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http://dx.doi.org/10.17702/jai.2012.13.3.116

Synthesis and Hydrolysis-Resistance Characterization of Waterborne Polyurethane  

Jeong, Booyoung (Korea Institute of Footwear & Leather Technology)
Cheon, Jungmi (Korea Institute of Footwear & Leather Technology)
Chun, Jaehwan (Korea Institute of Footwear & Leather Technology)
Publication Information
Journal of Adhesion and Interface / v.13, no.3, 2012 , pp. 116-120 More about this Journal
Abstract
In this study, waterborne polyurethane was prepared from polyester polyol, $H_{12}MDI$, DMPA and sulfopropylated polypropyleneglycol-${\alpha}$,${\omega}$-diamine (SP). The $T_g$ of waterborne polyurethane was increased as the SP content increased, while it was decreased at the NCO/OH ratio of 1.8. Also the hydrolysis-resistance and tensile strength were increased as the SP content increased. The tensile strength decrement of WPU-SP was 2~5% with the exception of WPU-SP-1.
Keywords
hydrolysis-resistance; polyurethane; ionomer;
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