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http://dx.doi.org/10.12925/jkocs.2022.39.6.924

Manufacture of Water-borne Biopolyurethane Film Based on Caster Oil and Tri Methylol Propane for Leather Coationg  

Lee Joo-Youb (Department of fire and Disaster Prevention , Jungwon University)
Publication Information
Journal of the Korean Applied Science and Technology / v.39, no.6, 2022 , pp. 924-931 More about this Journal
Abstract
Undenatured castor oil and trimethylolpropane (TMP) were used to obtain bio-based water-based polyurethane. Isophorone diisocyanate (IPDI) was incorporated into the formulation to obtain a transparent film, and ethylenediamine (EDA) was used for chain extension. In order to measure the change in physical properties according to the contents of castor oil and TMP, each tensile strength, elongation, and abrasion resistance test was conducted. As the contents of castor oil and TMP increased, the tensile strength increased, the elongation decreased, and the surface hardened strongly as the respective contents increased.
Keywords
water dispersion; polyurethane; castor oil; trimethylolpropane; leather coating;
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