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    Two-pack water-based one-coat paint composition
    21.
    发明专利
    Two-pack water-based one-coat paint composition 有权
    双层水基单面涂料组合物

    公开(公告)号：JP2014152232A

    公开(公告)日：2014-08-25

    申请号：JP2013022547

    申请日：2013-02-07

    Applicant: Basf Japan Ltd ,  Basfジャパン株式会社

    Inventor： SAITO NAOKI ,  UEKURI YOSHIMASA ,  YAZAKI DAIKI ,  ECHIZEN KAZUAKI ,  SANO MASAHIRO

    IPC: C09D133/00 ,  C09D5/02 ,  C09D167/00 ,  C09D175/04 ,  C09D175/06

    Abstract: PROBLEM TO BE SOLVED: To provide a two-pack water-based one-coat paint composition capable of providing a coating film excellent in appearance, water resistance and chemical resistance.SOLUTION: There is provided the two-pack water-based one-coat paint composition containing an aqueous acrylic resin (A), an aqueous polyester resin (B) and a self emulsifiable isocyanate curing agent (C), the resin (A) has a hydroxyl value of 50 to 150 mgKOH/g, a number average molecular weight of 1,000 to 5,000, the resin (B) has an acid value of 20 to 50 mgKOH/g, a hydroxyl value of 50 to 150 mgKOH/g, a number average molecular weight of 1,000 to 5,000, a solubility parameter of 8.5 to 9.7, and contains a dimer acid component of 10 to 40 mass% in the total monomer composition, the resin (A) and the resin (B) are contained at such a ratio that the content of the resin (A) is 60 to 95 mass% and the content of the resin (B) is 5 to 40 mass% each with respect to the total resin solid component of the resin (A) and the resin (B), and a ratio between the total of the hydroxyl group contained in the resin (A) and the resin (B) and the isocyanate group contained in the curing agent (C) is isocyanate group/hydroxyl group=0.7 to 1.5.

    Abstract translation: 要解决的问题：提供能够提供外观优异，耐水性和耐化学性优异的涂膜的双组分水性单涂料涂料组合物。提供双组分水性单涂层 含有水性丙烯酸树脂（A），水性聚酯树脂（B）和自乳化异氰酸酯固化剂（C）的涂料组合物，树脂（A）的羟值为50〜150mgKOH / g，数均分子量 重量为1,000〜5000，树脂（B）的酸值为20〜50mgKOH / g，羟值为50〜150mgKOH / g，数均分子量为1,000〜5000，溶解度参数为8.5〜 9.7，并且在总单体组合物中含有10〜40质量％的二聚酸成分，树脂（A）和树脂（B）的含量以树脂（A）的含量为60〜95 质量％，树脂（B）的含量相对于树脂的总树脂固体成分为5〜40质量％ （A）和树脂（B）之间，树脂（A）和树脂（B）中含有的羟基与固化剂（C）中所含的异氰酸酯基之间的比例为异氰酸酯基/羟基 组= 0.7〜1.5。

    Coating composition excellent in stain proofness and coated film obtained by coating the same
    22.
    发明专利
    Coating composition excellent in stain proofness and coated film obtained by coating the same 有权
    涂层组合物在其表面涂覆的防锈涂层和涂膜中优异

    公开(公告)号：JP2014025050A

    公开(公告)日：2014-02-06

    申请号：JP2012262295

    申请日：2012-11-30

    Applicant: Basf Japan Ltd ,  Basfジャパン株式会社

    Inventor： MIZUTANI HIROKI ,  TAKANO YUTAKA ,  OSAWA KATSUHIKO

    IPC: C09D201/06 ,  C09D7/12 ,  C09D133/24 ,  C09D143/04 ,  C09D161/28 ,  C09D167/00 ,  C09D175/06

    CPC classification number: C09D167/02 ,  C08K3/36 ,  C08K2201/003 ,  C08K2201/011 ,  C08L33/14 ,  C08L61/28

