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    • 1. 发明专利
    • Coating method and coated body obtained by the same
    • 涂层方法和涂层方法
    • JP2010142712A
    • 2010-07-01
    • JP2008321238
    • 2008-12-17
    • Toyota Central R&D Labs IncToyota Motor Corpトヨタ自動車株式会社株式会社豊田中央研究所
    • YOMO SHUJITATE KAZUYUKIISHII MASAHIKOKUWANO KAZUYUKI
    • B05D1/36
    • PROBLEM TO BE SOLVED: To provide a coating method which can obtain a laminated coated film with little unevenness in the uppermost layer surface even if two kinds of paints are laminated by a wet-on-wet method and baked, and each layer is hardened to secure high durability, etc. SOLUTION: The coating method includes forming the laminated coated film provided with a lower layer formed on a substrate and the uppermost layer formed on the lower layer. The coating method also includes a process of preparing a thermoset paint containing a base substance resin of 5°C or less in the glass transition temperature as a paint for a lower layer to form the lower layer and of preparing a thermoset paint in which the weight reduction rate in the curing temperature is 0.5 mass% or less as a paint for the uppermost layer to form the uppermost layer, a process of forming an uncured laminated coated film by laminating the paint for the lower layer and the paint for the uppermost layer by a wet-on-wet method on the substrate, and a process of applying a heat treatment to the uncured laminated coated film to cure the paint for the lower layer and the paint for the uppermost layer. COPYRIGHT: (C)2010,JPO&INPIT
    • 待解决的问题:为了提供一种可以获得最上层表面几乎不均匀的层压涂膜的涂布方法,即使通过湿法湿法层压两种涂料并烘烤,并且每层 硬化以确保高耐久性等。解决方案:涂布方法包括形成层叠涂膜,该层压涂膜设置有形成在基板上的下层,而形成在下层上的最上层。 该涂布方法还包括一种在玻璃化转变温度下制备含有5℃或更低的基础物质树脂的热固性涂料作为下层涂料以形成下层并制备热固性涂料的方法,其中重量 固化温度的还原率为最上层的涂料为0.5质量%以下,通过将下层的涂料和最上层的涂料层压而形成未固化的层叠涂膜的工序 基底上的湿法湿法,以及对未固化的层叠涂膜施加热处理以固化下层用涂料和最上层用涂料的工序。 版权所有(C)2010,JPO&INPIT
    • 2. 发明专利
    • Coating method and coated body obtained by the same
    • 涂层方法和涂层方法
    • JP2010082534A
    • 2010-04-15
    • JP2008253922
    • 2008-09-30
    • Toyota Central R&D Labs IncToyota Motor Corpトヨタ自動車株式会社株式会社豊田中央研究所
    • MORI KANJITATE KAZUYUKIKUWANO KAZUYUKI
    • B05D1/36B05D7/24
    • PROBLEM TO BE SOLVED: To provide a coating method for obtaining a layered coating with less unevenness of the uppermost surface even by layering two or more coating materials by wet-on-wet and curing at least the uppermost layer for attaining high durability, and to provide a coated body excellent in the appearance quality obtained by the method.
