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Ultrasound-Assisted Synthesis of Sucrose and Fructooligosaccharides Esters as Bio-Plasticizers

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This article presents the results obtained by the ultrasound-assisted synthesis of sucrose and fructooligosaccharides (FOS) esters with fatty acids (palmitic and 10-undecylenic), the identification of the products and the study of their possible application as plasticizers in plastics processing. Fourier transform infrared spectroscopy (FTIR) and nuclear magnetic resonance (1H and 13C NMR) spectroscopy were used to identify the synthesized carbohydrate esters. The plasticizing effect of the sucrose palmitate applied in polyvinyl chloride (PVC) was evaluated by the glass transition temperatures; the decrease of the Tg with the increase of the ester content could be accepted as confirmation of the esters' plasticizing effect.

The antimicrobial activity of the synthesized sucrose and FOS esters was evaluated; the results allowed us to conclude that the 10-undecynoyl esters of sucrose and fructooligosaccharides could be successfully applied as potential antimicrobial agents, as well. The sucrose palmitate plasticizing effect was evaluated by determining the glass transition temperatures of thin polyvinyl chloride films on the basis of differential scanning calorimetry (DSC) and changes of mechanical properties. The results showed a decrease of the glass transition temperature with the increase of the ester content, which confirmed the plasticizing effect of the obtained esters.
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Keywords: ANTIMICROBIAL ACTIVITY; FRUCTOOLIGOSACCHARIDES ESTERS; SUCROSE ESTERS; TRANSESTERIFICATION; ULTRASOUND-ASSISTED; “GREEN” PLASTICIZER

Document Type: Research Article

Publication date: 2016-02-01

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  • The Journal of Renewable Materials (JRM) publishes high quality peer reviewed original research on macromolecules and additives obtained from renewable/biobased resources. Utilizing a multidisciplinary approach, JRM introduces cutting-edge research on biobased monomers, polymers, additives (both organic and inorganic), their blends and composites. It showcases both fundamental aspects and new applications for renewable materials. The fundamental theories and topics pertain to chemistry of biobased monomers, macromoners and polymers, their structure-property relationship, processing using sustainable methods, characterization (spectroscopic, morphological, thermal, mechanical, and rheological), bio and environmental degradation, and life cycle analysis. Demonstration of use of renewable materials and composites in applications including adhesives, bio and environmentally degradable structures, biomedicine, construction, electrical & electronics, mechanical, mendable and self-healing systems, optics, packaging, recycling, shape-memory, and stimulus responsive systems will be presented.
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