公开(公告)号：US20080173216A1

公开(公告)日：2008-07-24

申请号：US12007858

申请日：2008-01-16

申请人： Keisuke Tsutsui ,  Kenichi Yoshizawa ,  Koichi Suda ,  Koji Izumiya

发明人： Keisuke Tsutsui ,  Kenichi Yoshizawa ,  Koichi Suda ,  Koji Izumiya

IPC分类号： C25D3/22 ,  C09D11/10 ,  C09D11/02

CPC分类号： C25D15/02 ,  C09D5/4492

摘要： The present invention is intended to provide a process for forming an electrodeposition coating film, wherein generation of gas pinhole is reduced and coating film appearance is excellent without using a specific resin as a binder resin.The present invention relates a process for forming an electrodeposition coating film having reduction of generation of gas pinhole, comprising a step of electrocoating by immersing an article to be coated in a cationic electrodeposition coating composition, wherein, the cationic electrodeposition coating composition comprises 10 to 30 parts by weight of a pigment comprising zinc oxide based on 100 parts by weight of a solid content of the coating composition, and the content of zinc oxide contained in the pigment is 0.25 to 5 parts by weight based on 100 parts by weight of the pigment.

摘要翻译： 本发明旨在提供一种形成电沉积涂膜的方法，其中气孔针孔的产生减少，涂膜外观优异，而不使用特定的树脂作为粘合剂树脂。 本发明涉及一种形成具有减少气针孔产生的电沉积涂膜的方法，包括通过将待涂覆的制品浸渍在阳离子电沉积涂料组合物中的电泳步骤，其中阳离子电沉积涂料组合物包含10至30 基于100重量份的涂料组合物的固体含量，包含氧化锌的颜料重量份，颜料中所含的氧化锌含量为基于100重量份的颜料为0.25-5重量份 。

公开(公告)号：US06641711B2

公开(公告)日：2003-11-04

申请号：US09930458

申请日：2001-08-16

申请人： Hiroyuki Sakamoto ,  Ichiro Kawakami ,  Koji Izumiya ,  Takao Saito ,  Masahiro Nishio

发明人： Hiroyuki Sakamoto ,  Ichiro Kawakami ,  Koji Izumiya ,  Takao Saito ,  Masahiro Nishio

IPC分类号： C25D550

CPC分类号： C09D5/44

摘要： An electrodeposition coating composition that is excellent in bath stability and that can give a cured film enhanced in hardness and an electrodeposition coating process is provided. An electrodeposition coating composition to be used in an electrodeposition coating process which comprises the electrodeposition step of immersing a substrate in an electrodeposition coating composition and applying a voltage between the substrate as an anode or cathode and a counter electrode to thereby form a film of said electrodeposition coating composition on the surface of the substrate, and the heating step of heating said film obtained in the above electrodeposition step, and said electrodeposition coating composition comprising having electrodeposition potentiality against the curing reaction of said film.

摘要翻译： 提供了一种电泳沉积涂料组合物，其具有优异的浴稳定性并且可以提供硬度提高的固化膜和电沉积涂布方法。 一种用于电沉积涂覆方法的电沉积涂料组合物，其包括将基底浸渍在电沉积涂料组合物中并在作为阳极或阴极的基板和对电极之间施加电压的电沉积步骤，从而形成所述电沉积膜 涂布组合物和在上述电沉积步骤中获得的所述膜的加热步骤，以及包含具有抵抗所述膜的固化反应的电沉积潜能的电沉积涂料组合物。

公开(公告)号：US06262146B1

公开(公告)日：2001-07-17

申请号：US09358839

申请日：1999-07-22

申请人： Hiroyuki Sakamoto ,  Saori Yoshimatsu ,  Ichiro Kawakami ,  Koji Izumiya ,  Toshitaka Kawanami ,  Takao Saito

发明人： Hiroyuki Sakamoto ,  Saori Yoshimatsu ,  Ichiro Kawakami ,  Koji Izumiya ,  Toshitaka Kawanami ,  Takao Saito

IPC分类号： C08K320

CPC分类号： C08G59/1444 ,  C08G59/1483 ,  C08G59/1494 ,  C09D5/4446

摘要： An aliphatic hydrocarbon group-containing resin composition for cationic electrocoating, which comprises a resin having a skeleton of epoxy resin and has a number average molecular weight of 500 to 20,000, and which contains, per 100 grams of the nonvolatile matter in said resin composition, (a) 5 to 400 millimoles of sulfonium group, (b) 80 to 355 millimoles of at least one aliphatic hydrocarbon group containing 8 to 24 carbon atoms and optionally containing unsaturated double bond within its chain, and (c) 10 to 315 millimoles of at least one member selected from among propargyl group and a terminal unsaturated double bond-containing organic group containing 3 to 7 carbon atoms; the total content of said (a), said (b) and said (c) being not more than 500 millimoles per 100 grams of the nonvolatile matter in said resin composition.

