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10016 Feasibility Study of Rapid Cure Coatings for Marine Environment

Product Number: 51300-10016-SG
ISBN: 10016 2010 CP
Author: Seong-Mo Son, Mong Kyu Chung, Chil Seok Shin and Ki Hong
Publication Date: 2010
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A feasibility study on the application of several kinds of rapid cure coating system to water ballast tank was conducted in terms of curing characteristics and coating performance. The coating systems employed in this study were three types of solvent free rapid cure epoxy coatings, an isocyanate curable polyurethane coating and a polyurea coating system. Polyurethane and polyurea coating were especially formulated for sea water ballast tank service. Based on the study of curing characteristics and coating performance of the polyurethane and polyurea coating system, it was found that lower adhesion strength of the coatings over power tool treated surface and lower surface profile was the result suggesting that additional primer application is needed in order to obtain required adhesion strength. Moreover corrosion resistance of the fast cure coatings especially in water immersion was inferior to that of the required epoxy coatings.

Keywords: rapid cure, isocyanate, polyurethane, polyurea, adhesion, crack resistance, corrosion creep
A feasibility study on the application of several kinds of rapid cure coating system to water ballast tank was conducted in terms of curing characteristics and coating performance. The coating systems employed in this study were three types of solvent free rapid cure epoxy coatings, an isocyanate curable polyurethane coating and a polyurea coating system. Polyurethane and polyurea coating were especially formulated for sea water ballast tank service. Based on the study of curing characteristics and coating performance of the polyurethane and polyurea coating system, it was found that lower adhesion strength of the coatings over power tool treated surface and lower surface profile was the result suggesting that additional primer application is needed in order to obtain required adhesion strength. Moreover corrosion resistance of the fast cure coatings especially in water immersion was inferior to that of the required epoxy coatings.

Keywords: rapid cure, isocyanate, polyurethane, polyurea, adhesion, crack resistance, corrosion creep
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