Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Physical Properties of Water Dispersion Polyurethane Resin Based on Ammonium Poly Phosphate and HMDI

폴리인산 암모늄과 HMDI 기반으로 제조된 수분산 폴리우레탄 수지의 물리적 특성 연구

  • Lee, Joo-Youb (Department of fire and Disaster Prevention Engineering, Jungwon University)
  • 이주엽 (중원대학교 융합과학기술대학 소방방재공학전공)
  • Received : 2020.12.04
  • Accepted : 2020.12.17
  • Published : 2020.12.31
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Abstract

In this study, the physical properties of water-dispersible polyurethane resins synthesized with polyammonium phosphate and HMDI were studied by coating film samples and full-grain surfaces. Solvent resistance was found to be unchanged in all samples, and in terms of tensile strength, DPU-AP3 (1.887 kgf/㎟) containing the most ammonium polyphosphate showed the lowest physical properties. The elongation rate was measured as 54 8% in the sample containing a large amount of ammonium polyphosphate. Abrasion resistance was measured as 548 mg.loss of a sample containing a lot of ammonium polyphosphate, and it was confirmed that the physical properties of the blended resin of ammonium polyphosphate and water-dispersible polyurethane were changed.

본 연구에서는 폴리인산암모늄 인산염과 HMDI로 합성된 수분산 폴리우레탄수지의 물리적 특성을 필름 시료와 피혁(Full-Grain) 표면에 코팅을 하여 물리적 특성 변화를 연구하였다. 내용제성은 모든 시료에서 변확 없음을 확인 할수 있었으며, 인장강도의 경우 폴리인산암모늄이 가장 많이 함유된 DPU-AP3(1.887 kgf/㎟)가 가장 낮은 물성을 보였다. 연실율은 폴리인산암모늄 많이 함유된 시료가 548%로 측정되었다. 내마모성은 폴리인산암모늄이 많이 함유된 시료가 548 mg.loss로 측정되어 폴리인산 암모늄과 수분산 폴리우레탄의 블랜딩된 수지의 물성변화가 확인되었다.

Keywords

References

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