Patent ID: 7014983
Filing Date: 2006-03-21
Classification: B41C,C08F,C08L,C09D,Y10S

Abstract:
1. An imageable element comprising: a substrate; an underlayer over the substrate; and a top layer over the underlayer; in which: the element comprises a photothermal conversion material; the top layer is substantially free of the photothermal conversion material; the top layer is ink receptive; before thermal imaging, the top layer is not removable by an alkaline developer; after thermal imaging to form imaged regions in the top layer, the imaged regions are removable by the alkaline developer; the underlayer is removable by the alkaline developer, and the top layer comprises a co-polymer that comprises K units, L units, and M units; in which: the K units are selected from the group consisting of —[CH the L units are selected from the group consisting of —[CH the M units are selected from the group consisting of —[CH R R R each R each R E is oxygen or NR W is a bivalent linking group, a combination of bivalent linking groups, or a mixture of bivalent linking groups; B is selected from the group consisting of —[CH T is hydrogen, alkyl of one to eight carbon atoms, phenyl, or a mixture thereof; X n n