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基于静电纺PAN/PMIA共混纳米纤维复合空气过滤纸的制备及性能研究
Preparation and Properties of PAN/PMIA Blended Nanofiber Composite Air Filter Paper Based on Electrostatic Spinning
收稿日期:2023-10-10  
DOI:10.11980/j.issn.0254-508X.2024.04.010
关键词:  复合空气过滤纸  静电纺丝  过滤效率  过滤阻力
Key Words:composite air filter paper  electrostatic spinning  filtration efficiency  filtration resistance
基金项目:国家重点研发计划项目(2022YFC2105503)。
作者单位邮编
高洋 天津科技大学轻工科学与工程学院天津市制浆造纸重点实验室天津300457 300457
惠岚峰* 天津科技大学轻工科学与工程学院天津市制浆造纸重点实验室天津300457 300457
赵铭月 天津科技大学轻工科学与工程学院天津市制浆造纸重点实验室天津300457 300457
杨乾 天津科技大学轻工科学与工程学院天津市制浆造纸重点实验室天津300457 300457
张宜宜 天津科技大学轻工科学与工程学院天津市制浆造纸重点实验室天津300457 300457
郭雯雯 天津科技大学轻工科学与工程学院天津市制浆造纸重点实验室天津300457 300457
王清硕 天津科技大学轻工科学与工程学院天津市制浆造纸重点实验室天津300457 300457
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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/m2。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。
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/m2. After a series of heat treatment, the filtration efficiency of the composite filter paper could be maintained above 99.960%.
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