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http://dx.doi.org/10.17702/jai.2021.22.1.22

A Study on the Mechanical Properties and Moisture Control Performance of Diatomite filled Olefin Foams  

Kim, Jae Yang (School of Chemical Engineering, Pusan National University)
Lee, Ji Eun (New project team, KIFLT)
Seong, Dong Gi (School of Chemical Engineering, Pusan National University)
Publication Information
Journal of Adhesion and Interface / v.22, no.1, 2021 , pp. 22-28 More about this Journal
Abstract
Products using diatomaceous earth, which are used in various fields, are optimized for moisture absorption, but have problems such as high hardness, powder flying, and rough surface feel. To improve this, an olefin-based foam having low hardness and high elasticity was prepared by adding an excessive amount of inorganic material using EVA (Ethylene vinyl acetate) having low hardness and excellent elasticity. Diatomaceous earth was added to impart moisture absorption characteristics of the foam, and the moisture absorption/drying characteristics showed a moisture absorption rate of about 10 to 15% and a moisture drying rate of 10 to 70% depending on the content of the diatomaceous earth. Through this study, it was possible to manufacture a water-absorbing olefin-based foam with diatomaceous earth added, and it was confirmed that the diatomaceous earth added to the foam had a great influence on water absorption and dissipation due to its microstructure and characteristics.
Keywords
olefin foam; EVA; diatomite; water absorption;
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