The Consequence of Epoxidized Soybean Oil in the Toughening of Polylactide and Micro-Fibrillated Cellulose Blend

Mahmud, Sakil; Yu, Long; Yang, Yong; Huang, Juncheng; Zhang, Ruoyu; Zhu, Jin

doi:10.1134/s0965545x2001006x

Cited by 12 publications

(7 citation statements)

References 62 publications

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“…As the content of ESO raised, ESO molecules broke and displaced the polymer-polymer interactions, leading to a reduction in the polymer gel structure [6,9]. For the PLA/ESO/SF ternary blends, the tensile strength decreased with increasing SF content by over 10%, which was consistent with previous studies [24]. The tensile strength increased by 4.85% after adding 10% SW, in contrast to the neat PLA, which was the highest tensile strength in the ternary system.…”

Section: Mechanical Propertiessupporting

confidence: 87%

“…For neat SF, the peak at 3000-3600 cm − 1 indicated -OH stretching vibration of hydroxyl groups of lignin, hemicellulose and cellulose existing in straw [25]. In the 1040 cm -1 range, IR peaks were characteristic bands of the cellulose backbone of straw, as well as part of the carbohydrate ring [24]. At 1616 cm − 1 , peak could be caused by -OH of water [26], since the strongly hydrophilic property of cellulose.…”

Section: Ftir Analysismentioning

confidence: 99%

“…However, in this study, the addition of ESO seemed to contribute little to the enhancement of the impact strength of ternary mixture. Sakil [24] considered that the straw cellulose surface promoted the absorption of ESO, forming a exible layer, which partially enhances the strength of the interface between PLA and the ller in turn. The reason for the absence of a exible interfacial layer in this study was possibly due to the presence of a large amount of gum and hemicellulose still present on the straw ber surface, which led to poor interfacial binding between PLA and straw, as shown in Fig.…”

Section: Mechanical Propertiesmentioning

confidence: 99%

“…The reaction type had two main interpretations. One was the ring opening reaction of the epoxy group in ESO [6,15,23], the other was the interaction of the epoxy group in ESO and hydroxyl group in PLA via H bonding [17,18,19,24].…”

Section: Ftir Analysismentioning

confidence: 99%

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Preparation and Characterization of Epoxy Soybean Oil Modified Polylactic acid Reinforced with Straw Fibers

Ruan

Qingyong

Wang

et al. 2023

Preprint

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Natural fiber-reinforced biogenic polymer composites have been promising materials for packaging, furniture, and other applications due to their environmentally friendly and cost-effective characteristics. However, certain properties, including mechanical properties, still need to be improved. In this work, polylactic acid (PLA) was modified with a range of epoxy soybean oil (ESO) concentrations, and straw fibers were added to the plasticized PLA. The functional groups of various compositions were investigated via FTIR and the effects of SF and ESO on the impact, flexural and tensile intensities were evaluated. The composites’ thermal stability performance was examined via TG and DSC analysis. The results showed that chemical bonds were formed between PLA and ESO, with the possibility of H-bonding between the -OH group on the molecular chains of SF and PLA and the ethylene oxide group of ESO. The mechanical intensity of material can be enhanced after adding a small amount of ESO (<4%), while the SF addition has the opposite result. The addition of both ESO and straw fibers decreased the thermal transition temperature (Tg, Tc, and Tm) and the degree of PLA crystallinity. Meanwhile, SF was beneficial for improving the thermal decomposition temperature.

