한국섬유공학회지 (Textile Science and Engineering)

  • 제58권6호
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  • Pages.338-345
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  • 2021
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  • 1225-1089(pISSN)
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  • 2288-6419(eISSN)
한국섬유공학회 (The Korean Fiber Society)
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이성분계 수분산 폴리우레탄의 제조 및 코팅 섬유의 특성 연구

Preparation of Two-component Waterborne Polyurethanes for Textile Coating Applications

  • Kim, Eun Ji (Korea Institute of Footwear & Leather Technology) ;
  • Paik, In Kyu (Korea Institute of Footwear & Leather Technology) ;
  • Park, Jae Hyung (Korea Institute of Footwear & Leather Technology) ;
  • Park, Jong S. (School of Chemical Engineering, Pusan National University)
  • 투고 : 2021.12.06
  • 심사 : 2021.12.21
  • 발행 : 2021.12.31
⟨ 이전 논문 다음 논문 ⟩

초록

Polyurethane (PU) resins are frequently used to impart the durable water repellency to textile fabrics. Organic solvents are generally employed in the dissolution of highly hydrophobic polyols for PU preparation. In doing so, the generation of a large amount of volatile organic compounds (VOCs) is inevitable. Waterborne PU resins have been developed to alleviate the VOC-related environmental pollution issues. Still, their thermal and physical properties are not comparable to those of solvent-type PU resins. In this study, two waterborne PU resins are synthesized using a siloxane-based polyol with thermal stability and flexibility and a carbonate-based polyol exhibiting outstanding physical properties. Various mixture compositions are evaluated to optimize the resulting physical properties. The obtained properties include a decomposition temperature of 342.1 ℃, tensile strength of 5.61 MPa, an elongation of 885%, a light-resistant grade of 4, and an abrasion-resistant grade of 3. In addition, the PU-treated fabric showed a high contact angle and produced excellent water repellent surfaces.

키워드

과제정보

본 연구는 중소벤처기업부와 중소기업기술정보진흥원이 지원하는 "지역특화산업육성사업"(과제번호:S2874947)과 산업통상자원부와 한국산업기술평가관리원이 지원하는 "탄소산업기반조성사업(과제번호:10083576)"으로 수행된 연구결과입니다.

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