常熟彩衣堂彩画蓝色颜料研究

常熟彩衣堂建筑彩画是江南地区古建筑彩画中的杰出代表,可一直存在彩画的部分色彩与传统图案用色难以对应的问题。为明确彩衣堂彩画蓝色颜料的使用情况,在前期研究工作成果的基础上,对采集的样品采用光学显微镜、激光显微拉曼光谱仪、X射线荧光分析仪等进行了综合分析。结果表明彩衣堂彩画使用了蓝色有机颜料花青和矿物颜料石青,蓝色纹样处一般只有作为底色的花青残留,从而使得显现的颜色与传统图案用色无法匹配。

Research on the blue pigment of Changshu Caiyitang coloured paintings

The colored paintings of Changshu Caiyitang are outstanding representative of the architectural color paintings from south of the Yangtze River. However, some of the painting colors did not correlate with the colors in some traditional patterns. In order to identify the blue pigments, a comprehensive study employing microscopy, laser Raman spectrography and Xray fluorescence analysis were done;included in this study is prior preliminary work. The results show that a blue organic pigment (indigo) and a mineral pigment (azurite) were both used in the Caiyitang color paintings. Only indigo, used as a background color, was preserved, resulting in an apparent mismatch with colors in traditional patterns.