Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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A Study on the Property Changes by Trihydric Alcohol Addition Reaction and Polyurethane Dispersion Synthesis for Buffalo Leather Coatings

Buffalo Leather 코팅에 대한 수분산 폴리우레탄의 합성 및 3가 알콜 첨가에 의한 물성변화 연구

  • Lee, Joo-Youb (Department of Disaster Management and Safety Engineering, Jungwon University)
  • 이주엽 (중원대학교 이공대학 방재안전공학과)
  • Received : 2015.08.20
  • Accepted : 2015.12.22
  • Published : 2015.12.30
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Abstract

Prepared polyurethane resin for buffalo leather coating on surface was synthesized with addition reaction glycerol which had different mole ratio. Mechanical properties of the synthesized polyurethane resin were measured by the SEM, FT-IR, UTM. Growing concerns in the evnironment-friendly polymer resin, we have synthesized low late obtained solvent water dispersion resin to be coating on buffalo leather. The increase of aliphatic trihydric alcohol glycerol mole %, abrasion resistance and tensile strength had demonstrated reduce properties. On the contrary, elongation and flexibility properties had highly increased. In the result of toluene solvent resistance, there was no effect of increased or decreased by the ratio of glycerol mole %.

Buffalo leather 표면 코팅에 사용된 폴리우레탄 수지에 glycerol의 함유를 mole % 비로 달리하면서 첨가 하였다. 합성된 폴리우레탄 수지의 기계적 특성은 SEM, FT-IR, UTM 등을 이용하여 측정하였다. 친환경적인 고분자 수지의 관심이 고조됨에 따라 용제의 사용을 최소화한 buffalo leather 코팅에 사용되는 수분산 수지를 합성하였다. 지방족 3가 알콜인 glycerol의 mole % 비가 증가함에 따라 내마모도, 인장강도가 감소함을 알 수 있었다. 반대로 연신율, 내굴곡 물성은 증가함을 알 수 있었다. Toluene을 이용한 내용제성 물성측정 결과에는 glycerol의 mole % 증가에 따른 물성 증감 효과는 없었다.

Keywords

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