Thermal degradation of wood fibers during hot-pressing of MDF composites: Part I. Relative effects and benefits of thermal exposure

Wood and Fiber Science

Volumn 39, Issue 3, 2007, Pages 450-461

  Winandy, Jerrol E ^a   Krzysik, Andrzej M ^a  

^a FOREST PRODUCTS LABORATORY   (United States)

Author keywords

Carbohydrate structure; Compositional changes; Medium density fiberboards; Physical and mechanical properties; Process conditions; Profile density; Thermal degradation

Indexed keywords

MEDIUM DENSITY FIBERBOARD; MOISTURE SORPTION; THERMAL EXPOSURE;

CARBOHYDRATES; DURABILITY; HEAT TREATMENT; HOT PRESSING; MATHEMATICAL MODELS; NATURAL FIBERS; PYROLYSIS; THERMAL EFFECTS; THERMAL LOAD;

WOOD;

CARBOHYDRATES; DURABILITY; HEAT TREATMENT; HOT PRESSING; MATHEMATICAL MODELS; PYROLYSIS; WOOD FIBERS;

EID: 34547759936     PISSN: 07356161     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (45)

1. ANDRE, P., AND J. VAN OOST. 1964. A contribution to the study of condensation of lignocellulosic particles: The effect on the properties of boards made from spruce saw-dust of heat treatment of the sawdust or of the boards themselves. Agricultura, Louvain Ser. 2. 12(3):516-41.
2. ANTOINE, R., P. ANDRE, AND H. P. NAVEAU. 1971. Thermal treatment and its influence on self-bonding of spruce particles (Picea abies). Holzforschung 25(1):8-15.
3. ASTM. 2005. ASTM Standard D 1037. In: Annual Book of Standards Vol. 4.10 Wood. American Society for Testing and Materials, West Conshohocken, PA.
4. ANSI. 2002. ANSI A208.2 Standard. American National Standards Institute. Washington, DC.
5. BRAUNS, O., AND A. STRAND. 1958. Heat treatment of hardboard (Varmebehandling av harda trafiberskivor). Svenskpapptidn. 61(14):437-444. (in Swedish)
6. BURMESTER, A. 1974. Simple methods of improving dimensional stability. (2) Treatment of wood-based materials, technology, economics. Holz und Kunststoffverarbeitung 9(9):610-617. (in German)
7. BURMESTER, A. 1981. Dimensional stabilization of wood. IRG/WP/ 3171. International Research Group for Wood Protection, Stockholm, Sweden. 8 pp.
8. BURMESTER, A. and H. J. Deppe. 1973. Experiments to improve dimensional stability of particle board by applying the FWD [moisture/ heat/pressurel process to chips. Holzbearbeitung 20(7):24-30. (in German)
9. DAVIS, M. W. 1998. A rapid modified method of compositional carbohydrate analysis of lignocellulosics by high pH anion-exchange chromatography with pulsed amperometric detection (HPAEC/PAD). J Wood Chem. Technol. 18(2):235-252.
10. DENG, J., D. Q. YANG, AND X. GENG. 2006. Effect of process parameters on fungal resistance of MDF panels. Forest Prod. J. 56(3):75-80.
11. Effland, M. 1977. Modified procedure to determine acid-insoluble lignin in wood and pulp. Tappi 60(10):143-144.
12. GARCIA, R. A., A. CLOUTIER, AND B. RIEDL. 2006. Dimensional stability of MDF panels produced from heattreated fibres. Holzforschung 60:278-284.
13. GOROYIAS, G. J. AND M. D. HALE. 2002a. Heat treatment of wood strands for OSB production: Effect on mechanical properties, water absorption and dimensional stability. IRG/VWP 02-40238. IRG Secretariat, Stockholm, Sweden. 18 pp.
14. GOROYIAS, G. J. AND M. D. HALE. 2002b. The effect of high temperature and long pressing time on dimensional stability and decay resistance of OSB. IRG/WP 02-40237. IRG Secretariat, Stockholm, Sweden. 20 pp.
15. GOROYIAS, G. J. AND M. D. HALE. 2004. The mechanical and physical properties of strand boards treated with preservatives at different stages of manufacture. Wood Sci. Technol. 38(2):93-107.
16. GUPTA, R. C., S. P. SINGH, AND S.-N. NAUTIYAL. 1980. Studies on tempering of phenolic bonded particle board. J. Timber Development Association of India 26(4):16-18.
17. HIGASHIHARA, T., T. MOROOKA, S. HIROSAWA, AND M. NORIMOTA. 2004. Relationship between changes in chemical components and permanent fixation of compressed wood by steaming and heating. Mokuzai Gakkaishi (J. Japanese Wood Research Society) 50(3):159-167.
18. HOWARD, J. 2001. U.S. timber production, trade consumption and price statistics 1965 to 1999. Research Paper FPL-RP-595. USDA Forest Service, Forest Products Laboratory, Madison, WI. 90 pp.
19. HSU, W. E., W. SCHWALD, AND J. A. SHIELDS. 1989. Chemical and physical changes required for producing dimensionally stable wood-based composites. Part 2: Heat post-treatment. Wood Sci. Technol. 23(3):281-288.
20. KLAUDITZ, W. AND G. STEGMAN. 1951. Fundamental chemical and physical processes in the heat treatment of woodfibre boards (Uber die grundlegenden chemischen und physikalischen Vorgange bei der Warmevergutung von Holzfaserplatten). Holzforschung 5(3):68-74. (in German).
