| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a hollow fiber membrane which is free from defective parts, such as pinholes, membrane breakages, and which includes polyvinyl pyrrolidone. <P>SOLUTION: In the hollow fiber membrane including polyvinyl pyrrolidone, a mode diameter at the secondary peak of the particle diameter distribution of a soluble polyvinyl pyrrolidone extracted from the hollow fiber membrane measured by a dynamic light-scattering method is≤300 nanometers. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
