한국응용과학기술학회지 (Journal of the Korean Applied Science and Technology)

  • 제34권1호
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  • Pages.83-90
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  • 2017
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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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비이온 폴리올을 이용한 Garment 코팅용 수분산 폴리우레탄의 합성 및 물성에 관한 연구

A Study on the Synthesis and Properties of Water-Dispersion Polyurethane for Garment Coating Using Nonionic Polyol

  • 이주엽 (중원대학교 이공대학 신재생에너지자원학과)
  • Lee, Joo-Youb (Department of Renewable Energy Engineering, Jungwon University)
  • 투고 : 2017.02.16
  • 심사 : 2017.03.27
  • 발행 : 2017.03.30
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초록

Garment skin leather 표면 코팅에 사용된 폴리우레탄 수지는 polyethylene glycole(PEG)의 함유를 [NCO]/[OH] mole % 비로 달리하면서 합성하였으며, 합성된 폴리우레탄 수지의 기계적 특성은 SEM, FT-IR, UTM 등을 이용하여 측정하였다. 비이온성을 띄고 있는 PEG(poly ethylene glycol)의 [NCO]/[OH] mole % 비가 증가함에 따라 내굴곡성(건식, 습식)의 변화는 없었으며, 내마모도, 인장강도수치가 낮아짐을 알 수 있었다. 반대로 연신율 물성은 증가함을 알 수 있었다. 점도 변화 측정 결과에는 PEG의 [NCO]/[OH] mole % 증가에 따라 점도가 묽어짐을 알 수 있었다.

The polyurethane resin used for the garment skin leather surface coating was synthesized by varying the content of polyethylene glycol (PEG) in [NCO] / [OH] mole % ratio. The mechanical properties of the synthesized polyurethane resin were analyzed by SEM, FT-IR, UTM. As the [NCO] / [OH] mole % ratio of nonionic poly ethylene glycol (PEG) increased, there was no change in flexural resistance (dry, wet) and abrasion resistance and tensile strength measurement value were lowered. In contrast, the elongation property values were increased. The result of viscosity measurement showed that the viscosity became thinner with increasing [NCO] / [OH] mole % of PEG.

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