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公开(公告)号：EP3266842B1
公开(公告)日：2020-12-02
申请号：EP16761676.2
申请日：2016-03-04
IPC分类号： C09D163/00 , C09D5/44 , C09D175/04 , C25D13/06
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公开(公告)号：EP3354701A1
公开(公告)日：2018-08-01
申请号：EP16848689.2
申请日：2016-09-23
发明人： MIYAMAE, Nobuhiro , OHTA, Tatsuo
IPC分类号： C09D201/02 , C09C1/00 , C09C3/10 , C09D5/02 , C09D5/44 , C09D7/12 , C09D175/04
CPC分类号： C09C1/00 , C09C3/10 , C09D5/02 , C09D5/44 , C09D7/40 , C09D175/04 , C09D201/02
摘要： The present invention addresses the problem of providing a method for preparing a cationic electrodeposition coating composition that has excellent anti-rust performance in an edge section.
The present invention provides a method for preparing a cationic electrodeposition coating composition that includes a step in which a resin emulsion (i) and a pigment dispersion paste are mixed. The resin emulsion (i) contains an aminated resin (A) and a block isocyanate curing agent (B). The pigment dispersion paste contains a metal compound (C), a pigment dispersion resin (D), and a pigment (E). The metal compound (C) is at least one of a metal oxide and a metal hydroxide containing at least one substance selected from the group consisting of La, Nd, Y, Pr, Yb, and Ce as a metal element.
The pigment dispersion paste is prepared by a step in which the metal compound (C) and the pigment dispersion resin (D) are mixed and the mixture obtained thereby is mixed with the pigment dispersion resin (D) and the pigment (E).-
公开(公告)号：EP3354700A1
公开(公告)日：2018-08-01
申请号：EP16848687.6
申请日：2016-09-23
发明人： TAGO, Yohei , KOTANI, Masayuki , MIYAMAE, Nobuhiro
IPC分类号： C09D201/02 , C09C3/08 , C09C3/10 , C09D5/02 , C09D5/44 , C09D7/12 , C09D175/04
CPC分类号： C09C3/08 , C09C3/10 , C09D5/02 , C09D5/44 , C09D7/40 , C09D175/04 , C09D201/02
摘要： It is an object of the present invention to provide a method for preparing a cationic electrodeposition coating composition which contains a bismuth compound, and is excellent in coating material stability, curability, coating film appearance. The method for preparing a cationic electrodeposition coating composition according to the present invention includes a step of mixing a resin emulsion (i) and a pigment dispersion paste (ii), in which the resin emulsion (i) contains an aminated resin (A) and a blocked isocyanate curing agent (B), the pigment dispersion paste (ii) contains a bismuth mixture liquid (C) containing a bismuth compound (c1), an organic acid (c2) and a solvent; a pigment dispersion resin (D); a polyvalent acid (E); and a pigment (F), the cationic electrodeposition coating composition is prepared by: a bismuth mixture liquid (C) preparing step of mixing the bismuth compound (c1), the organic acid (c2) and the solvent to prepare the bismuth mixture liquid (C); and a pigment dispersion paste (ii) preparing step of mixing the resulting bismuth mixture liquid (C), the pigment dispersion resin (D) and the polyvalent acid (E) to prepare a bismuth dispersion liquid, and then mixing the resulting bismuth dispersion liquid and the pigment (F) to prepare the pigment dispersion paste (ii).
