Skip to main content
SpringerLink
Log in

Effects of MDI content on properties of thermally treated oriented strand board (OSB)

  • Original
  • Published:
European Journal of Wood and Wood Products Aims and scope Submit manuscript

Abstract

The paper discusses the influence of methylene diphenyl diisocyanate (MDI) content on mechanical properties of thermally post-treated single-layered oriented strand boards (OSB). The OSB differed in adhesive content (3, 4 and 5%) and the high temperature (HT) level of the thermal modification (TM) (untreated, 160, 175 °C). To characterise the mechanical behaviour of the OSB, the modulus of rupture (MOR), modulus of elasticity (MOE), and internal bond (IB) of dry and boiled specimens were determined. In addition, the adsorption and desorption isotherms were investigated. The hygroscopic sorption isotherms were calculated according to the Hailwood-Horrobin equation. It was observed that the MOR and the IB of the post-treated OSB are significantly increased with higher MDI content. An increase of the MDI content from 3% up to 5% is not sufficient to compensate the loss of strength caused by TM. However, an increase of MDI-content of about 1% compensates the significant loss of IB of dry and boiled specimens. The MOE is not influenced by TM. With increased adhesive content, thermally treated and untreated specimens show slightly higher values. The thermal post-treatment of OSB alters the wood-water-interaction. The hygroscopicity is reduced. The higher the HT level, the lower is the sorption behaviour. It was also detected that a higher MDI content does not influence the hygroscopicity.

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

Fig. 1
Fig. 2
Fig. 3
Fig. 4

Similar content being viewed by others

References

  • Aro MD, Brashaw BK, Donahue PK (2014) Mechanical and physical properties of thermally modified plywood and oriented strand board panels. Forest Prod J 64(7/8):281–289

    Article  Google Scholar 

  • Bonigut J, Krug D (2011) Properties of thermally modified oriented strandboards (OSB). In: Forest products society 65th international conference. Proceedings, Portland

  • Bonigut J, Krug D, Stephani B (2012) Properties of thermally modified medium-density fibreboards. Holzforschung 66(1):79–83

    Article  CAS  Google Scholar 

  • Bonigut J, Krug D, Stuckenberg P (2014) Dimensional stability and irreversible thickness swell of thermally treated oriented strandboards (OSB). Eur J Wood Prod 72(5):593–599

    Article  CAS  Google Scholar 

  • Boonstra MJ, Tjeerdsma B (2006) Chemical analysis of heat treated softwoods. Holz Roh Werkst 64(3):204–211

    Article  CAS  Google Scholar 

  • Del Menezzi CHS, Tomaselli I (2006) Contact thermal post-treatment of oriented strandboard to improve dimensional stability: a preliminary study. Holz Roh Werkst 64(3):212–217

    Article  Google Scholar 

  • Del Menezzi CHS, de Souza RQ, Thompson RM, Teixeira DE, Okino EYA, da Costa AF (2008) Properties after weathering and decay resistance of a thermally modified wood structural board. Int Biodeterior Biodegrad 62(4):448–454

    Article  Google Scholar 

  • Del Menezzi CHS, Tomaselli I, Okino EYA, Teixeira DE, Santana MAE (2009) Thermal modification of consolidated oriented strandboards: effects on dimensional stability, mechanical properties, chemical composition and surface color. Eur J Wood Prod 67(4):383–396

    Google Scholar 

  • EN 1087 (1995) Particleboards—determination of moisture resistance—Part 1: Boil test

  • EN 310 (1993) Wood-based panels—determination of modulus of elasticity in bending and of bending strength

  • EN 319 (1993) Particleboards and fibreboards—determination of tensile strength perpendicular to the plane of the board

  • EN 322 (1993) Wood-based panels—determination of moisture content

  • EN 323 (1993) Wood-based panels—determination of density

  • Esteves B, Domingos I, Pereira H (2008) Pine wood modification by heat treatment in air. BioResources 3(1):142–154

    CAS  Google Scholar 

  • Hailwood AJ, Horrobin S (1946) Absorption of water by polymers: analysis in terms of a simple model. Trans Faraday Soc 42:B084-B092

    Article  Google Scholar 

  • Hartley ID, Wang S, Zhang Y (2007) Water vapor sorption isotherm modeling of commercial oriented strand panel based on species groups and resin type. Build Environ 42(10):3655–3659

    Article  Google Scholar 

  • Hill CA, Ramsay J, Keating B, Laine K, Rautkari L, Hughes M, Constant B (2012) The water vapour sorption properties of thermally modified and densified wood. J Mat Sci 47(7):3191–3197

    Article  CAS  Google Scholar 

  • Jalaludin Z, Hill CA, Xie Y, Samsi HW, Husain H, Awang K, Curling SF (2010) Analysis of the water vapour sorption isotherms of thermally modified acacia and sesendok. Wood Mat Sci Eng 5(3–4):194–203

    Article  CAS  Google Scholar 

  • Kollmann F, Fengel D (1965) Changes in chemical composition of wood by thermal treatment. Holz Roh Werkst 23(12):461–468

