earticle

영어

Synthetic wood composite films, fibers, and beads containing cellulose, hemicelluloses, and lignin, the three major components of natural wood, were prepared in a room temperature ionic liquid solvent, 1-ethyl-3-methylimidazolium acetate, [Emim][Ac]. Various synthetic wood composites were obtained by dissolution of individual wood components together with additives, including polyethylene glycol (PEG), chitosan, multi-wall carbon nanotubes, lipase, and poly(3-octylthiophene) (P3OT) in [Emim][Ac]. The addition of water affords a gel that was dried in either a low humidity environment or under vacuum. Synthetic wood films showed smoother surface textures, higher water resistance, and higher tensile strengths than cellulose films formed by the same methods. Synthetic wood electrospun fibers containing P3OT showed micrometer sized and branched fiber structures. Lipase entrapped in synthetic wood composite beads retained high enzyme activity. Tailor-made synthetic wood composites were also prepared having a variety of desirable properties, including antimicrobial activities, controlled hydrophobicity/philicity, high relative dielectric constant, and a high degree of cohesiveness.