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    • 1. 发明专利
    • Method of cutting or grinding brittle material and chip-sticking preventive agent
    • 切割或研磨脆性材料和芯片预防剂的方法
    • JP2007152858A
    • 2007-06-21
    • JP2005354069
    • 2005-12-07
    • Disco Abrasive Syst LtdYushiro Chem Ind Co Ltdユシロ化学工業株式会社株式会社ディスコ
    • ISHIKAWA TAKATOSHITAKAO MASANORITAKEMURA TOMOYOSHISANDO HIDEYUKIYOSHIDA MIKIRYUU ROISENHARADA SEISHI
    • B28D7/02B24B55/00C09K3/14
    • PROBLEM TO BE SOLVED: To provide a method of cutting or grinding brittle materials and a chip-sticking preventive agent by which the sticking of chips or a ground powder generated in machining a brittle material to a workpiece is controlled, the cleaning after machining is made easier and the lowering of a yield due to poor cleaning is avoided.
      SOLUTION: The method of cutting or grinding brittle materials is characterized in that cutting or grinding brittle materials is conducted by using a brittle material-machining auxiliary agent which is obtained by mixing water and a large molecular weight water-soluble cationic polymer with an average weight-average molecular weight of 70-70,000 (e.g. a polyethylene imine, a dicyandiamide, a quaternary ammonium salt and the like), contains the large molecular weight water-soluble cationic polymer in an amount of 5-10,000 ppm and has a pH of 6-9. The method of cutting or grinding brittle materials is favorably applied for cutting or grinding brittle, particularly cutting, precision-polishing and dicing materials including glass, ceramics or silicon.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供一种切削或研磨脆性材料的方法以及防止在对加工脆性材料时产生的切屑或研磨粉末粘附到工件上的防止碎屑的处理, 使加工变得更容易,并且避免了由于清洁不良导致的产量的降低。 解决方案:切削或研磨脆性材料的方法的特征在于,通过使用脆性材料加工辅助剂来进行切削或研磨脆性材料,所述脆性材料加工助剂通过将水和大分子量水溶性阳离子聚合物与 平均重均分子量为70-70,000(例如聚乙烯亚胺,双氰胺,季铵盐等)含有5-10,000ppm的大分子量水溶性阳离子聚合物,并具有 pH为6-9。 切削或研磨脆性材料的方法有利地用于切削或研磨脆性,特别是切割,精密抛光和切割材料,包括玻璃,陶瓷或硅。 版权所有(C)2007,JPO&INPIT
    • 6. 发明专利
    • Aqueous solution of rust-removing agent
    • 清除剂的水溶液
    • JP2013010987A
    • 2013-01-17
    • JP2011143811
    • 2011-06-29
    • Yushiro Chemical Industry Co Ltdユシロ化学工業株式会社
    • TAKEMURA TOMOYOSHIHIWATARI MASACHIKA
    • C23G1/08B08B3/08C11D7/26C11D7/32
    • PROBLEM TO BE SOLVED: To provide an aqueous solution of a rust removing agent that can dissolve an organic acid in high concentration and has a high reaction rate with rust while reducing effect on human bodies and environment.SOLUTION: The aqueous solution of the rust-removing agent contains, based on the whole aqueous solution (100 wt.%): 0.5-25 wt.% of an organic acid (A); an amine in such an amount that a neutralization rate to the organic acid (A) is 100-150%; and further an organic acid (B) and/or an inorganic acid in such an amount that a neutralization rate to the amine is at least 80%, wherein the organic acid (A) is at least one of oxalic acid, sulfamic acid, glycine, malonic acid, succinic acid, malic acid, tartaric acid, citric acid, gluconic acid, glycolic acid, and glyoxylic acid; the organic acid (B) is at least one of acetic acid, formic acid, propionic acid, butyl acid, and methanesulfonic acid; and the inorganic acid is at least one of hydrochloric acid, nitric acid, sulfuric acid, and phosphoric acid.
    • 要解决的问题:提供一种除锈剂的水溶液,其可以高浓度地溶解有机酸并且具有高的反应速率与锈,同时降低对人体和环境的影响。 解决方案:基于整个水溶液(100重量%):0.5-25重量%的有机酸(A),除锈剂的水溶液含有。 胺的含量相对于有机酸(A)的中和率为100〜150%; 还有一种有机酸(B)和/或无机酸,其中胺的中和率至少为80%,其中有机酸(A)是草酸,氨基磺酸,甘氨酸中的至少一种 ,丙二酸,琥珀酸,苹果酸,酒石酸,柠檬酸,葡萄糖酸,乙醇酸和乙醛酸; 有机酸(B)为乙酸,甲酸,丙酸,丁酸,甲磺酸中的至少一种; 无机酸是盐酸,硝酸,硫酸,磷酸中的至少一种。 版权所有(C)2013,JPO&INPIT