Effect of soy flour addition to urea-formaldehyde resin on plywood strength properties and formaldehyde emission

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HOSSEINI S.B.; GHOFRANI M.; TAGHIYARI H.R.; GHAHRI S.

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Journal Paper

Paper Information

Journal: Iranian Journal of Wood and Paper Science Research Year:2019 | Volume:34 | Issue:3 (68) Page(s): 387-396

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Title

Effect of soy flour addition to urea-formaldehyde resin on plywood strength properties and formaldehyde emission

Author(s)

HOSSEINI S.B. | GHOFRANI M. | TAGHIYARI H.R. | GHAHRI S. | Issue Writer Certificate

Keywords

Soy flourQ1

urea-formaldehydeQ2

plywoodQ2

shear strengthQ2

delaminationQ1

Abstract

In this research, the effect of Soy flour addition to urea-formaldehyde resin on physical, mechanical properties of plywood and formaldehyde emission was investigated. Soy flour was mixed with urea-formaldehyde adhesive in three levels of 5, 10 and 15% (based on dry weight of urea-formaldehyde adhesive) and three-layer plywood was manufacture from the resultant adhesive and poplar veneer. Properties of manufactured plywood including formaldehyde emission according to EN-717-3 standard, shear strength according to EN-314 standard and water absorption and thickness swelling according to EN-317 standard were measured. The results indicated that addition of Soy flour up to 15% decreased formaldehyde emission up to 29. 34% and increased shear strength of panels. Moreover, delamination test (According to ANSI/HPVHPV1 Standard) presented acceptable results. The results obtained from water absorption and thickness swelling after 2h and 24h immersion in water showed that addition of Soy flour increased the value of water absorption and thickness swelling.

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APA: Copy

HOSSEINI, S.B., GHOFRANI, M., TAGHIYARI, H.R., & GHAHRI, S.. (2019). Effect of soy flour addition to urea-formaldehyde resin on plywood strength properties and formaldehyde emission. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, 34(3 (68) ), 387-396. SID. https://sid.ir/paper/388439/en

Vancouver: Copy

HOSSEINI S.B., GHOFRANI M., TAGHIYARI H.R., GHAHRI S.. Effect of soy flour addition to urea-formaldehyde resin on plywood strength properties and formaldehyde emission. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH[Internet]. 2019;34(3 (68) ):387-396. Available from: https://sid.ir/paper/388439/en

IEEE: Copy

S.B. HOSSEINI, M. GHOFRANI, H.R. TAGHIYARI, and S. GHAHRI, “Effect of soy flour addition to urea-formaldehyde resin on plywood strength properties and formaldehyde emission,” IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, vol. 34, no. 3 (68) , pp. 387–396, 2019, [Online]. Available: https://sid.ir/paper/388439/en

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