| 摘要 |
<p>This invention is directed to water swellable films of a lightly crosslinked polyelectrolyte and to a method for their preparation. Films of this invention are characterized by having a density of 0.3 to 1.1 grams per cubic centimeter and a water absorbence rate of not greater than 60 seconds. The films are useful wherever aqueous solutions such as, for example, urine and blood, need to be absorbed. Examples of the diverse utilities include catamenial tampons, diapers/ paper towels, disposable door mats, disposable bath mats, and disposable litter mats for household pets. 18,045-F</p> |
