Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Water Repellency of Non-fluorinated Acrylate Copolymers Containing a Stearyl Groups

스테아릴기를 함유하는 비불소계 아크릴 공중합체의 발수특성

  • Yu, Ji-sun (Department of Information Communication, Material Convergence Technology) ;
  • Lee, Sung Kyu (Department of Information Communication, Material Convergence Technology) ;
  • Kwark, Young-Je (Department of Information Communication, Material Convergence Technology)
  • 유지선 (숭실대학교 정보통신소재융합학과) ;
  • 이성규 (숭실대학교 정보통신소재융합학과) ;
  • 곽영제 (숭실대학교 정보통신소재융합학과)
  • Received : 2019.05.25
  • Accepted : 2019.06.15
  • Published : 2019.06.30
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Abstract

Non-fluorinated acrylic polymers composed of a hydrophobic monomer with a stearyl group, polar monomer with a hydroxyl group, and curable monomer with an epoxy group were synthesized. The hydrophobicity of the synthesized polymers was confirmed by measuring the water contact angle of the polymer films spin coated on a silicon wafer. The contact angle of water was in the range $99-111^{\circ}$, which indicates a high level of hydrophobicity of the polymer. The poly(ethylene terephthalate) (PET) and cotton fabrics were coated with non-fluorinated acrylic polymer using a simple immersion method. The coated fabric showed a high contact angle of ${\geq}123^{\circ}$. The water repellency of the fabric treated with the polymer was maintained after washing, with the contact angle greater than $117^{\circ}$. The maintenance of water repellency after washing was higher in cotton than in PET, as the hydroxyl groups of cotton cross-linked with the non-fluorinated acrylate polymers to improve its durability.

Keywords

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