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    • 10. 发明公开
    • VERFAHREN ZUR HERSTELLUNG EINES BESCHICHTUNGSMITTELS
    • 用于生产镀膜设备
    • EP3077462A1
    • 2016-10-12
    • EP14816127.6
    • 2014-12-03
    • THOR GmbH
    • BAUM, RüdigerHAHN, Peter ErichWUNDER, Thomas
    • C09D5/00
    • The invention relates to a method for producing a coating agent, such as a paint or a plaster, having a 5-chloro-2-methyl-4-isothiazolone content in the range of 0 to 1 ppm, by using components that would introduce over 1.5 ppm of 5-chloro-2-methyl-4-isothiazolone in total into the coating agent. The method comprises the following steps: a) decomposing the 5-chloro-2-methyl-4-isothiazolone contained in the components of the coating agent by means of at least one compound that decomposes 5-chloro-2-methyl-4-isothiazolone, such that the content of 5-chloro-2-methyl-4-isothiazolone lies in a range of 0 to 1 ppm within a time period of less than 24 hours, b) mixing the individual constituents of the coating agent, which are selected from the group comprising water, binder, pigment, wetting agent, thickener, thixotropic agent, pH-regulating compounds, fillers, and dispersants, among others, and c) adding at least one preservative selected from the group comprising 2-methylisothiazolin-3-one, 1,2-benzisothiazolin-3-one, N-methyl-1,2-benzisothiazolin-3-one, and 2-n-octylisothiazolin-3-one.