APPLICATION OF SELECTED AGENTS FOR WOOD LIQUEFACTION AND SOME PROPERTIES OF PARTICLEBOARDS PRODUCED WITH THE USE OF LIQUEFIED WOOD
PBN-AR
Instytucja
Instytut Fizyki Molekularnej Polskiej Akademii Nauk
Informacje podstawowe
Główny język publikacji
en
Czasopismo
Drewno
ISSN
1644-3985
EISSN
Wydawca
Instytut Technologii Drewna
DOI
Rok publikacji
2016
Numer zeszytu
197
Strony od-do
223-230
Numer tomu
59
Link do pełnego tekstu
Identyfikator DOI
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Autorzy
(liczba autorów: 3)
Pozostali autorzy
+ 2
Słowa kluczowe
en
liquefied wood
adhesive
particleboard properties
confocal microscopy
Streszczenia
Język
en
Treść
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.
Cechy publikacji
ORIGINAL_ARTICLE
Inne
System-identifier
794035
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