21. LEBOW, P. K. AND J. E. WINANDY. 1999. Verification of a kinetic model for the effects of FR on bending strength at elevated temperatures. Wood Fiber Sci. 31(1):49-61.
22. LIIRI, O. 1969. On the effect of pressing conditions and heat treatment on the properties of particle board bonded with phenolic resin. Tied-Valt-Tekn-Tutkimusl-Sarja-1-Puu. 48(27). (in Finnish).
23. MICALES-GLAESER, J. A. 2006. Personal communication. USDA Forest Service, Northern Research Station, Madison, WI.
24. MILITZ, H. 2007. Processes and properties of thermally modified wood manufactured in Europe. In: ACS Symposium Series # -. Wood protection and molds in homes. T. Schultz and D. Nicholas, eds. Am. Chem. Soc., Washington, DC. (in press).
25. NISHIKAWA, K., A. MATSUMOTO, AND O. NIIRO. 1979. The manufacturing of medium-density fibreboards by the wet process. J. Hokkaido Forest Products Research Inst. 327: 1-5. (in Japanese).
26. OGLAND, N. J., AND E. B. EMILSSON. 1951. The effect of heat treatment on the bending strength and elasticity of hardboards (Varmebehandlingens inverkan pa harda trafiberskivors bojhallfasthet och elasticitet). Sven Papperstidn. 54(17):597-600. (in Swedish).
27. POBLETE, H., AND E. ROFFAEL. 1985. On chemical changes in wood particles during pressing with urea-formaldehyde resins as binder. Holz Roh- Werkst. 43(1):57-62.
28. PULIKOWSKI, Z. 1975. Principles of the heat treatment of hardboard in heating chambers. Prace Instytutu Technologii Drewna 22(3/4):57-99. (in Polish).
29. RAPP, A. O. 2001. Review of heat treatments of wood. Proceedings of a seminar held 9 Feb., 2001 in Antibes, France. COST Action E22: Environmental Optimization of Wood Protection. 65 pp.
30. ROFFAEL, E. AND W. RAUCH. 1973. Influence of temperature and thermal after-treatment on some physical properties of di-isocyanate-bonded particle boards. Holz Roh-Werkst. 31(10):402-405. (in German).
31. ROFFAEL, E. AND W. RAUCH and K. Schaller. 1973. The manufacture of phenol-resin-bonded particle boards. Part 3. Thermal after-treatment of medium- or low-density boards. Holz-Zentralblatt 99:1500-1501. (in German).
32. SCHEFFER, T. C., AND W. E. ESLYN. 1961. Effect of heat on the decay resistance of wood. Forest Prod. J. 11(12):485-490.
33. SOLECNIK, N. J., AND A. P. SISKINA. 1964. The influence of decomposition products of wood constituents on the production technology and properties of wood fibreboards made by the dry and semi-dry methods. Lesn-Z,-Arhangelsk 7(3):144-152 (in Russian).
34. STAMM, A. J. 1964. Wood and cellulose science. Ronald Press, New York, NY. 549 pp.
35. SUCHSLAND, O., AND R. C. ENLOW. 1968. Heat treatment of exterior particleboard. Forest Prod. J. 18(8):24-28.
36. SUCHSLAND, O., and G. Woodson. 1968. Fiberboard manufacturing practices in the United States. USDA Agricultural Handbook No. 640. USDA, Washington, DC. 263 pp.
37. SZYMANKIEWICZ, H. 1971. Changes caused by thermal treatment in the properties of dry-felted fibreboard made from scots pine wood. Prace Inst Tech Drewna 18(1):115-134. (in Polish).
38. VAN HOUTS, J., DEBES-BHATTACHARYYA, KRISHNAN-JAYARAMAN. 2001a. Reduction of residual stresses in medium density fibreboard. Part 1. Taguchi analysis. Holzforschung 55(1):67-72.
39. VAN HOUTS, J., DEBES-BHATTACHARYYA, KRISHNAN-JAYARAMAN. 2001b. Reduction of residual stresses in medium density fibreboard. Part 2. Effects on thickness swell and other properties. Holzforschung 55(1):73-81.
40. Voss, K. 1952. Heat treatment of hardboards (Die Warme-behandlung von Holzfaser-Hartplatten). Holz Roh-Werkst. 10(8):299-305. (in German).
41. WIDYORINI, R., J. XU, T. WATANABE, AND S. KAWAI. 2005. Chemical changes in steam-pressed kenaf core binderless particleboard. J. Wood Sci. 51(1):26-32.
42. WINANDY, J. E. AND P. K. LEBOW. 2001. Modeling strength loss in wood by chemical composition: I. An individual component model for southern pine. Wood Fiber Sci. 33(2):239-254.
43. WINANDY, J. E. and W. R. Smith. 2007. Enhancing composite durability using thermal treatments. In Vol. 7231, 201-215 Proc. International Wood Protection Conference. March 21-23, 2006, New Orleans, LA. Forest Products Society, Madison, WI.
44. YOUH, S. J., B. M. JO, AND J. S. OH. 2000. The improvement of physico-mechanical properties of MDF with high frequency heating technique. Mokchae Konghak (Journal of the Korean Wood Science and Technology) 28(4):83-93.
45. ZHANG, X. Q., R. S. LU, W. H. WANG, AND A. B. PU. 1997. Heat post-treatment to reduce thickness swelling of particleboard from fast-growing poplars. J. Forestry Res. 8(3):188-190.