新型纤维素甲酸酯丝线的制备及其性能研究

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作者简介：，在读硕士研究生；研究方向：纤维素高值化利用。

关键词：纤维素甲酸酯；丝线；拉伸强度；取代度；水稳定性中图分类号：TS7 文献标识码：A DOI：10.11980/j.issn.0254-508X.2025.10.004

PreparationandPropertiesofNovelCelluloseFormateThreads

CAO Yuxiang1，2 WU Meiyan²LIU Yingying1*LI Bin²*

（1.CollgofLghtIdustrcienceadEnineering，ijinKeybofulpndPape，tateKeyLabfbasedFeals， TianjinUnivesityfiecedTcho，Tnjn57;StateKyLabfotelectricCoesidUltiofo QingdaoInstituteofioenergyandBoprocessTechnoogyChineseAcademyofScience，QingdaohandongProrince，66101 （ * E-mail： lyy@tust.edu.cn; libin@qibebt.ac.cn）

Abstract：Inthisstudy，celloseforate（CF）waspreparedbythereactionofcellosewithformicacid，andanovelCFthreadwapro duced by wet spinning using the formic acid solution of CF.When the reaction temperature was 50°C and the reaction time was 5h ，the formic acid solution of CF was passed through two-stage coagulation baths of 1% NaOH mass ratio and of 5% ZnSO 4 mass ratio，respectively， folowedbywashinganddrying，obtainingtheCFtreadswithuniformmorphology，ighstrength（tensilestrengthof151MPa），ecellent thermal stability （initial thermal decomposition temperature of 252 ∘C ） and water stability （showed no morphological change after being immersediwaterfor3ots）CFtdsdiertesiletrengthansoeepordanocelloseacterialelloendoidd generated cellulose based threads.

Key words：celllose formate; threads；tensile strength；degree of substitution；water resistance

纤维素甲酸酯（CF）是纤维素表面的醇羟基与甲酸发生酯化反应，从而在纤维素表面引入酯基，获得的纤维素酯类衍生物。（剩余15126字）