| 摘要 |
<p>A multi-layered PTFE hollow fiber membrane of the present invention shows high removal efficiency of particulate contaminants and improves reverse washing efficiency by being used as a filter layer by minutely adjusting the pores of an outer active layer. The multi-layered PTFE hollow fiber membrane includes a hollow, a PTFE support layer, and an ultra high molecular weight polyethylene layer.</p> |
