Textile Coloration and Finishing (한국염색가공학회지)

The Korean Society of Dyers and Finishers (한국염색가공학회)
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Preparation and Properties of Bio-inspired Waterborne Polyurethanes Containing Different Amount of Paraffin Wax

  • Kim, Hye-Lin (Department of Organic Material Science and Engineering, Pusan National University) ;
  • Kim, Ae-Li (Department of Organic Material Science and Engineering, Pusan National University) ;
  • Lee, Young-Hee (Department of Organic Material Science and Engineering, Pusan National University) ;
  • Kim, Sung Yeol (School of Mechanical Engineering, Kyungpook National University) ;
  • Park, Cha-Cheol (Division of Energy and Bio Engineering, Dongseo University) ;
  • Rahman, Mohammad Mizanur (Center of Research Excellence in Corrosion, King Fahd University of Petroleum and Minerals) ;
  • Kim, Han-Do (Department of Organic Material Science and Engineering, Pusan National University)
  • Received : 2018.01.31
  • Accepted : 2018.03.23
  • Published : 2018.03.27
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Abstract

To prepare bio-inspired antifouling coating materials having similar structure with lotus, self-crosslinkable waterborne polyurethanes emulsions containing paraffin wax (CWPU/P0, 0.25, 0.5, 1.0, 1.5, 2.0, the number indicated the wt% of wax) were prepared by an emulsifier-free/solvent free prepolymer mixing process. The as-polymerized CWPU/P emulsions containing 0 - 1.00wt% of paraffin wax were found to be stable after 4 months, however, CWPU/P emulsions containing 1.50 and 2.00wt% of paraffin wax were unstable within 1 month storage. Considering the stability of emulsions, the optimum paraffin wax content was found to be about 1wt% to obtain stable antifouling coating emulsion material. The surface topology of CWPU/P film samples was characterized by atomic force microscopy (AFM). This study examined the effect of paraffin wax content on the surface roughness, water contact angle/surface energy, water swelling, light transmittance and tensile properties of CWPU/P film samples.

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References

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