A type of high-grade pigment that is mainly yellow in color, it has a structure in which two tetrachloroisoindolinone groups are linked symmetrically via various aromatic nuclei. Depending on the type of aromatic nucleus, the color ranges from yellow to orange to red, and it has excellent light fastness and heat resistance. A major characteristic is that it does not bleed (bleed) in organic solvents or plastics, so it is used especially as a high-grade pigment for plastics. [Arai Yoshie] Source: Heibonsha World Encyclopedia, 2nd Edition Information |
黄色を中心とした高級顔料の一種で,テトラクロロイソインドリノン基が各種の芳香核を経て2個対称形に連結した構造をもつ。芳香核の種類により色は黄~橙~赤に及び,耐光堅牢度,耐熱性が大であり,大きな特徴として有機溶媒やプラスチックに対しブリード(にじみ)しない性質があるため,とくにプラスチック用の高級顔料として用いられる。【新井 吉衛】
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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