| 摘要 |
<p>A nonwoven web having durable hydrophilic properties is prepared from an initially hydrophobic polymer chemically reacted with a polar material to form a polar-modified polymer, and further chemically reacted with a hydrophilic material to impart the hydrophilic properties. The hydrophilic polymer reaction product thus prepared can be formed into a nonwoven web using conventional melt spinning techniques. Alternatively, a nonwoven web can be formed from the hydrophobic polymer or its polar-modified intermediate, and the remaining reaction or reactions accomplished by surface grafting.</p> |
