초록

The invention relates to compositions and articles containing a cross-linked polymer matrix and an immobilized active liquid, as well as methods of making and using the same.

대표청구항 ▼

1. An article comprising a porous support material and a composition disposed therein, the composition comprising a cured polymeric matrix and an active liquid, wherein said active liquid is immobilized throughout the cured polymeric matrix and the cured polymeric matrix is the reaction product of a

1. An article comprising a porous support material and a composition disposed therein, the composition comprising a cured polymeric matrix and an active liquid, wherein said active liquid is immobilized throughout the cured polymeric matrix and the cured polymeric matrix is the reaction product of a compound having at least two isocyanate functional groups with a polyamine in the presence of said active liquid, wherein the polyamine includes a polyamide polyamine (PAPA) having a polyamide backbone comprising repeating monomer units terminated by amine groups that are not part of the monomer unit which is formed by the reaction of a polyacid with a stoichiometric excess of a polyamine. 2. The article of claim 1, wherein the porous support material comprises at least one selected from the group consisting of paper, cardboard, cellulose pad, cellulose pulp, felt, fabric, a porous synthetic foam, a porous ceramic, activated carbon, soil, diatomaceous earth, kieselguhr, charcoal, silica and clay. 3. The article of claim 2, wherein the article is selected from the group consisting of a therapeutic article having an active liquid that is therapeutic, a nutraceutical article having an active liquid that is nutritious, a pesticide article having an active liquid that is pesticidal, a laundry care article having an active liquid for laundry care, and an air freshener having an active liquid that is a fragrance oil. 4. The article according to claim 3, wherein the cured polymeric matrix is a reaction product of a compound having at least two isocyanate functional groups with a polyamine in the presence of the active liquid and a reaction accelerator. 5. The article according to claim 3, wherein the cured polymeric matrix is a reaction product of a compound having at least two isocyanate functional groups with a polyamine in the presence of the active liquid and a reaction retardant. 6. The article according to claim 3, wherein the reactive amine groups of the polyamine comprise amino groups derived from at least one of ortho-aminobenzoic acid or para-aminobenzoic acid. 7. The article according to claim 3, wherein the cured polymeric matrix is a reaction product of a compound having at least two non-aromatic isocyanate functional groups, which may be the same or different, with a polyamine in the presence of the active liquid. 8. The article according to claim 3, wherein the cured polymeric matrix is a reaction product of a compound having at least two isocyanate functional groups with a polyamine in the presence of the active liquid and wherein the polyamine has an amine number of from 10 to 100 meq KOH/g and has a viscosity, measured at 150° C., of no greater than about 500 cP. 9. The article according to claim 3, wherein the cured polymeric matrix is a reaction product of a compound having at least two isocyanate functional groups with a polyamine in the presence of the active liquid and wherein the polyamine is a liquid at room temperature. 10. An article comprising a part, component or member comprising a cured polymeric matrix and an active liquid, wherein said active liquid is immobilized throughout the cured polymeric matrix and the cured polymeric matrix is a reaction product of a compound having at least two isocyanate functional groups with a polyamine in the presence of said active liquid, wherein the polyamine includes a polyamide polyamine (PAPA) having a polyamide backbone comprising repeating monomer units terminated by amine groups that are not part of the monomer unit which is formed by the reaction of a polyacid with a stoichiometric excess of a polyamine. 11. The article of claim 10, wherein the article is selected from the group consisting of a therapeutic article having an active liquid that is therapeutic, a nutraceutical article having an active liquid that is nutritious, a pesticide article having an active liquid that is pesticidal, a laundry care article having an active liquid for laundry care, and an air freshener having an active liquid that is a fragrance oil. 12. The article according to claim 11, wherein the cured polymeric matrix is a reaction product of a compound having at least two isocyanate functional groups with a polyamine in the presence of the active liquid and a reaction retardant. 13. The article according to claim 11 wherein the reactive amine groups of the polyamine comprise amino groups derived from at least one of ortho-aminobenzoic acid or para-aminobenzoic acid. 14. The article according to claim 11 wherein the cured polymeric matrix is a reaction product of a compound having at least two non-aromatic isocyanate functional groups with a polyamine in the presence of the active liquid. 15. The article according to claim 11, wherein the article comprises a shape selected from the group consisting of triangular, square, circular, spherical, oval, regular geometric shapes, and irregular geometric shapes. 16. The article according to claim 11, wherein the cured polymeric matrix is a reaction product of a compound having at least two isocyanate functional groups with a polyamine in the presence of the active liquid and wherein the polyamine has an amine number of from 10 to 100 meq KOH/g and has a viscosity, measured at 150° C., of no greater than about 500 cP. 17. The article according to claim 11, wherein the cured polymeric matrix is a reaction product of a compound having at least two isocyanate functional groups with a polyamine in the presence of the active liquid and wherein the polyamine is a liquid at room temperature. 18. An article comprising a support member and a solid composition supported thereon, the solid composition comprising a cured polymeric matrix and an active liquid wherein said active liquid is immobilized throughout the cured polymeric matrix and the cured polymeric matrix is a reaction product of a compound having at least two isocyanate functional groups with a polyamine in the presence of said active liquid, wherein the polyamine includes a polyamide polyamine (PAPA) having a polyamide backbone comprising repeating monomer units terminated by amine groups that are not part of the monomer unit which is formed by the reaction of a polyacid with a stoichiometric excess of a polyamine. 19. The article of claim 18, wherein the article is selected from the group consisting of a active liquid that is nutritious, a pesticide article having an active liquid that is pesticidal, a laundry care article having an active liquid for laundry care, and an air freshener having an active liquid that is a fragrance oil. 20. The article according to claim 18, wherein the cured polymeric matrix is a reaction product of a compound having at least two isocyanate functional groups with a polyamine in the presence of the active liquid and a reaction accelerator. 21. The article according to claim 18, wherein the cured polymeric matrix is a reaction product of a compound having at least two isocyanate functional groups with a polyamine in the presence of the active liquid and a reaction retardant. 22. The article according to claim 18, wherein the reactive amine groups of the polyamine comprise amino groups derived from at least one of ortho-aminobenzoic acid or para-aminobenzoic acid. 23. The article according to claim 18, wherein the cured polymeric matrix is a reaction product of a compound having at least two non-aromatic functional isocyanate groups selected from the group with a polyamine in the presence of the active liquid. 24. The article according to claim 18, wherein the article comprises a shape selected from the group consisting of triangular, square, circular, spherical, oval, regular geometric shapes, and irregular geometric shapes. 25. The article according to claim 18, wherein the support member comprises at least one selected from the group consisting of glass, ceramic, metal, paper, plastic, and an oil-impermeable material. 26. The article according to claim 18, wherein the cured polymeric matrix is a reaction product of a compound having at least two isocyanate functional groups with a polyamine in the presence of the active liquid and wherein the polyamine has an amine number of from 10 to 100 meq KOH/g and has a viscosity, measured at 150° C., of no greater than about 500 cP. 27. The article according to claim 18, wherein the cured polymeric matrix is a reaction product of a compound having at least two isocyanate functional groups with a polyamine in the presence of the active liquid and wherein the polyamine is a liquid at room temperature.