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    • 5. 发明专利
    • Method of forming multi-layer film for plastic raw materials, and its coated article
    • 形成塑料原料的多层膜及其涂层物品的方法
    • JP2008200587A
    • 2008-09-04
    • JP2007038410
    • 2007-02-19
    • Nippon Bee Chemical Co LtdToyota Motor Corpトヨタ自動車株式会社日本ビー・ケミカル株式会社
    • SUDO TAKAHISATAKADA SHINYAONO KOICHISAITO YOSHIHIKO
    • B05D7/02B05D1/36C09D175/04
    • C08J7/045
    • PROBLEM TO BE SOLVED: To provide a coating method of plastic raw materials for an automobile without deteriorating water resistance, solvent resistance and appearance even if an aqueous metallic base coating is used, in which the amount of a polyisocyanate compound transferred from the clear layer to the base layer is larger than conventional ones and which can enhance the curability of the base coating while retaining the membrane performance required by the clear layer.
      SOLUTION: In the coating method of the plastic raw material for an automobile which conducts the baking cure of following three layers; those are, an aqueous primer coating, the aqueous metallic base coating used for automobile metallic materials and a high solid clear coating simultaneously at a temperature of 70-100°C. The method is characterized by using a particular main component and solvent for the high solid clear coating wherein the main component has a particular constitution, and wherein the non-volatile matter of the two layer coated film of the primer coating and the base coating upon coating the high solid clear coating is 75 wt.% or more.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供一种用于汽车的塑料原料的涂布方法,即使使用水性金属基涂层,其耐水性,耐溶剂性和外观也不劣化,其中从 到基层的透明层大于常规层,并且可以在保持透明层所要求的膜性能的同时提高基底涂层的固化性。 解决方案:在以下三层进行烘烤固化的汽车用塑料原料的涂布方法中, 那些是水性底漆涂层,用于汽车金属材料的水性金属基底涂层和70-100℃的温度下同时具有高固体透明涂层。 该方法的特征在于使用特定的主要组分和溶剂用于高固体透明涂层,其中主要组分具有特定的结构,并且其中底漆涂层的两层涂膜的不挥发物质和涂层上的底涂层 高固体透明涂层为75重量%以上。 版权所有(C)2008,JPO&INPIT
    • 7. 发明专利
    • Aqueous primer for recoat and method for forming coating film
    • 用于回收的水性聚合物和形成涂膜的方法
    • JP2009173861A
    • 2009-08-06
    • JP2008233406
    • 2008-09-11
    • Nippon Bee Chemical Co LtdToyota Motor Corpトヨタ自動車株式会社日本ビー・ケミカル株式会社
    • HASE MASAKOSUDO TAKAHISAIWATA SEIICHIKISHIDA YASUYUKI
    • C09D123/28B05D1/36C09D5/00C09D5/02C09D133/14C09D161/28C09D175/04
    • PROBLEM TO BE SOLVED: To develop an aqueous primer enabling recoat, particularly recoat in the same coating system of aqueous primer-aqueous based coating-two pack type acryl/polyisocyanate-curing top clear by finding such aqueous primer formulation as to enable recoat in same coating system in 3-wet coating system (3-coat 1-bake (3C1B) method) and taking measures to defect in the primer formulation. SOLUTION: This aqueous primer for recoat is used for a coating film-forming method which comprises carrying out coating film formation comprising a step (a first coat) of applying an aqueous primer coating onto a member to be coated, a step (a second coat) of applying an aqueous base coating to a member in which the aqueous primer is kept in a wet state, a step (a third coat) of applying a clear coating to a member