【摘要】 以空气过滤原纸为基材，高可纺性的聚丙烯腈（PAN）和高性能间位芳纶短切纤维（PMIA）为原料，利用静电纺丝技术，制备PAN/PMIA共混纳米纤维复合空气过滤纸。通过调整2种特种纤维的质量比，制备具有良好过滤性能和较好耐高温性能的复合空气过滤纸。结果表明，PAN与PMIA质量比为3∶7的PAN/PMIA共混纳米纤维复合空气过滤纸的过滤效率为99.995%，初始阻力为79.01 Pa，容尘量为175 g/m~2。经一系列热处理后，复合空气过滤纸的过滤效率可保持在99.960%以上。更多还原

【Abstract】 PAN/PMIA blended nanofiber composite air filter paper was prepared by electrostatic spinning technology using air filter base paper as substrate, polyacrylonitrile(PAN) with high spinnable and meta-aramid(PMIA) with high performance as raw materials. By adjusting the mass ratio of two specialty fiber, a composite air filter paper with good filtration performance and high temperature resistance was prepared. The results showed that when the mass ratio of PAN to PMIA was 3∶7, the filtration efficiency of PAN/PMIA blended nanofiber composite filter paper was 99. 995%, the initial resistance was 79. 01 Pa, and the dust capacity was 175 g/m~2. After a series of heat treatment, the filtration efficiency of the composite filter paper could be maintained above 99. 960%.更多还原