申请人:3M Innovative Properties Company
公开号:EP2428199A1
公开(公告)日:2012-03-14
The invention relates to a curable composition to be prepared by mixing a base paste and a catalyst paste, the base paste comprising (A) a hardenable compound comprising at least two aziridine moieties, and (B) a metal containing component containing anions and/or ligands, the metal containing component being present in an amount of about 0.1 to about 5 wt.-%, the metal being selected from Zn, Cu, Co, Ni, Ag and combinations thereof, the anions or ligands being selected from oxide, hydroxyl, (hydro)carbonate, sulphate, nitrate, halide, lactate, benzoate, wolframate, linear or branched aliphatic carboxylic acid anions, ligands having not more than two coordinating moieties and combinations thereof, the catalyst paste comprising (C) a Lewis acid,
the composition optionally further comprising (D) a retarder, (E) filler and (F) additive(s).
The invention also relates to a kit of parts, the use of a metal containing component as a means for reducing the curing time of a cationically curable composition and a method of taking a dental impression.
本发明涉及一种通过混合基膏和催化剂膏来制备的可固化组合物,基膏包括 (A) 由至少两个氮丙啶基团组成的可硬化化合物,和 (B) 含阴离子和/或配体的金属成分,含金属成分的含量约为 0.1 至约 5 wt.-%,金属选自 Zn、Cu、Co、Ni、Ag 及其组合,阴离子或配体选自氧化物、羟基、(氢)碳酸盐、硫酸盐、Ag 及其组合。金属选自 Zn、Cu、Co、Ni、Ag 及其组合,阴离子或配体选自氧化物、羟基、(氢)碳酸盐、硫酸盐、硝酸盐、卤化物、乳酸盐、苯甲酸盐、钨酸盐、线性或支链脂肪族羧酸阴离子、具有不超过两个配位基的配体及其组合、
该组合物可选择进一步包含 (D) 缓凝剂、(E) 填充剂和 (F) 添加剂。
本发明还涉及一种成套部件、使用含金属成分作为缩短阳离子固化组合物固化时间的手段以及取牙印的方法。