现代纺织技术2025，Vol.33Issue(6)：1-8,8.DOI:10.19398/j.att.202409049
溶喷纺PVA纤维的制备及性能
Preparation and properties of solution blow spinning PVA fibers
摘要
Abstract
As the application of nanofibers becomes increasingly widespread,research on methods for preparing nanofibers has also grown significantly,primarily encompassing electrospinning,melt-blowing spinning,phase separation,centrifugal spinning,and solution blow spinning technology(abbreviated as SBS).Among them,electrospinning technology has emerged as a hotspot in nanofiber preparation due to its advantages such as simple operation,excellent fiber-forming properties,and strong adaptability to spinning solutions. However,the application of high-voltage electric fields limits the industrialization of electrospinning.Instead,SBS technology employs high-speed airflow to stretch polymer solutions instead of relying on electrostatic forces,achieving nanofiber formation without the dependency on high-voltage electric fields.Meanwhile,SBS technology has the more advantages than electrospinning,such as premium efficiency and huge prospects for industrialization.Thus,this technology has attracted more and more attention in recent years for nanofiber fabrication.However,current research and applications of SBS technology primarily use highly volatile organic solvents,and the use of low-volatility solvents(such as pure water)has always been a challenge.Especially in environments with high humidity,the moisture in the fibers cannot fully evaporate before reaching the collector,leading to inadequate stretching of the polymer molecules and affecting the fiber morphology.The selection of materials and processes suitable for aqueous solution SBS technology represents a significant breakthrough in achieving environmentally friendly solution blow spinning. Polyvinyl alcohol(PVA),as a good water-soluble degradable material,not only has good fiber forming performance and high chemical stability and biocompatibility,but also has a large number of negatively charged hydroxyl groups on the molecular chain.This makes it suitable for adsorbing heavy metal ions and chemical dyes,and it can also be functionalized through chemical modifications.In this study,water-soluble PVA is used as the raw material to explore SBS technology for aqueous solution,aiming to realize green and sustainable nanofiber preparing.By integrating condensation drying,adsorption drying,infrared heating,and other techniques with the solution blow spinning technology,the study reduces the impact of environmental humidity on the spinning performance of aqueous solutions.By optimizing parameters such as the mass fraction and properties of the spinning solution,traction air volume,and solution flow rate,the surface morphology and diameter distribution of PVA fibers are improved.Additionally,tartaric acid(TA)is used as a crosslinking agent to enhance the water resistance and thermal stability of PVA nanofibers.The research results expand the application of water-soluble nanofibers in catalysis,filtration,energy storage,sensing and biomedicine.关键词
溶喷纺丝/聚乙烯醇/纳米纤维/交联改性Key words
solution blow spinning/polyvinyl alcohol/nanofibers/crosslinking modification分类
化学工程引用本文复制引用
文洪权,刘奇,曹群香,罗杰,陈丽杰..溶喷纺PVA纤维的制备及性能[J].现代纺织技术,2025,33(6):1-8,8.基金项目
武汉纺织大学纺织纤维及制品教育部重点实验室开放基金项目(2024) （2024）
