Organic colors related to carcinogenic aromatic amine, especially the important intermediate 3,3' dichloroaniline of organic color are discussed in details.
A water-reducible, opaque, matte-finish paint in which an albuminous or colloidal medium (as egg yolk) is employed as a vehicle instead of oil or varnish.
In order to overcome the disadvantage of low rubfastness of conventional pigment dyeing , a new type covering pigment with ultramicro azo dye as core and acrylate adhesive as shell was presented.