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发明授权
US09403986B2 Graft copolymer pigment dispersant 有权
接枝共聚物颜料分散剂

Graft copolymer pigment dispersant
摘要：
A pigment dispersant comprising a graft copolymer is described. The graft copolymer comprises a backbone having polymerized vinyl imidazole groups and side chains from macromonomers. The vinyl imidazole comprises 2 percent to 20 percent by weight of the graft copolymer and the macromonomer comprises 55 percent to 85 percent by weight of the graft copolymer. The pigment dispersant is useful for forming pigment dispersions that can be used in solvent borne coating compositions.
摘要（中）：

描述了包含接枝共聚物的颜料分散剂。 接枝共聚物包括具有聚合的乙烯基咪唑基团和来自大分子单体的侧链的骨架。 乙烯基咪唑包含2重量％至20重量％的接枝共聚物，大分子单体占接枝共聚物的55重量％至85重量％。 颜料分散剂可用于形成可用于溶剂型涂料组合物中的颜料分散体。

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