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Title: A comparison of cellulose nanofibrils produced from Cladophora glomerata algae and bleached eucalyptus pulp

Author: Xiang, Zhouyang; Gao, Wenhua; Chen, Liheng; Lan, Wu; Zhu, Junyong; Runge, Troy;

Date: 2016

Source: Cellulose, Vol. 23(1). pp. 493-503

Publication Series: Scientific Journal (JRNL)

Description: Cladophora, a fresh-water green macroalgae, has unique cellulose properties and thus may be promising for production of cellulose nanofibrils (CNFs). Cellulose was extracted from Cladophora glomerata and subjected to microfluidization with or without enzymatic hydrolysis pretreatment to produce CNFs. Increasing microfluidization passes produced smaller algal CNFs with more uniform sizes and lower crystallinity. Combining microfluidization with an enzymatic hydrolysis pretreatment, the algal CNFs’ crystallinity decreased further, but the diameter distribution showed little change. The algal CNFs were compared to CNFs produced from bleached eucalyptus pulp (BEP), with the algal CNFs having significantly higher crystallinity, smaller diameter and better thermal stability. The XRD spectra of algal and BEP CNFs were simulated by Mercury 3.0 software.

Keywords: Bleached eucalyptus pulp, Cellulose nanofibrils, Cladophora glomerata, Enzymatic hydrolysis, Green algae, X-ray diffraction, Bleached eucalyptus pulp, Cellulose nanofibrils, Cladophora glomerata, Enzymatic hydrolysis, Green algae, X-ray diffraction

Publication Notes:

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  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

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Xiang, Zhouyang; Gao, Wenhua; Chen, Liheng; Lan, Wu; Zhu, J. Y.; Runge, Troy. 2016. A comparison of cellulose nanofibrils produced from Cladophora glomerata algae and bleached eucalyptus pulp. Cellulose. 23: 493-503.

 


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