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    • 10. 发明授权
    • Barrier layer for laser ablative imaging
    • 激光烧蚀成像的屏障层
    • US5468591A
    • 1995-11-21
    • US259586
    • 1994-06-14
    • Glenn T. PearceRichard P. Henzel
    • Glenn T. PearceRichard P. Henzel
    • B41M5/24B41M5/26B41M5/382B41M5/392B41M5/40B41M5/42B41M5/44B41M5/46G03F1/92H05K3/00G03C5/16
    • G03F1/92B41M5/24G03F7/202B41M5/44H05K3/0002Y10S428/913Y10S428/914Y10S430/145Y10S430/146Y10S430/165Y10T428/24802
    • An ablative recording element comprising a support having thereon, in order, a barrier layer and a colorant layer comprising a colorant dispersed in a polymeric binder, the colorant layer having an infrared-absorbing material associated therewith, and wherein the barrier layer comprises a vinyl polymer having recurring units of the following formula: ##STR1## wherein R.sup.1 and R.sup.2 each independently represents a halogen atom; a haloalkyl group with at least one halogen atom in its .beta.-position of the carbon to which R.sup.1 or R.sup.2 is attached; a ketal group; an acetal group; a thioketal group; a thioacetal group; a substituted or unsubstituted alkyl group; or a group containing a double or triple bond between any two atoms, one of which is adjacent to the carbon to which R.sup.1 or R.sup.2 is attached;with the proviso that at least one of R.sup.1 and R.sup.2 represents a group containing a double or triple bond between any two atoms, one of which is adjacent to the carbon to which R.sup.1 or R.sup.2 is attached; orR.sup.1 and R.sup.2 may be joined together to form a ring.
    • 一种烧蚀记录元件,包括其上依次具有阻挡层和包含分散在聚合物粘合剂中的着色剂的着色剂层的载体,所述着色剂层具有与其相关的红外线吸收材料,并且其中所述阻挡层包含乙烯基聚合物 具有下式的重复单元:其中R 1和R 2各自独立地表示卤素原子; 在R1或R2连接的碳的β-位上具有至少一个卤素原子的卤代烷基; 缩酮基团 缩醛基 硫缩酮组; 硫缩醛基; 取代或未取代的烷基; 或在任何两个原子之间含有双键或三键的基团,其中一个与R1或R2所连接的碳相邻; 条件是R 1和R 2中的至少一个表示在任何两个原子之间含有双键或三键的基团,其中一个与R1或R2所连接的碳相邻; 或者R1和R2可以连接在一起形成环。