申请人:Moszner Norbert
公开号:US20060247329A1
公开(公告)日:2006-11-02
Filler which is surface-modified with a compound of the formula [(PG)—R
1
—Z]
n
—SP—[Y—R
2
—(AG)]
m
, in which AG is —COOH, —P(═O)(OH)
2
, —O—P(═O)(OH)
2
, —SO
2
OH, —SiR
3
R
4
X, or a chelating group; R
1
is a C
1
-C
3
alkylene group or cyclopropylene group or is absent; R
2
is a C
1
-C
10
alkylene group or is absent; R
3
is a C
1
-C
8
alkyl group, chlorine or OR
5
; R
4
is a C
1
-C
8
alkyl group, phenyl, chlorine or OR
5
; R
5
is a C
1
-C
6
alkyl group; X is OR
5
or chlorine; Y is O, S, CO—NH, O—CO—NH, NH—CO—NH or is absent, Y
being absent if R
2
is absent; Z is O, S, CO—NR
6
, O—CO—NH, NH—CO—NH or is absent, R
6
being H or C
1
-C
6
alkyl; PG is a radically polymerizable group of the formula in which R
9
is H, C
1
-C
3
alkyl, C
1
-C
3
hydroxyalkyl or COOR
10
; R
10
is H, C
1
-C
10
alkyl, 1,6-dimethylphenyl or mesityl; R
11
is H or phenyl; m is 1 or 2; n is 1, 2, 3 or 4; SP is absent or is an (n+m)-valent linear or branched aliphatic C
1
-C
30
radical, in which the carbon chain can be interrupted by O, S, CO—NH, O—CO—NH or NH—CO—NH, an (n+m)-valent aromatic C
6
-C
18
radical, an (n+m)-valent cycloaliphatic C
3
-C
18
radical or an (n+m)-valent heterocyclic C
3
-C
18
radical, where the radicals can be substituted or unsubstituted; in which, if AG is a silyl radical of the formula —SiR
3
R
4
X and PG is a vinyl group of the formula H
2
C═CH—, R
1
and Z are not absent simultaneously.
填充剂表面经化合物[(PG)-R1-Z]n-SP-[Y-R2-(AG)]m改性,其中AG为-COOH,-P(═O)(OH)2,-O-P(═O)(OH)2,-SO2OH,-SiR3R4X或螯合基;R1为C1-C3烷基或环丙基或不存在;R2为C1-C10烷基或不存在;R3为C1-C8烷基、氯或OR5;R4为C1-C8烷基、苯基、氯或OR5;R5为C1-C6烷基;X为OR5或氯;Y为O、S、CO-NH、O-CO-NH、NH-CO-NH或不存在,当R2不存在时,Y不存在;Z为O、S、CO-NR6、O-CO-NH、NH-CO-NH或不存在,其中R6为H或C1-C6烷基;PG为基团,其化学式为,在该式中,R9为H、C1-C3烷基、C1-C3羟基烷基或COOR10;R10为H、C1-C10烷基、1,6-二甲基苯基或三甲基苯基;R11为H或苯基;m为1或2;n为1、2、3或4;SP不存在或为(n+m)-价直链或支链脂肪族C1-C30基团,其中碳链可以被O、S、CO-NH、O-CO-NH或NH-CO-NH中断,为(n+m)-价芳香族C6-C18基团,为(n+m)-价环烷C3-C18基团或为(n+m)-价杂环C3-C18基团,其中基团可以被取代或未取代;如果AG是式为-SiR3R4X的硅基团,PG是式为H2C═CH-的乙烯基团,则R1和Z不同时不存在。