纤维素纳米晶体/低共熔溶剂彩虹膜的制备及性能研究

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关键词：纤维素纳米晶体；结构色；低共熔溶剂；彩虹膜中图分类号：TS71 文献标识码：A DOI：10.11980/j.issn.0254-508X.2025.10.014

Preparation and Properties of Iridescent Films with Celulose Nanocrystals and Deep Eutectic Solvents

MENG Yahui1.2.3.*XU Qingliang2ZHAO Huifang²SHA Lizheng²HE Zhiyang2 （1.CollgeofaterialscienceandEngineering，NortheastForestryUniversityHarbin，HeilongjiangProvince，; 2.ScholofEiromentndtureResouces，ZejngUiersityfencendTcolongohejgrovc; 3.Zhejiang Jingxing Paper Industry Co.，Ltd.， Jiaxing，Zhejiang Province，314214） （ -mail：mengyahui2707@zust.edu.cn）

Abstract：Tisdysuccfullbradiblecelloeaoalstrucallloditeatigdpcovent（DES）intotheCsysttrougheaporati-nducdself-assemblyetodandvacuum-asstdself-asseblyetodeiteac tionmechanismbetween DESandCNC，along withthefectsofbothasemblyechniquesonthfim’smicrostructure，structuralcolor， mechanicalproperis，andumidityesposiveehavir，weresystematicallyvestigated.eesultssowdthatbothmethodseaced theflexibilityofCCfis.hevacu-asistedasmblyappoachendowedtheCNC-VadCN/DES-fiswithuifostrucualolors （pearl-blue and cyan-blue），smaller polydomain structures and pitches （132 and 160nm ），higher tensile strengths（58.4±2.1） MPa and （27.9±1.7）a），ndaorditesoieolorge（frobuetolgllo）s，poratidd semblymethodproviedtheCNC-EandCNC/DES-Efiswithbrighterstructuralcolors（blueandcyan），largerpiches（36and75nm）， and a broader humidity-induced color-shifting range （from cyan to orange）.

Key words：cellulose nanocrystals；structure color；deep eutectic solvents；iridescent films

结构色源于光在周期性层状或晶格结构中的折射、漫反射、衍射或干涉现象，广泛存在于鸟类羽毛、昆虫角质层、鱼鳞及果实等动植物中3。（剩余9907字）