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http://dx.doi.org/10.17702/jai.2022.23.2.33

Synthesis and Properties of Eco-friendly Waterborne Polyurethane according to Bio-polyol Contents  

Chang, Yoon Hee (Korea Institute of Footwear & Leather Technology)
Jeong, Boo-Young (Korea Institute of Footwear & Leather Technology)
Cheon, JungMi (Korea Institute of Footwear & Leather Technology)
Chun, Jae Hwan (Korea Institute of Footwear & Leather Technology)
Huh, PilHo (Department of Polymer Science and Engineering, Pusan National University)
Publication Information
Journal of Adhesion and Interface / v.23, no.2, 2022 , pp. 33-38 More about this Journal
Abstract
In this study, we report on the synthesis and properties of eco-friendly waterborne polyurethane (WPU) according to bio-polyol contents. It was successfully synthesized by the different polyester polyol (DT-1040) and castor oil based polyol (COP) ratios. The glass transition temperature (Tg) of the synthesized bio polyol based waterborne polyurethane was around -70 ℃ and -30 ℃, and it was confirmed that the Tg range was widened as the COP content increased. In addition, as the COP content increased, the tensile strength decreased, and optimum adhesive strength showed when DT-1040:COP ratio was 7:3.
Keywords
Waterborne polyurethane; Castor oil; Bio polyol; Adhesive;
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Times Cited By KSCI : 1  (Citation Analysis)
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