期刊
BIORESOURCE TECHNOLOGY
卷 285, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2019.121354
关键词
Wet ball-milling; Tetrabutylammonium fluoride; Lignocellulosic biomass; Heterogeneous esterification; Mechanochemical reaction
资金
- National Natural Science Foundation of China [51603104, 31700522]
- Natural Science Foundation of the Jiangsu Province [BK20160921]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
Esterification of lignocellulosic biomass driven by dry ball-milling suffered from agglomeration of lignocellulosic matters during milling process. In this study, esterification of waste mulberry wood (MW) was carried out by wet ball-milling with water and tetrabutylammonium fluoride (TBAF) to prepare all-wood-plastic composites. Under the same condition, the esterification of MW by wet ball-milling with TBAF presented higher efficiency than that without TBAF which was attributed to catalytic function of F- ions meanwhile the binding of TBA(+) to cellulose fibrils hindered the compaction of fibrillated fragments. Pre-ball-milling of MW for 4.0 h apparently promoted the esterification with succinic anhydride. All-wood-plastic composites prepared after 7.0 h succinoylation demonstrated prominent mechanical performance due to strong adhesion of fragments and matrix. This study is supposed to provide an environment-friendly method for efficient conversion of waste lignocellulosic biomass.
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