纺织工程学报2025，Vol.3Issue(3)：19-25,7.
球磨时间对液晶聚芳酯纳米纤维化及成膜效果的影响研究
Study on effect of ball milling time on the nanofibrosis and film forming property of liquid crystal polyarylester
摘要
Abstract
Liquid crystal polyarylester(PAR)nanofibers have excellent comprehensive properties,especially in high-end fields where the mechanical properties of materials are extremely high,and can better replace aramid nanofibers in some scenarios to make up for the cost and processing drawbacks of aramid nanofibers.However,the preparation process of PAR nanofibers still needs to be studied systematically.Liquid crystal polyarylester(PAR)primary fiber was treated by wet ball milling.The degree of PAR fiber nanofibrosis and the suspension stability of PAR fiber were studied under different ball milling time.Then,the PAR nanofibers were prepared in-to nanofiber membrane by wet paper making process.When the milling time is 50 min,the suspension stability of PAR coarse fiber is the best,the film forming effect is the best,the tensile strength reaches 148.7 MPa,and the elongation at break is 16.9%,which has good thermal stability and dimensional stability below 200℃.And the contact Angle is 64.6°,while the water absorption is only 9.1%.This treatment method of ball milling can provide a new idea for the preparation of PAR nanofibrosis.关键词
液晶态聚芳酯/球磨时间/纤维化程度/PAR纳米纤维膜/悬浮稳定性Key words
liquid crystal polyarylester/ball milling time/degree of fibrosis/PAR nanofiber membrane/suspen-sion stability分类
轻工纺织引用本文复制引用
闫旭阳,蔡玉寒,王煦怡,白莹,舍梦婷,王桦,熊思维..球磨时间对液晶聚芳酯纳米纤维化及成膜效果的影响研究[J].纺织工程学报,2025,3(3):19-25,7.基金项目
国家重点研发计划资助项目(2021YFB3700101) （2021YFB3700101）
中国纺织工业联合会应用基础研究资助项目(J202101) （J202101）
湖北省自然科学基金资助项目(2023AFB319) （2023AFB319）
高技术有机纤维四川省重点实验室资助项目(202306090009). （202306090009）
