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https://doi.org/10.5552/drind.2018.1726

Supplementation of Natural Tannins as an Alternative to Formaldehyde in Urea and Melamine Formaldehyde Resins used in MDF Production

Sima Sepahvand ; Department of Wood and Paper Science and Technology, Natural Resources Faculty, University of Tehran, Iran
Kazem Doosthosseini ; Department of Wood and Paper Science and Technology, Natural Resources Faculty, University of Tehran, Iran
Hamidreza Pirayesh ; Wood Science & Technology Department, Faculty of Civil Engineering, Shahid Rajaee Teacher Training University (SRTTU), Tehran, Iran
Behrooz Karamdoost Maryan ; Shafarood institution of forest research and management, Gilan, Iran

Puni tekst: engleski, pdf (457 KB) str. 215-221 preuzimanja: 150* citiraj
APA 6th Edition
Sepahvand, S., Doosthosseini, K., Pirayesh, H. i Maryan, B.K. (2018). Supplementation of Natural Tannins as an Alternative to Formaldehyde in Urea and Melamine Formaldehyde Resins used in MDF Production. Drvna industrija, 69 (3), 215-221. https://doi.org/10.5552/drind.2018.1726
MLA 8th Edition
Sepahvand, Sima, et al. "Supplementation of Natural Tannins as an Alternative to Formaldehyde in Urea and Melamine Formaldehyde Resins used in MDF Production." Drvna industrija, vol. 69, br. 3, 2018, str. 215-221. https://doi.org/10.5552/drind.2018.1726. Citirano 20.11.2019.
Chicago 17th Edition
Sepahvand, Sima, Kazem Doosthosseini, Hamidreza Pirayesh i Behrooz Karamdoost Maryan. "Supplementation of Natural Tannins as an Alternative to Formaldehyde in Urea and Melamine Formaldehyde Resins used in MDF Production." Drvna industrija 69, br. 3 (2018): 215-221. https://doi.org/10.5552/drind.2018.1726
Harvard
Sepahvand, S., et al. (2018). 'Supplementation of Natural Tannins as an Alternative to Formaldehyde in Urea and Melamine Formaldehyde Resins used in MDF Production', Drvna industrija, 69(3), str. 215-221. https://doi.org/10.5552/drind.2018.1726
Vancouver
Sepahvand S, Doosthosseini K, Pirayesh H, Maryan BK. Supplementation of Natural Tannins as an Alternative to Formaldehyde in Urea and Melamine Formaldehyde Resins used in MDF Production. Drvna industrija [Internet]. 2018 [pristupljeno 20.11.2019.];69(3):215-221. https://doi.org/10.5552/drind.2018.1726
IEEE
S. Sepahvand, K. Doosthosseini, H. Pirayesh i B.K. Maryan, "Supplementation of Natural Tannins as an Alternative to Formaldehyde in Urea and Melamine Formaldehyde Resins used in MDF Production", Drvna industrija, vol.69, br. 3, str. 215-221, 2018. [Online]. https://doi.org/10.5552/drind.2018.1726

Sažetak
The aim of this study was to evaluate some mechanical and physical properties of medium density fiberboards (MDF) made from different adhesive types. Five panel types were made from mixtures of tannin (T) to urea formaldehyde (UF) and tannin to melamine formaldehyde (MF), TUF10%, TUF20%, MF, TMF10% and TMF20%, respectively. Besides, the effect of press temperatures (170 and 180 °C) on the curing of the formulations was studied. Some mechanical properties (modulus of rupture, modulus of elasticity and internal bond strength), physical properties (thickness swelling and water absorption) and formaldehyde emission of the resulting panels were determined. The incorporation of tannin decreases the formaldehyde emission of the panels. However, flexural properties and internal bond strength decreased with increasing tannin ratio. The results indicated that panels can be manufactured using tannin up to 10 % in UF resin without falling below the minimum EN Standard requirements of mechanical properties for general purpose MDF panels.

Ključne riječi
Tannin; MF; UF; Formaldehyde emission; MDF

Hrčak ID: 206350

URI
https://hrcak.srce.hr/206350

[hrvatski]

Posjeta: 316 *