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    • 8. 发明授权
    • Method for obtaining coating compositions having reduced VOC
    • 获得具有降低的VOC的涂料组合物的方法
    • US06740706B2
    • 2004-05-25
    • US10012075
    • 2001-12-07
    • Walter H. OhrbomRobert D. WeiseJames A. Laugal
    • Walter H. OhrbomRobert D. WeiseJames A. Laugal
    • C08L3304
    • C08F2/44C08F2/06
    • The invention relates to an economical method of making a polymer having reduced VOCs and coating compositions containing such polymers. In one embodiment, the method of invention requires providing a reactant mixture (a), providing a solvent mixture (b) comprising a reactive component (c) which is substantially free of any heteroatoms and is not a crystalline solid at room temperature and comprises (i) from 12 to 72 carbon atoms, and (ii) at least two functional groups, and subjecting the reactant mixture (a) in the solvent mixture (b) to polymerization conditions sufficient to polymerize reactant mixture (a) to provide a mixture (d) of a polymer (a′) in solvent mixture (b), wherein reactive component (c) under the polymerization conditions is substantially nonreactive: (1) with the components of reactive mixture (a), (2) in the polymerization of reactant mixture (a) and (3) with the polymer (a′). Coating compositions of the invention comprising polymers made by the disclosed method provide low VOCs without any reduction in application or performance properties.
    • 本发明涉及制备具有降低的VOC的聚合物和含有这种聚合物的涂料组合物的经济方法。 在一个实施方案中,本发明的方法需要提供反应物混合物(a),提供包含基本上不含任何杂原子并且在室温下不是结晶固体的反应性组分(c)的溶剂混合物(b),并且包含 i)12至72个碳原子,和(ii)至少两个官能团,并使溶剂混合物(b)中的反应物混合物(a)经受足以聚合反应混合物(a)的聚合条件以提供混合物 d)在溶剂混合物(b)中的聚合物(a'),其中在聚合条件下的反应性组分(c)基本上是非反应性的:(1)在反应混合物(a),(2) 反应物混合物(a)和(3)与聚合物(a')。 包含通过所公开的方法制备的聚合物的本发明的涂料组合物提供低VOC,而不会降低应用或性能。
    • 9. 发明授权
    • Coating composition having low volatile organic content
    • 涂料组合物挥发性有机物含量低
    • US06780909B2
    • 2004-08-24
    • US09829829
    • 2001-04-10
    • Gregory G. MenovcikMichele L. StaufferMark WestSergio E. BalatanJames A. Laugal
    • Gregory G. MenovcikMichele L. StaufferMark WestSergio E. BalatanJames A. Laugal
    • C08K302
    • C09D167/00C08G18/3831C08G18/6229C08G18/807C09D133/062C09D175/04C09D201/025C08L2666/14C08L2666/16
    • The coating composition of the invention includes a polymer, especially an acrylic polymer, having hydroxyl and/or primary carbamate functionality; a water-miscible organic solvent; a low hydrogen bonding oxygenated solvent; and water that is emulsified in the organic phase. The coating composition of the invention may be a clearcoat coating composition, preferably an automotive clearcoat coating composition. The invention further provides an article, such as an automotive vehicle, having a surface coated with a coating derived from the coating composition of the invention, particularly a composite coating having a basecoat layer and a clearcoat layer, and a method of producing such a coating on a substrate, particularly as a basecoat/clearcoat composite coating, with the coating composition of the invention preferably being at least the clearcoat of the composite coating. The coating composition of the invention provides especially low volatile organic content, with significant reductions of 25% or more from comparable previous coating compositions.
    • 本发明的涂料组合物包括具有羟基和/或伯氨基甲酸酯官能团的聚合物,特别是丙烯酸聚合物; 水混溶性有机溶剂; 低氢键氧合溶剂; 和在有机相中乳化的水。 本发明的涂料组合物可以是透明涂料组合物,优选汽车透明涂料组合物。 本发明还提供了一种具有涂覆有由本发明的涂料组合物衍生的涂层的表面的汽车的制品,特别是具有底涂层和透明涂层的复合涂层,以及制备这种涂层的方法 在基材上,特别是作为底涂层/透明涂层复合涂层,本发明的涂料组合物优选至少为复合涂层的透明涂层。 本发明的涂料组合物提供特别低的挥发性有机物含量,与可比较的涂料组合物相比显着减少25%或更多。