Mechanical fatigue of biodegradable polymers: A study on polylactic acid (PLA), polybutylene succinate (PBS) and polybutylene adipate terephthalate (PBAT)

Zhang, Jian; Hirschberg, Valerian; Rodrigue, Denis

doi:10.1016/j.ijfatigue.2022.106798

Cited by 16 publications

(6 citation statements)

References 64 publications

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“…PBAT was obtained from Xinjiang Blue Ridge Tunhe Polyester Co., Ltd (grade TH801T, melting at 110–120°C, tensile strength 25 MPa, elongation at break

&gt;500\%

, Mw ≈ 7.5 × 10 4 g mol −1 . [ 66,67 ] The bio‐based ink for spray coating was made up of only the previously mentioned three components through some straightforward steps. First, one weight % PBAT was dissolved in anisole.…”

Section: Methodsmentioning

confidence: 99%

Toward Sustainable Haptics: A Wearable Vibrotactile Solar‐Powered System with Biodegradable Components

Arbaud,

Najafi,

Gandarias

et al. 2024

Adv Materials Technologies

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Electronics and mechatronics waste is an exponentially increasing environmental issue, especially for wearable devices, due to their widespread diffusion into society and short life cycle. To promote their enormous benefits (e.g., in assisting visually impaired individuals) in a sustainable way, biobased and/or biodegradable organic materials should be used instead of traditional components. This manuscript presents a multidisciplinary approach, which bridges materials science and mechatronics, to propose the first ECO‐friendly wearable vibroTACtile device (Eco‐Tac). The design of Eco‐Tac includes integration on a cotton t‐shirt through a novel biodegradable conductive ink forming electrical tracks, a flexible commercially available solar panel, and the vibrotactile haptic device itself. The ink comprises a green solvent, anisole, a soft polybutylene adipate terephthalate biodegradable binder, and conductive nanocarbon materials. The device case is a biodegradable biocomposite. As such, the feasibility of using a sustainable energy source to supply power to the device and the possibility of using biodegradable materials in its manufacturing are demonstrated. An experiment with 20 blindfolded subjects is conducted, reporting the device's potential for assistance in manipulation tasks. Overall, the results of this work represent the first significant step toward the creation of wearable and sustainable haptic devices with green electronics and mechatronics approaches.

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“…PBAT was obtained from Xinjiang Blue Ridge Tunhe Polyester Co., Ltd (grade TH801T, melting at 110–120°C, tensile strength 25 MPa, elongation at break

&gt;500\%

Section: Methodsmentioning

confidence: 99%

Toward Sustainable Haptics: A Wearable Vibrotactile Solar‐Powered System with Biodegradable Components

Arbaud,

Najafi,

Gandarias

et al. 2024

Adv Materials Technologies

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show abstract

“…From Equation (), the stress response includes linear and nonlinear parts. The linear part can be combined with the strain signal to get the complex modulus:

\begin{matrix} E^{*} goodbreak= \frac{I_{1}}{ε_{0}} \end{matrix}

Furthermore, the storage ( E' ) and loss ( E" ) moduli can be easily obtained as:

\begin{matrix} E^{'} goodbreak= E^{*} \cos ((), δ_{1} goodbreak- δ_{1}^{'}) \end{matrix}

\begin{matrix} E^{''} goodbreak= E^{*} \sin ((), δ_{1} goodbreak- δ_{1}^{'}) \end{matrix}

More details on the experimental setup and data analysis can be found elsewhere 36,37 …”

Section: Methodsmentioning

confidence: 99%

“…Furthermore, the storage (E') and loss (E") moduli can be easily obtained as: More details on the experimental setup and data analysis can be found elsewhere. 36,37 DSC was used to evaluate the thermal properties, such as melting and crystallization. A small amount of material (6-14 mg) was placed in an aluminum pan and the samples were heated and cooled at 10 C min À1 between 50 C and 200 C (300 C) in a nitrogen atmosphere.…”

Section: Characterizationmentioning

confidence: 99%

Mechanical fatigue of recycled and virgin high‐/low‐density polyethylene

Zhang

Hirschberg

Rodrigue

2022

J of Applied Polymer Sci

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The high consumption rates of polymers generate large amounts of wastes imposing long-term adverse effects on the environment combined with a significant carbon footprint. So the appeal for a circular economy is becoming loud enough to take actions. Despite increasing interests for polymer recycling, some reserves about their mechanical performances, especially long-term properties such as fatigue resistance, are barriers to introduce more recycled polymers back into production lines. In this study, a comparison between the fatigue resistance of virgin and recycled high-/low-density polyethylene (H/LDPE) is made to provide more quantitative information to address these concerns. Although some recycled polymers (HDPE) show similar tensile properties compared to virgin ones, significant differences can be observed in their fatigue lifetime. So tensile testing alone is not sufficient to provide a complete information about the overall properties of recycled polymers. Our results show that recycling polymers does not necessarily result in reduced fatigue resistance.

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“…Besides being very tough and its high ductility, other advantages of PBAT include easy processability, biodegradability, biocompatibility, and a high production capacity [ 18 ]. Numerous researchers have developed PBS and PBAT blends and have investigated their properties [ 19 , 20 ]. For instance, Costa et al [ 17 ] fabricated PBS and PBAT blends and investigated their properties.…”

Section: Introductionmentioning

confidence: 99%

Fabrication of a Polybutylene Succinate (PBS)/Polybutylene Adipate-Co-Terephthalate (PBAT)-Based Hybrid System Reinforced with Lignin and Zinc Nanoparticles for Potential Biomedical Applications

et al. 2022

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Polybutylene adipate-co-terephthalate (PBAT) was used in an effort to improve the properties of polybutylene succinate (PBS). The resultant blend consisting of PBS/PBAT (70/30) was reinforced with lignin at different loadings (5 to 15 wt.%) and zinc (ZnO) nanoparticles (1.5 wt.%). Hot melt extrusion and injection moulding were used to prepare the hybrid composites. The mechanical, thermal, physical, self-cleaning, and antimicrobial properties of the resultant hybrid composites were investigated. The transmission electron microscopy (TEM) results confirmed that ZnO was successfully prepared with average diameters of 80 nm. Fourier transform infrared (FTIR) spectroscopy and X-ray diffraction (XRD) confirmed that there were interactions between the fillers and the blend. The tensile strength and elongation at the break of the resultant materials decreased with increasing the loadings, while the tensile modulus showed the opposite trend. The melting behaviour of the blend was practically unaffected by incorporating lignin and ZnO nanoparticles. In addition, the incorporation of fillers reduced the thermal stability of the materials. Furthermore, the incorporation of ZnO nanoparticles introduced photocatalytic properties into the polymer blend, rendering it to be a functional self-cleaning material and enhancing its antimicrobial activities.

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Mechanical fatigue of biodegradable polymers: A study on polylactic acid (PLA), polybutylene succinate (PBS) and polybutylene adipate terephthalate (PBAT)

Cited by 16 publications

References 64 publications

Toward Sustainable Haptics: A Wearable Vibrotactile Solar‐Powered System with Biodegradable Components

Toward Sustainable Haptics: A Wearable Vibrotactile Solar‐Powered System with Biodegradable Components

Mechanical fatigue of recycled and virgin high‐/low‐density polyethylene

Fabrication of a Polybutylene Succinate (PBS)/Polybutylene Adipate-Co-Terephthalate (PBAT)-Based Hybrid System Reinforced with Lignin and Zinc Nanoparticles for Potential Biomedical Applications

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