Study of Pigment (Copper Phthalocyanine Blue) Dispersion by Micro Pore Analysis Technology

DOI Web Site 1 Citations
  • OKURA Ken
    Pigment Research Laboratory, Dainichiseika Color & Chemicals Mfg. Co., Ltd.;
  • MATSUZAKI Satoru
    Pigment Research Laboratory, Dainichiseika Color & Chemicals Mfg. Co., Ltd.;

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Other Title
  • 顔料(銅フタロシアニンブルー)の細孔分布解析による分散性の検討

Description

Pigment dispersion is one of the biggest important problems in coloring industries. Authors applied the micro pore distribution analysis, proposed by BARRET, and micro pore volume analysis (de Boer, t-plot analysis) to the pigment (copper phthalocyanine blue pigment) dispersion.<BR>Pigment samples with different particle size, different drying conditions and different surf ace character were prepared for the study. Micro pore analysis using N2 gas adsorption and desorption measurement could be good way to estimate the pigment agglomeration structure and the dispersibility of each pigment sample. Pigment dispersion and color strength reading made by ordinary pigment dispersion technique, showed good relation with micro pore analysis.<BR>Samples having lar ge number of micro pores at smaller micro pore size on the distribution curve showed good dispersibility, and larger micro pore volume directly related to the dispersibility of the pigment.

Journal

  • NIPPON KAGAKU KAISHI

    NIPPON KAGAKU KAISHI 1997 (1), 73-81, 1997-01-10

    The Chemical Society of Japan

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