A pretreatment fluid for printing media with a pigment ink composition includes a liquid vehicle, at least one polymeric binder having pendant carboxyl groups, and an ammonium metal chelate cross-linker.
用于使用
颜料油墨组合物印刷介质的预处理液包括液体载体、至少一种具有悬垂羧基的聚合物粘合剂和
金属螯合
铵交联剂。