phthalocyanine pigments
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phthalocyanine pigments
(¦thal·ō′sī·ə·nən ′pig·məns)
(organic chemistry) A group of light-fast organic pigments with four isoindole groups, (C6H4)C2N, linked by four nitrogen atoms to form a conjugated chain; included are phthalocyanine (blue-green), copper phthalocyanine (blue), chlorinated copper phthalocyanine (green), and sulfonated copper phthalocyanine (green); used in enamels, plastics, linoleum, inks, wallpaper, and rubber goods.
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phthalocyanine pigments
McGraw-Hill Dictionary of Architecture & Construction:
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phthalocyanine pigments
Exceptionally durable, permanent green and blue pigments used in paints, enamels, and plastics.
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