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    • 4. 发明申请
    • CURABLE COMPOSITION, PROCESS OF PRODUCTION AND USE THEREOF
    • 可固化组合物,生产方法及其用途
    • WO2012033633A1
    • 2012-03-15
    • PCT/US2011/048773
    • 2011-08-23
    • 3M INNOVATIVE PROPERTIES COMPANYZECH, JoachimGRUPP, HendrikKLETTKE, Thomas
    • ZECH, JoachimGRUPP, HendrikKLETTKE, Thomas
    • A61K6/10
    • A61K6/10A61C9/00A61K6/087
    • 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, (E) filler, the composition optionally further comprising (D) a retarder 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.
    • 本发明涉及通过混合基础糊料和催化剂浆料而制备的可固化组合物,该基料糊料包含(A)包含至少两个氮丙啶部分的可硬化化合物,和(B)含有阴离子和/或 配体,含金属的组分以约0.1至约5重量%的量存在,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 ,(碳酸氢盐),硫酸盐,硝酸盐,卤化物,乳酸盐,苯甲酸盐,钨酸盐,直链或支链脂族羧酸阴离子,具有不超过两个配位部分的配体及其组合,所述催化剂浆料包含(C)路易斯酸, E)填料,组合物任选地还包含(D)缓凝剂和(F)添加剂。 本发明还涉及一种试剂盒,使用含金属成分作为降低阳离子可固化组合物的固化时间的手段和采用牙印的方法。
    • 7. 发明申请
    • CURABLE COMPOSITION FOR DENTAL RETRACTION
    • WO2018136351A1
    • 2018-07-26
    • PCT/US2018/013697
    • 2018-01-15
    • 3M INNOVATIVE PROPERTIES COMPANY
    • HOFFMANN, HenningOSSWALD, PeterZECH, Joachim
    • A61K6/10A61K6/00
    • The invention relates to a curable composition for dental retraction comprising a resin matrix comprising at least one polyorganosiloxane with at least two olefinically unsaturated groups as component A1, at least one organohydrogenpolysiloxane as component A2, optionally at least one vinyl functional QM silicone component as component A3 , at least one alkylsiloxane having at least one carbinol, silanol, or alkoxy moiety as component B, optionally surfactant(s) as component E , optionally additive(s) as component F , a filler system comprising filler(s) as component D, a catalyst system comprising addition cure catalyst component C-A suitable to cure components A1 and A2, condensation cure catalyst component C-B suitable to cure component B, the curable composition being provided as a kit of part comprising a Catalyst Part I and a Base Part II the Catalyst Part I comprising components C-A, C-B, A1, the Base Part II comprising components A2, A1, B, wherein each of components D, E and F and A3, if present, can be present either in the Catalyst Part I or the Base Part II or the Catalyst Part I and the Base Part II, and wherein component B is present in an amount of 6 wt.% or more with respect to the whole composition.