financial support from the National Key Research and Development Program of China (Grant No.2017YFB0307900);the National Natural Science Foundation of China (Grant No.31470602,31670595,31770628);the Taishan Scholars Program
In this study,carboxymethylation,which introduces carboxyl groups to hydroxyl sites in pulp fibers,was used as a pretreatment before mechanical nanofibrillation.The carboxyl group content of the pulp fibers was greatl...