IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0378406
(2003-03-03)
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발명자
/ 주소 |
- Larson, Jr., Richard J.
- Secord, Michael P.
- Woudenberg, Jr., Richard C.
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
2 인용 특허 :
37 |
초록
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A marking composition includes a polymerizable first material that comprises silicon and a second material capable of extending polymeric chains of the first material, wherein the marking composition is capable of undergoing a change that can be detected optically when the composition is contacted w
A marking composition includes a polymerizable first material that comprises silicon and a second material capable of extending polymeric chains of the first material, wherein the marking composition is capable of undergoing a change that can be detected optically when the composition is contacted with energy.
대표청구항
▼
1. A method of marking a substrate, the method comprising:contacting the substrate with a composition comprising:a resin first material comprising a polydiorganosiloxane bearing terminal silanol groups; anda second material capable of extending chains of the first material; andcontacting the composi
1. A method of marking a substrate, the method comprising:contacting the substrate with a composition comprising:a resin first material comprising a polydiorganosiloxane bearing terminal silanol groups; anda second material capable of extending chains of the first material; andcontacting the composition with energy to produce a change in the composition that can be detected optically. 2. The method of claim 1, wherein the second material comprises a polyol. 3. The method of claim 1, further comprising curing the composition. 4. The method of claim 1, wherein the composition further comprises a crosslinking agent. 5. The method of claim 4, wherein the crosslinking agent comprises a silane. 6. The method of claim 1, wherein the substrate is a beverage can. 7. The method of claim 1, wherein contacting the composition with energy comprises forming a marking indicative of a date. 8. The method of claim 1, wherein the energy is delivered from a laser. 9. The method of claim 1, wherein the composition further comprises a blocked crosslinking agent. 10. The method of claim 9, wherein the blocked crosslinking agent is catalytic. 11. The method of claim 9, wherein the blocked crosslinking agent is capable of deblocking to form an amine. 12. The method of claim 9, wherein the blocked crosslinking agent comprises a carbamate. 13. The method of claim 1, wherein the composition further comprises a catalyst. 14. The method of claim 13, wherein the catalyst is selected from a group consisting of a platinum-based catalyst, a zinc-based catalyst, and a Lewis acid. 15. The method of claim 1, wherein the composition further comprises an optical tag. 16. The method of claim 15, wherein the optical tag comprises 2,2′-(2,5-thiophenediyl)bis[5-tert-butylbenzoxazole]. 17. The method of claim 1, wherein the resin comprises a combined aromatic and aliphatic substituted silicone resin. 18. The method of claim 1, wherein the resin comprises a phenyl methyl silicone resin. 19. The method of claim 18, wherein the ratio of phenyl to methyl groups of the silicone resin is between about 0.4:1 and 2.1:1. 20. The method of claim 4, wherein the composition comprises about 10 to about 90 percent of the resin, and about 0.1 to about 9 percent of the crosslinking agent. 21. The method of claim 1, wherein the substrate comprises a metal. 22. The method of claim 1, further comprising heating the composition after contacting the composition to the substrate. 23. A method of marking a substrate, the method comprising:contacting the substrate with a composition comprising:a first material comprising a phenyl methyl silicone resin, the ratio of phenyl to methyl groups of the silicone resin being between about 0.4:1 and 2.1:1; andcontacting the composition with energy to produce a change in the composition that can be detected optically. 24. The method of claim 23, wherein the energy is delivered from a laser. 25. A method of marking a substrate, the method comprising:contacting the substrate with a composition comprising:a first material comprising a phenyl methyl silicone resin, the ratio of phenyl to methyl groups of the silicone resin being between about 0.4:1 and 2.1:1; andcontacting the composition with energy to produce a change in the composition that can be detected optically,wherein the composition further comprises a crosslinking agent. 26. The method of claim 25, wherein the crosslinking agent is blocked. 27. The method of claim 25, wherein the crosslinking agent is catalytic. 28. The method of claim 25, wherein the crosslinking agent is blocked. 29. The method of claim 28, wherein the crosslinking agent is capable of deblocking to form an amine. 30. The method of claim 28, wherein the crosslinking agent comprises a carbamate. 31. The method of claim 25, wherein the composition comprises about 10 to about 90 percent of the resin, and about 0.1 to about 9 percent of the crosslinking agent. 32. A method of marking a substrate, the method comprising:contac ting the substrate with a composition comprising:a first material comprising a phenyl methyl silicone resin, the ratio of phenyl to methyl groups of the silicone resin being between about 0.4:1 and 2.1:1; andcontacting the composition with energy to produce a change in the composition that can be detected optically,wherein the crosslinking agent comprises a silane. 33. The method of claim 32, wherein the composition comprises about 10 to about 90 percent of the resin, and about 0.1 to about 9 percent of the crosslinking agent. 34. A method of marking a substrate, the method comprising:contacting the substrate with a composition comprising:a first material comprising a phenyl methyl silicone resin, the ratio of phenyl to methyl groups of the silicone resin being between about 0.4:1 and 2.1:1; andcontacting the composition with energy to produce a change in the composition that can be detected optically,wherein the composition further comprises a polyol. 35. The method of claim 34, wherein the polyol comprises a diol or a triol. 36. A method of marking a substrate, the method comprising:contacting the substrate with a composition comprising:a first material comprising a phenyl methyl silicone resin, the ratio of phenyl to methyl groups of the silicone resin being between about 0.4:1 and 2.1:1; andcontacting the composition with energy to produce a change in the composition that can be detected optically,wherein the composition further comprises a catalyst. 37. The method of claim 36, wherein the catalyst is selected from the group consisting of a platinum-based catalyst, a zinc-based catalyst, and a Lewis acid.
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