Polymerizable dental material which contains at least one radically-polymerizable monomer and at least one bisacylphosphine oxide of the Formula I,
in which R
1
is a linear or branched C
2
to C
14
alkyl residue, which can be interrupted by one or more O atoms, PG-Y-R
2
-X- or a substituted or unsubstituted, aromatic C
6
to C
14
radical; R
2
is absent or a linear or branched C
1
to C
20
alkylene radical, which can be interrupted by one or more O atoms; R
3
is H, a linear or branched C
1
to C
6
alkyl residue or PG-Y-R
2
-X-; R
4
is a linear or branched C
1
-C
6
alkyl or —O—C
1
-C
6
alkyl residue; R
5
is H or PG-Y-R
2
-X-; R
6
is H or PG-Y-R
2
-X-; PG is a polymerizable group; X is absent, O or S; Y is absent, O, S, an ester, amide or urethane group; the bisacylphosphine oxide having at least one PG-Y-R
2
-X group and X and/or Y being absent if R
2
is absent.
这是一种聚合牙科材料,其中至少含有一种自由基聚合单体和至少一种公式I的双酰基氧化膦,其中R1是线性或支链的C2到C14烷基残基,可以被一个或多个O原子中断,也可以是
PG-Y-R2-X-或取代或未取代的芳香族C6到C14基团;R2不存在或是线性或支链的C1到C20烷基残基,可以被一个或多个O原子中断;R3是H,线性或支链的C1到C6烷基残基或
PG-Y-R2-X-;R4是线性或支链的C1-C6烷基或-O-C1-C6烷基残基;R5是H或
PG-Y-R2-X-;R6是H或
PG-Y-R2-X-;
PG是可聚合的基团;X不存在、O或S;Y不存在、O、S、酯、酰胺或
脲基团;如果R2不存在,则双酰基氧化膦至少具有一个
PG-Y-R2-X基团,并且X和/或Y不存在。