in wet state in which base coat has been carried out and a step (baking step) of baking and curing the coated three layers (first, second and third coat layers) at once and further carrying out recoat on the three layers, and the aqueous primer comprises (A) 20-35 pts.wt. chlorinated polyolefin emulsion, (B) 15-35 pts.wt. sulfonic acid group-containing polyurethane dispersion, (C) 20-35 pts.wt. epoxy group-containing acryl emulsion, (D) 5-15 pts.wt. curing agent and (E) 5-35 pts.wt. pigment-dispersing resin, based on 100 pts.wt. total solid content of (A), (B), (C), (D) and (E), and (F) a thickener and (G) a small amount of hydrophobic high-boiling point solvent. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:开发一种能够重涂的水性底漆,特别是在相同涂料体系中的水性底漆 - 水性基涂料 - 两包型丙烯酸/多异氰酸酯 - 固化顶部透明度的水性底漆,通过找到这样的水性底漆配方,使得 在3湿涂层系统(3-coat 1-bake(3C1B))方法的同一涂层体系中重涂,并采取措施在底漆制剂中缺陷。 解决方案:用于重涂的这种水性底漆用于涂膜形成方法,其包括进行涂膜形成,包括将待涂覆的构件施加水性底漆涂层的步骤(第一涂层),步骤( 第二涂层)将水性底涂层施加到其中水性底漆保持在湿润状态的构件上;将透明涂层施加到已经承载底涂层的湿状态的构件的步骤(第三涂层) (第一,第二和第三涂层)进行烘烤和固化的步骤(烘烤步骤),并进一步在三层上进行重涂,水性底漆包含(A)20-35重量份。 重量 氯化聚烯烃乳液,(B)15-35重量份 含有磺酸基的聚氨酯分散体,(C)20-35重量份 含环氧基的丙烯酸乳液,(D)5-15重量份 固化剂和(E)5-35重量份 颜料分散树脂,基于100重量份 (A),(B),(C),(D)和(E)的总固体含量,(F)增稠剂和(G)少量的疏水性高沸点溶剂。 版权所有(C)2009,JPO&INPIT
    • 10. 发明专利
    • Aqueous coating composition for automotive internal trim material
    • 汽车内饰材料的水性涂料组合物
    • JP2008056913A
    • 2008-03-13
    • JP2007196203
    • 2007-07-27
    • Nippon Bee Chemical Co LtdToyota Motor Corpトヨタ自動車株式会社日本ビー・ケミカル株式会社
    • SUDO TAKAHISAYAMASHITA HIROBUMIKONO SHINNOSUKESAITO YOSHIHIKO
    • C09D175/04C09D5/02C09D7/12C09D123/00C09D123/26C09D151/00
    • PROBLEM TO BE SOLVED: To provide an aqueous coating composition for automotive internal trim material, capable of forming coating film of high adhesiveness on a plastic substrate by baking and drying at a temperature of as low as about 60°C and giving such coating film excellent in soft touch feeling, tallow resistance, chemical resistance and scratch resistance.
      SOLUTION: The aqueous coating composition for automotive internal trim material comprises (A) an aqueous urethane resin, (B) an aqueous chlorinated polyolefin-modified acrylic resin, (C) an aqueous polyolefin resin and (D) elastic particles. In this coating composition, the amount of the resin C is 15-50 mass% based on a total of 100 mass% of the resins A, B and C, the mass ratio of the resin A to the resin B is (90:10) to (50:50) on a solid basis, the resin A is 100% or greater in elongation percentage at 20°C, the chlorinated polyolefin modification level in the resin B is 5-40 mass%, and the resin C is a nonchlorinated aqueous polypropylene-based resin, being 35-50% in degree of crystallinity and 50,000-200,000 in weight-average molecular weight.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种汽车内装饰材料的水性涂料组合物,其能够通过在低至约60℃的温度下烘烤和干燥而在塑料基材上形成高粘合性的涂膜, 涂膜具有柔软的触感,耐牛皮,耐化学性和耐擦伤性。 解决方案:用于汽车内部装饰材料的水性涂料组合物包含(A)水性聚氨酯树脂,(B)氯化聚烯烃改性丙烯酸树脂,(C)含水聚烯烃树脂和(D)弹性颗粒。 在该涂料组合物中,相对于树脂A,B,C的总量100质量%,树脂C的含量为15〜50质量%,树脂A与树脂B的质量比为(90:10 )至(50:50),树脂A在20℃下的伸长率为100%以上,树脂B中的氯化聚烯烃改性量为5-40质量%,树脂C为 非氯化水性聚丙烯类树脂,结晶度为35-50%,重均分子量为50,000-200,000。 版权所有(C)2008,JPO&INPIT