| 摘要 |
<p>An improved absorbent composite mat (18) comprising at least one layer of a nonwoven natural-fiber laminar web (10) attached to a nonwoven synthetic fibrous laminar web (12) is disclosed. At least one surface of the composite mat is impregnated with a polymeric emulsion (14). A preferred embodiment of the invention utilizes raw staple cotton as the natural fiber. This is fed to a garnet to form a web (10), which is then attached to a thinner synthetic web (12) by a needling process (30). Finally, it is sprayed with a polymeric emulsion (14) containing polyvinyl chloride to afford buoyancy to the mat.</p> |