      SOLUTION: The coating method is for forming a layered coating having at least one underlayer formed on a substrate and an uppermost layer formed on the underlayer and involves preparing a thermosetting type coating material as a coating material for uppermost layers for forming the uppermost layer and as at least one coating material for underlayers for forming the underlayer, a coating material having lost modulus of elasticity of 1 MPa or lower at the time of starting gelation of the coating material for uppermost layers; forming uncured layered coating by layering the coating material for underlayers and the coating material for uppermost layers on a substrate by wet-on-wet; and curing at least the coating material for uppermost layers by carrying out thermal curing treatment for the uncured layered coating.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:即使通过湿式湿法分层两种或更多种涂层材料并至少固化至少最上层以获得高耐久性,提供一种用于获得最上表面的不均匀性较小的层状涂层的涂布方法 并且提供通过该方法获得的外观质量优异的涂布体。 解决方案:涂覆方法是用于形成层状涂层,其具有形成在基底上的至少一个底层和形成在底层上的最上层,并且包括制备热固性涂层材料作为用于形成最上层的最上层的涂层材料 层和用作形成底层的底层的至少一种涂层材料,在最上层的涂料开始凝胶化时,具有1MPa或更低的弹性模量的涂层材料; 通过湿法湿法将底层涂层材料和最上层涂层材料层压在基材上形成未固化的分层涂层; 并通过对未固化的分层涂层进行热固化处理,至少固化最上层的涂层材料。 版权所有(C)2010,JPO&INPIT
    • 3. 发明专利
    • Coating method, and coated object prepared by the same
    • 涂料方法及其制备的涂料物品
    • JP2009034668A
    • 2009-02-19
    • JP2008175088
    • 2008-07-03
    • Toyota Central R&D Labs IncToyota Motor Corpトヨタ自動車株式会社株式会社豊田中央研究所
    • TATE KAZUYUKINARITA TAKESHIKODAMA SATOSHIKUWANO KAZUYUKI
    • B05D1/36
    • PROBLEM TO BE SOLVED: To provide a coating method by which a laminated coating film can be obtained with its uppermost layer having a surface of slight unevenness even if the uppermost layer and one or more of lower layer(s) are cured by baking after laminating two or more species of paint by a wet-on-wet method. SOLUTION: The coating method for forming a laminated coating film comprising at least a lower layer and an uppermost layer formed on a substrate includes: a step of preparing, as paint for forming the uppermost layer, thermosetting paint that has a curing temperature T T of ≥40°C and ≤200°C and does not generate a volatile matter upon being subjected to a heat treatment, and further preparing thermosetting paint for the lower layer, which has a curing temperature T U satisfying the following equation (1): T U ≤T T -30 (wherein T U is a curing temperature [°C] of the paint for the lower layer, and T T is a curing temperature [°C] of the paint for the uppermost layer) as at least one of the paint for forming the lower layer; a step of forming an uncured laminated coating film by laminating the paint for the lower layer and the paint for the uppermost layer on the substrate using a wet-on-wet method; a step of setting T L (a temperature [°C] for lower-temperature heating) and T H (a temperature [°C] for higher-temperature heating) so that T L and T H are each within respective specific temperature ranges; and a step of subjecting the uncured laminated film to a heat treatment at the temperature T L and at least curing the paint for the lower layer to form a laminated coating film where the paint for the uppermost layer is uncured, and further subjecting the resulting uncured laminated coating film where the uppermost layer is uncured to a heat treatment at the temperature T H to cure the paint for the uppermost layer. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种涂覆方法,其中即使最上层和一个或多个下层被固化,也可以通过其最下层和一个或多个下层被固化而形成具有轻微不均匀表面的最上层的层压涂膜 通过湿法湿法层压两种或更多种油漆后进行烘烤。 < P>解决方案:形成层叠涂膜的涂布方法至少包括形成在基材上的下层和最上层包括:制备作为形成最上层的涂料的热固性涂料,其具有固化温度 T T 为≥40℃,≤200℃,经受热处理后不产生挥发性物质,并进一步制备下层的热固性涂料,其具有固化温度T 满足以下等式(1)的 U :其中T U 是 用于下层的涂料的固化温度[℃],T T 是最上层涂料的固化温度[℃]),至少一种用于形成 下层 通过使用湿法湿法在基板上层压下层涂料和最上层涂料来形成未固化的层压涂膜的步骤; 设定T L (较低温度加热的温度[℃])和T H (高温加热的温度[℃])的步骤如此 该T L 和T H 分别在各自的特定温度范围内; 以及将未固化的层压膜在温度T L 下进行热处理的步骤,并且至少固化下层的涂料以形成层压涂膜,其中最上层的涂料未固化 并且进一步对所得到的未固化最上层的未固化层压涂膜进行在温度T H 下的热处理,以固化最上层的涂料。 版权所有(C)2009,JPO&INPIT
    • 4. 发明专利
    • Coating method and coated body obtained by the same
    • 涂层方法和涂层方法
    • JP2010082535A
    • 2010-04-15
    • JP2008253945
    • 2008-09-30
    • Toyota Central R&D Labs IncToyota Motor Corpトヨタ自動車株式会社株式会社豊田中央研究所
    • YOMO SHUJITATE KAZUYUKIKUWANO KAZUYUKI
    • B05D1/36
    • B05D7/574B05D5/063Y10T428/31645Y10T428/31678Y10T428/31692Y10T428/31895Y10T428/31989Y10T428/31993
    • PROBLEM TO BE SOLVED: To provide a coating method by which a laminated coating film with little unevenness of the outermost layer can be obtained even when three or more kinds of coating materials are laminated by a wet-on-wet method and baked to cure each layer.
