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Effect of process technological parameters of polymer electrospinning and solution properties on the structure and properties of nonwovens


УДК 678.067.9

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abstract


The aim of the article is to determine the influence of electroconductivity, electric current voltage, interelectrode spacing and rheological characteristics of solutions on the structure of non-woven materials and mechanical properties of the materials. When studying the influence of ion forming additives on the process of electrospinning the formation of droplets is revealed when adding the 1 % NaCl. To make faster the fiber production without impairing the quality it is advisable to use 0.2 %–1 % of ion additive. The results show that for optimum fiber forming stable interelectrode gap spacing is 100–200 mm, the voltage of 20–30 kV. At a temperature of 14–17 ºС solution viscosity changes slightly. By increasing the temperature to 25 ºС and above there is a significant drop in viscosity. Hence by temperature increasing more concentrated polymer solutions with a constant viscosity can be used to increase productivity. Analysis of the resulting materials structure shows that the obtained fiber thickness of 60–110 nm with the presence of droplet sizes ranges from 200 nm to 1800 nm.

Effect of process technological parameters of polymer electrospinning and solution properties on the structure and properties of nonwovens

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Выходные данные


Алексеев, И. С. Влияние технологический параметров процесса электроформования полимера и характеристик раствора на структуру и свойства нетканых материалов / И. С. Алексеев, С.Г. Степин, И.А. Дорошенко, Н.И. Миклис // Вестник Витебского государственного технологического университета . ─ 2015. ─ № 29. ─ С. 84.