双醛淀粉/硅烷化CNF双涂层高性能阻隔纸的制备及其性能研究

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关键词：纤维素纳米纤维；淀粉；阻隔性能；涂布纸图分类号： TS758+ .1 文献标识码：A DOI：10.11980/j.issn.0254-508X.2026.04.00

Preparation and Performance Study of High-performance Barrier Paper Based on Dialdehyde Starch/Silanized CNF Bilayer Coatings

WEN Hui1.2*KUI Minghong1，2²MA Hongsheng23WANG Bin4

（1.GuangdongGuanhaoHighTechCo，Ld.Zhanjiang，GuangdongProvince，242;2.GuangdongGuanhaoNewMaterialR&DCo，

Ltd.，GuangzhouGuangdongProince，1;ZuhiHngtRenengckagingCo，LdZuhaangdongProce0; 4.ScholofLightIndustryandEngneeing，South ChinaUniversityofTechnology，Guangzhou，GuangdongProvince，） （*E-mail：wenhuil427@126.com）

Abstract：Inthisstudydaldehdesach（DAS）andsilanzedcellosenanoibrils（H-CN）weresyntesizedfromcassvstarchand bleachedsoftwoodpulpviasodiumperiodateoxidationandsilaneodification，respectivelyAsuperhdropobcDAS/H-CFua-oated high-performancebarierpaperwassubsequentlyfabrcatedbysequentiallycoatingDASandspraingH-NFontothebasepaper.Thisdesignsynergisticallintegatedtesfidbyeexcelntim-fingproprtsofSwithelosurfaeeedfro the micro/nano structure of H-CNF.The results demonstrated that at a DAS coating weight of 4g/m2 and an H-CNF coating weight of 0.4g/m2 ， theDAS/-CNaedpapeedstandigatedey，swelasexcelosuedrpefoms cifically，the water contact angle reached up to 150.1∘ ，and the oil repellency achieved the maximum kit rating of 12.The Cobb6O value and water vapor transmission rate （WVTR） were reduced to 3.12g/m2 and 49.35g/（m2⋅d） ，representing significant decreases of 87.7% and 88.0% （204号 respectively compared to the base paper. Additionally，the air permeability dropped to 0.765μm/（Pa⋅s） ，indicating an 85.9% reduction comparedtohebasepaper.Meanile，temechanicalpropertisof tepaperwereenancedTetensilestrengthindex，teardexandburst ing resistance index increased by 37.5% ， 19.9% ，and 56.7% ，respectively，compared to the base paper.Furthermore，the functionalized paper could achieve complete biodegradation within 35 days in a natural environment.

ey words：cellulose nanofibers；starch；barrier properties；coating paper

纸基包装材料凭借其无毒、轻质、可生物降解及机械柔韧等特性，已成为替代一次性塑料制品的潜在材料之一，其对于缓解“白色污染”、推动“以纸代塑”目标实现具有重要意义[1-3]。（剩余14361字）