      SOLUTION: The coating method of forming the laminated coating film provided with a lowermost layer formed on a base material, at least one layer of an intermediate layer formed on the lowermost layer and the outermost layer formed on the intermediate layer includes: a step of preparing a thermosetting coating material as a coating material for the lowermost layer to form the lowermost layer, preparing a thermosetting coating material as a coating material for the intermediate layer to form the intermediate layer, preparing a thermosetting coating material containing a base body resin having ≤5°C glass transition temperature as at least one kind in the thermosetting coating materials for the intermediated layer and preparing a thermosetting coating material as a coating material for the outermost layer to form the outermost layer; a step of laminating the coating material for the lowermost layer, the coating material for the intermediate layer and the coating material for the outermost layer by a wet-on-wet method to form an un-cured laminated coating film on the base material; and a step of heating the uncured laminated coating film to cure the coating material for the lowermost layer, the coating material for the intermediate layer and the coating material for the outermost layer.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种涂布方法,即使通过湿法湿式法层压三种或更多种涂层材料,也可以获得最外层的几乎不均匀的层压涂膜,并且烘烤 治愈每一层。 解决方案:形成在基材上形成的最下层的层压涂膜的形成方法,形成在最下层的中间层和形成在中间层上的最外层的至少一层包括: 制备作为最下层的涂层材料的热固性涂层材料以形成最下层的步骤,制备作为中间层形成中间层的涂层材料的热固性涂层材料,制备含有基体树脂的热固性涂层材料 在中间层的热固性涂层材料中具有至少一种≤5℃的玻璃化转变温度,并制备作为最外层的涂层材料的热固性涂层材料以形成最外层; 通过湿法湿式法层压最下层用涂料,中间层用涂料和最外层用涂料的工序,在基材上形成未固化层叠涂膜; 以及对未固化的层叠涂膜进行加热以固化最下层用涂料,中间层用涂料和最外层用涂料的工序。 版权所有(C)2010,JPO&INPIT
    • 5. 发明专利
    • Coating method, and coated object prepared by above method
    • 涂层方法和上述方法制备的涂层物体
    • JP2009034667A
    • 2009-02-19
    • JP2008175087
    • 2008-07-03
    • Toyota Central R&D Labs IncToyota Motor Corpトヨタ自動車株式会社株式会社豊田中央研究所
    • TATE KAZUYUKINARITA TAKESHIKODAMA SATOSHIKUWANO KAZUYUKI
    • B05D1/36
    • PROBLEM TO BE SOLVED: To provide a coating method by which a laminated coating film can be obtained with its uppermost layer having a surface of slight unevenness even if at least the uppermost layer is cured by baking for the purpose of obtaining high durability thereof after laminating two or more species of paint by a wet-on-wet method. SOLUTION: The coating method for forming a laminated coating film comprising at least a lower layer and an uppermost layer formed on a substrate includes: a step of preparing thermally uncurable paint as at least a species of paint for forming the lower layer(s), and further preparing thermosetting paint for forming the uppermost layer; a step of forming an uncured laminated coating film by laminating the paint for the lower layer and the paint for the uppermost layer on the substrate using a wet-on-wet method; and a step of subjecting the uncured laminated coating film to a heat treatment at least to cure the paint for the uppermost layer. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了获得具有轻微不均匀性的表面的最上层,即使至少最上层通过烘烤固化以获得高耐久性,也可以获得层压涂膜的涂布方法 在通过湿法湿式方法层压两种或更多种涂料之后。 < P>解决方案:形成层叠涂膜的涂布方法至少包括形成在基材上的下层和最上层包括:制备至少一种用于形成下层的涂料的热不稳定涂料的步骤( 并进一步制备用于形成最上层的热固性涂料; 通过使用湿法湿法在基板上层压下层涂料和最上层涂料来形成未固化的层压涂膜的步骤; 以及对未固化的层叠涂膜进行热处理至少使第一层的涂料固化的工序。 版权所有(C)2009,JPO&INPIT
