Dental materials with improved hydrolysis stability based on phthalic acid monomers
申请人:BOCK Thorsten
公开号:US20130090404A1
公开(公告)日:2013-04-11
Dental material which contains a polymerizable phthalic acid derivative of the general Formula I:
with R
1
═H, methyl or a C
1
-C
5
alkyl residue; R
2
═H, a phenyl, benzyl or C
1
-C
8
alkyl residue; Q
1
=is absent or is a C
1
-C
15
alkylene residue, wherein the carbon chain can be interrupted by O or S; Q
2
=is absent or a (n+1)-valent aliphatic C
1
-C
20
residue, wherein the carbon chain can be interrupted by O or S and wherein Q
1
and Q
2
cannot be absent simultaneously; X=is absent, is O, S or (—CO—NR
4
—)—, wherein R
4
is H, CH
3
or C
2
H
5
; Y=is absent, is O, S or (—CO—NR
5
—)—, wherein R
5
is H, CH
3
or C
2
H
5
; n, m=independently of one another in each case mean 1, 2 or 3; R
3
═H, CH
3
, C
2
H
5
, Cl, Br or OCH
3
, and wherein the two carboxyl groups of the benzene ring can together form an anhydride group.
含有一种聚合性邻苯二甲酸衍生物的牙科材料,其通式为I:其中R1═H,甲基或C1-C5烷基残基;R2═H,苯基,苄基或C1-C8烷基残基;Q1=不存在或是C1-C15烷基氧化物,碳链可以被O或S中断;Q2=不存在或是(n+1)-价脂肪族C1-C20残基,碳链可以被O或S中断,且Q1和Q2不能同时不存在;X=不存在,是O,S或(—CO—NR4—)—,其中R4为H,CH3或C2H5;Y=不存在,是O,S或(—CO—NR5—)—,其中R5为H,CH3或C2H5;n,m=分别独立地表示1、2或3;R3=H,CH3,C2H5,Cl,Br或OCH3,其中苯环的两个羧基可以共同形成酐基。