多巴胺改性醛基纤维素基复合薄膜  

Composite Membranes of Dopamine-modified Aldocellulose

作　　者：柳振龙 李欣 黄磊 朱焱 林宁 LIU Zhen-long;LI Xin;HUANG Lei;ZHU Yan;LIN Ning(School of Chemistry,Chemical Engineering and Life Sciences,Wuhan University of Technology,Wuhan 430070,China;Huangshi Donper Compressor Co Ltd,Huangshi 435000,China)

机构地区：[1]武汉理工大学化学化工与生命科学学院,武汉430070 [2]黄石东贝压缩机有限公司,黄石435000

出　　处：《武汉理工大学学报》2023年第3期12-16,共5页Journal of Wuhan University of Technology

基　　金：湖北省自然科学基金(2021CFB302);国家大学生创新创业训练项目(+190)。

摘　　要：纤维素因具有可降解、无毒、环境友好以及可再生等特点,在制备复合薄膜领域应用广泛。研究以纤维素为原料,通过氧化修饰制备出醛基纤维素,进一步采用多巴胺进行化学修饰,提升醛基纤维素基体的粘附性,添加交联剂、增塑剂、防腐蚀剂成功制备了环保型、可降解的高透明复合薄膜,并探究了复合薄膜的各项基本性能。研究表明,该薄膜具有良好的光学透过性、较高的力学性能以及优良的抗紫外老化能力,具有广泛的应用前景。Cellulose is widely used in the preparation of composite films attributed to its degradable,non-toxic,environment-friendly and renewable characteristics.In this study,the transparent composite films were successfully prepared from the aldocellulose,based on the chemical modification by dopamine with the purpose of enhancing the adhesion,together with the addition of cross-linking agent,plasticizer and anti-corrosion agent.The fabricate composite membranes exhibited the good optical transmittance,high mechanical properties and excellent UV aging resistance,which has a wide applicationprospects.

关 键 词：纤维素衍生物 多巴胺 复合薄膜 力学性能 

分 类 号：O636[理学—高分子化学]