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公开(公告)号：EP4431192A1
公开(公告)日：2024-09-18
申请号：EP22892597.0
申请日：2022-10-26
IPC分类号： B05D1/30 , B05D1/38 , B05D3/02 , B05D3/12 , B05D7/00 , B05D7/14 , B05D7/24 , B29C39/12 , B29C39/24 , B29C45/14 , C09D4/02 , C08F2/44
CPC分类号： B05D1/38 , B05D3/02 , B05D1/30 , B05D3/12 , B05D7/00 , B05D7/24 , B05D7/14 , B29C39/12 , B29C39/24 , B29C45/14 , C08F2/44 , C09D4/00
摘要： The purpose of the present disclosure is to provide a method for forming an in-mold coating multi-layer coating film, the method having a low environmental load and making it possible to form an in-mold coating multi-layer coating film having excellent interlayer adhesion between a first in-mold coating film and a second in-mold coating film. This method for forming an in-mold coating multi-layer coating film is configured as follows. The method for forming an in-mold coating multi-layer coating film includes: a step in which a specific first in-mold coating material composition (X) is injected between a molded base material and the inner wall of a first coating mold for a coating film, and an uncured first in-mold coating film is formed; a step in which the uncured first in-mold coating film is heated and cured; a step in which the first coating mold for a coating film is separated from the cured first in-mold coating film surface; a step in which a gap is provided between the cured first in-mold coating film surface and a second coating mold for a coating film; a step in which a specific second in-mold coating material composition (Y) is injected between the cured first in-mold coating film surface and the inner wall of the second coating mold for a coating film; and an uncured second in-mold coating film is formed; and a step in which the uncured second in-mold coating film is heated and cured.
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公开(公告)号：EP4403585A1
公开(公告)日：2024-07-24
申请号：EP22867017.0
申请日：2022-06-16
发明人： KONISHI, Kazushi
IPC分类号： C08F265/00 , C09D5/00 , C09D201/06 , C09D7/65
CPC分类号： C09D7/65 , C08F265/00 , C09D5/00 , C09D201/06
摘要： Provided is a coating composition containing: a hydroxyl group-containing resin (A), a curing agent (B), and cellulose nanocrystal particles (C), where a viscosity (V1) measured under conditions of a temperature of 25°C and a shear rate of 1500 sec-1 is in a range from 10 to 70 mPa·s, and a viscosity (V2) measured under conditions of a temperature of 25°C and a shear rate of 0.1 sec-1 is in a range from 10000 to 50000 mPa·s.
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3.发明公开
公开(公告)号：EP4364861A1
公开(公告)日：2024-05-08
申请号：EP22832912.4
申请日：2022-06-20
发明人： HONDA, Takumu , OHNO, Keita , ONO, Takayuki
IPC分类号： B05D1/36 , C08F290/06 , C09D123/02 , C09D133/14
CPC分类号： C09D133/14 , B05D1/36 , C09D123/02 , C08F290/06
摘要： Provided is an aqueous coating composition excelling in washability of a coating machine used for coating. The aqueous coating composition containing an aqueous polyolefin-based resin (A) and an acrylic resin (B) having an anionic group and a polyoxyalkylene group is disclosed, which is used in a coating process including (1) applying an aqueous coating composition onto an object to be coated using a coating machine and (2) washing the coating machine using alkaline washing water having a pH of 9.5 or more.
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公开(公告)号：EP4269061A1
公开(公告)日：2023-11-01
申请号：EP21910594.7
申请日：2021-12-16
发明人： KOMURA, Katsuto , FUJIWARA, Mizuki
IPC分类号： B29C45/14 , B32B27/18 , B32B27/30 , B32B27/32 , C09D4/02 , C09D5/24 , C09D125/02 , C09D133/06 , C09D201/00 , B29C33/12 , B29C70/00 , C09D7/61 , B32B7/027 , C08J7/04
摘要： A coating composition containing: (A) a polymerizable unsaturated compound having one polymerizable unsaturated group per molecule and having a hydrocarbon group having from 4 to 24 carbons; (B) a polymerizable unsaturated compound having one polymerizable unsaturated group per molecule and having a hydroxyl group; (C) a polymerizable unsaturated compound having two polymerizable unsaturated groups per molecule, a homopolymer of the compound having a glass transition temperature in a range from 100 to 250°C; (D) a polymerizable unsaturated compound having from 3 to 9 polymerizable unsaturated groups per molecule and containing a linear alkylene group that has a total of 6 to 14 carbons and may contain an ester bond; and (E) a polymerization initiator.
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公开(公告)号：EP4130089A1
公开(公告)日：2023-02-08
申请号：EP21774010.9
申请日：2021-03-23
IPC分类号： C08G59/14 , C09D5/44 , C08L33/04 , C09D133/00 , C09D161/04 , C09D161/10 , C09D163/00 , C09D175/00 , C08L63/00 , C08L63/02 , C08G18/00 , C08G18/76 , C08G18/79 , C09D7/63
摘要： An object is to provide an epoxy resin excellent in curability at the time when a low-activity catalyst is used and at low temperature and storage stability and excellent in coating film finished quality and corrosion resistance when constituting a paint. Another object is to provide an aqueous dispersion including the epoxy resin or a modified product thereof dispersed in an aqueous medium, an amino-containing epoxy resin obtained by reacting the epoxy resin and an amine compound, and a cationic electrodeposition paint containing the amino-containing epoxy resin.
