ELECTRODEPOSITION COATING MATERIAL COMPOSITION AND CATALYST FOR ELECTRODEPOSITION COATING MATERIAL
申请人:Nitto Kasei Co., Ltd.
公开号:EP3138885A1
公开(公告)日:2017-03-08
Provided is an organic tin-free cationic electrodeposition coating composition which does not contain organic tin compound and can sustain a superior coating curability under currently used baking conditions, and to a catalyst for the composition. A catalyst for electrodeposition coating composition containing a bismuth compound (A), wherein: the bismuth compound is a compound having a ligand prepared from a β-diketone represented by Chemical Formula (1) is provided.
(wherein, a plurality of R1 are the same or different from each other and represent a hydrocarbon group, and a number of total carbon atoms in two R1 is 4 or larger)
本发明提供了一种不含有机锡化合物的有机无锡阳离子电沉积涂层组合物,该组合物在目前使用的烘烤条件下可保持优异的涂层固化性,还提供了该组合物的催化剂。本发明提供了一种含有铋化合物(A)的电沉积涂料组合物催化剂,其中:铋化合物是一种具有由化学式(1)表示的β-二酮制备的配位体的化合物。
(其中,多个 R1 彼此相同或不同并代表烃基,且两个 R1 中的总碳原子数为 4 或更多)