Biochar as a sustainable and renewable additive for the production of Poly(ε-caprolactone) composites

Vidal, Juliana L.; Yavitt, Benjamin M.; Wheeler, Mikhailey D.; Kolwich, Jennifer; Donovan, Lindsay N.; Sit, Clarissa S.; Hatzikiriakos, Savvas G.; Jalsa, Nigel Kevin; MacQuarrie, Stephanie; Kerton, Francesca M.

doi:10.1016/j.scp.2021.100586

Cited by 9 publications

(8 citation statements)

References 81 publications

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“…Moreover, the peaks in the spectra of PCL-BP were similar to those of PCL, implying that there were no major structural changes due to the addition of BP in PCL, such as new chemical bond formation between the PCL chains and BP [ 43 , 48 ]. These spectra are consistent with those reported by Si et al [ 11 ] and Vidal et al [ 49 ].…”

Section: Resultssupporting

confidence: 93%

Development of Biodegradable Composites Using Polycaprolactone and Bamboo Powder

et al. 2022

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The use of biodegradable polymers in daily life is increasing to reduce environmental hazards. In line with this, the present study aimed to develop a fully biodegradable polymer composite that was environmentally friendly and exhibited promising mechanical and thermal properties. Bamboo powder (BP)-reinforced polycaprolactone (PCL) composites were prepared using the solvent casting method. The influence of BP content on the morphology, wettability, and mechanical and thermal properties of the neat matrix was evaluated. In addition, the degradation properties of the composites were analysed through soil burial and acidic degradation tests. It was revealed that BP contents had an evident influence on the properties of the composites. The increase in the BP content has significantly improved the tensile strength of the PCL matrix. A similar trend is observed for thermal stability. Scanning electron micrographs demonstrated uniform dispersion of the BP in the PCL matrix. The degradation tests revealed that the biocomposites with 40 wt·% of BP degraded by more than 20% within 4 weeks in the acidic degradation test and more than 5% in the soil burial degradation test. It was noticed that there was a considerable difference in the degradation between the PCL matrix and the biocomposites of PCL and BP. These results suggest that biodegradable composites could be a promising alternative material to the existing synthetic polymer composites.

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Section: Resultssupporting

confidence: 93%

Development of Biodegradable Composites Using Polycaprolactone and Bamboo Powder

et al. 2022

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“…Thus, it can be concluded that the presence of BC increased the enzymatic hydrolysis rate of PBSu biocomposites, which were easier to decompose by the lipases. The higher enzymatic hydrolysis of the biocomposites can be explained by the creation of bigger voids on their surface, which means that enzymes and water penetrate easier [ 26 , 50 ]. Other parameters that could significantly affect enzymatic hydrolysis are the chemical structure of the polymer, the additive, the amount of the filler, the melting point, the degree of crystallinity, and the molecular weight of the biocomposites [ 51 , 52 ].…”

Section: Resultsmentioning

confidence: 99%

Synthesis and Study of Fully Biodegradable Composites Based on Poly(butylene succinate) and Biochar

et al. 2023

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Biodegradable polymers offer a promising alternative to the global plastic problems and especially in the last decade, to the microplastics problems. For the first time, samples of poly(butylene succinate) (PBSu) biocomposites containing 1, 2.5, and 5 wt% biochar (BC) were prepared by in situ polymerization via the two-stage melt polycondensation procedure. BC was used as a filler for the PBSu to improve its mechanical properties, thermal transitions, and biodegradability. The structure of the synthesized polymers was examined by 1H and 13C nuclear magnetic resonance (NMR) and X-Ray diffraction (XRD) along with an estimation of the molecular weights, while differential scanning calorimetry (DSC) and light flash analysis (LFA) were also employed to record the thermal transitions and evaluate the thermal conductivity, respectively. It was found that the amount of BC does not affect the molecular weight of PBSu biocomposites. The fine dispersion of BC, as well as the increase in BC content in the polymeric matrix, significantly improves the tensile and impact strengths. The DSC analysis results showed that BC facilitates the crystallization of PBSu biocomposites. Due to the latter, a mild and systematic increase in thermal diffusivity and conductivity was recorded indicating that BC is a conductive material. The molecular mobility of PBSu, local and segmental, does not change significantly in the biocomposites, whereas the BC seems to cause an increase in the overall dielectric permittivity. Finally, it was found that the enzymatic hydrolysis degradation rate of biocomposites increased with the increasing BC content.

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“…CM: This research has appeared in ACS Sustainable Chemistry & Engineering and Sustainable Chemistry and Pharmacy . , …”

Section: Juliana Vidalmentioning

confidence: 99%

“…CM: This research has appeared in ACS Sustainable Chemistry & Engineering and Sustainable Chemistry and Pharmacy. 7,8 CM: What is your research specialty and what inspired you to study and/or conduct research in this area?…”

Section: ■ Juliana Vidalmentioning

confidence: 99%

35 Voices from Chemistry of Materials: Science Is Global

Skrabalak

2023

Chem. Mater.

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Biochar as a sustainable and renewable additive for the production of Poly(ε-caprolactone) composites

Cited by 9 publications

References 81 publications

Development of Biodegradable Composites Using Polycaprolactone and Bamboo Powder

Development of Biodegradable Composites Using Polycaprolactone and Bamboo Powder

Synthesis and Study of Fully Biodegradable Composites Based on Poly(butylene succinate) and Biochar

35 Voices from Chemistry of Materials: Science Is Global

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