纳米纤维素作为一种新型的生物基天然功能纳米材料,其在复合材料、包装、医药材料、涂料、化妆品和电子产品等领域具有广阔的应用前景。但是,目前纳米纤维素在制备过程中仍然存在着高能耗和高水耗等问题,导致其生产成本高。另外,传统纳米纤维素制备方法通常在较低纤维素浆料浓度条件下进行(浓度小于5%),这导致单位体积的生产效率低以及终产物含水率高,给运输、储存和应用都带来极大的困难和挑战,制约着其素进一步市场推广和实际应用。因此,纳米纤维素高浓制备技术受到越来越多的关注。开发纳米纤维素高浓制备技术可解决其生产过程中能耗高、水耗高和终产物含水率高等问题,有望进一步降低其生产成本和应用成本。
Nanocellulose,a new type of biobased naturally functional nanomaterials,has a broad range of application prospects in composite materials,packaging,pharmaceutical materials,coatings,cosmetics,electronic materials,and so on.However,nanocellulose still faces some major challenges in its preparation process,such as high energy and water consumption,thereby leading to high production cost.Additionally,traditional nanocellulose preparation methods are usually carried out under lower cellulose concentration conditions (less than 5%),which results in low production efficiency per unit volume and high content of water in the final products.This poses significant difficulties and challenges for transportation,storage,and applications,limiting its market promotion and practical application.Therefore,the development of high-consistency preparation techniques of nanocellulose has attracted growing attention,as it may help address issues such as high energy/water consumption,potentially further reducing production and application cost.
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基金资助
国家重点研发计划课题项目(2022YFD2200901);国际竹藤中心基本科研业务费专项资金资助(1632021025)
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