Compositions and articles containing a cross-linked polymer matrix and an immobilized active liquid, as well as methods of making and using the same

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.