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    • 6. 发明授权
    • Carbon black-dispersed polyamic acid solution composition, and process for producing semiconductive polyimide resin belt therewith
    • 炭黑分散聚酰胺酸溶液组合物及其半导体聚酰亚胺树脂带的制造方法
    • US08303852B2
    • 2012-11-06
    • US12441980
    • 2007-09-18
    • Naoki NishiuraTakashi KuraokaToru Murakami
    • Naoki NishiuraTakashi KuraokaToru Murakami
    • H01B1/06H01B1/24
    • B29C41/04G03G15/162
    • A carbon black-dispersed polyamic acid solution composition that utilizes carbon black excelling in safety and environmental adaptability and excels in the dispersion stability and fluidity of carbon black dispersed in polyamic acid solution, and that realizes high solid content and high carbon black content. An intermediate transfer belt of polyimide, which produces a transfer image of high quality in a color image-forming apparatus, produced from the polyamic acid solution composition. In particular, a carbon black-dispersed polyamic acid solution composition containing a polyamic acid solution obtained by reaction of approximately equimolar amounts of biphenyltetracarboxylic acid dianhydride and an aromatic diamine, and containing a carbon black of 2 to 6% volatile content produced by oil furnace process, wherein the solid content of the solution composition is 23 wt. % or more and wherein the carbon black content of the solid is in the range of 20 to 30 wt. %.
    • 炭黑分散的聚酰胺酸溶液组合物,其利用安全性和环境适应性优异的炭黑,并且分散在聚酰胺酸溶液中的炭黑的分散稳定性和流动性优异,并且实现高固含量和高炭黑含量。 一种聚酰亚胺的中间转印带,其由聚酰胺酸溶液组合物制成,其在彩色成像装置中产生高质量的转印图像。 特别是含有通过大约等摩尔量的联苯四羧酸二酐与芳香族二胺反应而得到的聚酰胺酸溶液并含有通过油炉法制造的挥发分含量为2〜6%的炭黑的炭黑分散聚酰胺酸溶液组合物 ,其中所述溶液组合物的固体含量为23重量%。 %以上,其中固体的炭黑含量在20〜30重量%的范围内。 %。
    • 8. 发明申请
    • CARBON BLACK-DISPERSED POLYAMIC ACID SOLUTION COMPOSITION, AND PROCESS FOR PRODUCING SEMICONDUCTIVE POLYIMIDE RESIN BELT THEREWITH
    • 炭黑分散聚酰胺酸溶液组合物及其制备半导体聚酰亚胺树脂皮带的方法
    • US20090236566A1
    • 2009-09-24
    • US12441980
    • 2007-09-18
    • Naoki NishiuraTakashi KuraokaToru Murakami
    • Naoki NishiuraTakashi KuraokaToru Murakami
    • H01B1/24
    • B29C41/04G03G15/162
    • A carbon black-dispersed polyamic acid solution composition that utilizes carbon black excelling in safety and environmental adaptability and excels in the dispersion stability and fluidity of carbon black dispersed in polyamic acid solution, and that realizes high solid content and high carbon black content. Further, an intermediate transfer belt of polyimide, which produces a transfer image of high quality in a color image-forming apparatus, is provided with the use of the above polyamic acid solution composition. In particular, there is provided a carbon black-dispersed polyamic acid solution composition containing a polyamic acid solution obtained by reaction of approximately equimolar amounts of biphenyltetracarboxylic acid dianhydride and an aromatic diamine, and containing a carbon black of 2 to 6% volatile content produced by oil furnace process, wherein the solid content of the solution composition is 23 wt. % or more and wherein the carbon black content of the solid is in the range of 20 to 30 wt. %.
    • 炭黑分散的聚酰胺酸溶液组合物,其利用安全性和环境适应性优异的炭黑,并且分散在聚酰胺酸溶液中的炭黑的分散稳定性和流动性优异,并且实现高固含量和高炭黑含量。 此外,使用上述聚酰胺酸溶液组合物,提供了在彩色图像形成装置中产生高质量转印图像的聚酰亚胺的中间转印带。 特别地,提供一种炭黑分散聚酰胺酸溶液组合物,其含有通过将近似等摩尔量的联苯四羧酸二酐与芳香族二胺反应而得到的聚酰胺酸溶液,并含有通过以下方法制备的挥发物含量为2〜6%的炭黑 油炉工艺,其中溶液组合物的固体含量为23重量%。 %以上,其中固体的炭黑含量在20〜30重量%的范围内。 %。
    • 10. 发明申请
    • ELECTROPLATING METHOD
    • 电镀方法
    • US20070221506A1
    • 2007-09-27
    • US11682987
    • 2007-03-07
    • Toru Murakami
    • Toru Murakami
    • C25D3/00
    • C25D21/14C25D21/18
    • A cycle of electroplating is repeated in an electroplating bath containing at least one metal ion selected from cobalt, nickel and iron, a buffering agent and a conducting agent by use of a soluble anode. The concentration of the conducting agent in an initially prepared electroplating bath is set at 70 to 95% of a saturated concentration. The electroplating is repeated in such a way that a first replenishment solution containing a buffering agent and a conducting agent at concentrations of 0.5 to 1.2 times the concentrations in the initially prepared electroplating bath and free of the metal ion is added so as to replenish the agents that have been reduced in amount during the course of the electroplating and a concentration of the conducting agent in the electroplating bath after the replenishment of the first replenishment solution is adjusted to 70 to 95% of a saturated concentration thereof. According to the invention, the electroplating can be repeated while keeping the electroplating bath over a long time in a good condition sufficient to provide a plated film having high throwing power and a good appearance, so that there can be stably obtained plated films over a long time without frequent regeneration such as by electrolysis for lowering the concentration of a metal ion in the plating bath, thus being good at economy.
    • 在含有选自钴,镍和铁中的至少一种金属离子的电镀浴,使用可溶性阳极的缓冲剂和导电剂中重复电镀循环。 将初始制备的电镀浴中的导电剂的浓度设定为饱和浓度的70〜95%。 重复电镀,使得添加含有缓冲剂和导电剂的浓度为初始制备的电镀浴中浓度为0.5至1.2倍且不含金属离子的第一补充溶液,以补充试剂 在电镀过程中已经减少量,并且在补充第一补充溶液之后将电镀浴中的导电剂浓度调节为其饱和浓度的70-95%。 根据本发明,电镀可以在保持电镀槽长时间的条件下重复进行,该条件足以提供具有高投掷功率和良好外观的电镀膜,从而能够长时间稳定地获得电镀膜 时间不频繁地再生,例如通过电解来降低电镀浴中的金属离子的浓度,从而经济。