Property evaluation of sodium alginate/chitosan compound dressings

Ching Wen Lou, Chao Tsang Lu, Jin Jia Hu, Wei Jen Lin, Meng Chen Lin, Jia Horng Lin

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)


Polymer materials such as sodium alginate, chitosan, polylactic acid, and pectin, are commonly used as biomedical materials. This study combines sodium alginate (SA) and chitosan solutions to make the compound membranes. The compound membranes with optimal parameters are then combined with base fabrics, forming the compound dressings. SA and chitosan are mixed with various ratios, and then added with calcium chloride (CaCl2 (aq)), after which the mixture is thermally treated to form the SA/chitosan compound membranes. Moisture retention, swelling, weight loss, water contact angle, and water content ratio tests evaluate the resulting membranes, determining the optimum parameters. When the ratio of SA to chitosan is 7:3, the resulting membranes exhibit an optimal swelling. The weight loss of the membranes starts decreasing with the addition of CaCl2 (aq), indicating an increase in the structural stability of the compound membranes. Lastly, the water contact angle of all compound membranes is smaller than 90°, stating that they have a good hydrophilicity.

Original languageEnglish
Title of host publicationAdvances in Textile Engineering and Materials
Number of pages6
Publication statusPublished - 2013
Event2nd International Conference on Textile Engineering and Materials, ICTEM 2012 - Changsha, China
Duration: 2012 Nov 172012 Nov 18

Publication series

NameAdvanced Materials Research
ISSN (Print)1022-6680


Other2nd International Conference on Textile Engineering and Materials, ICTEM 2012

All Science Journal Classification (ASJC) codes

  • General Engineering


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