Optimal Experimental Conditions for Improving the Yield of Poly(limonene) from Photoinduced Polymerization

Oliveira, Edison Rogério Marques de; Silva, Bruno Guzzo da; Vieira, Roniérik Pioli

doi:10.1007/s10924-020-02010-4

Cited by 7 publications

(2 citation statements)

References 30 publications

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“…21,22 Recently, our group reported the synthesis of low-molar-mass poly(limonene) (PL) employing a lightinduced controlled polymerization approach. 20,23 This promising technique allows control of the polymer characteristics such as dispersity and molar mass. Moreover, it can be conducted under mild reaction conditions (∼40 °C) and without using toxic metal catalysts.…”

Section: Introductionmentioning

confidence: 99%

“…An exciting alternative is the use of LIM oligomer derivatives, as they are nonvolatile and present higher thermal stability . As a result, better antimicrobial and antioxidant capabilities could be observed for the oligomers compared to their precursors, as reported for poly(β-pinene). , Recently, our group reported the synthesis of low-molar-mass poly(limonene) (PL) employing a light-induced controlled polymerization approach. , This promising technique allows control of the polymer characteristics such as dispersity and molar mass. Moreover, it can be conducted under mild reaction conditions (∼40 °C) and without using toxic metal catalysts. , …”

Section: Introductionmentioning

confidence: 99%

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Incorporation of Limonene Oligomers into Poly(itaconic acid)/Starch Blend Films for Antimicrobial and Antioxidant Packaging Applications

Vianna,

Gonçalves,

Marangoni Júnior

et al. 2024

ACS Sustainable Chem. Eng.

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In this study, we devised novel poly(itaconic acid)/ starch (PIA/S)-based films by incorporating both limonene (LIM) and low-molar-mass poly(limonene) (PL) at varying concentrations (3, 6, and 9/100 g of starch). Our investigation centered on evaluating their antimicrobial and antioxidant capabilities with a focus on characterizing the most promising bioactive film formulations. Surprisingly, LIM-incorporated films showed no discernible bioactivity, contrasting with the remarkable outcomes seen in PL-incorporated films. Specifically, the latter demonstrated effectiveness against several pathogenic microorganisms including Bacillus cereus, Clostridium perfringens, Pseudomonas aeruginosa, and Colletotrichum gloeosporioides. Moreover, these films exhibited notable 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity of up to 13.4%, showcasing the hitherto unexplored potential of PL in this domain. This study also highlights the influence of PL incorporation on the general film properties. Overall, the films displayed uniform morphology, reduced tensile strength, and decreased elongation at break, accompanied by an increased moisture content and water solubility. No significant alterations were noted in the water vapor barrier properties. Notably, the introduction of PL also brought about an exceptional ultraviolet (UV)-light barrier effect, raising the prospect of utilizing PIA/S/PL films as innovative active packaging materials in the future.

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