Method for Internal Stress Evaluating of Thermosetting Coating Systems

摘要

The present invention relates to a method for measuring the internal stress of the heat-curable coating film, forming the object is applied to the vessel solvent volatilizing speed is measured with cross-linking density of the cured coating film and a thermosetting, cross-linking causes the internal stress of the film accurately by measuring the reaction speed and to evaluate quantitatively and each of the internal stress in the initial evaluation and crack resistance of the coating film of the coating The causes related to the internal stress measurement method of the heat-curable coating film for evaluating the significance of the effect is. ; the invention for achieving the above object is formed of a coating film by coating the thermosetting paint is used as a material for ships In the method for measuring the internal stress generated in the film, ; and measuring the cross-linking reaction rate (R _x ) of the coating; The vapor pressure of the solvent by removing the solvent from the coating using a centrifuge (P _s ) of the measuring step; Measuring a glass transition temperature of the coating material (T _g ) using a thermal analyzer after curing the coating; The data measured in the steps () by substituting the internal stress (IS) measuring an; And that made by its technical base.