Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Effects of Hydrophilic and Hydrophobic Surface Properties of Polyimide Films on Particle Adhesion and Removal

Poly(imide) 필름의 친수 및 소수 표면특성이 필름의 고형입자 부착과 제거에 미치는 영향

  • Kang, In-Sook (Department of Clothing & Textiles, Changwon National University)
  • 강인숙 (창원대학교 자연과학대학 의류학과)
  • Received : 2015.06.27
  • Accepted : 2015.08.02
  • Published : 2015.08.31
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Abstract

The effects of hydrophilic and hydrophobic surface properties of poly(imide) (PI) films on the adhesion and removal of particles to/from the films were investigated as functions of ionic strength, surfactant concentration, and surfactant type. An $O_2$ plasma treatment and a two-step $O_2+CHF_3$ plasma treatment were used to impart hydrophilicity and hydrophobicity to the PI film, respectively. The contact angle of the PI film treated with $O_2$ plasma decreased with increasing treatment time, while that of PI film treated with $O_2+CHF_3$ plasma increased. Further, surfactant adsorption was higher in the PI film treated with $O_2+CHF_3$ plasma than in the film treated with $O_2$ plasma. Generally, the effects of hydrophilic and hydrophobic surface properties of the films on the adhesion and removal of particles were minimal, while the influence of surfactant concentration on the adhesion and removal of particles was stronger than the effect of other solution parameters. The adhesion of ${\alpha}-Fe_2O_3$ particles to the films and their removal from the films were well correlated with the contact angle and the surfactant adsorption.

Keywords

References

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