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http://dx.doi.org/10.17702/jai.2022.23.4.137

Synthesis of UV Curable Polyurethane Adhesives Based on Various Compositions of Mixed Polyol with Improved Adhesion and Flexural Properties  

Won-Young Lee (Department of Polymer Science and Engineering, Pusan National University)
Soo-Yong Park (Department of Polymer Science and Engineering, Pusan National University)
Guni Kim (Korea Institute of Footwear & Leather Technology)
Ildoo Chung (Department of Polymer Science and Engineering, Pusan National University)
Publication Information
Journal of Adhesion and Interface / v.23, no.4, 2022 , pp. 137-143 More about this Journal
Abstract
In this study, the polyurethane acrylates (PUA) resin with good adhesive and flexibility for adhesive for shoes and clothing were synthesized using that poly(tetramethylene adiphate glycol) (PTAd), poly(tetramethylene ether glycol) (PTMG) as polyester polyol and polyether polyol respectively, including 4,4'-methylene diphenyl diisocyanate (MDI), isophorone diisocyanate (IPDI), 1,4-butandiol (1,4-BD), 2-hydroxyethyl methacrylate (2-HEMA) and dibutyl amine (DBA). The effect of polyol blend in the polyurethane acrylate on thermal and mechanical properties, adhesion strength and flexural strength were studied. The glass transition temperature (Tg) of PUA was confirmed in range of -70~-40 ℃. In addition, the glass transition temperature (Tg), decomposition temperature (Td), tensile strength adhesion strength and heat resistance were increased as increasing of PTAd amount while the elongation, water resistance and flexural properties were decreased. The synthesized polyurethane acrylate with 5:5 ratio of PTAd and PTMG indicated the highest adhesion strength and flexural properties.
Keywords
Self-healing; Waterborne; Polyurethane; Polycarbonate; Polyether;
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Times Cited By KSCI : 3  (Citation Analysis)
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