(Meth) acrylic ester compound and use thereof
A (meth)acrylic ester compound represented by the general formula (1) and a dental material containing the compound, wherein, in the formula, R 11 represents a divalent aromatic group; R 12 represents a hydrogen atom or a methyl group; R 13 represents an aryl group; R 14 represents a hydrogen atom or a methyl group; and X 11 , represents an oxygen atom or a sulfur atom. A polymerizable composition containing the (meth)acrylic ester compound and an optical part obtained by polymerizing the polymerizable composition are also provided. The cured composition can provide advantageous physical and optical properties.
1. A (meth)acrylic ester compound represented by the general formula (1),
wherein, in the formula, R 12 represents a hydrogen atom or a methyl group; R 13 represents an unsubstituted aryl group or a substituted aryl group wherein the substituent is selected from the group consisting of an aralkyl group, an aralkyloxy group and an aryloxy group; R 14 represents a hydrogen atom or a methyl group; X 11 represents an oxygen atom or a sulfur atom; and R 11 represents a group represented by any one of the formulae (2) to (4),
wherein, in the formula (2), R 21 , R 22 , R 23 and R 24 are each independently a hydrogen atom, an alkyl group, an alkoxy group or a nitro group,
wherein, in the formula (3), R 31 and R 32 are each independently an alkyl group, an alkenyl group, an aralkyl group, an aryl group, an alkoxy group or a nitro group; and Y 31 represents a single bond, —C(CH 3 )(phenyl)- group, —O— group, —S— group, —SO 2 — group, a group represented by the formula (3-a) or a group represented by the formula (3-b),
wherein, in the above groups, R 33 s are each independently a hydrogen atom, an alkyl group or an aryl group; and m and n are each independently 0 or an integer of 1 to 4,
wherein, in the formula (4), R 41 and R 42 are each independently a hydrogen atom or an alkyl group.
2. A polymerizable composition containing the compound represented by the general formula (1) as described in claim 1 .
3. A cured product obtained by polymerizing the polymerizable composition as described in claim 2 .
4. A dental material containing a compound represented by the general formula (1),
wherein, in the formula, R 12 represents a hydrogen atom or a methyl group; R 13 represents an unsubstituted aryl group or a substituted aryl group wherein the substituent is selected from the group consisting of an aralkyl group, an aralkyloxy group and an aryloxy group; R 14 represents a hydrogen atom or a methyl group; X 11 represents an oxygen atom or a sulfur atom; and R 11 represents a group represented by any one of the formulae (2) to (4),
wherein, in the formula (2), R 21 , R 22 , R 23 and R 24 are each independently a hydrogen atom, an alkyl group, an alkoxy group or a nitro group,
wherein, in the formula (3), R 31 and R 32 are each independently an alkyl group, an alkenyl group, an aralkyl group, an aryl group, an alkoxy group or a nitro group; and Y 31 represents a single bond, —C(CH 3 )(phenyl)- group, —O— group, —S— group, —SO— group, a group represented by the formula (3-a) or a group represented by the formula (3-b),
wherein, in the above groups, R 33 s are each independently a hydrogen atom, an alkyl group or an aryl group; and m and n are each independently 0 or an integer of 1 to 4,
wherein, in the formula (4), R 41 and R 42 are each independently a hydrogen atom or an alkyl group.
5. A dental composition containing (A) a polymerizable
compound and (B) a polymerization initiator, wherein the polymerizable compound is the compound represented by the general formula (1) as described in claim 1 .
6. The dental composition according to claim 5 , wherein the dental composition as described in claim 5 further contains (C) a filler.
7. The dental composition according to claim 6 , wherein the dental composition further contains other polymerizable compounds in addition to the compound represented by the general formula (1).
8. The dental composition according to claim 7 , wherein the refractive index of the cured product after polymerization is not less than 1.55.
9. An optical part comprising the cured product as described in claim 3 .
10. A polymerizable composition containing the compound represented by the general formula (1) as described in claim 1 .
11. A cured product obtained by polymerizing the polymerizable composition as described in claim 10 .
12. The dental composition according to claim 5 , wherein the dental composition further contains other polymerizable compounds in addition to the compound represented by the general formula (1).
13. The dental composition according claim 6 , wherein the refractive index of the cured product after polymerization is not less than 1.55.
14. The dental composition according claim 5 , wherein the refractive index of the cured product after polymerization is not less than 1.55.
15. The dental composition according claim 12 , wherein the refractive index of the cured product after polymerization is not less than 1.55.
16. An optical part comprising the cured product as described in claim 11 .
17. The (meth)acrylic ester compound according to claim 1 , wherein R 13 is selected from the group consisting of a phenyl group, a 4-phenylphenyl group, a 3-phenylphenyl group, a 2-phenylphenyl group, a 1-naphthyl group, a 2-naphthyl group, a 4-phenoxyphenyl group, a 3-phenoxyphenyl group, and a 2-phenoxyphenyl group.
18. The dental material according to claim 4 , wherein R 13 is selected from the group consisting of a phenyl group, a 4-phenylphenyl group, a 3-phenylphenyl group, a 2-phenylphenyl group, a 1-naphthyl group, a 2-naphthyl group, a 4-phenoxyphenyl group, a 3-phenoxyphenyl group, and a 2-phenoxyphenyl group.