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4.发明公开ELECTRODEPOSITION COATING COMPOSITION AND ELECTRODEPOSITION COATING METHOD 审中-公开ZUSAMMENSETZUNG ZUR ELEKTROPLATTIERUNGSBESCHICHTUNG UND VERFAHREN ZUR ELEKTROPLATTIERUNGSBESCHICHTUNG
公开(公告)号：EP3124564A1
公开(公告)日：2017-02-01
申请号：EP15768905.0
申请日：2015-02-27
发明人： INBE, Toshio , TAGO, Yohei , MIYAMAE, Nobuhiro
IPC分类号： C09D201/00 , C09D5/02 , C09D5/44 , C09D7/12 , C09D163/00 , C25D13/06 , C25D13/10
CPC分类号： C09D5/44 , C08G18/584 , C08G18/8074 , C08G18/8077 , C08G59/184 , C08G59/50 , C08K3/10 , C08K3/24 , C08K2003/2296 , C09D5/08 , C09D5/443 , C09D5/4457 , C09D163/00 , C09D175/02 , C09D175/04 , C09D201/00 , C25D13/06 , C25D13/10 , C25D13/16
摘要： It is an object of the present invention is to provide an electrodeposition coating composition and an electrodeposition coating method that enable the formation of a cured electrodeposition coating film that develops excellent throwing power and exhibits a good appearance. An electrodeposition coating composition of the present invention comprising:
at least one compound (A) selected from the group consisting of a zinc compound (A-1) and a bismuth compound (A-2);
an aminated resin (B); and
a curing agent (C),
wherein
a milligram equivalent (MEQ (A)) of an acid per 100 g of a resin solid content in the composition is 27 or more;
a coulombic efficiency of the composition is 30 mg/C or less;
a film resistance of a 15-µm-thick uncured electrodeposition coating film formed using the composition is 400 kΩ·cm 2 or more; and
a coating film viscosity of an electrodeposition coating film obtained from the composition is 3000 Pa·s or less at 50°C.摘要翻译： 本发明的目的是提供一种电沉积涂料组合物和电沉积涂布方法，其能够形成显影出优异的抛光力并且表现出良好外观的固化电沉积涂膜。 本发明的电沉积涂料组合物包含：至少一种选自锌化合物（A-1）和铋化合物（A-2）的化合物（A）; 胺化树脂（B）; 和固化剂（C），其中组合物中每100g树脂固体含量的酸当量（MEQ（A））为27以上; 组合物的库仑效率为30mg /℃以下; 使用该组合物形成的15μm厚的未固化电沉积涂膜的膜电阻为400kΩ·cm 2以上; 由该组合物得到的电沉积涂膜的涂膜粘度在50℃下为3000Pa·s以下。
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5.发明公开
公开(公告)号：EP4166590A1
公开(公告)日：2023-04-19
申请号：EP21825285.6
申请日：2021-05-25
IPC分类号： C08G59/14 , C09D163/00 , C08G18/58 , C08G18/80 , C09D7/43
摘要： The objective of the present invention is to improve the edge corrosion resistance of a cationic electrodeposition coating composition. The present invention provides a method for producing an epoxy viscous agent for a cationic electrodeposition coating material, the method comprising: (1) an amine modification step in which an amine-modified epoxy resin is obtained by reacting an amine compound and a chain-extended epoxy resin that is obtained by extending a chain of a polyphenol polyglycidyl ether-type epoxy resin and has a material having a relative molecular weight of 100,000 or more in a proportion of 13.0-18.0 mass%, (2) a dispersion step in which a portion or the entirety of an amine group of the obtained amine-modified epoxy resin is neutralized with an acid and dispersed in an aqueous solvent, and (3) a high molecular weight obtaining step in which an obtained dispersion is mixed and reacted with a polyphenol polyglycidyl ether-type epoxy resin to obtain an epoxy viscous agent. Also provided is a cationic electrodeposition coating composition including said epoxy viscous agent.
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公开(公告)号：EP3604465A1
公开(公告)日：2020-02-05
申请号：EP18770308.7
申请日：2018-03-22
IPC分类号： C09D175/04 , C09D5/44 , C09D7/43 , C09D7/61 , C09D163/00 , C25D13/06
摘要： It is a challenge of the present invention to provide a cationic electrodeposition coating composition superior in edge part rust prevention property.