As a solution, provided is an epoxy resin obtained by reacting at least a compound having one or more epoxy groups and a compound having a functional group that reacts with the epoxy groups, wherein the epoxy resin satisfies conditions (I) and/or (II) below:
(I) the compound having a functional group that reacts with the epoxy resin includes a trihydric or higher phenol compound and/or a compound including a trifunctional or higher polyisocyanate,
(II) the epoxy resin has an average degree of polyfunctionalization (X1) per molecule, as expressed by Formula (1) below, of 0.30 or more, Average degree of polyfunctionalization X 1 = number of ends per molecule of epoxy resin − 2 .-
公开(公告)号：EP4082675A1
公开(公告)日：2022-11-02
申请号：EP20908117.3
申请日：2020-11-19
发明人： MORI, Kenji , AZUMA, Tatsuya , HIDAKA, Takahiro
IPC分类号： B05D1/36 , B05D7/24 , C09C1/28 , C09C3/10 , C09D133/00 , C09D175/04 , C09D201/10 , C09D7/62 , C09D7/63
摘要： Provided is a coating composition from which a coating film having excellent decontamination properties, scratch resistance, and transparency can be formed. Specifically, provided is a coating composition containing a resin (A) having a hydroxyl group and an alkoxysilyl group, a curing agent (B), and an acrylic resin-coated silica particle (C) dispersion, wherein: the acrylic resin-coated silica particle (C) dispersion is a reaction product of silica particles with a polymerizable unsaturated group (c1) and a polymerizable unsaturated monomer mixture (c2); and the polymerizable unsaturated monomer mixture (c2) contains, as at least a part of components thereof, a polymerizable unsaturated monomer having a polysiloxane structure (c21) and an alkoxysilyl group-containing polymerizable unsaturated monomer (c22).
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公开(公告)号：EP4052808A1
公开(公告)日：2022-09-07
申请号：EP20881911.0
申请日：2020-07-03
发明人： TOMIZAWA, Shigeru
IPC分类号： B05D3/00 , B05D3/02 , B05D5/06 , B05D7/24 , C08F265/06 , C09D133/14 , C08G18/80 , C09D7/63
摘要： Provided is a water-based coating composition capable of exhibiting high coating film performance even when cured at relatively low temperatures. Disclosed is a water-based coating composition including (A) a hydroxyl group-containing resin and (B) a hardener, wherein at least one type of (A) the hydroxyl group-containing resin is a hydroxyl group-containing acrylic resin particle (A1) having a core-shell structure containing a gradient polymer layer.
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公开(公告)号：EP4008755A1
公开(公告)日：2022-06-08
申请号：EP20849677.8
申请日：2020-06-08
IPC分类号： C09D5/02 , C09D133/00 , C09D161/28 , C09D167/00 , C09D7/63
摘要： The present invention provides an aqueous coating composition which is capable of forming a coating film that has excellent cissing resistance and water resistance. An aqueous coating composition which contains (A) at least one hydroxyl group-containing resin that is selected from among (A1) hydroxyl group-containing acrylic resins and (A2) hydroxyl group-containing polyester resins, (B) an oligomer and (C) an alkyl etherified melamine resin, wherein: the oligomer (B) has a number average molecular weight within the range of from 200 to 800 and a solubility parameter within the range of from 10.0 to 13.5; and the molar ratio of methyl groups to butyl groups in the alkyl etherified melamine resin (C), namely (methyl group)/(butyl group) molar ratio is from 50/50 to 0/100.
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公开(公告)号：EP3944093A1
公开(公告)日：2022-01-26
申请号：EP20774598.5
申请日：2020-01-10
发明人： GONTANI Haruyuki , MASUDA Yutaka , ONO Ikumi
IPC分类号： G06F16/242 , G06F16/26
摘要： The present paint color retrieval device (100) is a paint color retrieval device including a computer 2 having a paint color database, in which the paint color database includes paint color basic information having paint color blend information of a paint color, and paint color analysis information analyzed on the basis of a spectral reflectance obtained by measuring the paint color using a multi-angle spectrophotometer. The paint color analysis information may include a colorimetric value for each predetermined observation angle calculated from the spectral reflectance, and a computer graphic image generated from the colorimetric value.
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公开(公告)号：EP3862101A1
公开(公告)日：2021-08-11
申请号：EP21155187.4
申请日：2021-02-04
发明人： GONTANI, Haruyuki , NAKANO, Natsuko
摘要： Provided is a method for forming a multilayer coating film that is capable of forming a multilayer coating film that has pearly luster with excellent blackness and high reflectance of an infrared laser. The method for forming a multilayer coating film includes applying a carbon black pigment-containing first colored paint (X) to form a first colored coating film; applying a second colored paint (Y) containing a pigment (A) that is a transparent or translucent base material coated with a metal oxide to form a second colored coating film; applying a clear paint (Z) to form a clear coating film; and heating the first colored coating film, the second colored coating film, and the clear coating film separately or simultaneously to cure these films, wherein the first colored coating film has a lightness L*(45°) of less than 20, the multilayer coating film has a lightness L*(45°) of less than 20, and the multilayer coating film has a diffuse reflectance of 10% or more at a wavelength of 905 nm.
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