原纤化PAN纤维打浆度和碳纤维含量对碳纸性能的影响  

Effects of Beating Degree and Carbon Fiber Content of Fibrillated PAN Fiber on Properties of Carbon Paper

作　　者：张倩倩 宋辰颖 李海龙 胡健 ZHANG Qianqian;SONG Chenying;LI Hailong;HU Jian(School of Light Industry and Engineering,South China University of Technology,Guangzhou,Guangdong Province,510640)

机构地区：[1]华南理工大学轻工科学与工程学院,广东广州510640

出　　处：《中国造纸》2024年第9期115-121,共7页China Pulp & Paper

基　　金：广东省基础与应用基础研究基金项目(2019B151502043);国家自然科学基金青年科学基金项目(22208069)。

摘　　要：本研究以原纤化聚丙烯腈(PAN)纤维与PAN碳纤维(简称碳纤维)为原料,通过湿法造纸成形工艺、碳化处理,制备了复合碳纸,并探索打浆度和碳纤维含量对碳纸性能的影响。结果表明,随着碳纤维含量降低,碳纸的拉伸强度增加;随着PAN纤维的原纤化程度(打浆度)升高,碳纸的拉伸强度增加。原纤化PAN纤维和碳纤维所制碳纸拥有优异的透气性,并同时具备良好的柔韧性和拉伸强度,综合性能最好的碳纸透气度为465.4 mm/s,拉伸强度为2.0 MPa。In this study,composite carbon paper was prepared from fibrillated polyacrylonitrile(PAN)fibers and PAN carbon fibers(re‐ferred to as carbon fiber)by wet forming process and carbonization treatment,and the effects of beating degree and carbon fiber content on the properties of carbon paper were explored.The results showed that the tensile strength of carbon paper was better with the decrease of car‐bon fiber content.With the increase of the fibrillation degree(beating degree)of PAN fibers,the tensile strength of carbon paper was bet‐ter.The resulting carbon paper had excellent air permeability,as well as good flexibility and tensile strength at the same time.The carbon paper with the best overall performances had permeability of 465.4 mm/s and tensile strength of 2.0 MPa.

关 键 词：聚丙烯腈纤维浆粕 打浆度 碳纤维 拉伸强度 碳纸 

分 类 号：TS76[轻工技术与工程—制浆造纸工程]