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Information Journal Paper

Title

Fire resistance and mechanical properties of nano-wollastonite/styrene-treated poplar wood

Pages

  46-60

Abstract

 The aim of this study was to investigate the effect of poplar wood impregnation with nanowollastonite and nano-wollastonite-styrene mixture on fire resistance and mechanical properties of wood/polymer. Populus deltoids wood samples were saturated using 4% nano-wollastonite and 75% methanolic solution of styrene monomer by vacuum-pressure method. Four different wood treatments with nano-wollastonite, styrene, mixture of 1: 1 ratio of nano-wollastonite and styrene (one-step) and finally, the initial wood impregmation by nano-wollastonite and then styrene (two-stage treatment) were investigated. In this study, the fire resistance and mechanical properties of the specimens were measured. The results showed that the weight loss of wood against fire in two-stage treatment (NW+St) was 61. 38% and in one-stage treatment (NW/St) was 69. 68% lower than control. NW/St treatment flame durability was approximately equal to NW treatment and improved by 30% compared to control. The reduction of carbonized area in twostage (NW+St) and one-stage (NW/St) treatments was 28. 53% and 29. 06%, respectively, which showed a significant decrease. The results of mechanical tests showed that the NW/St treatment had the highest value due to the presence of condensing material in parallel to the NW/St treatment which showed an increase of 57. 41% compared to the control sample. The modulus of elasticity and disruption of NW/St treatment increased by 26. 77% and 35. 71%, respectively. In addition, resistance to hardness of NW/St treatment increased by 10. 07% compared to control. Overall, it can be concluded that mixing nano-wollastonite with styrene, while increasing the polymer wood fire resistance, also improved the mechanical properties of the polymer wood.

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    • Cite

    APA: Copy

    IZADYAR, S., Hamzezadeh, R., & EFHAMI SISI, D.. (2020). Fire resistance and mechanical properties of nano-wollastonite/styrene-treated poplar wood. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, 35(1 (70) ), 46-60. SID. https://sid.ir/paper/401203/en

    Vancouver: Copy

    IZADYAR S., Hamzezadeh R., EFHAMI SISI D.. Fire resistance and mechanical properties of nano-wollastonite/styrene-treated poplar wood. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH[Internet]. 2020;35(1 (70) ):46-60. Available from: https://sid.ir/paper/401203/en

    IEEE: Copy

    S. IZADYAR, R. Hamzezadeh, and D. EFHAMI SISI, “Fire resistance and mechanical properties of nano-wollastonite/styrene-treated poplar wood,” IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, vol. 35, no. 1 (70) , pp. 46–60, 2020, [Online]. Available: https://sid.ir/paper/401203/en

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