Journal of the Korean Applied Science and Technology (한국응용과학기술학회지)

The Korean Society of Applied Science and Technology (한국응용과학기술학회)
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Preparation and Properties Measurement of 2-hydroxyethyl methacrylate / Water-dispersed polyurethane composites

  • Lee, Joo-Youb (Department of Fire and Disaster Prevention Engineering, Jungwon University)
  • Received : 2018.11.20
  • Accepted : 2018.12.21
  • Published : 2018.12.31
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Abstract

In this study, 2-hedroxyethyl methacrylate (2-HEMA) was graft synthesized on water-dispersed polyurethane using polytetramethylene ether glycoll (PTMG), and then the film of resin was prepared and the physical properties of polyurethane resin were measured. The mechanical properties of the synthesized polyurethane resin were measured by using FT-IR, UTM, adhesion performance measuring instrument. As a result of tensile strength measurement, the tensile strength of HPUD4 with high 2-HEMA content was increased to $5.05kgf/mm^2$, the elongation was measured as 285% of the HPUD1 sample not containing 2-HEMA and adhesive strength of HPUD4 sample was measured at 9.1 sec to 635 psi.

Keywords

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Fig. 1. FT-IR spectra of water dispersion polyurethane.

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Fig. 2. Tensile strength measurement graph of polyurethane dispersion samples containing 2-HEMA.

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Fig. 3. Elongation measurement graph of 2-HEMA grafted polyurethane dispersion samples.

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Fig. 4. Results of measurement of adhesive strength of water-dispersed polyurethane without 2-HEMA.

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Fig. 5. Results of measurement of adhesive strength of water-dispersed polyurethane containing 0.5 mol of 2-HEMA.

Table 1. Polymerization condition of polyurethane dispersion with different 2-HEMA Content

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