Photosensitive elastomeric compositions comprising 40 to 90 weight percent of a heat workable, carboxyl- and sulfur-containing polymer of a diene; 2 to 50 weight percent of a nongaseous, ethylenically unsaturated compound; and 0.001 to 10 weight percent of a radical generating system; the compositions being useful for making flexographic printing plates.
光敏弹性体组合物,包括 40 至 90 重量百分比的可热加工、含羧基和
硫的二
烯聚合物;2 至 50 重量百分比的非气态
乙烯不饱和化合物;以及 0.001 至 10 重量百分比的自由基生成体系;该组合物可用于制作柔版印刷板。