    • 6. 发明专利
    • Painting method and coated body obtained thereby
    • 绘画方法和涂层身体
    • JP2010036095A
    • 2010-02-18
    • JP2008201170
    • 2008-08-04
    • Toyota Central R&D Labs IncToyota Motor Corpトヨタ自動車株式会社株式会社豊田中央研究所
    • YOMO SHUJITATE KAZUYUKIKUWANO KAZUYUKIKODAMA SATOSHI
    • B05D1/36B32B27/00
    • PROBLEM TO BE SOLVED: To provide a coating method capable of obtaining a laminated coating film whose uppermost layer surface has scarce irregularities and excellent in adhesion to a base material even if three or more kinds of paints are laminated in a wet-on-wet condition and are baked.
      SOLUTION: The painting method that forms the laminated coating film having the lowermost layer formed on the base material, an intermediate layer of one or more layers formed on the lowermost layer, and the uppermost layer formed on the intermediate layer includes steps of preparing a thermosetting coating material as the lowermost layer coating material to form the lowermost layer, preparing a non-thermosetting coating material that never causes a hardening reaction by heat-treatment at least as one kind of the intermediate coating materials to form the intermediate layer, and preparing a thermosetting coating material as the uppermost layer coating material to form the uppermost layer, a step of forming unhardened laminated coating film by laminating the lowermost, intermediate, and uppermost layer coating materials on the base material in a wet-on-wet condition, and a step of hardening the lowermost and uppermost layer coating materials by performing heat-treatment of the unhardened laminated coating film.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 待解决的问题:为了提供一种能够获得层压涂膜的涂布方法,即使将三层以上的涂料层叠在一起,也可以得到层压涂膜,其最上层表面具有稀少的不规则性和对基材的粘合性优异 - 烘烤条件,并烘烤。 < P>解决方案:形成具有形成在基材上的最下层的层压涂膜,最下层形成的一层或多层的中间层和形成在中间层上的最上层的涂布方法包括以下步骤: 制备作为最下层涂层材料的热固性涂层材料以形成最下层,制备不经由至少一种中间涂层材料热处理形成中间层的硬化反应的非热固性涂层材料, 并制备作为最上层涂层材料的热固性涂层材料以形成最上层;通过在湿润湿条件下将最低层,中间层和最上层涂层材料层叠在基材上形成未硬化层压涂膜的步骤 以及通过对未硬化物进行热处理来硬化最下层和最上层涂层材料的步骤 ned层压涂膜。 版权所有(C)2010,JPO&INPIT
    • 7. 发明专利
    • Coating method and coated article obtained by this method
    • 这种方法获得的涂料方法和涂层物品
    • JP2009208017A
    • 2009-09-17
    • JP2008054675
    • 2008-03-05
    • Toyota Central R&D Labs IncToyota Motor Corpトヨタ自動車株式会社株式会社豊田中央研究所
    • TATE KAZUYUKIMORI KANJINARITA TAKESHINISHIMURA AKIRAKUWANO KAZUYUKIKODAMA SATOSHI
    • B05D1/36B05D7/24
