硬脂酸改性含木質(zhì)素的纖維素微納米纖絲增強(qiáng)紙基復(fù)合材料防水防油性能研究

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作者簡介：，在讀碩士研究生；研究方向：紙基功能性材料。

關(guān)鍵詞：含木質(zhì)素的纖維素微納米纖絲；硬脂酸；阻隔紙；防水防油性能 中圖分類號：TS762.6 文獻(xiàn)標(biāo)識碼：A DOI：10.11980/j.issn.0254-508X.2025.04.008

Study on Enhancing Waterproof and Oil-proof Performance of Paper-based Composites with Stearic Acid-modifiedLignin-containingCelluloseMicro/Nanofibrils

WANG Wanhua GU XunhongDONG Xinrui CHEN JiajunYU Zhongyu ZHENG GuibinLI Bo* （StakeKeyLabofPulpandPaperEngineering，SouthChina UniversityofTechnology，Guangzhou，GuangdongProvince，510640） （ -mail：ppboli@scut. edu.cn）

Abstract：Thisstudyutldbachducalypuspuopreparelgontanngcellemanobils（M），ancgaterprofbatiglochaialanssingstaricacideodifedilse tensequentiallyeposidonhfieaperaloidemodifiedLCM，foingthehancingpaperbasedcompositesithatoplayerofLMNFandamidlelaerofmodifedbrilsinabilaer structure.Thougalpresigproess，eflersucurestighloed，proviewateofdo mance of the paper-based composites. The results showed that value and air permeability of the prepared paper-based composites that depositing modified and of unmodified LCMNF were significantly reduced to and ?0 . 0 0 3 μ m/ （ P a? s） ，respectively，which were 16. 2 % and 0 . 0 2 % ofthoseoftheoriginal paper.Meanwhile，the kitvalue increased fromOto12，demonstratingasignificant enhancement in oil-proof performance.

Keywords：lignin-containingcellulose micro/nanofibrils；stearicacid;barierpaper;waterprofandoil-proofperformance

目前，石化聚合物是食品包裝材料的主要來源之一，占比接近 5 0 % ，其中塑料薄膜因其優(yōu)異的防水性能和機(jī)械性能，成為食品包裝材料中的優(yōu)勢選擇但隨著社會的快速發(fā)展，人們逐漸發(fā)現(xiàn)廢棄塑料會對環(huán)境造成不可逆的負(fù)面影響，不僅會對生態(tài)環(huán)境造成危害，還會危及人類健康[2-3]。（剩余13900字）