摘译建材用着色材料本文介绍的着色材料能长期维持土木建筑、铺砌材料的色彩。以往给土木建筑、铺砌材料着色，通常采用的方法有两种：一是将着色剂掺混于沥青、水泥中，二是在成形石材、铺路沥青的表面涂刷涂料等着色被膜。上述着色方法存在下述诸问题：如将着色材料掺混... Extract coloring materials for building materials The coloring materials introduced in this article can maintain the color of civil construction and paving materials for a long time. In the past, civil engineering and paving materials were colored. There are two commonly used methods: one is to mix the colorant in asphalt and cement, and the other is to paint the surface of the stone, paving asphalt, etc. The above coloring methods have the following problems: if the coloring material is blended...