This invention pertains to certain novel red anthraquinone colorant compounds containing one or more ethylenically-unsaturated (e.g., vinyl), photopolymerizable radicals that may be copolymerized (or cured) with ethylenically-unsaturated monomers to produce colored compositions such as colored acrylic polymers. Suitable compositions having the present colorants copolymerized therein include, e.g., polymers produced from acrylate and methacrylate esters, colored polystyrenes, and similar colored polymeric materials derived from other ethylenically-unsaturated monomers. The novel colorants possess good fastness (stability) to ultraviolet (UV) light, good solubility in vinyl monomers and good color strength. The present invention also pertains to processes for preparing the photopolymerizable colorant compounds. The ethylenically unsaturated colorant compounds may be suitable for use in coatings that are applied to wood, glass, paper, metal, thermoplastics and the like.
本发明涉及某些新颖的红色
蒽醌着色剂化合物,其中包含一种或多种
乙烯基不饱和(例如
乙烯基)的光聚合基团,这些基团可以与
乙烯基不饱和单体共聚合(或固化),以产生彩色组合物,例如彩色
丙烯酸聚合物。适当的组合物中包括聚
丙烯酸酯和
甲基丙烯酸酯制成的聚合物,彩色聚
苯乙烯以及从其他
乙烯基不饱和单体中衍生的类似彩色聚合物材料。新颖的
着色剂具有良好的紫外光(UV)稳定性,良好的
乙烯基单体溶解性和良好的色彩强度。本发明还涉及制备光聚合色素化合物的方法。
乙烯基不饱和
着色剂化合物可适用于涂层,该涂层应用于木材、
玻璃、纸张、
金属、热塑性塑料等材料上。