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http://dx.doi.org/10.12925/jkocs.2014.31.2.296

A study on properties and synthesis of polyurethane compound formed hard segments by polyether polyol for lamb skin coat  

Lee, Joo-Youb (Department of Disaster Management and Safety Engineering, Jungwon University)
Nam, Sang-Sung (Department of Resource Recycling and Environmental Engineering, Jungwon University)
Publication Information
Journal of the Korean Applied Science and Technology / v.31, no.2, 2014 , pp. 296-304 More about this Journal
Abstract
For this research, prepared polyurethane dispersion of hard segment type and polyethylene emulsion wax. Use these resin, this article has been analyzed about mechanical properties variation by increasing amount of polyethylene emulsion wax on Lam skin leather and dried film. According to measure data for solvent resistance, PUD had good property. As known in the results, increase of polyethylene wax constant did not influence to big variation of hybrid resin properties. As test of tensile strength, PUD had good tensile characteristic($1.235kg_f/mm^2$) and PUD-EW4 had lowest tensile characteristic($1.022kg_f/mm^2$). As same as tensile characteristic, abrasion test determined PUD(52.225 mg.loss) had highest properties. In elongation case, PUD showed 698 % modulus which was best properties in this experiment.
Keywords
polymer resin; dispersion; polyurethane; leather coatings; wax;
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