    Abstract: PROBLEM TO BE SOLVED: To provide a coating composition not only exhibiting stain proofness in a short time after coating, but also maintaining excellent stain proofness for a long time, and capable of obtaining a coated film which satisfies coating film performance required for a coated steel sheet such as water proofness and folding property.SOLUTION: The invention relates to a coating composition containing a hydroxyl group-containing resin (A), a crosslinking agent (B) which reacts with a hydroxyl group, a radical copolymer (C) and an organosilica sol (D), and the radical copolymer (C) has (a) a monomer composition containing 70.0 to 99.8 mass% of an unsaturated carboxylic acid amide, 0.2 to 10 mass% of a radical-polymerizable organosiloxane and 0 to 29.8 mass% of other radical-polymerizable monomers based on the total mass of the radical-polymerizable monomers, (b) a weight average molecular weight of 1,500 to 15,000 and (c) a hydroxyl value of 10 to 50 mgKOH/g, and the organosilica sol (D) has an average particle size of 1 to 30 nm, a solid content mass ratio represented by {the (C) component+the (D) component}/{the (A) component+the (B) component} of 3 to 30%, and a solid content mass ratio represented by {the (C) component/the (D) component} of 0.2 to 5.0.

    Abstract translation: 要解决的问题：为了提供不仅在涂布后的短时间内显示防污性，而且长期保持优异的防污性的涂料组合物，并且能够获得满足涂层钢所需的涂膜性能的涂膜 薄膜如防水性和折叠性。本发明涉及含有羟基的树脂（A），与羟基反应的交联剂（B），自由基共聚物（C）和 有机硅溶胶（D）和自由基共聚物（C）具有（a）含有70.0〜99.8质量％的不饱和羧酸酰胺，0.2〜10质量％的自由基聚合性有机硅氧烷和0〜29.8质量％ 基于可自由基聚合单体的总质量的其它可自由基聚合的单体，（b）重均分子量为1500〜15000，（c）羟值为10〜50mgKOH / g，有机硅单体 溶胶（D）的平均粒径为1〜30nm，由（C）成分+（D）成分} / {成分（B）成分}表示的固体成分质量比 为3〜30％，由（C）成分/（D）成分}表示的固体成分质量比为0.2〜5.0。

    One-component clear coating composition, and method for forming multilayer coating film using the same
    23.
    发明专利
    One-component clear coating composition, and method for forming multilayer coating film using the same 有权
    单组分透明涂料组合物及其形成多层涂膜的方法

    公开(公告)号：JP2013163769A

    公开(公告)日：2013-08-22

    申请号：JP2012027823

    申请日：2012-02-10

    Applicant: Basf Japan Ltd ,  Basfジャパン株式会社

    Inventor： TAJIMA TAKAKUNI ,  KONISHI TORU

    IPC: C09D167/02 ,  B05D1/36 ,  B05D7/24 ,  C09D7/12

    CPC classification number: C09D167/00 ,  C08G63/12 ,  C08J7/042 ,  C08J2367/02 ,  C08K5/3435 ,  C08K5/3492 ,  C09D167/02 ,  C23C28/00

    Abstract: PROBLEM TO BE SOLVED: To provide a one-component clear coating composition, capable of obtaining excellent coating film appearance, particularly favorable film appearance in a 3C1B system multilayer coating film formation method, capable of obtaining the coating film excellent in water resistance and weatherability, and having a high solid content at coating operation and high storage stability.SOLUTION: A clear coating composition includes as essential components, a hydroxy group-containing polyester resin (A) having a weight-average molecular weight of 1,500-8,000, an acid value of 0-50 mg-KOH/g, a hydroxyl value of 100-180 mg-KOH/g and a glass transition point of -30 to 0°C, and a crosslinking agent (B) reacting with a hydroxy group. The component (A) is the hydroxy group-containing polyester resin obtained by reacting a polybasic acid (a), polyhydric alcohol (b) and at least one ≥6C component (c) selected from the saturated mono-carboxylic acids, saturated mono-alcohols, saturated glycidyl ethers and saturated glycidyl esters. The content ratio of the component (c) is 20-60 mass% based on the total solid content of the components (a) to (c).

    Abstract translation: 要解决的问题：为了提供能够获得优异的耐水性和耐候性的涂膜的3C1B系统多层涂膜形成方法中能够获得优异的涂膜外观，特别有利的膜外观的单组分透明涂料组合物， 并且在涂布操作时具有高的固体含量和高的储存稳定性。解决方案：透明涂料组合物包括重均分子量为1,500-8,000的含羟基的聚酯树脂（A），必需组分，酸值 0-50mg-KOH / g，羟值为100-180mg-KOH / g，玻璃化转变温度为-30至0℃，以及与羟基反应的交联剂（B）。 组分（A）是通过多元酸（a），多元醇（b）和至少一种选自饱和一元羧酸的≥6C成分（c）反应获得的含羟基的聚酯树脂， 醇，饱和缩水甘油醚和饱和缩水甘油酯。 （c）成分的总固体成分的含有比例为20〜60质量％。

