Skip to main content
SpringerLink
Log in

Weathering of silane treated wood

Bewitterung von mit Silanen behandeltem Holz

  • ORIGINALARBEITEN ORIGINALS
  • Published:
Holz als Roh- und Werkstoff Aims and scope Submit manuscript

Abstract

Outdoor and artificial weathering tests were performed on specimens of Scots pine sapwood treated with silanes to achieve water repellent properties. During outdoor weathering, the treatment caused a reduction in (liquid) water uptake but the sorption of moisture (air humidity) was not affected by silane treatment. The water repellent effect of vacuum-pressure treated specimens remained stable over the tested exposure period of one year, as was shown in dipping tests.

Evaluation of silane treated specimens did not reveal any reduction of crack formation during exposure to weathering. The application of silanes in combination with UV light stabilizers enhanced the effectiveness of these protectants and led to higher colour stability during artificial weathering in a QUV device.

Zusammenfassung

Zur Erlangung Wasser abweisender Eigenschaften wurden Kiefernsplintholzproben mit Silanen behandelt und einer natürlichen und künstlichen Bewitterung ausgesetzt. Die Behandlungen bewirkten eine verringerte Aufnahme von (flüssigem) Wasser bei der Außenbewitterung; jedoch wurde die Feuchtesorption (durch Interaktion mit der Luftfeuchte) nicht beeinflusst. Im Laufe der Bewitterungszeit von einem Jahr erwies sich der Wasser abweisende Effekt bei Vakuum-Druck-behandelten Proben in Tauchversuchen als stabil. Es wurde kein Einfluss auf die Bildung von Oberflächenrissen während der Bewitterung festgestellt. Die Kombination von Silanen mit UV-Stabilisatoren verstärkte die Wirkung dieser Mittel und führte zu verbesserter Farbstabilität bei künstlicher Bewitterung.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  1. Brinker CF, Scherer GW (1990) Sol-Gel-Science. Academic Press, San Diego

    Google Scholar 

  2. Donath S, Militz H, Mai C (2004) Wood modification with alkoxysilanes. Wood Sci Technol 38:555–566

    Article  CAS  Google Scholar 

  3. Donath S, Militz H, Mai C (2005) Creating water repellent effects on wood by treatment with silanes. Holzforschung 60:40–46

    Article  CAS  Google Scholar 

  4. Evans PD, Donnelly C, Cunningham RB (2003) Checking of CCA-treated radiata pine decking timber exposed to natural weathering. For Prod J 53(4):66–71

    CAS  Google Scholar 

  5. Feist WC, Hon DN-S (1984) Chemistry of weathering and protection. In: Rowell R (ed) The chemistry of solid wood. Advances in Chemistry Series No. 207. American Chemical Society, , pp 401–451

  6. Hon DN-S (2001) Weathering and photochemistry of wood. In: Hon DN-S, Shiraishi N (eds) Wood and cellulosic chemistry. Marcel Dekker, New York, pp 513–546

    Google Scholar 

  7. Hon DN-S, Feist WC (1992) Hydroperoxidation in photoirradiated wood surfaces. Wood Fiber Sci 24:448-455

    CAS  Google Scholar 

  8. Hon DN-S, Minemura N (2001) Color and discoloration. In: Hon DN-S, Shiraishi N (eds) Wood and cellulosic chemistry. Marcel Dekker, New York, pp 385–442

    Google Scholar 

  9. Kabir FR, Nicholas DD, Vasishth RC, Barnes HM (1992) Laboratory methods to predict the weathering characteristics of wood. Holzforschung 46:395–401

    Article  CAS  Google Scholar 

  10. Kamdem DP, Grelier S (2002) Surface roughness and color change of copper amine and UV absorber-treated red maple (Acer rubrum) exposed to artificial ultraviolet light. Holzforschung 56:473–478

    Article  CAS  Google Scholar 

  11. Mai C, Militz H (2004a) Modification of wood with silicon compounds. Inorganic silicon compounds and sol-gel systems: a review. Wood Sci Technol 37:339–348

