纳米纤维素的最新制备研究Ⅱ.机械法  

Recent Preparation Research of Nano-CelluloseⅡ.Mechanical Method

作　　者：张燕 左盼盼 王超君 元佳丽 徐天和 王慧庆 卢芸[2] ZHANG Yan;ZUO Pan-pan;WANG Chao-jun;YUAN Jia-li;XU Tian-he;WANG Hui-qing;LU Yun(School of Chemical Engineering,Hefei University of Technology,Hefei 230000,China;Research Institute of Wood Industry,Chinese Academy of Forestry,Beijing 100091,China)

机构地区：[1]合肥工业大学化学与化工学院高分子系,安徽合肥230000 [2]中国林业科学研究院木材工业研究所,北京100091

出　　处：《纤维素科学与技术》2020年第4期56-62,共7页Journal of Cellulose Science and Technology

基　　金：国家自然科学基金(31870535、51603059);中央高校基本科研业务费专项资金(106-4115100027);博士后基金(203-211000091)。

摘　　要：“纳米纤维素的最新制备进展Ⅰ”的续篇Ⅱ,重点阐述了高压均质法、球磨法、微波辅助法、亚临界水解法、双螺杆挤出法等机械法,综合分析了纳米纤维素各种机械制备方法的应用条件和优缺点。其中球磨法结合非极性溶剂可获得亲油晶面暴露的新型纤维素纳米材料,亚临界水解法绿色环保且成本较低,双螺杆挤出法作为一种新的机械处理法相比于传统机械法能耗更低。更进一步地,介绍了纳米纤维素在国内外最新的产业化状况,旨在促进农林纳米纤维素资源的绿色、高效、低成本、可持续开发和高值利用。This paper is the sequel II of“Recent Preparation Research of Nano-Cellulose I”,focusing on mechanical methods such as high pressure homogenization,ball milling,microwave-assisted method,subcritical water hydrolysis method and twin screw extrusion method.The advantages and shortcomings of mechanical preparation methods of nanocellulose are further analyzed with application conditions.The ball milling method combined with non-polar solvents can obtain new cellulose nanomaterials with exposed lipophilic crystal faces.The subcritical hydrolysis method is green,environmental friendly and lower cost.As a new mechanical treatment method,the twin-screw extrusion method has lower energy consumption compared to traditional mechanical methods.Furthermore,the latest industrialization status of nanocellulose is introduced as well,aiming to promote the green,efficient,low-cost,sustainable development and high-value utilization of agricultural and forestry nanocellulose resources.

关 键 词：纳米纤维素 制备 纳米纤丝 纤维素纳米晶 纳米晶须 

分 类 号：TQ352[化学工程]