    Chromium-free paint composition, and paint film obtained by coating the same
    24.
    发明专利
    Chromium-free paint composition, and paint film obtained by coating the same 有权
    无铬涂料组合物和通过涂覆其获得的油墨胶片

    公开(公告)号：JP2013133340A

    公开(公告)日：2013-07-08

    申请号：JP2011282396

    申请日：2011-12-22

    Applicant: Basf Japan Ltd ,  Basfジャパン株式会社

    Inventor： TSUJITA TAKAHIRO ,  NISHIDA NOBUHIRO ,  TAKEUCHI YOSHITOMO ,  OSAWA KATSUHIKO

    IPC: C09D201/00 ,  C09D5/08 ,  C09D7/12 ,  C09D163/00 ,  C09D167/00 ,  C09D175/04 ,  C09D179/02 ,  C23C22/02

    CPC classification number: C23C26/00 ,  C08K2003/222 ,  C09D5/084 ,  C09D7/61 ,  Y10T428/31529

    Abstract: PROBLEM TO BE SOLVED: To provide a chromium-free paint composition giving a paint film with high corrosion resistance at the edge faces, damaged surfaces and processed parts of a precoated steel plate, and to provide the paint film obtained by coating the composition.SOLUTION: The chromium-free paint composition comprises: (A) a paint film-forming resin; (B) a rust-proofing pigment composed of at least one noncrystalline MgO-VO-based compound; and (C) a crosslinking agent, wherein the mass content of the rust-proofing agent (B) is 10-80 mass% of the total resin solids mass of the paint film-forming resin (A) and the crosslinking agent (C), and the total eluted ion quantity of a 10 mass% aqueous solution of the rust-proofing agent (B) is 10-100 ppm.

    Abstract translation: 要解决的问题：提供一种无铬涂料组合物，在预涂钢板的边缘面，损伤表面和加工部分提供具有高耐腐蚀性的漆膜，并提供通过涂覆组合物获得的漆膜。 ：无铬涂料组合物包含：（A）漆膜形成树脂; （B）由至少一种非晶MgO-VO类化合物组成的防锈颜料; 和（C）交联剂，其中防锈剂（B）的质量含量为漆膜形成树脂（A）和交联剂（C）的总树脂固体质量的10-80质量％ ，防锈剂（B）的10质量％水溶液的总洗脱离子量为10〜100ppm。

    複層塗膜形成方法
    27.
    发明专利
    複層塗膜形成方法 有权
    多层涂膜形成方法

    公开(公告)号：JP2014210225A

    公开(公告)日：2014-11-13

    申请号：JP2013086876

    申请日：2013-04-17

    Applicant: Basfジャパン株式会社 ,  Basf Japan Ltd ,  日産自動車株式会社 ,  Nissan Motor Co Ltd

    Inventor： TSUTSUI HIRONORI ,  KOYAMA YOHEI ,  HONDA YASUSHI ,  NAKAJIMA HISASHI ,  MORI SOICHI

    IPC: B05D7/24 ,  B05D1/36 ,  B32B27/30 ,  B32B27/40 ,  C09D5/00 ,  C09D133/00 ,  C09D161/28 ,  C09D167/00 ,  C09D175/04

    CPC classification number: C09D175/04 ,  B05D3/007 ,  B05D7/572 ,  C09D167/02

    Abstract: 【課題】3C1B方式による複層塗膜形成方法において、優れた塗膜外観を有するとともに、耐チッピング性、塗膜硬度に優れ、また、耐擦り傷性、耐水性、耐酸性などを満足する複層塗膜を得ることができる、複層塗膜形成方法を提供する。【解決手段】前記水性中塗り塗料及び前記水性ベース塗料が、コア部がアクリル樹脂(A1)、シェル部がポリウレタン樹脂(A2)からなるコア/シェル型樹脂エマルション(A)を含有し、前記アクリル樹脂(A1)の水酸基価が10〜30mgKOH/g、酸価が0〜10mgKOH/g、ガラス転移温度が0〜100℃であり、前記ポリウレタン樹脂(A2)の水酸基価が20〜80mgKOH/g、酸価が10〜60mgKOH/g、数平均分子量が2,000〜10,000であり、{前記(A1)成分/前記(A2)成分}で表される固形分質量比が0.80〜1.25であることを特徴とする上記複層塗膜形成方法。【選択図】なし

