界面聚合制备聚酰胺/木质素纳米颗粒复合纳滤膜及其性能研究

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作者简介：，在读硕士研究生；研究方向：木质素基功能材料。

关键词：木质素纳米颗粒；聚酰胺；复合纳滤膜；界面聚合 中图分类号：TS79 文献标识码：A DOI：10.11980/j.issn.0254-508X.2025.12.004

Preparation and Performance of Polyamide/Lignin Nanoparticle Composite Nanofiltration MembranesviaInterfacial Polymerization

LIU Hai' HAO Zhenxin1，2 LYU Zilu³LI Chenyu²DAI Lin1* （1.ColegeofLightIdustryndEgineringtateKeyabfioasedFberMaterials，anjinKeyLabfulpndPapein UniversityofcienceandTechnology，ianjin3O457；2.ilitaryMedicalSciencesAcademy，AcademyofMilitaryiences， Tianjin，3Oo05O；3.China National Pulp andPaperResearch InstituteCo.，Ltd.，Beijing，100102） （*E-mail：dailin@tust.edu.cn））

Abstract：TisdplodinterfacialplmerzatiousingethaolEtOH）andyleeglyol（G）asesolentstetobcate polyamide/ligninanoparticle（L）compositeanofiltrationmembrans.Byoptiiingsoenttypendactiontie，thissudyssteatcallanalyzedtemembraestructureandeparatioperforanceTheesultsshowedtatintroducingLNPsignifcantlypromotedtete facialpolymeztoeactioacingteoslingdgrandmpacssoftelyaidelyeromparedithtepse brane，theL-EOHcompositenanofilratiomembraneebiedfurterimprovedhrophilicity，withthewatercontactangledeceasing from 15.93∘ to 11.98∘ . Underoptimized reaction conditions，the LNP-EtOH2-1 nanofiltration membrane （2 indicated a 2-min reaction in theaqueousphase，indicateda-mireactionintheoilpase）deliveredthbestpeformance，withafluxof6O.4L/m·h）andaejectio of 32. 94% for NaCl，and a flux of 51.7 L/（m·h） and a rejection of 97. 14% for Na2SO4

Key words：lignin nanoparticle；polyamide；composite nanofiltration membranes；interfacial polymerization

纳滤技术作为一种介于反渗透与超滤之间的压力驱动型膜分离方法，在水处理、离子分离及有机小分子去除等方面具有独特优势，近年来发展迅速[13]。（剩余15423字）