Synthesis of Poly[3-hydroxy-2-naphth(m-methacrylamide)anilide], and Red Polymeric Azo Dyes Derived from this Polymer

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  • ポリ[3-ヒドロキシ-2-ナフトエ酸(m-メタクリルアミド)アニリド]の合成と,それから誘導した赤色高分子アゾ色素

Description

New polymeric red dyes were prepared in order to improve bleeding resistance of red azo pigments derived from Naphthol AS series.<BR>First, poly[3]-hydroxy-2-naphth(m-methacrylamide)anilidej[4. ]as a polymeric coupling com ewas prepared bypolymerizationof 3-hydroxy-2-naphth(m-methacrylamide)e ofmethacrylyl anilid synthesized by the reaction of 3-hydroxy-2-naphth(m-amino)anilide [2]ih chloride. When the coupling reaction of pymer[4]with with aromatic diazonium chloride was carried out in aqueous alkali condition, polymeric dyes containing the azo groups were obtained. The content of the dye group was estimated by nitrogen analysis.<BR>While, 4-arYlazo-3-hydroxy-2-naphth(m-isobutyrylamiqe)anilide as the authentic dye was synthesized by coupling reaction of 3-hydroxy-2-naphth(m-isobutyrylamide)anilide prepared from [2] and isobutyryl chloride, with aromatic diazonium chloride.<BR>The polymeric dyes and authentic dyes containing the following groups were prepared,

Journal

  • NIPPON KAGAKU KAISHI

    NIPPON KAGAKU KAISHI 1972 (8), 1480-1485, 1972-08-10

    The Chemical Society of Japan

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