https://orcid.org/0000-0003-4850-9909
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ABSTRACT
The paper presents the results of research concerning three fiber materials – hemp fiber, cellulose fiber and mineral wool as a loose-fill thermal insulation materials. It focused on the study of moisture properties and wettability of these materials. The analysis involved evaluation of moisture sorption in different relative humidity conditions and evaluation of wettability of fibers by contact angle measurement. The study showed that the sorption equilibrium has been achieved at different times, which proves the various nature and properties of the materials. Hemp fibers were less wet than cellulose fiber, but the time needed to stabilize was shorter. The largest contact angles, indicating the strongly hydrophobic properties, were shown by mineral wool. Some samples of hemp and cellulose fibers were characterized by similar contact angles providing high wetting properties.
文摘
介绍了三种纤维材料——大麻纤维、纤维素纤维和矿棉作为疏松填充保温材料的研究成果。重点研究了这些材料的吸湿性和润湿性。该分析涉及在不同相对湿度条件下的吸湿性评价，并通过接触角测量来评价纤维的润湿性。研究表明，吸附平衡在不同时间达到，证明了材料的各种性质和性质。大麻纤维比纤维素纤维湿少，但稳定所需的时间较短。最大的接触角，表明强烈疏水性，表现出矿物棉。一些样品的大麻和纤维素纤维的特征在于类似的接触角，提供高润湿性能。