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3515156 
Journal Article 
Studies on performance evaluation of a green plasticizer made by enzymatic esterification of furfuryl alcohol and castor oil fatty acid 
Mukherjee, S; Ghosh, M 
2017 
Yes 
Carbohydrate Polymers
ISSN: 0144-8617
EISSN: 1879-1344 
157 
1076-1084 
English 
27987809 
WOS:000391896800120 
The esterification of furfuryl alcohol (FA) and castor oil fatty acid (COFA) at 3:1 molar ratio, by immobilized Candida antarctica Lipase B (NS 435 from Novozyme) in a solvent free system gave a maximum yield of 88.64% (%w/w) at 5h. Performance of the FA-COFA ester plasticized Ethyl Cellulose (EC) films were evaluated by surface morphologies, XRD analysis, mechanical properties,thermal properties, water vapor permeability and migration stability test. It was an effective plasticizer with better mechanical properties and thermal stability at the increasing concentration of FA-COFA ester (15-25%) containing EC film, than the traditional plasticizer, i.e; dibutyl phthalate (DBP) in producing good quality films. Chemical structure and the intermolecular interactions between FA-COFA ester and ethyl cellulose chains were the causative agents of these outstanding performances. Therefore, this FA-COFA ester, with significant plasticizing property, at a certain concentration, can be a substitute of DBP. 
Furfuryl alcohol; Castor oil fatty acid; Immobilized Candida antarctica Lipase B; Plasticizer; Ethyl cellulose 
IRIS
• Dibutyl Phthalate (DBP)
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