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    • 8. 发明授权
    • Photopolymerizable elastomeric mixture and recording material containing
this mixture, for producing ozone-resistant flexographic printing forms
    • 含有该混合物的可光聚合弹性体混合物和记录材料,用于生产耐臭氧柔性版印刷版
    • US5512419A
    • 1996-04-30
    • US323167
    • 1994-10-13
    • Hans-Joachim Schlosser
    • Hans-Joachim Schlosser
    • G03F7/004C08F2/50C08L71/00G03F7/00G03F7/032G03F7/033G03C1/73
    • G03F7/032
    • A photopolymerizable elastomeric mixture for producing ozone-resistant flexographic printing forms is disclosed which contains an elastomeric binder, an olefinically unsaturated compound polymerizable by free radicals, a photoinitiator, and a polyglycol ether of the general formula I ##STR1## in which R.sub.1 and R.sub.2 are alkyl, especially (C.sub.1 -C.sub.3)-alkyl,R.sub.3 is hydrogen or alkyl, especially (C.sub.1 -C.sub.3)-alkyl,A, B, C can be identical or different and areand D oxa-n- or -iso-alkylene, especially oxan- or -iso-(C.sub.1 -C.sub.5)-alkylene andl+m+n+o is 3 to 40.A recording material containing the photopolymerizable mixture as well as a process for producing a flexographic printing form are likewise described. The flexographic printing form obtained shows improved ozone resistance as compared with forms of the state of the art.
    • 公开了一种用于生产耐臭氧柔性版印刷版的可光聚合的弹性体混合物,其包含弹性体粘合剂,可自由基聚合的烯属不饱和化合物,光引发剂和通式I(I)的聚乙二醇醚,其中R 1 特别是(C 1 -C 3) - 烷基,R 3是氢或烷基,特别是(C 1 -C 3) - 烷基,A,B,C可以相同或不同,并且是氧代正或异 - 亚烷基,特别是氧杂 - 或 - 异 - (C 1 -C 5) - 亚烷基和l + m + n + o为3〜40。含有光聚合性混合物的记录材料以及柔性版印刷版的制造方法同样 描述。 获得的柔性版印刷版与现有技术的形式相比显示出改进的耐臭氧性。