本课题组在机械活化强化脂肪酸固相酯化纤维素、木薯酒糟、淀粉等多糖高聚物的前期研究中发现，加入适量的熔盐可有效提高它们的反应性能。针对这一发现，本项目提出了"基于机械活化作用下的熔盐催化脂肪酸固相酯化植物纤维机制"的几种假设。项目以木薯酒糟作为主要研究对象，甘蔗渣、木纤维等作为对比原料，熔盐作为催化剂，脂肪酸为酯化剂，自主研发的高能效搅拌球磨机作为机械活化设备和固相反应器，分别研究熔盐类型的催化效果和作用方式，机械活化作用下熔盐对植物纤维及其组分、脂肪酸的作用方式；植物纤维及其各组分的催化反应性能；酯化物的形成历程；产物结构与性能的关系。通过研究揭示机械活化作用下熔盐对植物纤维及其各化学组分的催化作用机理，得出熔盐催化机制的基础理论，为植物纤维资源的有效利用提供环保高效的固相催化改性技术和理论依据，将对农业废弃物资源化有极大的促进作用。这不仅有极高的学术价值，而且有重大的经济意义。

In our previous works of mechanical activation-strengthened solid phase esterification of polysaccharide polymer (cellulose, cassava stillage residue, starch, etc.) with fatty acid, it was found that the addition of a right amount of molten salt could efficiently enhance their reactivity. Based on this meaningful discovery, this research project put forward several hypotheses of "mechanism of molten salt-catalyzed solid phase esterification of plant fiber with fatty acid based on the action of mechanical activation". With cassava stillage residue as main material, sugarcane bagasse and wood fiber as contrasting materials, fatty acid with as esterifying agent, molten salt as catalyst, and self-made high-efficiency stirring ball mill as mechanical activation equipment and solid phase reactor, this project will focus on the following studies: catalytic effect and mode of action of molten salt species; mode of action of molten salt on fatty acid, plant fiber and its components under the action of mechanical activation; catalytic reactivity of plant fiber and its components; forming processes of esterification products; relationship between structure and properties of the products. These investigations can show the catalytic mechanism of molten salt on plant fiber and its components under the action of mechanical activation, and the basic theory of catalytic mechanism of molten salt can be obtained, which provide environmentally friendly and efficient solid phase catalytic modification technology and theory foundation for the efficient utilization of plant fiber resources, and also have significant promotion for using agricultural wastes as resources. These studies have not only significant academic value but also important economic significance.