发明公开
EP3122311A1 DENTAL COMPOSITION 审中-公开
DENTALE ZUSAMMENSETZUNG

DENTAL COMPOSITION
摘要:
(i) 5 to 80 percent by weight based on the total weight of the composition of a polymerizable matrix containing polymerizable monomers; (ii) a polymerization initiator system containing (a) an alpha-diketone photoinitiator compound having a light absorption maximum in the range from 300 to 500 nm; (b) a coinitiator compound of the following formula (I): A-H (I) wherein A is a moiety of the following formula (II) R
1 R
2 R
3 X (II) wherein X represents Si, Ge, or Sn and R
1 represents a hydrogen atom, an organic moiety or a different moiety A; R
2 and R
3 which are independent from each other, represent an organic moiety; and (c) one or more compounds selected from the following group: (1) an iodonium compound of the following formula (III): R
4 -l
+ -R
5 Y
- (III) wherein R
4 and R
5 which are independent from each other represent an organic moiety, and Y
- is an anion; (2) a sulfonium compound of the following formula (IV): R
6 R
7 R
8 S+ Y
- (IV) wherein R
6 , R
7 and R
8 which are independent from each other, represent an organic moiety or wherein any two of R
6 , R
7 and R
8 form a cyclic structure together with the sulfur atom to which they are bound, and Y
- is an anion; (3) a phosphonium compound of the following formula (V): R
9 R
10 R
11 P
+ Y
- (V) wherein R
9 , R
10 and R
11 which are independent from each other, represent an organic moiety, and Y
- is an anion; and (4) a pyridinium salt.
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