Preparation and characterization on mechanical and antibacterial properties of chitsoan/cellulose blends

Yu Bey Wu, Shu Huei Yu, Fwu Long Mi, Chung Wei Wu, Shin Shing Shyu, Chih Kang Peng, An Chong Chao

Research output: Contribution to journalArticle

187 Citations (Scopus)

Abstract

Polysaccharides-based membranes of chitosan and cellulose blends were prepared using trifluoroacetic acid as a co-solvent. Morphology and mechanical property of prepared membranes were studied by Instron and dynamic mechanical thermal analysis. The mechanical and dynamic mechanical thermal properties of the cellulose/chitosan blends appear to be dominated by cellulose, suggests that cellulose/chitosan blends were not well miscible. It is believed that the intermolecular hydrogen bonding of cellulose is supposed to be break down to form cellulose-chitosan hydrogen bonding; however, the intra-molecular and intra-strand hydrogen bonds hold the network flat. The reduced water vapor transpiration rate through the chitosan/cellulose membranes indicates that the membranes used as a wound dressing may prevent wound from excessive dehydration. The chitosan/cellulose blend membranes demonstrate effective antimicrobial capability against Escherichia coli and Staphylococcus aureus, as examined by the antimicrobial test. These results indicate that the chitosan/cellulose blend membranes may be suitable to be used as a wound dressing with antibacterial properties.

Original languageEnglish
Pages (from-to)435-440
Number of pages6
JournalCarbohydrate Polymers
Volume57
Issue number4
DOIs
Publication statusPublished - Sep 22 2004
Externally publishedYes

Fingerprint

antibacterial properties
Cellulose
mechanical properties
Chitosan
cellulose
chitosan
Membranes
plant damage
Hydrogen bonds
hydrogen bonding
Hydrogen Bonding
Bandages
Wounds and Injuries
Hot Temperature
anti-infective agents
Trifluoroacetic acid
Trifluoroacetic Acid
Transpiration
thermal analysis
Steam

Keywords

  • Antibacterial
  • Cellulose
  • Chitosan
  • Mechanical

ASJC Scopus subject areas

  • Food Science
  • Biochemistry

Cite this

Preparation and characterization on mechanical and antibacterial properties of chitsoan/cellulose blends. / Wu, Yu Bey; Yu, Shu Huei; Mi, Fwu Long; Wu, Chung Wei; Shyu, Shin Shing; Peng, Chih Kang; Chao, An Chong.

In: Carbohydrate Polymers, Vol. 57, No. 4, 22.09.2004, p. 435-440.

Research output: Contribution to journalArticle

Wu, Yu Bey ; Yu, Shu Huei ; Mi, Fwu Long ; Wu, Chung Wei ; Shyu, Shin Shing ; Peng, Chih Kang ; Chao, An Chong. / Preparation and characterization on mechanical and antibacterial properties of chitsoan/cellulose blends. In: Carbohydrate Polymers. 2004 ; Vol. 57, No. 4. pp. 435-440.
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