Browse > Article
http://dx.doi.org/10.9713/kcer.2017.55.5.586

Synthesis of Eco-Friendly High Solid Acrylic Resins and Curing Properties of Acrylic Urethane Resin Coatings  

Kim, Jin-Wook (Department of Chemical Engineering, Kwangwoon University)
Lee, Dong-Chan (Department of Chemical Engineering, Kwangwoon University)
Choi, Joong-So (Department of Chemical Engineering, Kwangwoon University)
Publication Information
Korean Chemical Engineering Research / v.55, no.5, 2017 , pp. 586-592 More about this Journal
Abstract
In this study, acrylic resins with solids content of 75% were prepared by addition polymerization of n-butyl acrylate (BA), methyl methacrylate (MMA), 2-hydroxypropyl methacrylate (HPMA) and acetoacetoxyethyl methacrylate (AAEM) monomers. At this time, the glass transition temperature ($T_g$) of the acrylic resin was changed to 20, 30 and $40^{\circ}C$, and the hydroxyl value (OH value) was changed to 60, 90 and 120. As a result, the viscosity of acrylic resin increased with increasing $T_g$ and hydroxyl (OH) value. The synthesized acrylic resin was designed to have a high cross-link density to maintain high elasticity and high durability. The crosslinked acrylic resin was used to prepare an acrylic urethane clear coating by curing reaction with a block isocyanate (Desmodur BL-3175). The physical properties of the clear paints were analyzed by measuring viscosity, adhesion, pencil hardness and $60^{\circ}$ specular gloss. Acrylic urethane clear coatings were prepared as specimens and evaluated for various properties to be applied as top coatings for coil coating. The prepared coatings were excellent in adhesion, excellent in $60^{\circ}$ specular gloss and pencil hardness, and eco-friendly.
Keywords
High solids; Addition polymerization; Acrylic resins; Acetoacetoxy group; Block polyisocyanate; Acrylic urethane clear coatings;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
연도 인용수 순위
1 Lee, H. J., Jang, S. H., Chang, S. M. and Kim, J. M., "Study on Polymerization Condition of Water-based Acrylic Adhesion," Korean Chem. Eng. Res., 48(5), 609-614(2010).
2 Kim, J. Y., Yoon, S. M, Park, K., Yoon, S. K., Kil, I. S., Park, H. J. and Rhee, Y. W., "Investigation on Desorption Characteristics of VOCs Adsorbed on Used Activated Carbons Collected From Painting Process," Korean Chem. Eng. Res., 48(6), 752-756(2010).
3 Moon, C. J. and Lee, J. H., "Use of Curdlan as Environmental Friendly Paint Additive," Korean Chem. Eng. Res., 41(5), 675-678(2003).
4 Mahli, D. M., Steffenhagen, M. J., and Glass, J. E., "Spray Applications: Part V. Influence of High Solid Compositions on Coatings Sprayability," J. Coat. Technol. Res., 5(1), 33-43(2008).   DOI
5 Thometzek, P., Freudenberg, U., Meier-Westhues, U. and Yonek, K., "Weather-stable Low-gloss Powder Coatings," J. Coat. Technol., 72(906), 75-79(2000).   DOI
6 Zhang, F., Zhu, H., Yang, W., Wu, Z., Qi, H., He, H., Fan, Z. and Shao, J., "$Al_2O_3/SiO_2$ Films Prepared by Electronbeam Evaporation as UV Antireflection Coatings on 4H-SiC," Appl. Surf. Sci., 254(10), 3045-3048(2008).   DOI
7 Roux, M., Delome, T., Laigle, Y., Chave, T. and Vial, F., "Waterborne Coatings in the Furniture Industry: Meeting Demands for Appearance and Performance," Surf. Coat., Int., 90(8), 365-372 (2007).
8 Kim, B. S., Hong, M. G., Yoo, B. W., Lee, M. G., Lee, W. I. and Song, K. C., "Preparation of Waterborne Polyurethane-acrylic Hybrid Solutions from Different Types of Acrylate Monomers," Korean Chem. Eng. Res., 50(3), 410-416(2012).   DOI
9 Fedrizzi, L., Deflorian, F., Boni, G., and Bonora, P., "EIS Study of Environmentally Friendly Coil Coating Performances," Prog. Org. Coat., 29(1-4), 89-96(1996).   DOI
10 Petit, H., Henry, N., Krebs, A., Uytterhoven, G. and Jong, F., "Ambient Cure High Solids Acrylic Resins for Automotive Refinish Clear Coat Applications," Prog. Org. Coat., 43(1-3), 41-49(2001).   DOI
11 Olsen, J. H., "Water-borne High-solids Exterior Wood Coatings," Surf. Coat. Int., 88(A8), 317-322(2005).
12 Lange, J., Hult, A. and Manson, J. A., "Development of Properties During Cure of Epoxy and Acrylate Coating Materials," ACS symposium series, 648, 200-209(1996).
13 Rector, F. D., Blount, W. W. and Leonard, D. R., "Applications for Acetoacetyl Chemistry in Thermoset Coatings," J. Coat. Technol., 61(771), 31-37(1989).
14 Carretti, E. and Dei, L., "Physicochemical Characterization of Acrylic Polymeric Resins Coating Porous Materials of Artistic Interest," Prog. Org. Coat., 49(3), 282-289(2004).   DOI
15 Slinckx, M., Henry N., Kerbs, A. and Uytterhoeven, G., "Highsolids Automotive Coatings," Prog. Org. Coat., 38(3), 163-173 (2000).   DOI
16 Diakoumakos, C. D., Qi, X., Jones, F. N. and Baghdachi, J., "Synthesis of Acrylic Resins for High-solids Coatings By Solution and Separation Polymerization," J. Coat. Technol., 72(908), 61-70(2000).
17 Kubo, A., "High-solid Paint Formation by Lowering Molecular Weight Distribution of Resins in Coating Materials," Toso Kogaku, 38(8), 284-288(2003).
18 Kim, D. W., Hwang, K. H., Jung, C. H., Wu, J. P. and Park, H. S., "The Preparation and Characteristics of High Solids Acrylic/ Polyisocyanate Coatings," Polym. Korea, 24(4), 520-528(2000).
19 Oldering, P. K. T. and Hayward, G., Resins for surface coatings, Volume II, SITA Technology, London(1987).
20 Kim, M. J., Min, K. B., Kim, S. H., Yoon, J. W., Kwak, S. J., Lee, J. H. and Oh, S. K., "The Effect of Water Resistance in the Primary Coating by Silane Coupling Agents and Amine Synergists," Proc. SPIE, 7135(2), (2008).
21 Pouchert, C. J. and Behnke, J., The Aldrich Library of $^{13}C$ and $^{1}C$ FT-NMR Spectra, Aldrich Chemical, Milwaukee(1993).
22 Jung, C. H., Jo, H. J., Shim, I. W., Park, H. S., Kim, S. J. and Kim, S. K., "Physical Properties of High-solid Coatings with 80% Solid Contents Acrylic Resins Containing Caprolactone Group and HMDI-trimer," J. Korean Oil Chem. Soc., 23(2), 110-114(2006).