한국응용과학기술학회지 (Journal of the Korean Applied Science and Technology)

  • 제37권1호
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  • Pages.49-55
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  • 2020
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  • 1225-9098(pISSN)
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  • 2288-1069(eISSN)
한국응용과학기술학회 (The Korean Society of Applied Science and Technology)
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스플릿 레더 코팅을 위한 폴리 카프로 락톤 디올 기반 수성 폴리 우레탄의 제조 및 물리적 특성

Preparation and Physical Properties of Polycaprolactone Diol-based Water-based Polyurethanes for Split Leather Coatings

  • 이주엽 (중원대학교 소방방재공학전공)
  • Lee, Joo-Youb (Department of Fire and Disaster Prevention Engineering, Jungwon University)
  • 투고 : 2019.02.07
  • 심사 : 2020.02.19
  • 발행 : 2020.02.28
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초록

In this study, isophorone diisocyanate (IPDI) and dimethylolbutanoic acid (DMBA) were used on the basis of poly caprolactone diol (3M, 3.5M, 4M, 4.5M) for the synthesis of water-based polyurethanes for coating on skin layers of leather. Tensile strength, elongation, and adhesive strength of the prepared samples were measured. As a result of measuring the tensile strength, the tensile strength was found to be 4.09 kgf / ㎟ when 3 moles were applied, and 1.071 kgf / ㎟ when 4.5 moles were applied. Elongation was 366 % when 3 moles of PCL were applied, and 709 % at 4.5 moles. Adhesive strength was 2.887 kgf / cm when 3 moles of PCL was applied and 0.998 kgf / cm when 4.5 moles were applied.

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참고문헌

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