纳米微纤丝制备中化学预处理的研究进展  

Research Progress on Chemical Pre-treatment of Cellulose Nanofibrils

作　　者：王宝玉[1] 李荣[1] 曾锦豪 何敏[1] WANG Baoyu;LI Rong;ZENG Jinhao;HE Min(School of Chemical Engineering and Technology,Guangdong Industry Polytechnic,Guangzhou 510300,China)

机构地区：[1]广东轻工职业技术学院轻化工技术学院,广东广州510300

出　　处：《造纸科学与技术》2020年第4期30-33,共4页Paper Science & Technology

基　　金：广东轻工职业技术学院团队项目(KYTD2018-005);广东轻工职业技术学院自然科学基金项目(KYTD2019-008)。

摘　　要：纳米微纤丝是通过化学法和机械法制备的纳米纤维素,其长径比大,成膜强度高。在医药、油漆和涂料、电子显示器、能量捕获和存储等等领域有潜在的应用前景。化学预处理有助于松弛微细纤维的结合和微细纤维的分离,降低后续机械处理的能耗和生产成本。论述了TEMPO氧化、羧甲基化、高碘酸盐氧化、磺化和季胺盐化等纳米微纤制备过程中的化学预处理方法。Cellulose nanofibrils are nano-cellulose prepared by the combination of chemical pre-treatment with mechanical methods,and they have a large aspect ratio and higher film strength.There are potential applications in the fields of pharmacy,paining and coating,electronic monitor,energy caption and storage.Chemical pretreatment facilities to relax the binding of microfibrils and the separation of microfibils,reduce the energy consumption and production costs of subsequent mechanical processing.Chemical pre-treatment methods,including TEMPO oxidation,carboxymethylation,periodate oxidation,sulfonation,quaternary ammonium salt were mainly discussed.

关 键 词：纳米微纤丝 纳米纤维素 化学预处理 

分 类 号：TQ352[化学工程]