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    • 2. 发明专利
    • Water-based coating material composition
    • 水基涂料组合物
    • JP2009120642A
    • 2009-06-04
    • JP2007293222
    • 2007-11-12
    • Kansai Paint Co Ltd関西ペイント株式会社
    • YOSHIHARA HIDEKISHIMIZU KEIICHISHIODA ATSUSHINAKANE NORITOSHIYUKAWA YOSHIYUKINODA SUMIO
    • C09D163/00B05D7/14B05D7/24C09D5/02C09D7/12C09D133/06C09D151/08C09D163/02
    • PROBLEM TO BE SOLVED: To obtain a water-based coating material that forms a coating film having excellent processability, adhesiveness to a substrate, corrosion resistance and residual-film resistance and has suitability for a can lid.
      SOLUTION: The water-based coating material composition includes (A) an acrylic resin-modified epoxy resin and (B) 0.5-30 parts by mass based on 100 parts by mass of the resin (A) of a water-dispersible acrylic resin made up of a copolymer of a monomer that is composed of 0.1-15 mass% of a carboxy group-containing polymerizable unsaturated monomer and 85-99.9 mass% of another polymerizable monomer, has a weight-average molecular weight of ≥300,000 and a value of absorbance of ≤0.2 in a solution of 1,4-dioxane as a solvent at 1.35% mass concentration at a wavelength of 330 nm by a spectrophotometer.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了获得形成具有优异的加工性,对基材的粘附性,耐腐蚀性和耐残留膜性的涂膜的水性涂料,并且适用于罐盖。 解决方案:水性涂料组合物包含(A)丙烯酸树脂改性环氧树脂和(B)基于100质量份水分散性树脂(A)的树脂(A)为0.5-30质量份 由0.1-15质量%的含羧基的可聚合不饱和单体和85-99.9质量%的其它可聚合单体组成的单体的共聚物构成的丙烯酸树脂的重均分子量≥300,000, 在分光光度计下,在波长为330nm的1,4-二恶烷溶剂溶液中,质量浓度为1.35%时的吸光度值≤0.2。 版权所有(C)2009,JPO&INPIT
    • 3. 发明专利
    • Can coating composition
    • CAN涂料组合物
    • JP2007246603A
    • 2007-09-27
    • JP2006069082
    • 2006-03-14
    • Kansai Paint Co Ltd関西ペイント株式会社
    • MASUDA HIDEKIAMAGI SHINGOSAKAMOTO AKIHISATAMURA KOICHIYOSHIHARA HIDEKI
    • C09D167/02B32B15/09B65D8/00C09D7/12C09D161/06C09D163/00
    • PROBLEM TO BE SOLVED: To provide a can coating composition suitable for a pre-coat process which exhibits excellent film characteristics such as coating film appearance, draw and ironing property, retorting resistance, flavor retention and hygiene. SOLUTION: The can coating composition contains (A) crystalline polyester resin fine particles mainly composed of an ethylene terephthalate unit, (B) crystalline polyester resin fine particles mainly composed of a butylene terephthalate unit and (C) an organic solvent. The solubility of the crystalline polyester resin fine particle (A) and the crystalline polyester resin fine particle (B) to the organic solvent (C) is each less than 5 mass% at 40°C or lower and 99 mass% or more at 180°C or higher. The ratios of the fine particle (A) and the fine particle (B) to the total of the fine particles (A) and (B) are 95-30 mass% and 5-70 mass% respectively. The content of the organic solvent (C) is 50-500 pts.mass to 100 pts.mass of the total of the fine particle (A) and the fine particle (B). COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种适用于预涂工艺的罐涂料组合物,其表现出优异的膜特性,如涂膜外观,拉伸和熨烫性能,耐蒸煮性,香味保持性和卫生性。 解决方案:罐涂料组合物含有(A)主要由对苯二甲酸乙二醇酯单元构成的结晶性聚酯树脂微粒,(B)主要由对苯二甲酸丁二醇酯单元构成的结晶性聚酯树脂微粒和(C)有机溶剂。 结晶性聚酯树脂微粒(A)和结晶性聚酯树脂微粒(B)在有机溶剂(C)中的溶解度在40℃以下为小于5质量%,在180℃以下为99质量%以上 ℃以上。 细颗粒(A)和细颗粒(B)与细颗粒(A)和(B)的总量的比率分别为95-30质量%和5-70质量%。 有机溶剂(C)的含量为细颗粒(A)和细颗粒(B)的总计的50-500质量份至100质量ppm。 版权所有(C)2007,JPO&INPIT