| 摘要 |
PURPOSE:To obtain the title sheet excellent in trapping ability, adhesivity, light and chemical resistance and electrical insulation by spinning, using melt blowing technique, a blend prepared by mixing PE and PP with each specific melt flow at a specified ratio into a fibrous web of specified fiber diameter. CONSTITUTION:A blend prepared by mixing (A) PE >=30 (pref. 40-200) in melt flow and (B) PP >=50 (pref. 70-500) in melt flow at the weight ratio PE/PP (5:95)-(90:10) [pref. (20:80)-(70:30)] is spun using melt blow technique into fibrous web 0.5-4.0mum in mean fiber diameter, thus obtaining the objective sheet. |
