Patent application number | Description | Published |
20080214740 | Hydrolytically Stable Postcrosslinked Superabsorbents - The present invention relates to a process for producing postcrosslinked water-absorbing polymeric formations, comprising the steps of contacting water-absorbing polymeric formations P | 09-04-2008 |
20080221277 | Water-Absorbing Polymer Structure with Improved Absorption Properties - A water-absorbing polymer structure is disclosed, whose surface has been brought into contact with a combination of a metal salt and an oxide of a metal. The invention also relates to a process for treating the surface of water-absorbing polymer structures whereby the surface of water-absorbing polymer structures is brought into contact with a combination of a metal salt and an oxide of a metal at a temperature of from about 50 to about 300° C. The present invention further relates to the water-absorbing polymer structures obtainable by this process, a composite comprising a water-absorbing polymer structure and a substrate, chemical products such as foams and fibers comprising water-absorbing polymer structures or a composite, and the use of a combination of an oxide of a metal and of a metal salt for treatment of the surface of super-absorbing polymer structures. | 09-11-2008 |
20080280128 | Water-Absorbing Polymer Structure Surface-Treated with Polycations - The present invention relates to water-absorbing polymer structures, whose surface has been brought into contact with a compound comprising a polycation and at least one anion. The invention further relates to a process for treating the surface of water-absorbing polymer structures, the surface-treated water-absorbing polymer structures obtainable by this process, a composite comprising a surface-treated, water-absorbing polymer structure as well as a substrate, a process for production of a composite, the composite obtainable by this process, chemical products such as foams, formed bodies, and fibers comprising surface-treated water-absorbing polymer structures or a composite, the use of surface-treated, water-absorbing polymer structures or of a composite in chemical products as well as the use of compounds comprising a polycation with a given structure for the treatment of the surface of water-absorbing polymer structures. | 11-13-2008 |
20090023848 | SUPERABSORBENT POLYMER COMPOSITIONS HAVING COLOR STABILITY - The invention relates to absorptive, crosslinked polymeric compositions that are based on partly neutralized, monoethylenically unsaturated monomer carrying acid groups wherein the absorptive, crosslinked polymeric composition further includes an antioxidant and is color stable. | 01-22-2009 |
20090105389 | PREPARATION OF HIGHLY PERMEABLE, SUPERABSORBENT POLYMER STRUCTURES - The present invention relates to a superabsorber composition comprising
| 04-23-2009 |
20100286287 | WATER-ABSORBING POLYMER STRUCTURE WITH IMPROVED COLOR STABILITY - The present invention relates to a water-absorbing polymer structure comprising about 10 to about 100,000ppm, based on the solids content of the water-absorbing polymer structure, of a non-polymerized sulphonate, a non-polymerized salt of a sulphonate or a mixture of a non-polymerized sulphonate and a non-polymerized salt of a sulphonate, and less than 1,000 ppm, based on the solids content of the water-absorbing polymer structure, of non-polymerized sulphites, non-polymerized bisulfites, non-polymerized sulphinates or non-polymerized salts of these compounds. | 11-11-2010 |
20110009841 | SUPERABSORBENT POLYMER COMPOSITIONS HAVING COLOR STABILITY - The invention relates to absorptive, crosslinked polymeric compositions that are based on partly neutralized, monoethylenically unsaturated monomer carrying acid groups wherein the absorptive, crosslinked polymeric composition further includes an antioxidant and is color stable. | 01-13-2011 |
20120083411 | SUPERABSORBENT POLYMER COMPOSITIONS HAVING COLOR STABILITY - The invention relates to absorptive, crosslinked polymeric compositions that are based on partly neutralized, monoethylenically unsaturated monomer carrying acid groups wherein the absorptive, crosslinked polymeric composition further includes an antioxidant and is color stable. | 04-05-2012 |
20120145956 | PLASMA MODIFICATION OF WATER-ABSORBING POLYMER STRUCTURES - The present invention relates to a process for producing surface-modified water-absorbing polymer structures, comprising the process steps of providing a multitude of water-absorbing polymer structures and treating the surface of the water-absorbing polymer structures with a plasma and mixing a filler with the water-absorbing polymer structures. The invention also relates to an apparatus for this process, to the surface-modified water-absorbing polymer structures obtainable by this process, to a composite comprising these surface-modified water-absorbing polymer structures and a substrate, to a process for producing a composite, to a composite obtainable by this process, to chemical products comprising these surface-modified water-absorbing polymer structures or the composite, and to the use of the surface-modified water-absorbing polymer structures or of the composite in chemical products. | 06-14-2012 |
20140350191 | WATER-ABSORBING POLYMER STRUCTURE HAVING IMPROVED PERMEABILITY AND ABSORPTION UNDER PRESSURE - The present invention relates to a process for the preparation of water-absorbing polymer structures, comprising the following process steps:
| 11-27-2014 |