TH35893A - Adsorbent polymer components with high adsorption capacity under applied pressure and improved homogeneity in the swollen state. - Google Patents

Abstract

DC60 (25/02/42) What is disclosed in this request is an absorbent material utilizing the retention of bodily fluids, such as urine, specifically. The invention involves an absorbent polymer composition exhibiting excellent adsorption properties in terms of adsorption capacity under a limiting pressure of 0.7 psi and exhibiting homogeneity in the swell state. The invention also involves an adsorbent composed of these absorbent polymer compositions and involves a material composed of the adsorbent. What is disclosed in this request is an absorbent material utilizing the retention of bodily fluids, such as urine, specifically. The invention involves an absorbent polymer composition exhibiting excellent adsorption properties in terms of adsorption capacity under a limiting pressure of 0.7 psi and exhibiting homogeneity in the swell state. The invention also involves an adsorbent composed of these absorbent polymer compositions and involves a material composed of the adsorbent.

Claims (41)

1. The absorbent polymer (PUP) component in synthetic urine solution must have a pressure-effective capacitance (PUP) of at least approximately 39 g/g under a given pressure of 0.7 psi after 4 hours, and a ball burst resistance (BBS) of at least approximately 50 gf. 2. The adsorbent polymer composition according to claim 1 has a PUP capacity of at least approximately 41 g/g under a limiting pressure of 0.7 psi after 4 hours. 3. The polymer adsorbent composition according to claim 2 has a PUP capacity of at least approximately 43 g/g under a limiting pressure of 0.7 psi after 4 hours. 4. The polymer absorbent composition according to claim 3 has a PUP capacity of at least approximately 44 g/g under a limiting pressure of 0.7 psi after 4 hours. 5. The polymer adsorbent composition according to claim 1 has a PUP capacity of at least approximately 39 g/g to approximately 58 g/g under a limiting pressure of 0.7 psi after 4 hours. 6. The polymer adsorbent composition according to claim 5 has a PUP capacity of at least approximately 41 g/g to approximately 55 g/g under a limiting pressure of 0.7 psi after 4 hours. 7. An adsorbent polymer composition as per claim 6 with a PUP capacity of at least approximately 43 g/g to approximately 50 g/g under a limiting pressure of 0.7 psi after 4 hours. 8. An adsorbent polymer composition as per claim 1 with a BBS value of at least approximately 100 gf. 9. An adsorbent polymer composition as per claim 8 with a BBS value of at least approximately 150 gf. 10. The adsorbent polymer component has a PUP capacity in synthetic urine solution of at least approximately 36 g/g under a limiting pressure of 0.7 psi after 4 hours, and a BBS value of at least approximately 100 gf. 11. An adsorbent polymer composition as per claim 10 must have a PUP capacity of at least approximately 38 g/g under a limiting pressure of 0.7 psi after 4 hours. 12. An adsorbent polymer composition as per claim 11 must have a PUP capacity of at least approximately 40 g/g under a limiting pressure of 0.7 psi after 4 hours. 13. An adsorbent polymer composition as per claim 12 must have a PUP capacity of at least approximately 42 g/g under a limiting pressure of 0.7 psi after 4 hours. 14. The polymer absorbent composition according to claim 10 exhibited PUP capacities ranging from approximately 36 g/g to approximately 58 g/g under a limiting pressure of 0.7 psi after 4 hours. 15. The polymer absorbent composition according to claim 14 exhibited PUP capacities ranging from approximately 38 g/g to approximately 55 g/g under a limiting pressure of 0.7 psi after 4 hours. 16. The polymer adsorbent composition according to claim 15 exhibits PUP capacities ranging from approximately 40 g/g to approximately 50 g/g under a limiting pressure of 0.7 psi after 4 hours. 