한국응용과학기술학회지 (Journal of the Korean Applied Science and Technology)

  • 제33권1호
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  • Pages.92-99
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  • 2016
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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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복합폴리올 이용한 Top coat용 수분산 고분자 필름의 합성 및 물리적 특성

A Physical Characteristics and Synthesis of Top Coat Polymeric Dispersion Film by Complex Polyol

  • 이주엽 (중원대학교 이공대학 방재안전공학과)
  • Lee, Joo-Youb (Department of Disaster Management and Safety Engineering, Jungwon University)
  • 투고 : 2016.02.19
  • 심사 : 2016.03.18
  • 발행 : 2016.03.30
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초록

PPG와 PTMG의 몰비를 달리하면서 첨가하여 합성된 폴리우레탄 수지의 물리적 특성을 SEM, FT-IR, UTM을 이용하여 측정하였다. 본 연구를 통해 4개의 메틸렌기를 포함한 PTMG의 몰비가 증가함에 따라 내마모도(60.26 mg.loss), 인장강도($5.24kgf/mm^2$)가 증가함을 알 수 있었다. 반대로 연신율(297 %)은 감소함을 확인 할 수 있었으며. 톨루엔을 이용한 내용제성 물성측정 결과로부터 PTMG의 반응 몰비 증가에 따른 물성 증감 효과는 없었다. 또한 PTMG의 몰비가 증가함에 따라 점도(4.8 cp)가 상승함을 확인 할 수 있었다.

Polyurethane resin used to leather coat was synthesized by the addition reaction of PPG and PTMG with different mole ratios. Physical characteristics of the synthesized polyurethane resin were measured by the SEM, FT-IR and the UTM. Increasing mole ratio of PTMG having four methylene groups caused the increase of abrasion resistance and tensile strength. The elongation was decreased. As we measured the solvent(toluene) resistance of poly urethane resin, it was found the there were no effect of PTMG mole ratios on the phyhsical properties of the resin. The viscosity was increased by ratio of PTMG mole ratio.

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참고문헌

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