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A platform for research: civil engineering, architecture and urbanism
Organosilicon compounds as potential wood protecting agents
Wood is very diverse and has specific features making it easily distinguishable from other materials. Due to its properties it can be applied both inside and outside, making it a rewarding material to work with. However, when applied outside it is liable to weathering, inducing changes to the wood, like i.e. surface discolouration, dimensional changes or even wood rot, which are not appreciated by end-users. Therefore wood constructors are looking for protection methods of wood, leading to longer service life of their wood products. Since pressure is put on traditional wood preservation due to environmental and health considerations, new treatment technologies aiming at improved wood properties are launched. Besides wood modification technologies, treatments with organosilicon compounds were proposed. These chemicals proved to be suitable for the protection of other building materials like concrete and might therefore also be suited for wood. To be able to optimise the treatment process and perform quality control afterwards, detection techniques of organosilicons in treated wood could be very helpful. Visualisation combining several scanning techniques proved to be suitable for this purpose and with new, more precise technologies being developed, the possibilities will only grow. However, before quantitative determination will be useful for these purposes obstacles related to the accuracy of the chemical analysis need to be overcome. Since fungal attack is of major concern for the performance of a specific element, research was done to determine the fungal resistance of organosilicon treated wood and on methodology how to properly interpret the results. Furthermore care must be taken with the ecotoxicological consequences of the applied products. Therefore a study was devoted to developing a methodology determining on one hand the fungal efficacy of a certain treatment, while on the other hand the impact to the environment of this treatment was estimated. It was found that improving one parameter was often at ...
Organosilicon compounds as potential wood protecting agents
Wood is very diverse and has specific features making it easily distinguishable from other materials. Due to its properties it can be applied both inside and outside, making it a rewarding material to work with. However, when applied outside it is liable to weathering, inducing changes to the wood, like i.e. surface discolouration, dimensional changes or even wood rot, which are not appreciated by end-users. Therefore wood constructors are looking for protection methods of wood, leading to longer service life of their wood products. Since pressure is put on traditional wood preservation due to environmental and health considerations, new treatment technologies aiming at improved wood properties are launched. Besides wood modification technologies, treatments with organosilicon compounds were proposed. These chemicals proved to be suitable for the protection of other building materials like concrete and might therefore also be suited for wood. To be able to optimise the treatment process and perform quality control afterwards, detection techniques of organosilicons in treated wood could be very helpful. Visualisation combining several scanning techniques proved to be suitable for this purpose and with new, more precise technologies being developed, the possibilities will only grow. However, before quantitative determination will be useful for these purposes obstacles related to the accuracy of the chemical analysis need to be overcome. Since fungal attack is of major concern for the performance of a specific element, research was done to determine the fungal resistance of organosilicon treated wood and on methodology how to properly interpret the results. Furthermore care must be taken with the ecotoxicological consequences of the applied products. Therefore a study was devoted to developing a methodology determining on one hand the fungal efficacy of a certain treatment, while on the other hand the impact to the environment of this treatment was estimated. It was found that improving one parameter was often at ...
Organosilicon compounds as potential wood protecting agents
De Vetter, Liesbeth (author) / Van Acker, Joris
2009-01-01
Theses
Electronic Resource
English
DDC:
690
Screening of amine chemicals for use as wood protecting agents I. Quaternary ammonium compounds
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Upper flammability limits of some organosilicon compounds
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