초록

A water vapor adsorption and water retaining composition containing particulate calcium chloride and cellulose fiber in a flexible container having a side of spun-bonded polyethylene heat sealed to a side of extrusion coated polyethylene on polyester. The foregoing composition can also contain clay.

대표청구항 ▼

The invention claimed is: 1. A water vapor adsorption and water retaining composition comprising particulate calcium chloride and particulate cellulose fiber, wherein said calcium chloride is present by weight in an amount of between about 5% and 90%, wherein said cellulose fiber is present in an a

The invention claimed is: 1. A water vapor adsorption and water retaining composition comprising particulate calcium chloride and particulate cellulose fiber, wherein said calcium chloride is present by weight in an amount of between about 5% and 90%, wherein said cellulose fiber is present in an amount of between about 20% and 95%, and wherein said calcium chloride is of a size of between about 0.6 mm and 4.7 mm. 2. A composition as set forth in claim 1 wherein said cellulose fiber is of a size of between about 0.6 mm and 2 mm. 3. A composition as set forth in claim 1 wherein said calcium chloride is present by weight in an amount of about 46% and said cellulose fiber is present in an amount of about 54%. 4. A composition as set forth in claim 1 wherein said calcium chloride is present by weight in an amount of between about 15% and 75% and wherein said cellulose fiber is present in an amount of between about 30% and 80%. 5. A composition as set forth in claim 4 wherein said cellulose fiber is of a size of between about 0.6 mm and 2 mm. 6. A composition as set forth in claim 1 wherein said calcium chloride is present by weight in an amount of between about 35% and 55% and wherein said cellulose fiber is present in an amount of between about 50% and 70%. 7. A composition as set forth in claim 6 wherein said cellulose fiber is of a size of between about 0.6 mm and 2 mm. 8. A water vapor adsorption and water retaining composition consisting essentially of particulate calcium chloride and particulate cellulose fiber, wherein said composition is in a water vapor permeable container comprising a flexible container having a side of spun-bonded polyethylene and a side of extrusion coated polyethylene on polyester wherein the side of extrusion coated polyethylene is on the inside of the container. 9. A water vapor adsorption and water retaining composition consisting essentially of particulate calcium chloride, particulate cellulose fiber and clay in a water vapor permeable container, wherein said composition is in a water vapor permeable container comprising a flexible container having a side of spun-bonded polyethylene and a side of extrusion coated polyethylene on polyester, wherein the side of extrusion coated polyethylene is on the inside of the container. 10. A water vapor permeable container containing a water vapor adsorbing and liquid water retaining composition comprising particulate calcium chloride and particulate cellulose fiber, wherein said calcium chloride is present by weight in an amount of between about 5% and 90% and wherein said cellulose fiber is present in an amount of between about 20% and 95%, and wherein said calcium chloride is of a size of between about 0.6 mm and 4.7 mm. 11. A water vapor permeable container as set forth in claim 10 wherein said cellulose fiber is of a size of between about 0.6 mm and 2 mm. 12. A water vapor permeable container as set forth in claim 10 wherein said calcium chloride is present by weight in an amount of between about 15% and 75% and wherein said cellulose fiber is present in an amount of between about 30% and 80% and wherein said cellulose fiber is of a size of between about 0.6 mm and 2 mm. 13. A water vapor permeable container as set forth in claim 10 wherein said calcium chloride is present by weight in an amount of about 46% and said cellulose fiber is present in an amount of about 54%. 14. The vapor permeable container of claim 10 wherein said water vapor permeable container comprises a flexible container having a side of spun-bonded polyethylene and a side of extrusion coated polyethylene on polyester, wherein the side of extrusion coated polyethylene is on the inside of the container. 15. A water vapor permeable container as set forth in claim 10 wherein said calcium chloride is present by weight in an amount of between about 35% and 55% and wherein said cellulose fiber is present in an amount of between about 50% and 70%. 16. A water vapor permeable container as set forth in claim 15 wherein said cellulose fiber is of a size of between about 0.6 mm and 2 mm. 17. A water vapor permeable container containing a water vapor adsorbing and liquid water retaining composition consisting essentially of particulate calcium chloride and particulate cellulose fiber in a water vapor permeable container wherein said water vapor permeable container comprises a flexible container having a side of spun-bonded polyethylene and a side of extrusion coated polyethylene on polyester, wherein the extrusion coated polyethylene is on the inside of said container. 18. A water vapor permeable container as set forth in claim 17 wherein said calcium chloride is present by weight in an amount of about 46% and said cellulose fiber is present in an amount of about 54%. 19. A water vapor permeable container as set forth in claim 17 wherein said calcium chloride is present by weight in an amount of between about 5% and 90% and wherein said cellulose fiber is present in an amount of between about 20% and 95%. 20. A water vapor permeable container as set forth in claim 19 wherein said calcium chloride is of a size of between about 0.6 mm and 4.7 mm and wherein said cellulose fiber is of a size of between about 0.6 mm and 2 mm. 21. A water vapor permeable container as set forth in claim 17 wherein said calcium chloride is present by weight in an amount of between about 15% and 75% and wherein said cellulose fiber is present in an amount of between about 30% and 80%. 22. A water vapor permeable container as set forth in claim 21 wherein said cellulose fiber is of a size of between about 0.6 mm and 2 mm. 23. A water vapor permeable container as set forth in claim 17 wherein said calcium chloride is present by weight in an amount of between about 35% and 55% and wherein said cellulose fiber is present in an amount of between about 50% and 70%. 24. A water vapor permeable container as set forth in claim 23 wherein said cellulose fiber is of a size of between about 0.6 mm and 2 mm.