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    • 4. 发明专利
    • Method for preventing corrosion of cast iron pipe
    • 防止铸钢管腐蚀的方法
    • JP2005342717A
    • 2005-12-15
    • JP2005178068
    • 2005-06-17
    • Dainippon Toryo Co LtdKurimoto Ltd大日本塗料株式会社株式会社栗本鐵工所
    • SAITO MASAHIKODEGUCHI TAKAAKIKAJIWARA YOSHIHISAMICHIURA YOSHISADAYAMADA YOSHIOTAME SHINICHIRO
    • F16L58/08B05D5/00B05D7/14C23C4/08C23C28/00F16L58/10
    • C23C28/00
    • PROBLEM TO BE SOLVED: To provide a method for preventing corrosion of a cast iron pipe by using a coating material which can be coated on the surface of white rust produced in outdoor temporary placing and on white rust produced in steam curing.
      SOLUTION: This method for preventing corrosion of cast iron pipe comprises the steps of (1) thermally spraying zinc, zinc-aluminum pseudoalloy, or zinc-aluminum alloy to form a thermal spray coating layer onto the outer surface of a cast iron pipe, (2) coating an aqueous two-component epoxy emulsion coating material having a solid content of not less than 5% by weight and comprising a first component of an epoxy resin having an epoxy equivalent of 475 to 1,800 and a second component of an amine curing agent having an active hydrogen equivalent (on a solid basis) of 160 to 600 onto the outer surface of the cast iron pipe to form an epoxy resin film, and (3) coating an acrylic emulsion coating material having a solid content of not less than 15% by weight on the epoxy resin film to form an acrylic resin film.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种通过使用可涂覆在户外临时放置产生的白锈表面上的涂层材料和在蒸汽固化中产生的白锈来防止铸铁管的腐蚀的方法。 解决方案:这种防止铸铁管腐蚀的方法包括以下步骤:(1)热喷锌,锌铝合金或锌铝合金,以在铸铁外表面上形成热喷涂层 管,(2)涂布固体含量不小于5重量%的水性双组分环氧乳液涂料,其包含环氧当量为475至1,800的环氧树脂的第一组分和第二组分 具有160至600的活性氢当量(基于固体)的胺固化剂在铸铁管的外表面上形成环氧树脂膜,和(3)涂覆固体含量不高的丙烯酸乳液涂料 在环氧树脂膜上小于15重量%,形成丙烯酸树脂膜。 版权所有(C)2006,JPO&NCIPI
    • 5. 发明专利
    • Cast-iron pipe corrosion prevention method
    • CAST-IRON管道腐蚀预防方法
    • JPH11280986A
    • 1999-10-15
    • JP8386398
    • 1998-03-30
    • Dainippon Toryo Co LtdKurimoto Ltd大日本塗料株式会社株式会社栗本鐵工所
    • SAITO MASAHIKOSUGIMURA SEIJIMICHIURA YOSHISADAYAMADA YOSHIONISHIJIMA TADAHIKO
    • C09D5/02C23C4/08C23F15/00F16L58/02
    • F16L58/02
    • PROBLEM TO BE SOLVED: To provide a good-coating-adhesion cast-iron pipe corrosion prevention method that prevents the deterioration of a primer layer on a preheated pipe and the pipe corrosion even when left outdoor, by taking full advantage in the lightening weight and durability by powder paint coating. SOLUTION: This method contains the following as a process: (A) a process forming a coating layer by thermal spraying of zinc, an alloy of zinc and aluminum, or zinc and aluminum onto the exterior of a cast-iron pipe, (B) a process forming a primer layer coating acrylic resin emulsion primer that contains epoxide resin powder on a surface of a thermal spraying coated layer, (C) a process of preheating the cast-iron pipe, (D) a process of coating with epoxy resin powder paint onto the inside surface of the cast-iron pipe and of hardening thereof by the preheating and forming a powder coating layer, and (E) a process of coating a final paint on a surface of the primer layer and forming a final coating layer.
