MATEC Web of Conferences
Volume 30, 20152015 the 4th International Conference on Material Science and Engineering Technology (ICMSET 2015)
|Number of page(s)||4|
|Section||Material processing and preparation technology|
|Published online||04 November 2015|
Alginate/Carboxymethyl Cellulose Hydrogel Films in Relation to Crosslinking with Glutaraldehyde and Copper Sulfate
1 Interdisciplinary Program in Petrochemistry & Polymer Science, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
2 Department of Materials Science, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand
a Corresponding author: firstname.lastname@example.org
Alginate/carboxymethyl cellulose (CMC) hydrogel films using glutaraldehyde (GA) and/or copper sulfate (Cu2+) as crosslinking agents were prepared. The ratios of alginate to CMC were varied at 0:10, 2:8, 4:6, 6:4, 8:2 and 10:0 in the presence of GA at 0, 2, 5% and/or copper sulfate of 0 and 0.02 mol. The Fourier Transform Infrared Spectroscopy (FTIR) spectra of hydrogels indicated the intermolecular interaction between CMC with GA and alginate with Cu2+. Using a couple of GA and Cu2+, as crosslinking agents, the hydrogels exhibited better swelling time than that of a crosslinking agent alone. The percentages of solid remains were increased by increasing both of alginate ratio and Cu2+ content.
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