An aqueous, cationically electrodepositable coating composition is composed of a film-forming electrodepositable source of
(i) sulfonium or phosphonium groups,
(ii) moieties capable of crosslinking with (i), and
(iii) moieties capable of catalyzing the crosslinking reaction between (i) and (ii).
                            一种
水性阳离子可电沉积涂层组合物由成膜的可电沉积源(i)锍或
鏻基团、(ii)能与(i)交联的分子和(iii)能催化(i)和(ii)之间交联反应的分子组成。