申请人:DENTSPLY SIRONA Inc.
公开号:US20190201297A1
公开(公告)日:2019-07-04
A dental composition comprising a polymerizable acidic compound of the following formula (I):
wherein
R
1
which may be the same or different when more than one R
1
is present, represents a hydrogen atom or a methyl group;
R
2
which may be the same or different when more than one R
2
is present, represents a hydrogen atom, a straight-chain or branched C
1-6
alkyl group, a C
3-8
cycloalkyl group or a straight-chain or branched C
2-6
alkenyl group;
R
3
which may be the same or different when more than one R
3
is present, represents a monovalent organic moiety substituted by a group selected from —COOM, —PO
3
M, —O—PO
3
M
2
and —SO
3
M, wherein M independently represents a hydrogen atom or a metal atom; or
R
2
and R
3
form together a divalent organic moiety substituted by a group selected from —COOM, —PO
3
M, —O—PO
3
M
2
and —SO
3
M, wherein M independently represents a hydrogen atom or a metal atom;
L represents a (m+n+1)-valent organic linker group;
X represents a hydrogen atom or a group selected from —COOM, —PO
3
M, —O—PO
3
M
2
or —SO
3
M, wherein M independently is a hydrogen atom or a metal atom;
m is an integer of 0 to 6;
n is an integer of 0 to 6;
wherein (m+n) is at least 2;
provided that when n is 0, then X cannot be a hydrogen atom.
一种牙科组合物,包括以下式(I)的可聚合酸性化合物:其中R1表示氢原子或甲基基团,当有多个R1时,可能相同也可能不同;R2表示氢原子、直链或支链C1-6烷基基团、C3-8环烷基基团或直链或支链C2-6烯基基团,当有多个R2时,可能相同也可能不同;R3表示通过从—COOM、—PO3M、—O—PO3M2和—SO3M中选择的基团取代的一价有机基团,其中M独立表示氢原子或金属原子;或者R2和R3共同形成通过从—COOM、—PO3M、—O—PO3M2和—SO3M中选择的基团取代的二价有机基团,其中M独立表示氢原子或金属原子;L表示(m+n+1)-价有机连接基团;X表示氢原子或从—COOM、—PO3M、—O—PO3M2或—SO3M中选择的基团,其中M独立为氢原子或金属原子;m为0至6的整数;n为0至6的整数;其中(m+n)至少为2;但当n为0时,X不能是氢原子。