초록

An odor control composition that includes a silicon oxide compound and a transition metal in an amount of from about 0.2 wt. % to about 10 wt. % of the odor control composition is provided. The silicon oxide compound is formed from a silicon source and a template (e.g., cyclodextrin template).

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What is claimed is: 1. A substrate that contains an odor control composition in an amount of from about 0.5 wt. % to about 25 wt. % of the substrate, wherein said odor control composition comprises a silicon oxide compound and a transition metal that constitutes from about 0.2 wt. % to about 10 wt.

What is claimed is: 1. A substrate that contains an odor control composition in an amount of from about 0.5 wt. % to about 25 wt. % of the substrate, wherein said odor control composition comprises a silicon oxide compound and a transition metal that constitutes from about 0.2 wt. % to about 10 wt. % of said odor control composition, wherein said silicon oxide compound is formed from a silicon source and a cyclodextrin template. 2. A substrate as defined in claim 1, wherein said silicon source is selected from the group consisting of alkoxy silanes, silicone halides, and combinations thereof. 3. A substrate as defined in claim 1, wherein said silicon source is selected from the group consisting of tetraethoxy silanes, tetrapropoxy silanes, tetrabutoxy silanes, and combinations thereof. 4. A substrate as defined in claim 1, wherein said cyclodextrin is selected from the group consisting of α-cyclodextrin, β-cyclodextrin, γ-cyclodextrin, δ-cyclodextrin, derivatives thereof, and combinations thereof. 5. A substrate as defined in claim 1, wherein said transition metal is selected from the group consisting of scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, zinc, silver, and combinations thereof. 6. A substrate as defined in claim 1, wherein said silicon oxide compound has a B.E.T. surface area of from about 100 square meters per gram to about 1500 square meters per gram. 7. A substrate as defined in claim 1, wherein said silicon oxide compound has a B.E.T. surface area of from about 500 square meters per gram to about 1000 square meters per gram. 8. A substrate as defined in claim 1, wherein said silicon oxide compound has a median pore diameter of less than about 20 nanometers. 9. A substrate as defined in claim 1, wherein said silicon oxide compound has a median pore diameter of less than about 10 nanometers. 10. A substrate as defined in claim 1, wherein said transition metal constitutes from about 0.5 wt. % to about 5 wt. % of said odor control composition. 11. A substrate as defined in claim 1, wherein said odor control composition constitutes from about 0.5 wt. % to about 25 wt. % of the substrate. 12. A substrate as defined in claim 1, wherein said odor control composition constitutes from about 1 wt. % to about 10 wt. % of the substrate. 13. A substrate as defined in claim 1, wherein said silicon oxide compound is a metal silicate, said transition metal forming at least a portion of said metal silicate. 14. A substrate as defined in claim 1, wherein said silicon oxide compound includes approximately 100 wt. % silica. 15. A substrate as defined in claim 1, wherein said silicon oxide compound has a B.E.T. surface area of from about 400 square meters per gram to about 1200 square meters per gram. 16. A substrate as defined in claim 1, wherein said silicone oxide constitutes from about 90 wt. % to about 99.8 wt. % of said odor control composition. 17. A substrate as defined in claim 1, wherein said substrate is selected from the group consisting of films, nonwoven fabrics, woven fabrics, knit fabrics, paper and combinations thereof. 18. A substrate as defined in claim 17, wherein said substrate is an absorbent web containing cellulosic fibers. 19. A substrate as defined in claim 17, wherein said substrate is a nonwoven web selected from the group consisting of spunbonded webs, meltblown webs, bonded carded webs, airlaid webs, and combinations thereof. 20. A nonwoven web that contains an odor control composition in an amount of from about 0.5 wt. % to about 25 wt. % of the nonwoven web, wherein said odor control composition comprises a silicon oxide compound and a transition metal that constitutes from about 0.2 wt. % to about 10 wt. % of said odor control composition, wherein said silicon oxide compound is formed from a silicon source and a template, wherein said silicon oxide compound has a median pore diameter of less than about 20 nanometers. 21. A nonwoven web as defined in claim 20, wherein said silicon oxide compound is a metal silicate, said transition metal forming at least a portion of said metal silicate. 22. A nonwoven web as defined in claim 20, wherein said silicon oxide compound includes approximately 100 wt. % silica. 23. A nonwoven web as defined in claim 20, wherein said silicon source is selected from the group consisting of alkoxy silanes, silicone halides, and combinations thereof. 24. A nonwoven web as defined in claim 20, wherein said silicon source is selected from the group consisting of tetraethoxy silanes, tetrapropoxy silanes, tetrabutoxy silanes, and combinations thereof. 25. A nonwoven web as defined in claim 20, wherein said template is a cyclodextrin selected from the group consisting of α-cyclodextrin, β-cyclodextrin, γ-cyclodextrin, δ-cyclodextrin, derivatives thereof, and combinations thereof. 26. A nonwoven web as defined in claim 20, wherein said transition metal is selected from the group consisting of scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, zinc, silver, and combinations thereof. 27. A nonwoven web as defined in claim 20, wherein said silicon oxide compound has a B.E.T. surface area of from about 100 square meters per gram to about 1500 square meters per gram. 28. A nonwoven web as defined in claim 20, wherein said silicon oxide compound has a B.E.T. surface area of from about 400 square meters per gram to about 1200 square meters per gram. 29. A nonwoven web as defined in claim 20, wherein said silicon oxide compound has a B.E.T. surface area of from about 500 square meters per gram to about 1000 square meters per gram. 30. A nonwoven web as defined in claim 20, wherein said silicon oxide compound has a median pore diameter of less than about 10 nanometers. 31. A nonwoven web as defined in claim 20, wherein said transition metal constitutes from about 0.5 wt. % to about 5 wt. % of said odor control composition. 32. A nonwoven web as defined in claim 20, wherein said odor control composition constitutes from about 0.5 wt. % to about 25 wt. % of said nonwoven web. 33. A nonwoven web as defined in claim 20, wherein said odor control composition constitutes from about 1 wt. % to about 10 wt. % of said nonwoven web. 34. A nonwoven web as defined in claim 20, wherein said silicone oxide constitutes from about 90 wt. % to about 99.8 wt. % of said odor control composition. 35. A nonwoven web as defined in claim 20, wherein said nonwoven web is a spunbonded web, a meltblown web, or a combination thereof. 36. A nonwoven web as defined in claim 20, wherein said nonwoven web is an absorbent nonwoven web containing cellulosic fibers.