Journal of the Korean Society of Clothing and Textiles (한국의류학회지)

The Korean Society of Clothing and Textiles (한국의류학회)
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The Effect of Particle Size on the Detergency of Particulate Soil

고형오구 입자크기가 고형오구의 세척성에 미치는 영향

  • Mun, Mi-Hwa (Dept. of Clothing & Textiles, Changwon National University) ;
  • Kang, In-Sook (Dept. of Clothing & Textiles, Changwon National University)
  • 문미화 (창원대학교 자연과학대학 의류학과) ;
  • 강인숙 (창원대학교 자연과학대학 의류학과)
  • Received : 2010.02.02
  • Accepted : 2010.04.07
  • Published : 2010.04.30
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Abstract

This study investigates the effect of particle size on the detergency of particulate soil using an $\alpha-Fe_2O_3$ particle as the model. Monodispersed spherical $\alpha-Fe_2O_3$ particles were prepared by the hydrothermal aging of an acidic $FeCl_3$ and HCl solution. The $\xi$-potential of PET fiber was measured by the streaming potential method. The potential energy of interaction between the particle and fiber was calculated using the heterocoagulation theory for a sphere-plate model. The $\xi$-potential of PET fiber and potential energy of interaction between particles and fiber increased with a decreasing particle size in a DBS solution. However, in the nonionic surfactant solution, the $\xi$-potential signs of PET fiber and $\alpha-Fe_2O_3$ particles were (-) and (+), respectively; there was no repulsive power between the particles and substrate. The adhesion of particles to the fabric increased with increasing particle size in the anionic surfactant solution and their removal from the fabric increased with a decreasing particle size. The adhesion of particles to the fabric and their removal from the fabric was biphasic with a maximum and minimum at 0.1% concentration of the surfactant solution. In the nonionic surfactant solution the adhesion of particles to fabric and their removal from the fabric were greater than the ones in the anionic surfactant DBS solution.

Keywords

References

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