Synergistic reinforcement mechanism of basalt fiber/cellulose nanocrystals/polypropylene composites

Song, Dingquan; Wang, Bin; Tao, Wencan; Wang, Xi; Zhang, Wei; Dai, Mingfeng; Li, Jinyang; Zhou, Zhuowan

doi:10.1515/ntrev-2022-0480

Cited by 6 publications

(5 citation statements)

References 40 publications

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“…3c', which are SEM images of C2-F10 and C2-F20 respectively, there is a noticeable enhancement in the pore structure. Compared to the pore structure of pure cellulose, the cellulose/FA porous materials exhibit more complete pore structures as FA content increases, a change attributed to the disruption of cellulose's original crystalline structure by FA, as supported by FT-IR and XRD analysis (Song et al 2022). Furthermore, the strong hydrogen bonding interactions between FA and cellulose enable large areas of FA particles to adhere, not only reinforcing the pore structure but also facilitating the reconnection of some cellulose bers.…”

Section: Resultsmentioning

confidence: 87%

Fly-Ash based Flame-Retardant Cellulose Materials for Strengthening and Value-Added Utilization in Industrial Solid Wastes

He,

Tan,

et al. 2024

Preprint

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Cellulose, a bio-based material, is increasingly researched and valued for its abundant availability and exceptional characteristics. However, Cellulose has a flammable problem. This study addresses this issue by integrating it with industrial waste fly ash (FA) to overcome its natural flammability. By solution compounding, the study successfully developed cellulose/FA films and porous structures, significantly boosting the material's flame-retardant capabilities. This innovation not only enhances the practical application of cellulose but also promotes the high-value reuse of FA, resonating with the principles of sustainable development. The cellulose/FA hydrogel, characterized by a homogeneous and stable blend of FA particles and cellulose, achieves this through effective affinity and hydrogen bonding, ensuring optimal miscibility and encapsulation. In terms of thermal properties, the modified composites (C-F10, C-F20 and C-F30) demonstrate a substantial increase in initial decomposition temperatures, approximately 26℃ higher than pure cellulose, ranging between 282℃ and 302℃. This enhancement is attributed to the formation of an inorganic protective layer on the cellulose matrix, which significantly improves thermal stability while maintaining key mechanical properties. Remarkably, the flame retardancy of these materials shows notable improvement, particularly at a 30wt% FA concentration, with the limiting oxygen index (LOI) of the porous and film structures reaching around 29% and 31%, respectively. This advancement greatly elevates their flame resistance. Overall, this study presents a pioneering approach in developing eco-friendly, flame-retardant materials by repurposing industrial waste, marking a significant stride in sustainable material innovation.

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Section: Resultsmentioning

confidence: 87%

Fly-Ash based Flame-Retardant Cellulose Materials for Strengthening and Value-Added Utilization in Industrial Solid Wastes

He,

Tan,

et al. 2024

Preprint

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“…Currently, there are only a few studies on the mechanical properties of hybrid polypropylene composites with the addition of basalt and cellulose fibers. One of them is work 27 where Song et al studied (BF)-reinforced polypropylene (PP) composites based on the synergistic reinforcement of cellulose nanocrystals (CNCs). The fibers were modified with a silane coupling agent, thanks to which higher reinforcement effects were achieved.…”

Section: Introductionmentioning

confidence: 99%

Strength properties and ability to dissipate mechanical energy of biopolypropylene basalt/cellulose composites with the addition of antibacterial turmeric

Rusin-Żurek,

Kuciel

2024

Sci Rep

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The aim of this study was to evaluate the possibility of producing novel reinforced biocomposites based on polypropylene produced from biomass with the addition of antibacterial turmeric as a natural antibacterial agent for the manufacturing of orthoses and other small external medical equipment. Six hybrid composites containing 5–15% basalt fibers, 5–15% microcellulose fibers, 2% turmeric powder and 2% anhydride maleic compatibilizer were produced on a biobased polypropylene matrix by injection molding. The basic strength properties were determined in a static tensile, bending and impact test. The low-cycle dynamic test was carried out to determine changes in dissipation energy and the development of relaxation processes. In order to assess the microstructure of the composites, SEM micrographs were taken after the tensile test. The obtained results confirm that it was possible to produce functional biocomposites based on biopolypropylene with the addition of basalt and lignocellulosic fibers modified with natural antibacterial turmeric. Based on the results of strength properties tests, it can be seen that the addition of basalt fibers increases strength and stiffness, while microcellulose particles reduce the ability to dissipate mechanical energy, and in both cases water has a plasticizing effect on the produced composites. The addition of fibers increases the flexural modulus by 39–196% and is higher the higher the fiber content. The most promising seem to be hybrid composites with a balanced proportion of 10:10 and 15:15 basalt and EFC fibers, which are characterized by 20% higher strength and almost two and a half times higher stiffness than neat polypropylene.

