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http://dx.doi.org/10.12925/jkocs.2020.37.6.1619

Physical Properties of Water Dispersion Polyurethane Resin Based on Ammonium Poly Phosphate and HMDI  

Lee, Joo-Youb (Department of fire and Disaster Prevention Engineering, Jungwon University)
Publication Information
Journal of the Korean Applied Science and Technology / v.37, no.6, 2020 , pp. 1619-1626 More about this Journal
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.
Keywords
Water dispersion; polyurethane; ammonium polyphosphate; leather coating; flame retardant;
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