Fibers and Polymers

The Korean Fiber Society (한국섬유공학회)
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Organic Solvent Absorption Characteristics of Split-type Microfiber Fabrics

  • Lee Kwang Ju (Department of Fiber & Polymer Engineering, Center for Advanced Functional Polymers, Hanyang University) ;
  • Kim Seong Hun (Department of Fiber & Polymer Engineering, Center for Advanced Functional Polymers, Hanyang University) ;
  • Oh Kyung Wha (Department of Home Economics Education, Chung-Ang University)
  • Published : 2004.12.01
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Abstract

Split-type nylon/polyester microfiber and polyester microfiber fabrics possess drapeability, softness, bulkiness, and smoothness, so that they can be applied in various industrial fields. In particular, these fabrics are able to absorb various organic solvents, and can be used as clean room materials. To investigate the chemical affinity between solvents and the compositional materials of these fabrics, the contact angle of thermally pressed film fabrics was measured with different solvents. The thermally pressed nylon/polyester fabric films showed a chemical attraction to formamide. The sorption properties of the microfiber fabrics were investigated using a real time testing device, and these tests showed that the sorption behavior was more influenced by the structure of the fibrous assembly than by any chemical attraction. The effect of the fabric density, specific weight, and sample structure on the sorption capacity and rate was examined for various organic solvents. The sorption capacity was influenced by the density and the specific weight of the fibrous assembly, and knitted fabric showed a higher sorption capacity than woven fabric. However, the sorption rate was less affected in lower viscosity solvents. On applying Poiseuille's Law, the lower viscosity solvents showed higher initial sorption rates, and more easily penetrated into the fibrous assembly.

Keywords

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