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“…Today, many synthetic polymers are used as a matrix and reinforced with fibers to make composite materials. A widely used polymer is polypropylene (PP) [6][7][8]. This is a thermoplastic material whose production and applications have a significant growth worldwide, only surpassed by polyethylene (PE) and polyvinyl chloride (PVC), which, due to its chemical structure, is easily recyclable [9].…”

Section: Introductionmentioning

confidence: 99%

“…In addition to this, PP has been reinforced with natural fibers on a nanometric scale such as cellulose nanocrystals (CNCs) [11,12]. The production of polymer mixtures with CNC to obtain nanocomposites has received increasing interest in recent years [7,8]. This is because the mixtures of its components promise to have better mechanical characteristics than each component separately, in addition to the fact that the CNC reinforcements have low density, are biodegradable and are from renewable sources [13,14].…”

Section: Introductionmentioning

confidence: 99%

“…The author mention that the CNCs not only promoted the crystallinity of PP through heterogeneous nucleation but also formed a wedge-shaped structure between themselves and the BFs through hydrogen bonds to prevent the molecular movement of PP. On the other hand, BFs promoted not only the extrusion crystallization of the resin matrix, but also the network structure formed by the appropriate BF content can realize the rapid external strength transmission [7]. In addition to this, there are difficulties due to agglomeration when adding nanoparticles to thermoplastic polymers such as PP.…”

Section: Introductionmentioning

confidence: 99%

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Polypropylene Composites Reinforced with Lignocellulose Nanocrystals of Corncob: Thermal and Mechanical Properties

Santos-Ventura,

Escalante-Álvarez,

González-Nuñez

et al. 2024

J. Compos. Sci.

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Composites based on recycled polypropylene (PP) reinforced with cellulose nanocrystals whit lignin corncob were prepared. The effect of the ratio composites prepared via a compression molding process on the mechanical and thermal properties was analyzed. Corncobs is a little-used agroindustrial residue with a high cellulose content. The corncob was milled and then delignified via the organosolve process in order to get the cellulose unbleached. An acid hydrolysis process was then carried out to obtain lignocellulose nanocrystals (LCNCs). Subsequently, LCNC/PP composites were obtained via termocompression molding using different concentrations of LCNC (0, 0.5, 1 and 2% by weight) previously mixed via extrusion. The residual lignin present in the LCNCs improved the compatibility between the reinforcement and the PP matrix. This was evidenced by the increase in mechanical properties and the stabilization of thermal properties. The results of the mechanical tests showed that the LCNC increases the tensile and flexural modules and strength with respect to neat PP. Composites with 2% of LCNC showed an increase of 36% and 43% in modulus and tensile strength, respectively, while the flexural modulus and strength increased by 7.6%. By using reinforcements of natural and residual origin (corncob) and improving the properties of recycled polymers, their reuse will increase, and this can lead to reducing waste in the environment.

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Synergistic reinforcement mechanism of basalt fiber/cellulose nanocrystals/polypropylene composites

Cited by 6 publications

References 40 publications

Fly-Ash based Flame-Retardant Cellulose Materials for Strengthening and Value-Added Utilization in Industrial Solid Wastes

Fly-Ash based Flame-Retardant Cellulose Materials for Strengthening and Value-Added Utilization in Industrial Solid Wastes

Strength properties and ability to dissipate mechanical energy of biopolypropylene basalt/cellulose composites with the addition of antibacterial turmeric

Polypropylene Composites Reinforced with Lignocellulose Nanocrystals of Corncob: Thermal and Mechanical Properties

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