Liquid coating compositions are disclosed having improved whiteness. The compositions may comprise a polyester or alkyd polymer having copolymerized therein a toning amount of (A) a two-component colorant system comprising a blue toner dye and either a red or violet toner dye, or both; or (B) a single-component colorant system comprising a reddish-blue toner dye, optionally including one or more of the red or violet toner dyes. This toner polymer can act as a surfactant or a stabilizer, and may be added prior to an emulsion polymerization, or may be used as an additive in water-borne or solvent-borne coating compositions.
已公开的液体涂料组合物具有更好的白度。这些组合物可包括一种聚酯或醇酸聚合物,其中共聚有以下调色剂:(A) 由蓝色调色剂
染料和红色或紫色调色剂
染料或两者组成的双组分
着色剂体系;或 (B) 由红蓝色调色剂
染料组成的单组分
着色剂体系,可选择包括一种或多种红色或紫色调色剂
染料。这种调色剂聚合物可用作表面活性剂或稳定剂,可在乳液聚合之前加入,也可用作
水性或溶剂型涂料组合物的添加剂。