The present invention relates to a cationic electrodeposition coating composition containing a resin emulsion containing an aminated resin (A) and a blocked isocyanate curing agent (B), characterized in that a deposited electrodeposition coating film of the cationic electrodeposition coating composition has a coating film viscosity in a range of 5,000 to 1,000,000 mPa·s at 110°C, and a portion resulting from removal of a resin component from the deposited electrodeposition coating film of the cationic electrodeposition coating composition has a polarity term in a range of 2 to 30 mN/m.-
公开(公告)号：EP3978576A1
公开(公告)日：2022-04-06
申请号：EP20813239.9
申请日：2020-05-25
IPC分类号： C09D5/44 , C09D17/00 , C09D175/04 , C09D201/02 , C09D7/61 , C09D7/63 , C09D7/65
摘要： An object of the present invention is to provide a preparation method for improving the edge part rust prevention property in the preparation of a cationic electrodeposition coating composition containing a bismuth compound as a curing catalyst. The present invention provides a method for preparing a cationic electrodeposition coating composition, including a step of preparing a resin emulsion (i) containing an aminated resin (A) and a blocked isocyanate curing agent (B), a step of preparing a pigment dispersion paste (ii) containing a bismuth-metal oxide mixture liquid (C) containing a bismuth compound (c1), a metal oxide (c2), a monohydroxycarboxylic acid (c3) having 3 to 5 carbon atoms in total and a solvent; a pigment dispersion resin (D); a polyvalent acid (E); and a pigment (F), and a step of mixing the resin emulsion (i) and the pigment dispersion paste (ii).
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公开(公告)号：EP3124564B1
公开(公告)日：2020-10-21
申请号：EP15768905.0
申请日：2015-02-27
发明人： INBE, Toshio , TAGO, Yohei , MIYAMAE, Nobuhiro
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公开(公告)号：EP3467056A1
公开(公告)日：2019-04-10
申请号：EP17806645.2
申请日：2017-05-30
发明人： MIYAMAE, Nobuhiro , OHTA, Tatsuo , INBE, Toshio
IPC分类号： C09D163/00 , C09D5/44 , C09D7/12 , C25D13/10 , C25D15/00
摘要： The present invention addresses the problem of providing a cationic electrodeposition coating composition superior in rust prevention property. The present invention provides a cationic electrodeposition coating composition containing an amine-modified epoxy resin (A), a curing agent (B), a Group-3 element compound (C), and a cationic or nonionic resin (D), wherein the amine-modified epoxy resin (A) has a number-average molecular weight within a range of 1,000 to 5,000, and the cationic or nonionic resin (D) has a number-average molecular weight of 10,000 or more.
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公开(公告)号：EP3266842A1
公开(公告)日：2018-01-10
申请号：EP16761676.2
申请日：2016-03-04
IPC分类号： C09D163/00 , C09D5/44 , C09D7/12 , C09D175/04 , C25D13/06
CPC分类号： C09D5/4446 , C09D5/44 , C09D5/4465 , C09D5/4473 , C09D7/40 , C09D163/00 , C09D175/04 , C25D13/04 , C25D13/06
摘要： The objective of the present invention is to provide a method for preparing a cationic electrodeposition coating composition that contains a bismuth compound and exhibits excellent coating material stability, curability, coating film appearance and the like. The present invention provides a method for preparing a cationic electrodeposition coating composition, which comprises a step for mixing a resin emulsion (i) and a pigment-dispersed paste, and wherein: the resin emulsion (i) contains an aminated resin (A) and a blocked isocyanate curing agent (B); the pigment-dispersed paste contains a bismuth mixture (C) that is obtained by mixing a bismuth compound (c1) and an organic acid (c2) in advance, a pigment-dispersed resin (D), an amine-modified epoxy resin emulsion (ii) that contains an amine-modified epoxy resin (E), and a pigment (F); the pigment-dispersed resin (D) has a hydroxyl number of 20-120 mgKOH/g; and the amine-modified epoxy resin (E) has a hydroxyl number of 150-650 mgKOH/g.
摘要翻译： 本发明的目的是提供一种制备含有铋化合物并具有优异的涂料稳定性，固化性，涂膜外观等的阳离子电沉积涂料组合物的方法。 本发明提供了一种制备阳离子电沉积涂料组合物的方法，该方法包括将树脂乳液（i）和颜料分散糊混合的步骤，其中：树脂乳液（i）含有胺化树脂（A）和 封端异氰酸酯固化剂（B）; 颜料分散糊剂含有预先混合铋化合物（c1）和有机酸（c2）而得到的铋混合物（C），颜料分散树脂（D），胺改性环氧树脂乳液（ ii）含有胺改性环氧树脂（E）和颜料（F）; 颜料分散树脂（D）的羟值为20〜120mgKOH / g， 胺改性环氧树脂（E）的羟值为150〜650mgKOH / g。
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