    • PROBLEM TO BE SOLVED: To provide a coating method which can surely obtain a laminated coat almost free from an unevenness in the surface of a top layer, even at least in a case of curing the top layer in order to secure high durability by laminating at least two coating materials in the wet-on-wet coating method, and to provide a coated article with excellent appearance quality obtained by the method. SOLUTION: This coating method is to form a laminated coat with at least, one lower layer formed on a base material and a top layer formed on the lower layer. In this method, the following processes are performed: (1) a process to prepare a curable coating material which forms a crosslinked structure through a chemical reaction, as a coating material for the top layer to form the top layer, and also, a coating material whose relative loss elastic modulus when starting gelation of the coating material for the top layer, is not more than 1s- 2 , as at least one of other coating materials for the lower layer to form the lower layer; (2) a process to form an uncured laminated coat by laminating the coating material for the lower layer and the coating material for the top layer in wet-on-wet coating manner; and (3) a process to cure at least, the coating material for the top layer by applying a curing treatment to the uncured laminated coat. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供一种能够确实获得顶层表面几乎没有凹凸的层叠涂层的涂布方法,即使至少在固化顶层的情况下,为了确保高耐久性 通过在湿式湿式涂布方法中层叠至少两种涂料,并提供通过该方法获得的具有优异外观质量的涂布制品。 解决方案:该涂布方法是形成层叠涂层,其中至少一个下层形成在基材上,顶层形成在下层上。 在该方法中,进行以下处理:(1)通过化学反应制备形成交联结构的可固化涂层材料的方法,作为用于顶层的涂层材料以形成顶层,以及涂层 作为用于顶层的涂层材料的起始凝胶化时的相对损耗弹性模量的材料不超过1s-SP2,作为用于形成下层的其它涂层材料中的至少一种 ; (2)通过以湿式湿式涂布方式层压下层用涂料和上层涂料,形成未固化层压涂层的方法; 和(3)通过对未固化的层压涂层进行固化处理,至少固化顶层的涂层材料的方法。 版权所有(C)2009,JPO&INPIT
    • 10. 发明专利
    • Aggregation-preventive aqueous-dispersion slurry coating material
    • 聚合预防水分散浆料涂料
    • JP2007023260A
    • 2007-02-01
    • JP2006124760
    • 2006-04-28
    • Sanyo Chem Ind LtdToyota Central Res & Dev Lab IncToyota Motor Corpトヨタ自動車株式会社三洋化成工業株式会社株式会社豊田中央研究所
    • MINAKI MASAJIYAMAMOTO YUSUKEKUWANO KAZUYUKITATE KAZUYUKIMORI KANJI
    • C09D201/00C09D5/02C09D7/12C09D201/02
    • PROBLEM TO BE SOLVED: To provide an aqueous-dispersion slurry coating material excellent in storage stability and coating film smoothness. SOLUTION: The aqueous-dispersion slurry coating material is characterized in that it comprises an aqueous medium and, contained therein, resin particles (A) comprising a first resin (a) and resin particles (B) comprising a second resin (b) and that the value of [volume-average particle diameter (DA) of resin particles (A)]/[volume-average particle diameter (DB) of resin particles (B)] is 0.003-0.3. In the aqueous-dispersion slurry coating material, DA is preferably 0.001-3 μm, DB is preferably 0.3-10 μm, the resin (a) preferably has a Tg of 0-100°C, and the resin (b) preferably has a Tg of -50 to 50°C. The coating material preferably further contains a surfactant and a hardener. The resin (a) and resin (b) each preferably comprises at least one resin selected from the group consisting of a polyurethane resin, epoxy resin, vinyl resin, and polyester resin. COPYRIGHT: (C)2007,JPO&INPIT
    • 解决的问题:提供保存稳定性和涂膜平滑性优异的水分散性浆料涂料。 水分散浆料涂料的特征在于其包含水性介质,并且其中含有包含第一树脂(a)的树脂颗粒(A)和包含第二树脂(b)的树脂颗粒(B) ),[树脂粒子(A)的体积平均粒径(DA)] / [树脂粒子(B)的体积平均粒径(DB)]的值为0.003〜0.3。 在水分散性浆料涂料中,DA优选为0.001-3μm,DB优选为0.3〜10μm,树脂(a)的Tg优选为0〜100℃,树脂(b)优选为 Tg为-50〜50℃。 涂料优选还含有表面活性剂和硬化剂。 树脂(a)和树脂(b)各自优选包含至少一种选自聚氨酯树脂,环氧树脂,乙烯基树脂和聚酯树脂的树脂。 版权所有(C)2007,JPO&INPIT