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This paper presents the preliminary research results of a project whose main objective is to quantify the impact of formulations and technological parameters on formaldehyde content in and emission from particleboards produced using urea-formaldehyde resin with a low molar ratio of F/U. The formaldehyde content reduction is possible by using a resin with a molar ratio of F/U of 1.065 hardened with...
The aim of this research was to investigate formaldehyde content in and volatile organic compounds release from particleboards produced from fibrous chips. The object of the tests were panels produced from fibrous chips of black locust Robinia Pseudoacacia L. and willow Salix Viminalis L., as well as from typical industrial particles. The results show that formaldehyde content in the panels produced...
Tematyka sympozjum obejmowała zagadnienia dotyczące stanu obecnego i perspektyw rozwoju przemysłu płytowego w Europie. Przedstawiono nowe koncepcje i rozwiązania technologiczne stosowane w produkcji płyt drewnopochodnych. Zaprezentowano wysokiej jakości produkty płytowe wytwarzane m.in. z odnawialnych surowców, a także płyty o bardzo niskiej emisji formaldehydu.
This paper presents the preliminary research results of a project whose main objective is to quantify the impact of formulations and technological parameters on formaldehyde content in and emission from particleboards produced using urea-formaldehyde resin with a low molar ratio of F/U. The formaldehyde content reduction is possible by using a resin with a molar ratio of F/U of 1.065 hardened with...
The aim of this research was to investigate formaldehyde content in and volatile organic compounds release from particleboards produced from fibrous chips. The object of the tests were panels produced from fibrous chips of black locust Robinia Pseudoacacia L. and willow Salix Viminalis L., as well as from typical industrial particles. The results show that formaldehyde content in the panels produced...
Within the framework of Project no. POIG.01.03.01-30/074/08 “Ionic liquids in innovative technologies connected with processing of lignocellulosic raw materials” the Wood Based Panels and Glues Department of the Wood Technology Institute in Poznan carried out research aiming at application of ionic liquids in particleboard technology. The objective of the research was application of [DDA][NO3] and...
The aim of the research was to measure the wettability of wood surface protected with three ionic liquids differing in terms of cation and anion structure as well as fungicidal properties. Herbicidal ionic liquids with functional anion, nitrate(V) with cation derived from natural coconut oil and ionic liquid with dodecylbenzenesulfonate anion were tested. The investigation was carried out on pine...
The aim of the research was to investigate the face screw withdrawal resistance of panels produced from fibrous chips of willow Salix Viminalis L. and black locust Robinia Pseudoacacia L. A series of laboratory 3-layer panels were produced from fibrous chips as well as from industrial particles. The results were compared to commercial industrial panel performance. The investigation shows that the...
The aim of the research was to investigate the face screw withdrawal resistance of panels produced from fibrous chips of willow Salix Viminalis L. and black locust Robinia Pseudoacacia L. A series of laboratory 3-layer panels were produced from fibrous chips as well as from industrial particles. The results were compared to commercial industrial panel performance. The investigation shows that the...
Within the framework of Project no. POIG.01.03.01-30/074/08 “Ionic liquids in innovative technologies connected with processing of lignocellulosic raw materials” the Wood Based Panels and Glues Department of the Wood Technology Institute in Poznan carried out research aiming at application of ionic liquids in particleboard technology. The objective of the research was application of [DDA][NO3] and...
The aim of the research was to measure the wettability of wood surface protected with three ionic liquids differing in terms of cation and anion structure as well as fungicidal properties. Herbicidal ionic liquids with functional anion, nitrate(V) with cation derived from natural coconut oil and ionic liquid with dodecylbenzenesulfonate anion were tested. The investigation was carried out on pine...
The increasing demands concerning formaldehyde content in/emission from particleboards force search after alternative bonding agents. One of such bonding agents can be polivinyloacetate (PVAc) glue. Unfortunately its high viscosity makes it difficult to apply the glue using methods for urea-formaldehyde glues. The viscosity change as dry mass decreases can be the reason for low strength of particleboards...
The aim of the research was to investigate the possibilities of partial substitution of conventional wood with alternative raw materials without raising the costs. One of the advantage of this kind of materials is that chips with different geometry can be made from agricultural lignocellulosic materials in contrast to wood waste commonly used for wood based panels production. Results of investigation...
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