申请人:DENTSPLY DETREY GMBH
公开号:WO2017178383A1
公开(公告)日:2017-10-19
Dental composition comprising (a) a homogeneous phase comprising monomer combinations (i) and (ii), (i) and (iii), (ii) and (iii), or (i), (ii) and (iii), or comprising monomer (iii), wherein (i) represents one or more compounds having one or more radically polymerizable carbon-carbon double bonds; (ii) represents one or more compounds having one or more cationically polymerizable groups; and (iii) represents one or more compounds having a combination of one or more radically polymerizable carbon-carbon double bonds and one or more cationically polymerizable groups; (b) an initiator system comprising (iv) one or more radical polymerization initiator of the following formula (I) wherein M is Ge or Si; R1, R2 and R3 may be the same or different, independently represent an organic group, and R4 represents a hydrogen atom, an organic or organometallic group; provided that when R4 is a hydrogen atom, the initiator system further comprises a sensitizer compound having a light absorption maximum in the range from 300 to 600 nm; (v) a cationic polymerization initiator, which is a compound selected from the following formula (II), (III) and (IV): (II) wherein R5 and R6, which may be the same or different, independently represent an aryl group which may have a substituent; and Y- represents an anion; (III) wherein R7, R8 and R9 which may be the same or different, independently represent an aryl group which may have a substituent; and Y- represents an anion; (IV) R10, R11, R12, and R13 which may be the same or different, independently represent an alkyl or aryl group which may have a substituent; and Y- represents an anion.
含有以下组分的牙科复合物:(a)包括单体组合物(i)和(ii),(i)和(iii),(ii)和(iii),或(i),(ii)和(iii)的均相相位,或包括单体(iii),其中(i)代表具有一个或多个自由基聚合碳-碳双键的化合物;(ii)代表具有一个或多个阳离子聚合基团的化合物;(iii)代表具有一个或多个自由基聚合碳-碳双键和一个或多个阳离子聚合基团的化合物;(b)包括(iv)下式(I)的一个或多个自由基聚合引发剂的引发体系,其中M是Ge或Si;R1、R2和R3可以相同也可以不同,独立地代表有机基团,而R4代表氢原子,有机或有机金属基团;但是当R4是氢原子时,引发体系还包括具有在300至600 nm范围内的光吸收峰值的敏化剂化合物;(v)是一种阳离子聚合引发剂,其是从以下式(II),(III)和(IV)中选择的化合物:(II)其中R5和R6可以相同也可以不同,独立地代表可能具有取代基的芳基;而Y-代表阴离子;(III)其中R7、R8和R9可以相同也可以不同,独立地代表可能具有取代基的芳基;而Y-代表阴离子;(IV)R10、R11、R12和R13可以相同也可以不同,独立地代表可能具有取代基的烷基或芳基;而Y-代表阴离子。