IPC분류정보
| 국가/구분 |
United States(US) Patent
등록
|
| 국제특허분류(IPC7판) |
|
| 출원번호 |
US-0740466
(2008-10-29)
|
| 등록번호 |
US-8207238
(2012-06-26)
|
| 국제출원번호 |
PCT/US2008/081559
(2008-10-29)
|
| §371/§102 date |
20100429
(20100429)
|
| 국제공개번호 |
WO2009/058843
(2009-05-07)
|
|
발명자
/ 주소 |
- Holmes, Brian N.
- Kobussen, Gregory A.
|
| 출원인 / 주소 |
- 3M Innovative Properties Company
|
| 대리인 / 주소 |
|
| 인용정보 |
피인용 횟수 :
0 인용 특허 :
47 |
초록
The invention features a hardenable dental composition, e.g., polymerizable dental restoratives, adhesives, etc., that contain a color-stable amine electron donor in an initiation system for initiating polymerization of the composition.
대표청구항
▼
1. A hardenable dental composition comprising: a polymerizable component; andan initiator system comprising at least one electron donor having the following formula: wherein N is nitrogen;R1 is an alkyl group having 1 to 16 carbon atoms, or is CH2CH2X2;R2, R3, R4, R5, R6, R7, R8 and R9 are independ
1. A hardenable dental composition comprising: a polymerizable component; andan initiator system comprising at least one electron donor having the following formula: wherein N is nitrogen;R1 is an alkyl group having 1 to 16 carbon atoms, or is CH2CH2X2;R2, R3, R4, R5, R6, R7, R8 and R9 are independently selected from H or an alkyl group having 1 to 4 carbon atoms, with the proviso that at least one carbon atom at a position alpha to the nitrogen is bonded to at least one hydrogen atom;X1 is selected from CO2R10, C(O)R11, C(O)R10, and CONR10R11 and X2 is selected from CN, CO2R10, C(O)R11, and C(O)R10, where each R10 and R11 are independently selected from H, alkyl groups having 1 to 6 carbon atoms, aryl groups, and aralkyl groups. 2. The composition of claim 1, where in R1 is CH3, CH2-(lower alkyl), or CH2CH2X2; R2 and R6 are independently H or CH3;R3 and R5 are H;R4 is H, CH3 or CH2- (lower alkyl); andR7, R8, R9 and R10 are H. 3. The composition of claim 1, wherein the electron donor has the following formula: wherein R is an alkyl group having 1 to 4 carbon atoms. 4. The composition of claim 1, wherein the electron donor has the following formula: wherein R is an alkyl group having 1 to 4 carbon atoms. 5. The composition of claim 1, wherein the polymerizable component comprises an ethylenically unsaturated component. 6. The composition of claim 5, wherein the ethylenically unsaturated component comprises a meth(acrylate). 7. The composition of claim 1, wherein the initiator system further comprises a visible light absorber. 8. The composition of claim 7, wherein the visible light absorber comprises camphorquinone (CPQ). 9. The composition of claim 1, wherein the initiator system further comprises an iodonium salt. 10. The composition of claim 9, wherein the iodonium salt is diphenyliodonium hexafluorophosphate. 11. The composition of claim 1, wherein the initiator system further comprises an second electron donor. 12. The composition of claim 11, wherein the second electron donor comprises a polycyclic aromatic compound. 13. The composition of claim 12, wherein the polycyclic aromatic component is selected from the group consisting of an anthracene derivative, a biphenylene derivative, and combinations thereof. 14. The composition of claim 1, further comprising a filler. 15. The composition of claim 14, wherein the filler comprises nanoparticles. 16. The composition of claim 1, wherein the composition is substantially free of UV stabilizers. 17. The composition of claim 1, wherein the composition has natural tooth fluorescence. 18. A photoinitiator system comprising: a visible light absorber;an iodonium salt; andat least one electron donor having the following formula: wherein N is nitrogen;R1 is an alkyl group having 1 to 16 carbon atoms, or is —CH2—CH2X2;R2, R3, R4, R5, R6, R7, R8, and R9 are independently selected from H or an alkyl group having 1 to 4 carbon atoms, with the proviso that at least one carbon atom at a position alpha to the nitrogen is bonded to at least one hydrogen atom;X1 is selected from CO2R10, C(O)R11, C(O)R10, and CONR10R11 and X2 is selected from CN, CO2R10, C(O)R11, and C(O)R10, where each R10 and R11 are independently selected from H, alkyl groups having 1 to 6 carbon atoms, aryl groups, and aralkyl groups. 19. The photoinitiator system of claim 18, wherein the electron donor has the following formula: wherein R is an alkyl group having 1 to 4 carbon atoms. 20. The photoinitiator system of claim 18, wherein the electron donor has the following formula: wherein R is an alkyl group having 1 to 4 carbon atoms. 21. The photoinitiator system of claim 18, wherein the visible light absorber comprises camphorquinone (CPQ). 22. The photoinitiator system of claim 18, wherein the iodonium salt comprises diphenyliodonium hexafluorophosphate. 23. The photoinitiator system of claim 18, wherein the photoinitiator system further comprises a second electron donor. 24. The photoinitiator system of claim 23, wherein the second electron donor comprises a polycyclic aromatic compound. 25. The photoinitiator system of claim 24, wherein the polycyclic aromatic component is selected from the group consisting of an anthracene derivative, a biphenylene derivative, and combinations thereof. 26. A hardenable composition comprising a polymerizable component and a photoinitiator system of claim 18. 27. A dental article made by polymerizing the composition of claim 1.
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