Prodn. of instant powder paint forming stable homogeneous dispersion

摘要

The prepn. of instant paint powder comprises: (1) making a pigment-extender particle (I) by pressing a pigment grain onto an extender grain in the presence of a surfactant (wetting agent); (2) absorbing an additive concentrate mixt. in liquid and/or pasty form on (I); (3) contacting and mixing (I) with a dispersion powder; and (4) homogenising.