Freeze-casting of cellulose nanowhisker foams prepared from a water-dimethylsulfoxide (DMSO) binary mixture at low DMSO concentrations

• Published in: RSC advances Vol. 3; no. 42; pp. 19272 - 19277
• Main Authors: Zhou, Yiming, Fu, Shiyu, Pu, Yunqiao, Pan, Shaobo, Levit, Mikhail V., Ragauskas, Arthur J.
• Format: Journal Article
• Language: English
• Published: 01.01.2013
• Subjects: Cellulose; Channels; Foams; Lamellar structure; Mechanical properties; Nanostructure; Porosity; Solvents

Porous cellulose nanowhisker-based foams with a lamellae-like channel structure were fabricated by a novel freeze-casting technique using a water-dimethyl sulfoxide (DMSO) binary solvent mixture. With the incorporation of a 0.5-1.5% of DMSO the pore morphology of the materials can be controlled and...