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    • 6. 发明申请
    • IMPROVED DENTAL MATERIALS
    • 改进牙科材料
    • WO0143700A3
    • 2002-05-23
    • PCT/EP0012774
    • 2000-12-15
    • 3M ESPE AGLEHMANN THOMASSOGLOWEK WOLFGANGHECHT REINHOLD
    • LEHMANN THOMASSOGLOWEK WOLFGANGHECHT REINHOLD
    • A61C13/003A61K6/09
    • A61K6/083A61K6/09C08L75/16C08L33/00
    • The invention relates to compositions that contain: (a) 14 to 55 % by weight of fillers, (b) 3 to 35 % by weight of at least one mono- or poly-ethylenically unsaturated compound that is not urethane (meth)acrylate, (c) 0.1 to 5 % by weight of at least one initiator system that is capable of triggering a radical reaction, (d) 1 to 40 % by weight of a softening agent, (e) 0 to 10 % by weight of adjuvants, such as colorants, pigments, stabilizers, solvents, rheological additives such as flow enhancers and/or retarders, and (f) 30 to 82.9 % by weight of at least two urethane (meth)acrylates of different molecular weight, the molecular weight ratio being in the range of from 1.5: 1 to 50: 1.
    • 本发明涉及一种组合物,包括:(a)由14至55个重量%的填料,(B)3〜35重量%的至少一种单 - 或多 - 烯属不饱和化合物的%,这是不氨基甲酸酯(甲基)丙烯酸酯,( c。启动)0.1至5重量%的至少一种引发剂体系,其能够进行自由基反应,(D)1〜40重量的增塑剂%,(E)0至10重量%的助剂,如染料的 剂,颜料,稳定剂,溶剂,流变添加剂,如流动改进剂和/或缓凝剂,和(f)为30〜82.9重量%,在聚氨酯(甲基)丙烯酸酯,至少两种不同分子量的%其中这些在1.5的分子量之比: 1至50:存在1。