Research Progress on Lignocellulose-based Superhydrophobic Materials
Lignocellulose raw material was an important biomass resource,which mainly composed of cellulose,hemicellulose,and lignin.The substitution of inorganic/organic micro-nano particles by lignocellulose as raw materials to construct superhydrophobic rough structures had become a focus of research in superhydrophobic modification.Lignocellulose-based materials not only contained various forms at the micro level,such as cellulose nanocrystals,cellulose nanofibers,α-cellulose,and lignin microspheres,but also included various application forms at the macro level,such as cellulose paper,cellulose coatings,cellulose films,and cellulose aerogels.The superhydrophobic modification of lignocellulose-based materials endowed them with broad application prospects in oil-water separation,antimicrobial,tunable optical effects,radiative cooling,and energy harvesting and sensing.This article reviewed the principles and reaction types of superhydrophobic modification of lignocellulose-based materials,retrospected and summarized their applications,aiming to provide references and insights for the development of advanced superhydrophobic modification technologies and applications of lignocellulose materials.
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