PDA/EA光固化树脂的光热效应及光响应形状记忆行为研究  

Study on Photothermal Effect and Light-responsive Shape Memory Behavior of PDA/EA Photopolymer Resin

作　　者：陈现景 于浩 刘博 穆雅楠 于虎娜 CHEN Xianjing;YU Hao;LIU bo;MU Ya'nan;YU Hu'na(Shandong Institute for Product Quality Inspection,Ji'nan 250000,China;Shandong General Tobacco New Material Technology Co.,Ltd.,Ji'nan 250000,China)

机构地区：[1]山东省产品质量检验研究院,山东济南250000 [2]山东将军烟草新材料科技有限公司,山东济南250000

出　　处：《塑料科技》2025年第2期47-52,共6页Plastics Science and Technology

摘　　要：通过引入聚多巴胺(PDA)增强交联作用和界面相互作用,制备一系列不同配比的聚多巴胺/环氧丙烯酸酯(PDA/EA)固化物,利用动态热机械(DMA)和热失重(TGA)等方法进行分析。结果表明:PDA的掺入有效提高了材料的储能模量、交联密度、损耗模量峰值温度及热稳定性。同时,PDA/EA材料在近红外(NIR)光源下表现出良好的光热效应,具有较好的光吸收性、光稳定性和光控制性。特别是在光强度为1 W/cm^(2)的808 nm NIR光照射下,PDA-EA-0.1的固化材料在60 s内即可完成光响应形状回复。PDA/EA固化物具有优异的光热转化效率和形状记忆性能,在光热治疗和微纳米结构控制等领域的应用前景广阔。By introducing polydopamine(PDA)to enhance cross-linking and interfacial interactions,a series of polydopamine/epoxy acrylate(PDA/EA)cured products with various ratios were prepared and analyzed using methods such as dynamic mechanical analysis(DMA)and thermogravimetric analysis(TGA).The results show that the incorporation of PDA effectively increased the storage modulus,cross-linking density,peak temperature of loss modulus,and thermal stability of the materials.Additionally,PDA/EA materials exhibited good photothermal effects under NIR light,with desirable light absorption,photostability,and light controllability.Especially under 808 nm NIR light with an intensity of 1 W/cm^(2),the cured material of PDA-EA-0.1 could complete photo-responsive shape recovery within 60 s.PDA/EA cured products have excellent photothermal conversion efficiency and shape memory properties,and they hold broad prospects for application in fields such as photothermal therapy and micro/nanostructure control.

关 键 词：聚多巴胺 环氧丙烯酸酯 光热效应 光响应 形状记忆 

分 类 号：TB332[一般工业技术—材料科学与工程]