and granulometries of the original material, from plank to fiber, and it is unlikely that new types of material will be developed. On the other hand, changes are taking place in manufacturing processes (more ecological, less energy-consuming), raw material sources (use of wood industry by-products, small woods) and adhesives (lower formaldehyde emissions).

Examples of material combinations leading to lighter, less raw-material-intensive elements with identical performance (I-beams, caissons, etc.) are likely to multiply.

For ecological and economic reasons linked to dwindling oil resources, the use of adhesives of natural origin is set to increase: glues based on gluten or soybean oil, improving their performance for more structural uses, tannin- and lignin-based...

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page Environmental and regulatory aspects

Bibliography

(1) - PIZZI (A.) - Tannin-based adhesives, in Wood Adhesives (A. Pizzi Ed.). - Marcel Dekker Inc., New York, 1983.
(2) - PIZZI (A.) - Advanced wood adhesives technology – - Marcel Dekker Inc., New York, 1994.
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Standards and norms

Glues and adhesives

Adhesives – Terms and definitions. - NF EN 923 - (2016)
Wood-based panels – Determination of formaldehyde release – Part 1: Formaldehyde emission by chamber method. - NF EN 717-1 - (2005)
Wood-based panels – Determination of formaldehyde release – Part 3: jar method. - NF EN 717-3 - (1996)
Wood-based panels – Determination of formaldehyde release – Part 3: Gas...

Regulations

Directive 98/8/EC of the European Parliament and of the Council of 16 February 1998 concerning the placing of biocidal products on the market.

Council Directive 1999/13/EC of March 11, 1999 on the limitation of emissions of volatile organic compounds due to the use of organic solvents in certain activities and installations.

Regulation (EC) No 1907/2006 of the European Parliament...