Effect of epoxidized soybean oil on melting behavior of poly(l-lactic acid) and poly(d-lactic acid) blends after isothermal crystallization
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Wenwei Li
Abstract
The effect of epoxidized soybean oil (ESO) on homocrystallization (HC) and stereocomplex (SC) formation behavior of poly(l-lactide) (PLLA) and poly(d-lactide) (PDLA) bends was investigated utilizing differential scanning calorimetry (DSC). Isothermal crystallization was performed on ESO/PLLA/PDLA blends with varying ESO contents (0, 5, 8, and 10 wt%) and temperatures (90 °C, 120 °C, and 150 °C) for a different duration (12.5, 25, and 125 min). It was found that the ESO could effectively inhibit HC crystallization and promote SC crystallization. For the sample without ESO (ESO-0), the isothermal crystallization temperature and duration had little effect on the melting behavior, whereas sample with 5 wt% ESO (ESO-5), HC crystallization decreased while SC crystallization continued to increase with increasing duration. Additionally, at higher crystallization temperatures with constant ESO content, the melting temperature of SC crystals did not significantly change, suggesting that ESO did not degrade PLLA/PDLA blends. These findings imply that ESO modifies crystallization kinetics, suppressing HC formation and enhancing SC formation, which could benefit for specific material properties and applications.
Funding source: Mahasarakham University
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Research ethics: Not applicable.
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Author contributions: The authors have accepted responsibility for the entire content of this manuscript and approved its submission.
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Competing interests: The authors state no conflict of interest.
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Research funding: This research project was financially supported by Mahasarakham University.
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Data availability: The raw data can be obtained on request from the corresponding author.
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© 2024 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Material Properties
- Effect of epoxidized soybean oil on melting behavior of poly(l-lactic acid) and poly(d-lactic acid) blends after isothermal crystallization
- An experimental investigation on the influence of pore foaming agent particle size on cell morphology, hydrophobicity, and acoustic performance of open cell poly (vinylidene fluoride) polymeric foams
- Reinforcement of recycled polypropylene by nano lanthana with improved thermal, mechanical and antimicrobial properties
- Microstructure-mechanical property relationships of polymer nanocomposite reinforced with lyophilized montmorillonite/carbon nanotubes hybrid particles
- Preparation and Assembly
- Preparation and dynamic simulation of a hemin reversible associated copolymer with self-healing properties
- Molecularly imprinted polymer for the selective removal of direct violet 51 from wastewater: synthesis, characterization, and environmental applications
- Engineering and Processing
- Comparative analysis of 3D-printed and freeze-dried biodegradable gelatin methacrylate/ poly‐ε‐caprolactone- polyethylene glycol-poly‐ε‐caprolactone (GelMA/PCL-PEG-PCL) hydrogels for bone applications
- Thermally conductive and electrically insulated DGEBA-epoxy nano-composite fabricated by integrating GO/h-BN and rGO/h-BN hybrid for thermal management applications: a comparative analysis
Articles in the same Issue
- Frontmatter
- Material Properties
- Effect of epoxidized soybean oil on melting behavior of poly(l-lactic acid) and poly(d-lactic acid) blends after isothermal crystallization
- An experimental investigation on the influence of pore foaming agent particle size on cell morphology, hydrophobicity, and acoustic performance of open cell poly (vinylidene fluoride) polymeric foams
- Reinforcement of recycled polypropylene by nano lanthana with improved thermal, mechanical and antimicrobial properties
- Microstructure-mechanical property relationships of polymer nanocomposite reinforced with lyophilized montmorillonite/carbon nanotubes hybrid particles
- Preparation and Assembly
- Preparation and dynamic simulation of a hemin reversible associated copolymer with self-healing properties
- Molecularly imprinted polymer for the selective removal of direct violet 51 from wastewater: synthesis, characterization, and environmental applications
- Engineering and Processing
- Comparative analysis of 3D-printed and freeze-dried biodegradable gelatin methacrylate/ poly‐ε‐caprolactone- polyethylene glycol-poly‐ε‐caprolactone (GelMA/PCL-PEG-PCL) hydrogels for bone applications
- Thermally conductive and electrically insulated DGEBA-epoxy nano-composite fabricated by integrating GO/h-BN and rGO/h-BN hybrid for thermal management applications: a comparative analysis