17. An adsorbent polymer composition as per claim 10 with a BBS value of at least approximately 150 gf. 18. An adsorbent polymer composition as per claim 17 with a BBS value of at least approximately 200 gf. 19. An adsorbent polymer composition with a PUP capacity in synthetic urine solution of at least approximately 33 g/g under a limiting pressure of 0.7 psi after 4 hours, and a BBS value of at least approximately 150 gf. 20. An adsorbent polymer composition as per claim 19 must have a PUP capacity of at least approximately 35 g/g under a limiting pressure of 0.7 psi after 4 hours. 21. An adsorbent polymer composition as per claim 20 must have a PUP capacity of at least approximately 37 g/g under a limiting pressure of 0.7 psi after 4 hours. 22. An adsorbent polymer composition as per claim 21 must have a PUP capacity of at least approximately 40 g/g under a limiting pressure of 0.7 psi after 4 hours. 23. The polymer adsorbent composition according to claim 19 exhibited PUP capacities ranging from approximately 33 g/g to approximately 58 g/g under a limiting pressure of 0.7 psi after 4 hours. 24. The polymer absorbent composition according to claim 23 exhibits PUP capacities ranging from approximately 35 g/g to approximately 55 g/g under a limiting pressure of 0.7 psi after 4 hours. 25. The polymer adsorbent composition according to claim 24 exhibits PUP capacities ranging from approximately 37 g/g to approximately 50 g/g under a limiting pressure of 0.7 psi after 4 hours. 26. An adsorbent polymer composition as per claim 19 with a BBS value of at least approximately 200 gf. 27. An adsorbent polymer component with a PUP capacity of at least approximately 30 g/g in synthetic urine solution under a limiting pressure of 0.7 psi after 4 hours, and a BBS value of at least approximately 200 gf. 28. An adsorbent polymer composition as per claim 27 must have a PUP capacity of at least approximately 32 g/g under a limiting pressure of 0.7 psi after 4 hours. 29. An adsorbent polymer composition as per claim 28 must have a PUP capacity of at least approximately 34 g/g under a limiting pressure of 0.7 psi after 4 hours. 30. An adsorbent polymer composition as per claim 29 must have a PUP capacity of at least approximately 37 g/g under a limiting pressure of 0.7 psi after 4 hours. 31. The polymer absorbent composition according to claim 27 exhibits PUP capacities ranging from approximately 30 g/g to approximately 58 g/g under a limiting pressure of 0.7 psi after 4 hours. 32. The polymer absorbent composition according to claim 31 exhibited PUP capacities ranging from approximately 32 g/g to approximately 55 g/g under a limiting pressure of 0.7 psi after 4 hours. 33. The polymer adsorbent composition according to claim 32 exhibits PUP capacities ranging from approximately 34 g/g to approximately 50 g/g under a limiting pressure of 0.7 psi after 4 hours. 34. An adsorbent for the containment of bodily fluids of the watery type, consisting of at least one region containing an adsorbent polymer component as described in Reputation 1. 35. An adsorbent for the containment of bodily fluids of the watery type, consisting of at least one region containing an adsorbent polymer component as specified in Reputation 10. 36. An adsorbent for the containment of bodily fluids of the watery type, consisting of at least one region containing an adsorbent polymer component as per claim 19. 37. An adsorbent for the containment of bodily fluids of the watery type, consisting of at least one region containing an adsorbent polymer component as specified in Reputation 27. 38. An adsorbent piece consisting of a liquid-permeable upper plate, a lower plate, and an adsorbent core placed between the upper and lower plates, which contains the adsorbent as described in claim 34. 39. An adsorbent piece consisting of a liquid-permeable upper plate, a lower plate, and an adsorbent core placed between the upper and lower plates, which contains the adsorbent as described in claim 35. 40. An adsorbent piece consisting of a liquid-permeable upper plate, a lower plate, and an adsorbent core placed between the upper and lower plates, which contains the adsorbent as described in claim 36. 41. An adsorbent piece consisting of a liquid-permeable upper plate, a lower plate, and an adsorbent core placed between the upper and lower plates, which contains the adsorbent as described in claim 37 (Clause 41, page 4, Figure).