Preprint Article Version 1 This version is not peer-reviewed

Preparation and Application of a Xylan-Based Antibacterial Additive Agent against Escherichia Coli Bacteria

Version 1 : Received: 30 October 2019 / Approved: 31 October 2019 / Online: 31 October 2019 (10:22:43 CET)

How to cite: Xu, G.; Song, T.; He, B.; Chang, M.; Ren, J. Preparation and Application of a Xylan-Based Antibacterial Additive Agent against Escherichia Coli Bacteria. Preprints 2019, 2019100372 (doi: 10.20944/preprints201910.0372.v1). Xu, G.; Song, T.; He, B.; Chang, M.; Ren, J. Preparation and Application of a Xylan-Based Antibacterial Additive Agent against Escherichia Coli Bacteria. Preprints 2019, 2019100372 (doi: 10.20944/preprints201910.0372.v1).

Abstract

In this work, a xylan-based antimicrobial additive agent was prepared and aimed for uses in paper products against Escherichia coli bacteria. The derived Cationic-Xylan-grafted-PHGH (CX-g-PHGH) was successfully synthesized by graft copolymerization of cationic-xylan with guanidine polymer (PHGH) using ceric ammonium nitrate as initiator. The obtained CX-g-PHGH had maximum PHGH grafting ratio of 18.45% and efficiency of 58.45%, and showed good viscosity and thermal stability. Furthermore, the paper samples prepared in this work were reinforced obviously with the addition of CX-g-PHGH by improved mechanical properties. Compared to the reference paper without any of the xylan-derivatives, the index of tensile, tear, burst and folding endurance of the paper had increases up to 20.07%, 25.31%, 30.20% and 77.78%, respectively. Moreover, the prepared CX-g-PHGH paper exhibited an efficient antimicrobial activity against E. coli bacterial, by which a lot of applications based on the new xylan-derived additive agent obtained in this work could be found, especially in field of antimicrobial paper products against E. Coli bacteria from contaminated food.

Subject Areas

antimicrobial additive agent; cationic-xylan; Escherichia coli; mechanical properties; paper products; PHGH; thermal stability

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