    Abstract translation: 要解决的问题：为了通过3C1B系统提供多层涂膜形成方法，其中多层涂膜具有优异的涂膜外观，耐崩裂性和涂膜硬度优异，并且耐刮擦性，耐水性，耐酸性和耐酸性 水性中间涂层和水性基底涂层包括由核心部分的丙烯酸树脂（A1）和壳的聚氨酯树脂（A2）组成的核/壳型树脂乳液（A） 部分。 丙烯酸树脂（A1）的羟值为10〜30mgKOH / g，酸值为0〜10mgKOH / g，玻璃化转变温度为0〜100℃。 聚氨酯树脂（A2）的羟值为20-80mgKOH / g，酸值为10-60mgKOH / g，数均分子量为2,000-10,000，固体含量质量比表示为{（A1）成分 /（A2）成分}为0.80-1.25。

    Method for forming multi-layer coating film
    28.
    发明专利
    Method for forming multi-layer coating film 有权
    形成多层涂膜的方法

    公开(公告)号：JP2013193058A

    公开(公告)日：2013-09-30

    申请号：JP2012065251

    申请日：2012-03-22

    Applicant: Honda Motor Co Ltd ,  本田技研工業株式会社 ,  Basf Japan Ltd ,  Basfジャパン株式会社

    Inventor： KOJIMA KEISUKE ,  AOKI TAKAMASA ,  OGAWA TSUYOSHI ,  MIZUNO SHIGEYUKI ,  HONDA YASUSHI

    IPC: B05D1/36 ,  C09D5/02 ,  C09D7/12 ,  C09D175/06 ,  C09D175/08

    CPC classification number: B32B27/40 ,  B05D3/0254 ,  B05D7/14 ,  B05D7/142 ,  B05D7/144 ,  B05D7/16 ,  B05D7/572 ,  B05D7/574 ,  B05D7/577 ,  B05D2401/20 ,  B05D2503/00 ,  B05D2504/00 ,  B32B2250/03 ,  B32B2250/04 ,  B32B2250/24 ,  B32B2307/558 ,  B32B2307/584 ,  C09D5/4473 ,  C25D13/04 ,  Y10T428/273

    Abstract: PROBLEM TO BE SOLVED: To provide a coating film which satisfies performances required for an exterior coating film, such as excellent coating film appearance, water resistance and impact resistance, even when a first base coating material is coated and a second base coating material is coated without performing preliminary drying, and to provide a method for forming a multi-layer coating film.SOLUTION: A method for forming a multi-layer coating film is provided in which an aqueous first base coating material (A) is coated over a cured coating film to form a first base coating film, an aqueous second base coating material (B) is coated over the first base coating film without carrying out preliminary drying to form a second base coating film, preliminary drying is carried out after the second base coating film forming step, a clear coating material (C) is coated over the second base coating film to form a clear coat coating film, and the three coating film layers are heated and cured simultaneously. In the method for forming a multi-layer coating film, the aqueous first base coating material (A) contains a polyurethane resin (A1) and titanium oxide (A2), and the mass content ratio of the titanium oxide (A2) is from 4 to 15 mass% with respect to a resin solid portion, and the solid portion of the aqueous first base coating material (A) is from 40 to 60 mass%.

    Abstract translation: 要解决的问题：即使涂覆第一基底涂层材料并涂覆第二基底涂层材料，也可以提供满足外部涂膜所需性能的涂膜，例如优异的涂膜外观，耐水性和耐冲击性 不进行预干燥，提供形成多层涂膜的方法。提供了一种形成多层涂膜的方法，其中将水性第一基底涂料（A）涂覆在固化涂层上 膜形成第一基底涂膜，在第一基底涂膜上涂布水性第二基底涂料（B），而不进行预干燥以形成第二基底涂膜，在第二基底涂膜之后进行预干燥 在第二基底涂膜上涂布透明涂料（C）以形成透明涂层涂膜，并且将三个涂膜层加热固化si 多次 在形成多层涂膜的方法中，水性第一基底涂料（A）含有聚氨酯树脂（A1）和氧化钛（A2），氧化钛（A2）的质量含量比为4 相对于树脂固体部分为15质量％，第一基础涂料（A）的固体部分为40〜60质量％。

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