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- Title
Co-effect of Mechanical Ball-milling and Microenvironmental Polarity on Morphology and Properties of Nanocellulose.
- Authors
Chao Wang; LiYuan Li; MengMeng Zhao; Pei Huang; Shigenori Kuga; Min Wu; Yong Huang
- Abstract
Cellulose is a linear polymer consisting of D-anhydroglucose units joined by β -1,4-glycosidic linkages. The densely packed cellulose molecular chain forms crystalline cellulose through strong hydrogen bonding. Owing to its chemical tunability and excellent mechanical resistance, nanocellulose is widely used in everyday life and the industrial sector. In this work, cellulose materials were nanoprocessed by mechanical ball-milling ➀ in polar solvents (N,N-dimethylformamide or dimethyl sulfoxide) with esterification or ➁ in hydrophobic agents (polydimethylsiloxane or polytetrafluoroethylene) with different molecular weights. Cellulose nanofibers and nanosheets with different hydrophilic and hydrophobic properties were obtained, and the mechanism of cellulose disintegration along a crystallographic plane induced by mechanical force and the polarity condition were discussed. This work affords a new way to manipulate the morphology and properties of nanocellulose.
- Subjects
CELLULOSE; POLYMER structure; BALL mills; HYDROGEN bonding; MECHANICAL properties of polymers
- Publication
Paper & Biomaterials, 2017, Vol 2, Issue 4, p8
- ISSN
2096-2355
- Publication type
Article
- DOI
10.26599/pbm.2017.9260023