Dispersing boron nitride nanosheets with carboxymethylated cellulose nanofibrils for strong and thermally conductive nanocomposite films with improved water-resistance

Chen, Kaihuang; Peng, Liyuan; Fang, Zhiqiang; Lin, Xiaoqi; Sun, Chuan; Qiu, Xueqing

doi:10.1016/j.carbpol.2023.121250

Cited by 8 publications

(14 citation statements)

References 49 publications

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“…Meanwhile, the change of hydroxyl peaks at 3400 cm −1 found in Figure 4h implies the hydrogen bonding in the PEF chains and BNNS. 48 The FTIR spectra are consistent with previous reports. 31,47,49 Therefore, in view of the good dispersion and orientation of BNNS, as well as the high compactness of the resultant BNNS/PEF composite films, such films will provide the expected high gas barrier and mechanical properties.…”

Section: Dispersion and Orientation Of Bnnssupporting

confidence: 92%

“…As shown in Figure 5i−k, the digital Comparison of Young's modulus and strength of BP2 film with commonly previously reported plastics (f). 48 Proposed hypothetical fracture mechanism models were developed for pure PEF (g) and composite (h) films. Tensile fracture SEM morphology of pure PEF film (i) and composite films (j and k).…”

Section: Dispersion and Orientation Of Bnnsmentioning

confidence: 99%

“…As illustrated in Figure 6f, both the strength and modulus of BNNS/PEF film are much larger than those of plastics. 48 Therefore, our biobased structural polyester material is lightweight, strong, and tough and has high airtightness, offering the full guarantee of gas barrier and mechanical properties as packing material for conventional petroleumbased plastic replacement. In addition, due to our construction approach being effective and scalable, mass production of biobased BNNS/PEF composite films can be realized.…”

Section: Dispersion and Orientation Of Bnnsmentioning

confidence: 99%

“…Strength and Young's modulus (b), elongation at break (c), and toughness (d) results of different films. A radial plot comparing the tensile strength, Young's modulus, toughness, and gas barrier for a PEF film and a BP2 film (e).Comparison of Young's modulus and strength of BP2 film with commonly previously reported plastics (f) 48. Proposed hypothetical fracture mechanism models were developed for pure PEF (g) and composite (h) films.…”

mentioning

confidence: 99%

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Boron Nitride-Based Polyester Nanocomposite Films with Enhanced Barrier and Mechanical Performances

Miah,

Ding,

Zhao

et al. 2024

ACS Appl. Polym. Mater.

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Developing sustainable plastics, for instance, green poly(ethylene 2,5furandicarboxylate) (PEF), is a promising pathway to decrease the reliance on petroleumbased plastics and the pollution of the environment. However, the preparation of highperformance PEF materials that integrate superior barrier and mechanical properties remains a huge challenge. In this study, a BNNSs/PEF composite film with excellent mechanical and barrier performance was fabricated by using furfuryl alcohol simultaneously acting as a high-level dispersant and interfacial reinforcement matrix for BNNSs. The optimized BNNS/PEF composite film with 0.2 wt % BNNSs (BP2) shows a compacted aligned structure and excellent comprehensive performance with 79.2 MPa tensile strength (43% enhancement), 4.2 GPa Young's modulus (83% enhancement), high gas barrier, and enhanced thermal stability. Remarkably, fruit testing conditions (e.g., relative humidity of 90−95%, temperature of 30, and natural light) showed that the BP2 composite film extended the shelf life of fresh strawberries by at least at least 5 days in an ambient environment. The overall performance of the BP2 composite film is optimized to be superior, which opens up an avenue for practical applications in the field of packaging materials.

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Section: Dispersion and Orientation Of Bnnssupporting

confidence: 92%

Section: Dispersion and Orientation Of Bnnsmentioning

confidence: 99%

Section: Dispersion and Orientation Of Bnnsmentioning

confidence: 99%

mentioning

confidence: 99%

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Boron Nitride-Based Polyester Nanocomposite Films with Enhanced Barrier and Mechanical Performances

Miah,

Ding,

Zhao

et al. 2024

ACS Appl. Polym. Mater.

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“…It also highlights the excellent combination of thermal transport capability and mechanical strength exhibited by the aramid nanofiber/exfoliated graphite (ANF/EGF) composite films developed in this work. Figure f plots the in-plane thermal conductivity versus tensile strength for such composites extracted from previous reports. ,− Most composites demonstrate a tradeoff between thermal conductivity and mechanical strength. For instance, CNF composites with MXene and boron nitride nanosheet hybrids showed a high thermal conductivity over 20 W/mK but a low tensile strength below 30 MPa .…”

Section: Resultsmentioning

confidence: 99%

Thermoconductive Graphene Fluoride Cross-Linked Aramid Nanofiber Composite Films with Enhanced Mechanical Flexibility and Flammable Retardancy for Thermal Management in Wearable Electronics

Nguyen,

Tran,

Mai

et al. 2023

ACS Appl. Nano Mater.

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Flexible electronics require thermally conductive materials with excellent mechanical flexibility to dissipate heat and ensure optimal performance. This work reports the development of metallic ionic cross-linked thermally conductive and mechanically flexible films composed of aramid nanofibers (ANFs) and exfoliated graphene fluoride (EGF) nanosheets. EGF was prepared by liquid exfoliation of fluorinated graphite and incorporated into ANF films fabricated by vacuum filtration. Metallic ion (Al 3+ ) treatment was used to improve interfacial interactions between the EGF fillers and ANF matrix. The EGF-reinforced ANF composite films displayed excellent in-plane thermal conductivity up to 19.48 W/mK for the sample with 50 wt % EGF, owing to the high intrinsic thermal conductivity of EGFs and their preferential alignment along the in-plane direction. The composite films also exhibited outstanding mechanical flexibility and durability, with tensile strength >150 MPa even at 50 wt % EGF content, enabled by efficient stress transfer across the EGF−ANF interface. Thermal conductivity was thermally stable up to 200 °C. The unique combination of high in-plane thermal conductivity, mechanical flexibility, and thermal stability illustrates the potential of ANF/EGF films for effective thermal management in flexible electronics.

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Thermal, Mechanical, and Viscoelastic Properties of Two‐Dimensional Nanomaterial‐Based Polymer Nanocomposites

Hooshyari,

Karimi,

Kakavand

et al. 2024

Two‐Dimensional Nanomaterials‐Based Polymer Nanocomposites

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Dispersing boron nitride nanosheets with carboxymethylated cellulose nanofibrils for strong and thermally conductive nanocomposite films with improved water-resistance

Cited by 8 publications

References 49 publications

Boron Nitride-Based Polyester Nanocomposite Films with Enhanced Barrier and Mechanical Performances

Boron Nitride-Based Polyester Nanocomposite Films with Enhanced Barrier and Mechanical Performances

Thermoconductive Graphene Fluoride Cross-Linked Aramid Nanofiber Composite Films with Enhanced Mechanical Flexibility and Flammable Retardancy for Thermal Management in Wearable Electronics

Thermal, Mechanical, and Viscoelastic Properties of Two‐Dimensional Nanomaterial‐Based Polymer Nanocomposites

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