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    • 6. 发明授权
    • Semiconductive silicone rubber roller
    • 半导体硅胶辊
    • US06390961B1
    • 2002-05-21
    • US09589205
    • 2000-06-08
    • Kazuya NakadaTsuneo OhkiFusao Yomoda
    • Kazuya NakadaTsuneo OhkiFusao Yomoda
    • B25F502
    • G03G15/0818G03G2215/0861
    • Disclosed is a semiconductive rubber roller used as a developing roller in a photocopying printer machine exhibiting excellent performance and outstanding durability. The rubber roller is an integral body comprising (a) a shaft of a metallic material, (b) a base rubber layer on and around the shaft formed from a semiconductive silicone rubber having a specified volume resistivity and (c) a cladding layer having a specified thickness on and around the base rubber layer formed from a synthetic resin composition compounded with a specified amount of particles of a dielectric material, such as silica, having a dielectric constant of 2.0 to 8.0 and a specified average particle diameter.
    • 公开了一种在复印机中用作显影辊的半导体橡胶辊,其表现出优异的性能和优异的耐久性。 橡胶辊是一体的主体,其包括(a)金属材料的轴,(b)由具有规定体积电阻率的半导体硅橡胶形成的轴上和周围的基底橡胶层,(c)具有 与由规定量的电介质材料(例如二氧化硅)的介电常数为2.0-8.0和特定平均粒径的合成树脂组合物形成的基底橡胶层上和周围的规定厚度。
    • 7. 发明授权
    • Surface treatment method for aluminum
    • 铝表面处理方法
    • US5498759A
    • 1996-03-12
    • US170246
    • 1993-12-27
    • Kazuya NakadaMasayuki Yoshida
    • Kazuya NakadaMasayuki Yoshida
    • C23C22/44B32B7/12
    • C23C22/44
    • The cleaned surface of an aluminum or aluminum alloy product, for example, aluminum coil, is treated with a 0.5 to 3 second spray of a chromating bath heated to 40.degree. to 60.degree. C., said bath having a pH of 1.0 to 3.0 and containing 0.1 to 3.0 g/L of tungstate ions and/or molybdate ions, 0.5 to 4.0 g/L of hexavalent chromium ions, 5.0 to 30.0 g/L of phosphate ions, and 0.05 to 2.0 g/L of free fluoride ions. A highly corrosion-resistant, highly paint-adherent chromate coating can thereby be formed on the surface of aluminum in less time than that required by prior phosphoric acid-based chromating treatments.
    • PCT No.PCT / US92 / 04698 Sec。 371日期1993年12月27日第 102(e)日期1993年12月27日PCT提交1992年6月11日PCT公布。 公开号WO93 / 00457 日期:1993年1月7日铝或铝合金产品例如铝卷的清洁表面用加热至40℃至60℃的铬酸浴的0.5-3秒喷雾处理,所述浴具有 pH为1.0〜3.0,含有0.1〜3.0g / L的钨酸盐离子和/或钼酸根离子,0.5〜4.0g / L的六价铬离子,5.0〜30.0g / L的磷酸盐离子和0.05〜2.0g / L的游离氟离子。 因此,可以在比现有的磷酸基铬酸盐处理所需的时间更少的时间内在铝的表面上形成高度耐腐蚀,高涂料粘附的铬酸盐涂层。
    • 9. 发明授权
    • Conversion treatment method and composition for aluminum and aluminum
alloys
    • 铝和铝合金的转化处理方法和组成
    • US5451271A
    • 1995-09-19
    • US923889
    • 1992-08-20
    • Masayuki YoshidaKazuya Nakada
    • Masayuki YoshidaKazuya Nakada
    • C23C22/38
    • C23C22/38
    • The paint adhesion and corrosion resistance of surfaces of aluminum and its alloys, particularly when using a paint based on poly{vinyl chloride}, is improved by using a conversion coating solution having a pH in the range from 1.0 to 3.0 and consisting essentially of water and:(A) an amount of phosphate ions that is stoichiometrically equivalent to at least 5.0 g/L of phosphoric acid;(B) at least 1.0 g/L of hexavalent chromium;(C) at least 0.1 g/L of fluoride ions; and(D) a complex fluoride ion component selected from the group consisting of:(i) at least 4.0 g/L of fluosilicate ions,(ii) at least 0.5 g/L of fluoborate ions,(iii) at least 2.0 g/L of fluozirconate ions, and(iv) at least 2.0 g/L of fluotitanate ions.
    • PCT No.PCT / US91 / 00965 Sec。 371日期:1993年8月20日 102(e)日期1993年8月20日PCT 1991年2月13日提交PCT公布。 公开号WO91 / 13186 1991年9月5日,铝及其合金表面,特别是当使用基于聚{氯乙烯}的涂料时,其表面的漆附着力和耐腐蚀性通过使用pH范围为1.0的转化涂层溶液得到改善 至3.0,并且基本上由水组成:(A)一定量的磷酸根离子,其化学计量等于至少5.0g / L的磷酸; (B)至少1.0g / L六价铬; (C)至少0.1g / L的氟离子; 和(D)选自以下的复合氟离子组分:(i)至少4.0g / L的氟硅酸盐离子,(ii)至少0.5g / L的氟硼酸根离子,(iii)至少2.0g / L的氟锆酸根离子,和(iv)至少2.0g / L的氟钛酸根离子。