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Hydrophobic treatment of wood fibrous thermal insulator by octadecyltrichlorosilane and its influence on hygric properties and resistance against moulds
Department of Building Structures, Faculty of Civil Engineering, Czech Technical University in Prague, Praha 6 Czech Republic.ORCID iD: 0000-0001-6940-3850
Department of Building Structures, Faculty of Civil Engineering, Czech Technical University in Prague, Praha 6 Czech Republic.
Department of Building Structures, Faculty of Civil EngineeringCzech Technical University in PraguePraha 6 Czech Republic.
Department of Building Structures, Faculty of Civil Engineering, Czech Technical University in Prague, Praha 6 Czech Republic.
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2016 (English)In: Composites Part B: Engineering, ISSN 1359-8368, E-ISSN 1879-1069, Composite Part B: Engineering, ISSN 1359-8368, Vol. 106, 285-293 p.Article in journal (Refereed) Published
Abstract [en]

The natural fibrous materials are widely used as thermal insulator for building application. The thermal insulating performance of natural fibrous material are affecting by the high humidity and temperature. Due to high moisture in natural fibrous insulators, they are very susceptible for microorganisms attack as well as the reduction in the thermal insulating properties. In this work, hydrophobic surface treatment was given to the wood fibrous insulator using octadecyltrichlorosilane (OTS). The deposition of OTS monolayers on wood fibers surface was confirmed by X-ray photoelectron microscopy (XPS), scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR) and water contact angle of wood fibers measured by sessile drop method. The influence of hydrophobic treatment on hygric properties of wood fibrous insulator was characterized using especially designed double-climatic set-up. The effectiveness of hydrophobic treated wood fibers towards mould fungi growth was also examined. The hydrophobic treatment improved the hygric properties and effectiveness towards mould significantly.

Place, publisher, year, edition, pages
Netherlands, 2016. Vol. 106, 285-293 p.
Keyword [en]
Wood fibers; Thermal insulator; Hydrophobic treatment; Hygric property; Mould
National Category
Building Technologies
Research subject
Technology (byts ev till Engineering), Civil engineering
Identifiers
URN: urn:nbn:se:lnu:diva-64034DOI: 10.1016/j.compositesb.2016.09.034OAI: oai:DiVA.org:lnu-64034DiVA: diva2:1097021
Available from: 2017-05-21 Created: 2017-05-21 Last updated: 2017-05-21

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Publisher's full texthttp://www.sciencedirect.com/science/article/pii/S1359836816311878

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Kumar, Anuj
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CiteExportLink to record
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Citation style
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