| abstract |
A kind of composition, comprises metal ion source and at least one flow agent, and this flow agent comprises containing the linear of formula L1 (L1) structural unit or branched polymeric imidazolesn compound, wherein Rn 1 , Rn 2 , Rn 3 be selected from H atom and the organic group with 1-20 carbon atom independently of one another, Rn 4 for not comprising the divalence of hydroxyl, trivalent or multivalent organic group in α or the β position of the nitrogen-atoms relative to imidazole ring, n is integer. |