| 摘要 |
<p>Facilitate the intimate mixing of organic pigments in paints or printing ink by coating the pigment with a protective layer consisting in the case of fatty material, such as was, paraffin, soap, polishes or paint pigments, of 2 parts resin-amine to one part of pigment with an equal amount of linseed oil and in the case of printing inks with 5% amine and 3% phthalic anhydride. Dusting of pigment during production reduced; separation of pigment avoided.</p> |
