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Journal of Wood Science

Official Journal of the Japan Wood Research Society

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Impact of wetting and drying cycle treatment of intumescent coatings on the fire performance of thin painted red lauan (Parashorea sp.) plywood

Journal of Wood Science volume 56, pages 208–215 (2010)Cite this article

Abstract

Emulsion resins are widely used in wood-based materials for indoor furnishings. Previous studies have demonstrated that the ability of a material to retard flame arises from the interactions between four major components: i.e., binder resin (BR); carbonizing substrate (CS); foam-producing substance (FPS); and dehydrating agent (DA). Fire performance as influenced by wetting and drying cycle (WDC) treatment has not yet been reported. This study aimed to compare the fire performance of materials coated with EVAc (ethylene vinyl acetate copolymer) and PVAc (polyvinyl acetate copolymer) emulsion resins of differing BR/CS ratios, subjected to investigation by cone calorimeter. Intumescent formulation significantly enhanced the fire retardancy of painted plywood by exhibiting lower peak heat release rates (PHRR) and longer time to reach peak release rates. Additionally, lower BR content in the fire retardant systems further enhanced flame retardancy. The fire retardancy decreases with increasing the WDC treatment, caused by the weight loss of the coating materials. Infrared (FT-IR) analysis demonstrated that lower BR content extends the survival duration of the phosphorcarbonaceous structure of chars. The findings in this study enhance the state-of-the-art understanding of the effect of the intumescent.

References

  1. Mitchell S (1993) Fire performance of wood: test methods and fire retardant treatments. In: Proceedings of the 4th Annual BCC Conference on Flame Retardancy, 18–20 May, Stamford, CT. Business Communications, Norwalk, CT, USA

    Google Scholar 

  2. Chuang HB, Wang SY (2002) Effects of retention and distribution of fire retardant chemical on performance of fire retardant treated China fir (Cunninghamia lanceolata) wood. Holzforschung 56:209–214

    Article  CAS  Google Scholar 

  3. Demir H, Arkis E, Balköse D, Ülkü S (2005) Synergistic effect of natural zeolites on flame retardant additives. Polym Degrad Stab 89:478–483

    Article  CAS  Google Scholar 

  4. Zhu S, Shi W (2003) Thermal degradation of a new flame retardant phosphate methacrylate polymer. Polym Degrad Stab 80:217–222

    Article  CAS  Google Scholar 

  5. Sain M, Park SH, Suhara F, Law S (2004) Flame retardant and mechanical properties of natural fibre-PP composites containing magnesium hydroxide. Polym Degrad Stab 83:363–367

    Article  CAS  Google Scholar 

  6. Dequesne S, Magnet S, Jama C, Delobel R (2005) Thermoplastic resins for thin film intumescent coatings: towards a better understanding of their effect on intumescence efficiency. Polym Degrad Stab 88:63–69

    Article  Google Scholar 

  7. Bourbigot S, Le Bras M, Delobel R, Bréant P, Tremillon JM (1996) 4A zeolite synergistic agent in new flame retardant intumescent formulations of polyethylenic polymers: study of the effect of the constituent monomers. Polym Degrad Stab 54:275–287

    Article  CAS  Google Scholar 

  8. Horrocks AR, Price D (2001) Fire retardant materials. Woodhead Publishing, UK, pp 1–30

    Book  Google Scholar 

  9. Gao M, Sun CY, Wang CX (2006) Thermal degradation of wood treated with flame retardants. J Therm Anal Calorim 85:765–769

    Article  CAS  Google Scholar 

  10. Chuang CS, Tsai KC, Wang MK, Ou CC, Ko CH (2008) Effects of intumescent formulation for acrylic-based coating on flameretardancy of painted red lauan (Parashorea spp.) thin plywood. Wood Sci Technol 42:593–607

    Article  CAS  Google Scholar 

  11. Chinese National Standard (1993) CNS 6532. Method of test for the fire-resistibility of internal decorative material of building. National Standard Bureau, Taipei, Taiwan, R.O.C.

    Google Scholar 

  12. ASTM Standard (1999) E1354-99. Standard test method for heat and visible smoke release rates for materials and products using an oxygen consumption calorimeter. American Society for Testing and Materials, West Conshohoken, PA, USA

    Google Scholar 

  13. Chinese National Standard (2000) CNS 11728. Fire-retardant paints for buildings. National Standard Bureau, Taipei, Taiwan, R.O.C.

    Google Scholar 

  14. Wladyka-Przbylak M, Kozlowski R (1999) The thermal characteristics of different intumescent coatings. Fire Mater 23:33–43

    Article  Google Scholar 

  15. Le Bras M, Bourbigot M (1999) Comprehensive study of the degradation of an intumescent EVA-based material during combustion. J Mater Sci 34:5777–5782

    Article  CAS  Google Scholar 

  16. Camino G, Costa L, Trossarelli L (1985) Study of the mechanism of intumescence in fire retardant polymers: Part VI. Mechanism of ester formation in ammonium polyphosphate-pentaerythritol mixtures. Polym Degrad Stab 12:213–228

    Article  CAS  Google Scholar 

  17. Baljinder KK, Horrocks AR (1996) Complex char formation in flame-retarded fire-intumescent combinations. II. Thermal analytical studies. Polym Degrad Stab 54:289–303

    Article  Google Scholar 

  18. Lindsay CI, Hill SB, Hearn M, Manton G., Everall N, Bunn A, Heron J, Fletcher I (2000) Mechanisms of action of phosphorus based flame retardants in acrylic polymers. Polym Int 49:1183–1192

    Article  CAS  Google Scholar 

  19. Drevelle C, Duquesne S, Le Bras M, Lefebvre J, Delobel R, Castrovinci A, Magniez C, Vouters M (2004) Influence of ammonium polyphosphate on the mechanism of thermal degradation of an acrylic binder resin. J Appl Polym Sci 94:717–729

    Article  CAS  Google Scholar 

  20. Bourbigot S, Le Bras M, Duquesne S, Rochery M (2004) Recent advances for intumescent polymers. Macromol Mater Eng 289:499–511

    Article  CAS  Google Scholar 

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Authors and Affiliations

  1. School of Forestry and Resource Conservation, National Taiwan University, No. 1, Roosevelt Rd., Sec. 4, Taipei, 10617, Taiwan

    Chih-Shen Chuang & Chun-Han Ko

  2. Department of Safety, Health and Environmental Engineering, National Kaohsiung First University of Science and Technology, Kaohsiung, 81164, Taiwan

    Kuang-Chung Tsai

  3. Department of Forestry and Nature Conservation, Chinese Culture University, Taipei, 11175, Taiwan

    Yi-Chung Wang

  4. Department of Agricultural Chemistry, National Taiwan University, Taipei, 10617, Taiwan

    Ming-Kuang Wang

Authors
  1. Chih-Shen Chuang
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  2. Kuang-Chung Tsai
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  3. Yi-Chung Wang
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  4. Ming-Kuang Wang
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  5. Chun-Han Ko
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Correspondence to Chun-Han Ko.

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Chuang, CS., Tsai, KC., Wang, YC. et al. Impact of wetting and drying cycle treatment of intumescent coatings on the fire performance of thin painted red lauan (Parashorea sp.) plywood. J Wood Sci 56, 208–215 (2010). https://doi.org/10.1007/s10086-009-1089-2

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  • DOI: https://doi.org/10.1007/s10086-009-1089-2

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