Study on the strength of needle-punched nonwoven material made on the basis of sole trader "Miras"

Study on the strength of needle-punched nonwoven material made on the basis of sole trader "Miras"

Автор: Borkulakova Zh.K., Mels M.D., Shardarbek M.Sh., Bitus E.I., Sarybayeva E.E.

Журнал: Вестник Алматинского технологического университета @vestnik-atu

Рубрика: Технология текстиля и одежды, дизайн

Статья в выпуске: 4 (142), 2023 года.

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Coarse sheep wool and wastes from the production of woolen yarns are currently considered to be a special waste that requires large disposal costs due to low market demand. For this reason, wool has serious consequences for the environment. However, this type of raw material is considered a promising insulating natural fiber due to its thermal and acoustic properties. Moreover, wool meets the requirements of environmentally friendly materials that are used for yurts, insulation of buildings, and acoustic insulation for the automotive industry. Nevertheless, the sustainability and energy efficiency of insulation materials are currently evaluated comprehensively. In this context, the correctness of the composition of nonwoven fabric, its thickness and strength characteristics, as well as the number of layers play an important role. The purpose of this work is to study the relationship between strength characteristics and thickness, as well as the number of layers in nonwovens made of 100 % wool mixed with coarse and fine fibers, and to determine the most optimal variant of insulating nonwovens. 4 samples of one, two, three and four-layered materials were used in the study. The tested samples of insulating materials were evaluated according to the parameters of breaking load, strength and elongation. The results of the research showed that with an increase in the number of layers of material, there is an increase in the tested two indicators: breaking load and strength. The elongation rates were uneven. Consequently, by examining all three parameters, it was found that the best option is a three-layered nonwoven material.

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Sheep wool, waste reuse, strength, breaking load, nonwoven fabric, natural fiber, insulation material

Короткий адрес: https://sciup.org/140303468

IDR: 140303468   |   DOI: 10.48184/2304-568X-2023-4-36-43

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