Journal of the Japan Society of Colour Material
Online ISSN : 1883-2199
Print ISSN : 0010-180X
ISSN-L : 0010-180X
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Volume 66, Issue 9
Displaying 1-7 of 7 articles from this issue
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  • Sol-Gel Preparation of Organic Colorant-Doped Thin Glass Film and Its Lightfastness
    Hiroyuki NAKAZUMI, Shinya AMANO, Eiji MINATOYA
    1993 Volume 66 Issue 9 Pages 517-522
    Published: September 20, 1993
    Released on J-STAGE: November 20, 2012
    DOIhttps://doi.org/10.4011/shikizai1937.66.517
    JOURNAL FREE ACCESS
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    A colored thin glass layer (0. 1-0. 2 μm thick) was formed on a glass surface by the dippingwithdrawing coating method : A glass plate was immersed in colored coating solutions, which consisted of tetraethoxysilane or methyltriethoxysilane, ethanol, water, and cationic organic dyes in the presence of acid, and withdrawn at 1 mm/s. Cationic dyes, such as triphenylmethane dyes, phenoxazine dye, and phenothiazine dye, can be soluble uniformly by such the silica sol processing conditions. The effects of nickel complexes and matrix gels on the photofading of the colored thin glass films by the irradiation of filtered visible light (>390 nm) using 500 W Xe lamp were studied. It was found that bis (o, o'-diethylphosphorodithiolato) nickel was the most effective in inhibiting the photofading of the thin glass film colored with cationic dyes.
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  • The Grinding Efficiency of a Newly Developed Continuous Annular-Stirred Bead Mill (Part 1)
    Mitsuo KAMIWANO, Meguru KAMINOYAMA, Kazuyoshi ARAI, Yoshitaka INOUE, K ...
    1993 Volume 66 Issue 9 Pages 523-528
    Published: September 20, 1993
    Released on J-STAGE: November 20, 2012
    DOIhttps://doi.org/10.4011/shikizai1937.66.523
    JOURNAL FREE ACCESS
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    We produced a continuous annular-stirred bead mill (Spike mill) for trial and investigated the grinding efficiency of the mill. The mill has a cylindrical rotor with regularly arranged rhombic protuberances on the surface in the grinding chamber. In order to investigate the effect of the shape of the protuberances on wet grinding efficiency, we produced several rotors with protuberances which differed in the angle to the rotational direction of the rotor. Furthermore, with the grinding energy, defined by the energy input per unit solid volume as the grinding energy, the grinding efficiency of the Spike mill was compared with that of a disk-stirred bead mill, which has been widely used in industry. As a result of the grinding tests, it was found that a rotor with the protuberance, the side of which is vertical to the rotational direction of the rotor, has the highest grinding efficiency. It was also found that the Spike mill could yield a product that was fine and had a narrow particle size distribution at a lower grinding energy than the disk-stirred bead mill because the flow behaviour of the feed in the grinding chamber was close to plug flow, i. e., the grinding of the feed through the mill was uniform. Further, we investigated the effect of various grinding factors on the grinding efficiency of the Spike mill.
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  • The Grinding Efficiency of a Newly Developed Continuous Annular-Stirred Bead Mill (Part 2)
    Effect of Various Grinding Factors on Grinding Efficiency
    Mitsuo KAMIWANO, Meguru KAMINOYAMA, Kazuyoshi ARAI, Yoshitaka INOUE, K ...
    1993 Volume 66 Issue 9 Pages 529-533
    Published: September 20, 1993
    Released on J-STAGE: November 20, 2012
    DOIhttps://doi.org/10.4011/shikizai1937.66.529
    JOURNAL FREE ACCESS
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    We produced a continuous annular-stirred bead mill (Spike mill) for trial and investigated the grinding efficiency of the mill. The Spike mill has a cylindrical rotor with regularly arranged rhombic protuberances on the surface in the grinding chamber.
    In this paper, we investigated the effect of various grinding factors, such as gap between the cylindrical rotor and the static vessel, height of the rhombic protuberance, circumferential speed of the rotor, filled ratio of the grinding medium, volumetric solid concentration of the grinding feed and apparent residence time, on the grinding efficiency of the Spike mill and two types of disk-stirred bead mill, which have been widely used in industry.
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  • Some Topics of Imaging Materials-Towards the Coming Age
    Hiroshi KOKADO
    1993 Volume 66 Issue 9 Pages 534-539
    Published: September 20, 1993
    Released on J-STAGE: November 20, 2012
    DOIhttps://doi.org/10.4011/shikizai1937.66.534
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  • Liquid-Crystal Displays and Their Technological Trends
    Hiroo HORI
    1993 Volume 66 Issue 9 Pages 540-549
    Published: September 20, 1993
    Released on J-STAGE: November 20, 2012
    DOIhttps://doi.org/10.4011/shikizai1937.66.540
    JOURNAL FREE ACCESS
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  • Progress of Inkjet Printer
    Masato KATAYAMA
    1993 Volume 66 Issue 9 Pages 550-560
    Published: September 20, 1993
    Released on J-STAGE: November 20, 2012
    DOIhttps://doi.org/10.4011/shikizai1937.66.550
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  • Curing Catalyst
    Akira MATSUYAMA
    1993 Volume 66 Issue 9 Pages 561-570
    Published: September 20, 1993
    Released on J-STAGE: November 20, 2012
    DOIhttps://doi.org/10.4011/shikizai1937.66.561
    JOURNAL FREE ACCESS
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