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HERO ID
4420932
Reference Type
Journal Article
Title
APPLICATION OF SELECTED AGENTS FOR WOOD LIQUEFACTION AND SOME PROPERTIES OF PARTICLEBOARDS PRODUCED WITH THE USE OF LIQUEFIED WOOD
Author(s)
Janiszewska, D; Frackowiak, I; Bielejewska, N
Year
2016
Is Peer Reviewed?
Yes
Journal
Drewno
ISSN:
1644-3985
Volume
59
Issue
197
Page Numbers
223-230
DOI
10.12841/wood.1644-3985.C37.01
Web of Science Id
WOS:000385280700019
Abstract
This work presents the characteristics of wood liquefied using different types of solvents in terms of its application for binding particleboards. Standard pine particles from barked wood were used for the liquefaction experiments. The liquefaction reaction was carried out in high temperature conditions using a mixture of solvents from the polyhydroxy alcohol group, including glycerine, ethylene glycol, propylene glycol, diethylene glycol, and dipropylene glycol. The microstructure of both the liquefied wood and the liquefaction residues was determined by means of optical microscopy analysis. The basic parameters of the adhesive mixture modified with the liquefied wood, such as viscosity, pH and gel time were determined. Particleboards containing liquefied wood were produced. The following physicochemical and mechanical properties of the particleboards were measured: tensile strength, bending strength, modulus of elasticity, and formaldehyde content. The influence of the liquefying agent on the board properties was investigated. In all the tests, a control particleboard, bonded with a urea-formaldehyde adhesive resin with no inclusion of liquefied wood, was used for the purposes of comparison.
Keywords
liquefied wood; adhesive; particleboard properties; confocal microscopy
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