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Preparation and Properties of Bio-inspired Waterborne Polyurethanes Containing Different Amount of Paraffin Wax

  • Textile Coloration and Finishing
  • Abbr : Text. Color. and Finish.
  • 2018, 30(1), pp.9-19
  • DOI : 10.5764/TCF.2018.30.1.9
  • Publisher : The Korean Society Of Dyers And Finishers
  • Research Area : Engineering > Fiber Engineering > Dyeing Engineering
  • Received : January 31, 2018
  • Accepted : March 23, 2018
  • Published : March 27, 2018

Hye-Lin Kim 1 Ae-Li Kim 1 Young-Hee Lee 1 Sung Yeol Kim 2 Cha-Cheol Park 3 Mohammad Mizanur Rahman 4 Han-Do Kim 1

1Pusan National University
2Kyungpook National University
3Dongseo University
4King Fahd University of Petroleum and Minerals

Accredited

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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