摘要翻译： 一种含有脂肪族烃基的阳离子电泳用树脂组合物，其含有具有环氧树脂骨架，数均分子量为500〜20000的树脂，并且其含有每100克所述树脂组合物中的不挥发成分， （a）5至400毫摩尔锍基，（b）80至355毫摩尔至少一种含有8至24个碳原子的脂族烃基，并且其链内任选含有不饱和双键，和（c）10-315毫摩尔 选自炔丙基和含有3〜7个碳原子的末端不饱和双键的有机基团中的至少一个; 所述（a），所述（b）和（c）的总含量不超过所述树脂组合物中每100克不挥发物质500毫摩尔。

公开(公告)号：US20090253830A1

公开(公告)日：2009-10-08

申请号：US12309830

申请日：2007-07-30

申请人： Koji Izumiya

发明人： Koji Izumiya

IPC分类号： C09D5/44

CPC分类号： C25D13/00 ,  C08K5/0008 ,  C08K5/053 ,  C09D5/4492 ,  C09D163/00 ,  C08L2666/28

摘要： A method for stably and effectively adding a hydrophobic anti-foaming agent into the electrodeposition paint is achieved by adding an anti-foaming agent into a cationic electrodeposition paint wherein, when adding the anti-foaming agent to a cationic electrodeposition paint, a dispersion obtained by preliminarily dispersing the anti-foaming agent into a pigment dispersing resin for a cation electrodeposition paint in an amount of 5 to 1,000 parts by weight (solid content) based on 100 parts by weight (solid content) of a pigment dispersing resin is added to the cationic electrodeposition paint.

摘要翻译： 通过在阳离子电沉积涂料中加入消泡剂，将阳离子型电沉积涂料中的疏水性消泡剂稳定有效地添加到阳离子电沉积涂料中，通过在阳离子电沉积涂料中添加消泡剂， 将基于100重量份（固体含量）的颜料分散树脂预先将消泡剂分散到用于阳离子电沉积涂料的颜料分散树脂中，其量为5至1,000重量份（固体含量） 阳离子电沉积涂料。

公开(公告)号：US07364645B2

公开(公告)日：2008-04-29

申请号：US10702436

申请日：2003-11-07

申请人： Hisaichi Muramoto ,  Koji Izumiya

发明人： Hisaichi Muramoto ,  Koji Izumiya

IPC分类号： C25D13/06

CPC分类号： B05D7/542 ,  B05D1/007 ,  B05D1/34 ,  B05D3/0209 ,  B05D7/587 ,  C09D5/4473

摘要： The present invention provides an improved two-layer coating system. The present invention relates to a process for forming a cured gradient coating film, comprising the steps of: applying an aqueous electrodeposition coating composition comprising at least two resins and a curing agent, on an electrically conductive substrate, heating a electrodeposition coating film to form a layer separation, and then, curing the electrodeposition coating film to form a cured gradient coating film; wherein the resins include one resin component constituting a resin layer (a) in direct contact with air before applying top coating and other resin component constituting a resin layer (b) in direct contact with the electrically conductive substrate, and, wherein a solubility parameter (δa) of a resin component A and a solubility parameter (δb) of a resin component B have a specific relationship.

摘要翻译： 本发明提供一种改进的双层涂布体系。 本发明涉及形成固化的梯度涂膜的方法，包括以下步骤：将包含至少两种树脂和固化剂的水性电沉积涂料组合物涂覆在导电基材上，加热电沉积涂膜以形成 层分离，然后固化电沉积涂膜以形成固化的梯度涂膜; 其中所述树脂包括构成与空气直接接触的树脂层（a）的一种树脂成分，以及构成与所述导电基材直接接触的树脂层（b）的其它树脂成分，并且其中溶解度参数（ 树脂成分A的溶解度参数（deltab）和树脂成分B的溶解度参数（deltab）具有特定关系。