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Section: Mechanical Propertiessupporting

confidence: 87%

Section: Ftir Analysismentioning

confidence: 99%

Section: Mechanical Propertiesmentioning

confidence: 99%

Section: Ftir Analysismentioning

confidence: 99%

See 2 more Smart Citations

Preparation and Characterization of Epoxy Soybean Oil Modified Polylactic acid Reinforced with Straw Fibers

Ruan

Qingyong

Wang

et al. 2023

Preprint

View full text Add to dashboard Cite

show abstract

“…Enhancing the toughness of PLA is a challenging task, often involving the blend of PLA with other polymeric materials. Researchers have continuously explored feasible methods to toughen PLA, including polymer blending, plasticization, and copolymerization. − Chemical copolymerization can efficiently enhance PLA’s ductility but may reduce its strength, melting temperatures, and increase costs . On the contrary, blending is a more cost-effective technique that requires less reaction and processing time.…”

Section: Introductionmentioning

confidence: 99%

Thermo-Blending of Biobased Poly(propylene 2,5-furan dicarboxylate) and Poly(lactic acid) with Improved Mechanical Performance

Mahmud,

Hasan,

Dai

et al. 2024

ACS Appl. Polym. Mater.

Self Cite

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Sustainable polymeric blends were successfully produced by blending biobased poly(propylene 2,5-furan dicarboxylate) (PPF) with poly(lactic acid) (PLA). This study aimed to enhance the toughness of PLA, which is known for its inherent brittleness, by incorporating compatible polymeric additives. In this regard, a biosynthesized PPF polymer was used to strengthen PLA, resulting in improved tensile properties and the potential for biodegradability, as both PLA and PPF are derived from natural sources. The study revealed that the highest tensile strength (89.46 ± 2.98 MPa) was achieved with a 30% PPF reinforcement of PLA, while the greatest elongation at break (63.85 ± 4.10%) was observed with a 20% PPF reinforcement, compared to neat PLA. Additionally, the 30% PPF reinforcement of PLA exhibited a significantly higher Young's modulus of 3197.35 ± 107.25 MPa. All the blends displayed superior tensile strengths and elongation at break compared to neat PLA. Tensile strengths showed an increasing trend with a higher content of PPF copolymers. Morphological investigations indicated limited compatibility between PLA and PPF, but this characteristic did not negatively impact the thermo-mechanical performance of the developed blends. Furthermore, the thermal stability of the blends increased with a higher loading of PPF in the polymeric blend system. Overall, these sustainable composite products demonstrate promising potential for applications requiring enhanced mechanical and thermal properties. The results suggest that the developed blends are suitable for scalable production and real-life applications.

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Synergistic effects of bio‐plasticizer and core–shell rubber on poly(lactic acid) toughness for sustainable flexible packaging applications

Petchwattana

Sukkaneewat

Naknaen

et al. 2021

J of Applied Polymer Sci

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Poly(lactic acid) (PLA) toughness was improved by blending with tributyrin (TBR) and poly(methyl methacrylate-co-ethyl acrylate) core-shell rubber (CSR) for toughening purpose. PLA was prepared by melt processing as binary (PLA/TBR or PLA/CSR) and ternary (PLA/TBR/CSR) blends with the total additive contents from 5 to 20 wt%. Ratios of TBR:CSR for the ternary blend were 25:75, 50:50, and 75:25. Based on the experimental results, a suitable formulation for the flexible packaging application was the addition of 5 wt% TBR and 15 wt% CSR. This formulation exhibited the values of strain at break and impact strength of 512% and 862 J/m, respectively. These values were comparable with those observed in low-density polyethylene (LDPE). Thermal test results indicated some significant changes of the transition temperatures and crystallization behavior which reflected the strong influences of rubbery functions and plasticizing properties of CSR and TBR. Migration test of TBR indicated that the migration rate increased with the test duration. Moreover, samples tested at 100 C exhibited larger amount of migrated TBR than that observed at 50 C.

show abstract

The Consequence of Epoxidized Soybean Oil in the Toughening of Polylactide and Micro-Fibrillated Cellulose Blend

Cited by 12 publications

References 62 publications

Preparation and Characterization of Epoxy Soybean Oil Modified Polylactic acid Reinforced with Straw Fibers

Preparation and Characterization of Epoxy Soybean Oil Modified Polylactic acid Reinforced with Straw Fibers

Thermo-Blending of Biobased Poly(propylene 2,5-furan dicarboxylate) and Poly(lactic acid) with Improved Mechanical Performance

Synergistic effects of bio‐plasticizer and core–shell rubber on poly(lactic acid) toughness for sustainable flexible packaging applications

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