Potential Use of Wollastonite as a Filler in UF Resin Based Medium-Density Fiberboard (MDF)

Potential Use of Wollastonite as a Filler in UF Resin Based Medium-Density Fiberboard (MDF). Taghiyari, H. R., Esmailpour, A., Majidi, R., Morrell, J. J., Mallaki, M., Militz, H., & Papadopoulos, A. N. Polymers, 12(7):1435, July, 2020. Number: 7 Publisher: Multidisciplinary Digital Publishing Institute

Paper doi abstract bibtex

Urea-formaldehyde (UF) resins are primary petroleum-based, increasing their potential environmental footprint. Identifying additives to reduce the total amount of resin needed without adversely affecting the panel properties could reduce these impacts. Wollastonite is a mineral containing calcium and silica that has been used as an additive in a variety of materials and may be useful as a resin extender. Nanoscale wollastonite has been shown to enhance the panel properties but is costly. Micron-scale wollastonite may be a less costly alternative. Medium-density fiberboards were produced by blending a hardwood furnish with UF alone, micron-sized wollastonite alone, or a 9:1 ratio of UF to wollastonite. Panels containing of only wollastonite had poor properties, but the properties of panels with 9:1 UF/wollastonite were similar to the UF-alone panels, except for the internal bond strength. The results suggest that small amounts of micron-sized wollastonite could serve as a resin extender. Further studies are suggested to determine if the micron-sized material has similar positive effects on the resin curing rate.

@article{taghiyari_potential_2020,
	title = {Potential {Use} of {Wollastonite} as a {Filler} in {UF} {Resin} {Based} {Medium}-{Density} {Fiberboard} ({MDF})},
	volume = {12},
	copyright = {http://creativecommons.org/licenses/by/3.0/},
	url = {https://www.mdpi.com/2073-4360/12/7/1435},
	doi = {10.3390/polym12071435},
	abstract = {Urea-formaldehyde (UF) resins are primary petroleum-based, increasing their potential environmental footprint. Identifying additives to reduce the total amount of resin needed without adversely affecting the panel properties could reduce these impacts. Wollastonite is a mineral containing calcium and silica that has been used as an additive in a variety of materials and may be useful as a resin extender. Nanoscale wollastonite has been shown to enhance the panel properties but is costly. Micron-scale wollastonite may be a less costly alternative. Medium-density fiberboards were produced by blending a hardwood furnish with UF alone, micron-sized wollastonite alone, or a 9:1 ratio of UF to wollastonite. Panels containing of only wollastonite had poor properties, but the properties of panels with 9:1 UF/wollastonite were similar to the UF-alone panels, except for the internal bond strength. The results suggest that small amounts of micron-sized wollastonite could serve as a resin extender. Further studies are suggested to determine if the micron-sized material has similar positive effects on the resin curing rate.},
	language = {en},
	number = {7},
	urldate = {2020-09-03},
	journal = {Polymers},
	author = {Taghiyari, Hamid R. and Esmailpour, Ayoub and Majidi, Roya and Morrell, Jeffrey J. and Mallaki, Mohammad and Militz, Holger and Papadopoulos, Antonios N.},
	month = jul,
	year = {2020},
	note = {Number: 7
Publisher: Multidisciplinary Digital Publishing Institute},
	keywords = {wood-based composites, wollastonite, cell-wall polymers, engineered materials},
	pages = {1435},
	file = {Taghiyari et al. - 2020 - Potential Use of Wollastonite as a Filler in UF Re.pdf:C\:\\Users\\Eva\\Zotero\\storage\\CND47SP7\\Taghiyari et al. - 2020 - Potential Use of Wollastonite as a Filler in UF Re.pdf:application/pdf},
}

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