    Article  CAS  Google Scholar 

  • Lee SH, Lum WC, Zaidon A, Maminski M (2015) Microstructural. mechanical and physical properties of post heat-treated melamine-fortified urea formaldehyde-bonded particleboard. Eur J Wood Prod 73(5):607–616

    Article  CAS  Google Scholar 

  • Mendes RF, Júnior GB, de Almeida NF, Surdi PG, Barbeiro IN (2013) Effect of thermal treatment on properties of OSB panels. Wood Sci Technol 47(2):243–256

    Article  CAS  Google Scholar 

  • Mohebby B, Ilbeighi F, Kazemi-Najafi S (2008) Influence of hydrothermal modification of fibers on some physical and mechanical properties of medium density fiberboard (MDF). Holz Roh Werkst 66(3):213–218

    Article  CAS  Google Scholar 

  • Neimsuwan T, Wang S, Taylor AM, Rials TG (2008) Statics and kinetics of water vapor sorption of small loblolly pine samples. Wood Sci Technol 42(6):493–506

    Article  CAS  Google Scholar 

  • Ohlmeyer M, Kruse K (1999) Hot stacking and its effects on panel properties. In: European Panel Products Symposium. 3. Proceedings, Llandudno pp 293–300

  • Ohlmeyer M, Paul W (2010) Optimierung der Eigenschaften von Holzwerkstoffen mit Hilfe von thermischen Modifizierungsmethoden (Optimisation of properties of wood products by means of thermal modification) (In German). vTI, p 228

  • Okino EY, Teixeira DE, Del Menezzi CH (2007) Post-thermal treatment of oriented strandboard (OSB) made from cypress (Cupressus glauca Lam.). Maderas Cienc Tecnol 9(3):199–210

    Article  Google Scholar 

  • Olek W, Majka J, Czajkowski Ł (2013) Sorption isotherms of thermally modified wood. Holzforschung 67(2):183–191

    Article  CAS  Google Scholar 

  • Paul W, Ohlmeyer M, Leithoff H, Boonstra MJ, Pizzi A (2006) Optimising the properties of OSB by a one-step heat pre-treatment process. Holz Roh Werkst 64(3):227–234

    Article  CAS  Google Scholar 

  • Paul W, Ohlmeyer M, Leithoff H (2007) Thermal modification of OSB-strands by a one-step heat pre-treatment–Influence of temperature on weight loss, hygroscopicity and improved fungal resistance. Holz Roh Werkst 65(1):57–63

    Article  CAS  Google Scholar 

  • Pétrissans M, Gérardin P, Serraj M (2003) Wettability of heat-treated wood. Holzforschung 57(3):301–307

    Article  Google Scholar 

  • Richards RF, Burch DM, Thomas WC (1993) Water vapor sorption measurements of common building materials. Trans Am Soc Heat Refrig Air Cond Eng 98:475–475

    Google Scholar 

  • Roffael E, Rauch W (1973) Einfluß von Temperatur und thermischer Nachbehandlung auf einige physikalische Eigenschaften von diisocyanat-gebundenen Spanplatten (Influence of temperature and thermal post-treatment on some physical properties of diisocyanate bonded particle board) (In German). Holz Roh Werkst 31(10):402–405

    Article  CAS  Google Scholar 

  • Scheiding W, Flade P, Plaschkies K (2012) Sandwich stacking—a smart innovation for thermal modification in open kilns. In: European Conference on Wood Modification. 6. Proceedings, Ljubljana, pp 21–28

  • Sekino N, Inoue M, Irle M, Adcock T (1999) The mechanisms behind the improved dimensional stability of particleboards made from steam-pretreated particles. Holzforschung 53(4):435–440

    Article  CAS  Google Scholar 

  • Umemura K, Kawai S (2002) Effect of polyol on thermo-oxidative degradation of isocyanate resin for wood adhesives. J Wood Sci 48(1):25–31

    Article  CAS  Google Scholar 

  • Wangaard FF, Granados LA (1967) The effect of extractives on water-vapor sorption by wood. Wood Sci Technol 1(4):253–277

    Article  CAS  Google Scholar 

  • Winandy JE, Lebow PK (2001) Modelling strength loss in wood by chemical composition. Part I. An individual component model for southern pine. Wood Fiber Sci 33(2):239–254

    CAS  Google Scholar 

  • Windeisen E, Wegener G (2008) Behaviour of lignin during thermal treatments of wood. Ind Crops Prod 27(2):157–162

    Article  CAS  Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Institute of Wood Technology Dresden (IHD), 01217, Dresden, Germany

    Martin Direske, Juergen Bonigut, Christoph Wenderdel, Wolfram Scheiding & Detlef Krug

Authors
  1. Martin Direske
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. Juergen Bonigut
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. Christoph Wenderdel
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. Wolfram Scheiding
    View author publications

    You can also search for this author in PubMed Google Scholar

  5. Detlef Krug
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to Martin Direske.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Direske, M., Bonigut, J., Wenderdel, C. et al. Effects of MDI content on properties of thermally treated oriented strand board (OSB). Eur. J. Wood Prod. 76, 823–831 (2018). https://doi.org/10.1007/s00107-017-1256-x

Download citation

  • Received:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s00107-017-1256-x

Search

Navigation