SACRIFICIAL COATING AND INDIRECT PRINTING APPARATUS EMPLOYING SACRIFICIAL COATING ON INTERMEDIATE TRANSFER MEMBER

摘要

PROBLEM TO BE SOLVED: To provide a coating composition for an image transfer member in an aqueous ink imaging system.SOLUTION: The coating composition comprises: at least one polymer selected from the group consisting of (i) polyvinyl alcohol and (ii) a copolymer of vinyl alcohol and alkene monomers; at least one hygroscopic material; and at least one surfactant. An indirect printing apparatus and an indirect printing process employing the coating composition are also disclosed.