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http://dx.doi.org/10.12925/jkocs.2002.19.4.9

Preparation and Physical Properties of High-Solids Acrylic/Urea Coatings  

Jung, Choong-Ho (Department of Chemical Engineering, Myongji University)
Kim, Sung-Rae (Department of Chemical Engineering, Myongji University)
Park, Hyong-Jin (Department of Chemical Engineering, Myongji University)
Kim, Myung-Soo (Department of Chemical Engineering, Myongji University)
Park, Hong-Soo (Department of Chemical Engineering, Myongji University)
Park, Shin-Ja (R&D Center, R & C Co. Ltd.)
Publication Information
Journal of the Korean Applied Science and Technology / v.19, no.4, 2002 , pp. 311-319 More about this Journal
Abstract
Environmental friendly acrylic/urea high-solid paint(MUHC) were prepared through the curing reaction of acrylics resin(EBHC) containing 70wt% of solids content and butylated urea curing agent. The synthesis of EBHC Was done at $150^{\circ}C$ for 6 hours, and the results were obtained as follows : $M_{n}=1830{\sim}2190$, $M_{w}$ $3290{\sim}4000$, $M_{w}/M_{n}$=1.80{\sim}1.83$ viscosity=$110{\sim}352$ cps, and conversion=$82{\sim}92$%. After the film was coated with MUHC, the various physical properties were measured. They showed that enhancement of the coating properties such as adhesion, flexibility, abrasion resistance, impact resistance, and water resistance could be expected through introdl1cing caprolactone acrylate component in acrylics resin for the high-solids content acrylics/urea coatings.
Keywords
high solids; acrylic/urea coating; curing agent;
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