Abstract

Preperation and Characterization of Cross-linked Guar-Gum Poly(vinylalcohol) Green Films

Guar –gum/ Polyvinyl alcohol (GG/ PVA ) blend films were prepared by using Guar –gum , polyvinyl alcohol ( PVA ) and Citric acid ( CA ) as additive and gluteraldehyde as crosslinking agent for the mixing process . The additives , drying temperature , and the influence of crosslinker of films on the properties of the films were investigated . The mechanical properties tensile strength , elongation at break (% E) and thermal properties includes thermogravemetric analysis , degree of swelling ( DS ) of GG / PVA films were examined by using CA as additives .when the film was dried at low temperature , physical properties of the films were clearly improved because the hydrogen bonding was activated at low temperature


Author(s): A P Gupta and Gopal Arora

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