Scheme 1. Stirring conditions of preparing stock solution.
Figure 1. Variance stability(∆BS) graph on concentration of PUD-SiO2(AE 200) 1~5%.
Figure 2. Variance stability(ΔBS) graph on concentration of PUD-SiO2(AE 380) 1~5%.
Figure 3. Variance stability(ΔBS) graph on concentration of PUD-SiO2(OK 412) 1~5%.
Figure 4. FT-IR spectra of PUD-SiO2; (a) PUD, (b) PUD+SiO2(AE200), (c) PUD+SiO2(AE380), (d) PUD+SiO2(OK412).
Figure 5. SEM image of impregnated PET synthetic suede by PUD-SiO2 concentration; (a) 1% AE200, (b) 3% AE200, (c) 5% AE200, (d) 1% AE380, (e) 3% AE380, (f) 5% AE380, (g) 1% OK412, (h) 3% OK412, (i) 5% OK412.
Figure 6. Effect of SiO2 contents on the tear strength.
Figure 7. Effect of SiO2 contents on the tensile strength.
Figure 8. Effect of SiO2 contents on the elongation.
Figure 9. Schematic drawing on the adsorption of dyeing over the surface of PUD-SiO2.
Table 1. Properties of silica(SiO2)
Table 2. Specimen of PET tricot fabric
Table 3. Specimen of PET tricot fabric
Table 4. Colorimetric result of fastness by each type and concentration of SiO2
Table 5. Water repellency by each type and concentration of SiO2
References
- D. Dieterich, Aqueous Emulsions, Dispersions and Solution of Polyurethanes; Synthesis and Properties, Progress in Organic Coatings, 9(3), 281(1981). https://doi.org/10.1016/0033-0655(81)80002-7
- C. Hepburn, "Polyurethane Elastomer", 2nd Ed., Elsevier, London, p.17, 1982.
- S. L. Cooper and A. V. Tobosky, Properties of Linear Elastomer Polyurethane, J. of Applied Polymer Science, 10(12), 1837(1966). https://doi.org/10.1002/app.1966.070101204
- J. S. Yoo and H. J. Chun, Application of Polyurethane Adhesives, Polymer Science Technology, 10(5), 578 (1999).
- E. K. Choe, J. S. Ra, Y. D. Cho, K. B. Song, S. Y. Lee, and G. S. Seok, Chemical Structural Approach to Understand Global Prohibited on Perfluorinated Compounds and their Uses, Textile Coloration and Finishing, 23(3), 134(2016).
- M. M. Schultz, D. F. Barofsky, and J. A. Field, Fluorinated Alkyl Surfactants, Environmental Engineering Science, 20(5), 487(2004). https://doi.org/10.1089/109287503768335959
- J. S. Yoo and H. J. Chun, Application of Polyurethane Adhesives, Polym. Sci. Technol., 10(5), 578(1999).
- D. Dieterich, Aqueous Emulsions, Dispersions and Solution of Polyurethanes; Synthesis and Properties I, Angew. Makromol. Chem., 98, 281(1981).
- S. L. Cooper and A. V. Tobosky, Properties of Linear Elastomer Polyurethane, J. Appl. Polym. Sci., 10, 1837 (1966). https://doi.org/10.1002/app.1966.070101204
- S. Yabushita and Y. Yamamoto, A Study of the Wetfastness of Disperse Dyes, Dyeing Ind. Jpn., 41, 5187 (1997).
- T. Kashiwagi, J. W. Gilman, K. M. Butler, R. H. Harris, J. R. Shields, and A. Asano, Flame Retardant Mechanism of Silica Fel/silica, Fire Mater, 24, 277(2000). https://doi.org/10.1002/1099-1018(200011/12)24:6<277::AID-FAM746>3.0.CO;2-A
- Y. M. Ahn, J. Y. Yoon, C. W. Baek, and Y. K. Kim, Chemical Mechanical Polishing by Colloidal Silicabased Slurry for Micro-scratch Reduction, Wear, 257, 785(2004). https://doi.org/10.1016/j.wear.2004.03.020
- H. Barthel, M. Dreyer, T. G. Gaudig, V. Litvinov, and E. Nikitina, Fumed Silica-rheological Additive for Adhesives, Resins and Paints, Macromol. Symp., 187, 573(2002). https://doi.org/10.1002/1521-3900(200209)187:1<573::AID-MASY573>3.0.CO;2-1
- A. Krysztafkiewicz, S. Binkowski, and T. Jesionowski, Absorption of Dyes on a Silica Surface, Applied Surface Science, 199(1), 31(2002). https://doi.org/10.1016/S0169-4332(02)00248-9
- C. H. Yang, F. J. Liu, Y. P. Liu, and W. T. Liao, Hybrids of Colloidal Silica and Waterborne Polyurethane, J. Colloid Interface Sci., 302, 123(2006). https://doi.org/10.1016/j.jcis.2006.06.001
- S. M. Lai and S. D. Liu, Properties and Preparation of Thermoplastic Polyurethane/Silica Hybrids Using a Modified Sol-Gel Process, Polym. Eng. Sci., 47(2), 77 (2007). https://doi.org/10.1002/pen.20669