The disclosure provides a functionalized polymer for use in coating compositions and a method for making the functionalized polymer. In some embodiments, the functionalized polymer is a water-dispersible polymer, more preferably a water-dispersible polyester polymer, having one or more side groups including one or more salt groups. Packaging containers (e.g., food or beverage cans) comprising the functionalized polymer and methods of making such containers are also provided.
本公开提供了一种用于涂料组合物的官能化聚合物和一种制造官能化聚合物的方法。在某些实施例中,官能化聚合物是一种
水分散性聚合物,更优选
水分散性聚酯聚合物,具有一个或多个侧基,包括一个或多个盐基。此外,还提供了包含官能化聚合物的包装容器(如食品或饮料罐)以及制造这种容器的方法。