    Article  CAS  Google Scholar 

  12. Mai C, Militz H (2004b) Modification of wood with silicon compounds. Treatment systems based on organic silicon compounds – a review. Wood Sci Technol 37:453–461

    Article  CAS  Google Scholar 

  13. Müller U, Steiner M, Rätzsch M (2002) Photostabilization of wood without topcoat- influence of UV-absorber and radical scavenger. In: Proceedings of the international symposium on wood based materials, 19–20 September 2002, Vienna

  14. Rowell R, Banks B (1985) Water repellency and dimensional stability of wood. United States Department of Agriculture, Technical Report FPL 50

  15. Saka S, Miyafuji H, Tanno F (2001) Wood-inorganic composites prepared by the sol-gel process. J Sol-Gel Sci Technol 20:213–217

    Article  Google Scholar 

  16. Saka S, Tanno F (1996) Wood-Inorganic Composites Prepared by Sol-Gel Processing VI. Effects of a property-enhancer on fire-resistance in SiO2-P2O5 and SiO2-B2O3 wood-inorganic composites. Mokuzai Gakkaishi 42:81–86

    CAS  Google Scholar 

  17. Saka S, Ueno T (1997) Several SiO2 wood-inorganic composites and their fire-resisting properties. Wood Sci Technol 31:457–466

    CAS  Google Scholar 

  18. Schulte Y, Donath S, Krause A, Militz H (2004) Evaluation of outdoor weathering performance of modified wood. IRG-Document IRG/WP/0420296, Stockholm

  19. Tanno F, Saka S, Yamamoto A, Takabe K (1998) Antimicrobial TMSAH-added wood-inorganic composites prepared by sol-gel process. Holzforschung 52:365–370

    Article  CAS  Google Scholar 

  20. Treu A, Militz H, Habicht J, Klaucke R (2003) Kombinationsverfahren von bioziden Holzschutzmitteln und Hydrophobierungsmitteln. Proceedings of the 23. Holzschutztagung der DGFH, Augsburg, Germany, 26.–27. March 2003

  21. Tshabalala MA, Gangstad JE (2003) Accelerated weathering of wood surfaces coated with multifunktional alkoxysilanes by sol-gel deposition. J Coat Technol 75:37–42

    CAS  Google Scholar 

  22. Tshabalala MA, Kingshott P, VanLandingham MR, Plackett D (2003) Surface chemistry and moisture sorption properties of wood coated with multifunctional alkoxysilanes by sol-gel process. J Appl Polym Sci 88:2828–2841

    Article  CAS  Google Scholar 

  23. Williams RS, Feist WC (1999) Water repellents and water-repellent preservatives for wood. United States Department of Agriculture. Technical Report FPL-GTR-109

  24. Zahora A (1991) Interactions between water-borne preservatives and emulsion additives that influence the water repellency of wood. IRG-Document IRG/WP/2374, Stockholm

  25. Zahora A (1992) A water repellent additive’s influence on field performance of southern yellow pine lumber. Proceedings of the Annual Meeting of American Wood-Preservers’ Association 88, pp 148-159

  26. Zahora A (2000) Long-term performance of a “wax” type additive for use with water-borne pressure preservative treatments. IRG-Document IRG/WP/00-40159, Stockholm

Download references

Author information

Authors and Affiliations

  1. Institute of Wood Biology and Technology, University of Göttingen, Büsgenweg 4, 37077, Göttingen, Germany

    S. Donath, H. Militz & C. Mai

Authors
  1. S. Donath
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. H. Militz
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. C. Mai
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to C. Mai.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Donath, S., Militz, H. & Mai, C. Weathering of silane treated wood . Holz Roh Werkst 65, 35–42 (2007). https://doi.org/10.1007/s00107-006-0131-y

Download citation

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s00107-006-0131-y

Keywords

Search

Navigation