    • 要解决的问题:为了提供一种良好的涂覆粘合铸铁管道防腐蚀方法,其可以防止预热管道上的底漆层的劣化以及即使在室外时管道腐蚀,充分利用减轻重量和 耐久性粉末涂料涂层。 解决方案:该方法包括以下工序:(A)通过热喷镀锌,锌和铝合金或锌和铝在铸铁管的外部形成涂层的工艺,(B) 一种在热喷涂层的表面上形成含有环氧树脂粉末的底漆层涂布丙烯酸树脂乳液底漆的工艺,(C)预铸铸铁管的工艺,(D)用环氧树脂粉末 通过预热和形成粉末涂层,涂覆在铸铁管的内表面上并进行硬化,以及(E)在底漆层的表面上涂覆最终涂料并形成最终涂层的方法。
    • 6. 发明专利
    • Powder coating material and method for producing the same
    • 粉末涂料及其制造方法
    • JP2004300306A
    • 2004-10-28
    • JP2003095698
    • 2003-03-31
    • Tatsuhiko AizawaDainippon Toryo Co LtdKurimoto LtdMeishin Kk名神株式会社大日本塗料株式会社株式会社栗本鐵工所龍彦 相澤
    • KITAGAWA MASAYOSHIMICHIURA YOSHISADATAKAHARA WATARUYAMAMOTO YOSHIAKISANO HIDEJIAIZAWA TATSUHIKOADACHI TOSHIHIKO
    • C09D201/00C09D5/03
    • PROBLEM TO BE SOLVED: To improve productivity of a powder coating material, and dispersibility of a resin, a pigment, a curing agent and the like which are raw materials therefor.
      SOLUTION: The method for producing the powder coating material comprises mixing the resin, the pigment, the curing agent and the like which are the raw materials for the powder coating material, charging the mixed product in a cavity 1a of a mold 1, and repeatedly adding a load to the mixture by punches 2 and 3 from upper and lower sides, that is, by a bulk mechanical alloying (BMA) method to disperse and mix the raw materials. A melting step by heat becomes unnecessary by dispersing the raw materials by the BMA method to enable constrained conditions of the raw materials therefor to be eliminated. Further, the amount of the curing agent is reduced to make the coating operability excellent by increasing the dispersibility of the curing agent. A low-temperature curable coating material can be designed, and a curing agent which can not be used conventionally can be used to widen the width of selection of the curing agent because the melting step becomes unnecessary.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 待解决的问题:提高作为原料的粉末涂料的生产率和树脂,颜料,固化剂等的分散性。 < P>解决方案:粉末涂料的制造方法包括将作为粉末涂料的原料的树脂,颜料,固化剂等混合,将混合物在模具1的空腔1a内 并且通过上下两侧的冲头2和3,即通过大量机械合金化(BMA)方法向混合物反复添加负荷,以分散和混合原料。 通过用BMA法分散原料而不需要通过加热的熔融步骤,以消除原料的限制条件。 此外,通过降低固化剂的分散性,可以减少固化剂的使用量,使涂布操作性优异。 可以设计低温固化涂层材料,并且可以使用常规不能使用的固化剂来扩大固化剂的选择宽度,因为不需要熔融步骤。 版权所有(C)2005,JPO&NCIPI
    • 10. 发明专利
    • Method for analyzing bonding state of organic film on surface of metal
    • JP2004301535A
    • 2004-10-28
    • JP2003091809
    • 2003-03-28
    • Kenji AzumaKurimoto Ltd健司 東株式会社栗本鐵工所
    • TORII HIDEYAMICHIURA YOSHISADAKITAGAWA MASAYOSHIAZUMA KENJI
    • G01N33/20
    • PROBLEM TO BE SOLVED: To provide a more accurate and rapid behavior analyzing and evaluating method in relation to a process for forming an organic film on the surface of a metal before the synthesis of an organic film compound and a film forming experiment.
      SOLUTION: The potential energies in an atomic or molecular unit of the surface of the metal to be analyzed and the organic film on the surface of the metal are respectively calculated on the basis of a molecular dynamic method by a computer to culculate the most stable structures being the minimum energy values thereof. This calculation is performed using a monomer model as a unit in relation to the organic film and performed in relation to the surface of the metal by constructing the periodic boundary model of a crystal state. Next, the total energy value (=the potential energy value of the periodic boundary model of the surface of the metal-the potential energy value of the monomer model of the organic film) of the most stable structure model wherein the organic film and the periodic boundary model are combined is repeatedly calculated on the basis of molecular kinetics so as to be converged to a definite value to simulate the most stable structure model by the computer. When the total energy value is converged to the definite value, the organic film on the surface of the metal is determined to be stable and the bonded state of the organic film at this time of the behavior reaching the bonded state is analyzed.
      COPYRIGHT: (C)2005,JPO&NCIPI