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首页> 外文期刊>Pro Ligno >TREATMENT OF THERMALLY MODIFIED WOOD WITH A SUSPENSION OF TITANIA NANOPARTICLES TO IMPROVE ITS SELECTED PROPERTIES
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TREATMENT OF THERMALLY MODIFIED WOOD WITH A SUSPENSION OF TITANIA NANOPARTICLES TO IMPROVE ITS SELECTED PROPERTIES

机译：悬浮二氧化钛纳米粒子处理热改性木材以改善其选择性能

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摘要

Results of the research aimed to increase the resistance of beech and thermally modified (TM) beech wood to UV-light and weathering with impregnation with commercially available nano TiO2 suspensions, originally intended to be used as UV protective coating additives, are presented in this paper. Beech wood and TM beech wood samples were vacuum-pressure impregnated with suspensions, containing around 3% of TiO2, and in one series, the specimens were at first impregnated and thermally modified afterwards. In general, resistance to UV-light, as demonstrated by visual observation and by colour measurements was increased. Contact angle of water, liquid water absorption, and water vapour sorption also importantly influence on weathering behaviour of wood and it was shown that in general, impregnation with TiO2 particles has a positive influence with this respect. Anyway, some results of this preliminary research were ambiguous, and subsequent investigations of this novel protection method are needed and planned.
机译：本文提出了旨在提高山毛榉和热改性（TM）山毛榉木材对UV光和耐候性的研究结果，并用市售的纳米TiO2悬浮液浸渍，最初打算用作紫外线防护涂料添加剂。 。用含约3％TiO2的悬浮液对山毛榉木和TM山毛榉木样品进行真空压力浸渍，然后依次对样品进行一系列浸渍和热改性。通常，如通过视觉观察和通过颜色测量所证明的，对紫外线的抵抗力增加了。水的接触角，液体的吸水率和水蒸气的吸收率也对木材的风化行为有重要影响，并且表明，一般而言，用TiO2颗粒浸渍对这方面有积极的影响。无论如何，该初步研究的一些结果是模棱两可的，因此需要并计划对该新颖保护方法进行后续研究。

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