METHOD FOR MAKING TITANIUM DIOXIDE PIGMENT GRIND DISPERSION AND PAINT
    151.
    发明申请
    METHOD FOR MAKING TITANIUM DIOXIDE PIGMENT GRIND DISPERSION AND PAINT 有权
    二氧化钛颜料分散和涂料的制备方法

    公开(公告)号:US20150080521A1

    公开(公告)日:2015-03-19

    申请号:US14391335

    申请日:2013-04-22

    Abstract: Titanium dioxide may be more efficiently used in a coating composition containing a composite pigment particle-forming polymer if during composite formation, the polymer is initially present in a low concentration and the titanium dioxide particles and newly-formed composite particles are dispersed in a waterborne emulsion polymer that does not form such a composite. A pigment grind dispersion of titanium dioxide pigment-polymer composite particles may be made by mixing titanium dioxide particles with the waterborne emulsion polymer. The composite-forming polymer is then added to the waterborne emulsion polymer, or is added independently and concurrently with the titanium dioxide particles. The resulting titanium dioxide pigment-polymer composite particles provide improved coating composition opacity compared to a coating composition that does not contain such composite particles. The coating compositions can contain reduced titanium dioxide amounts and less than a saturation level of the composite-forming polymer.

    Abstract translation: 二氧化钛可以更有效地用于含有复合颜料颗粒形成聚合物的涂料组合物中,如果在复合形成期间,聚合物最初以低浓度存在,并且二氧化钛颗粒和新形成的复合颗粒分散在水性乳液中 不形成这种复合材料的聚合物。 二氧化钛颜料 - 聚合物复合颗粒的颜料研磨分散体可以通过将二氧化钛颗粒与水性乳液聚合物混合来制备。 然后将复合形成聚合物加入到水性乳液聚合物中,或者与二氧化钛颗粒独立并同时加入。 与不含这种复合颗粒的涂料组合物相比,所得到的二氧化钛颜料 - 聚合物复合颗粒提供改进的涂料组合物不透明度。 涂料组合物可以含有还原的二氧化钛量并且低于复合成型聚合物的饱和水平。

    ULTRA LOW CURE POWDER COATINGS
    153.
    发明申请
    ULTRA LOW CURE POWDER COATINGS 审中-公开
    超低温粉末涂料

    公开(公告)号:US20150024194A1

    公开(公告)日:2015-01-22

    申请号:US14450418

    申请日:2014-08-04

    Abstract: Methods and systems for coating metal substrates are provided. The methods and systems include application of TGIC-reactive carboxyl-functional polyester resins with high acid number formulated to cure at low temperatures of 120° C. to 135° C.

    Abstract translation: 提供用于涂覆金属基底的方法和系统。 方法和系统包括应用具有高酸值的TGIC反应性羧基官能聚酯树脂,以在120℃至135℃的低温下固化。

    Coating Composition for Metal Substrates
    154.
    发明申请
    Coating Composition for Metal Substrates 有权
    金属基材的涂料组合物

    公开(公告)号:US20140338290A1

    公开(公告)日:2014-11-20

    申请号:US14275377

    申请日:2014-05-12

    Abstract: The present invention provides novel packaging articles, e.g., food and beverage cans. Preferred cans typically comprise a body portion and an end portion, wherein at least one of the body and end portions are aluminum and are coated on at least one major surface with a coating composition of the present invention. Suitable coating compositions of the present invention comprise: one or more polyester resins, wherein at least one of the polyester resins has a glass transition temperature (“Tg”) less than about 50° C., and wherein the polyester resin is formed by the reaction of one or more polyacid molecules and one or more polyol molecules; and a crosslinker. Preferred compositions are substantially free of mobile BPA and aromatic glycidyl ether compounds, e.g., BADGE, BFDGE and epoxy novalacs (e.g., NOGE) and more preferred compositions are also substantially free of bound BPA and aromatic glycidyl ether compounds. In more preferred embodiments (e.g., alcoholic beverage cans), the polyol molecules used to make the polyester resin are substantially free of NPG. The present invention also provides a method of making such cans.

    Abstract translation: 本发明提供了新颖的包装制品,例如食品和饮料罐。 优选的罐通常包括主体部分和端部部分,其中主体部分和端部部分中的至少一个是铝,并且用至少一个主表面涂覆有本发明的涂料组合物。 本发明的合适的涂料组合物包含:一种或多种聚酯树脂,其中至少一种聚酯树脂的玻璃化转变温度(“Tg”)低于约50℃,其中聚酯树脂由 一种或多种多酸分子与一种或多种多元醇分子的反应; 和交联剂。 优选的组合物基本上不含活性BPA和芳族缩水甘油醚化合物,例如BADGE,BFDGE和环氧树脂(例如NOGE),更优选的组合物也基本上不含结合的BPA和芳族缩水甘油醚化合物。 在更优选的实施方案(例如,酒精饮料罐)中,用于制备聚酯树脂的多元醇分子基本上不含NPG。 本发明还提供了制造这种罐的方法。

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