Flame retardancy of nanocomposites with emphasis on Halloysite nanotubes

Rawtani, Deepak; Satish, Swathi; Rao, Piyush K

doi:10.1016/j.jiec.2023.04.036

Cited by 27 publications

(2 citation statements)

References 109 publications

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“…In this respect, nanoclays have found great interest in improving the fire properties of polymer materials [ 47 , 131 ]. Flammability is measured by cone calorimetry [ 130 ].…”

Section: Characterization Of Pvc-clay Composite and Nanocompositementioning

confidence: 99%

“…For instance, some reviews delve into specialized applications such as water treatment [ [32] , [33] , [34] , [35] , [36] , [37] , [38] ], biomedical uses [ 39 ], automotive and construction industries [ 40 , 41 ], and lithium-ion batteries [ 42 ]. Others narrow their scope to individual clay types, including montmorillonite (MMT) [ 43 , 44 ], halloysite [ [45] , [46] , [47] ], and sepiolite [ 48 ].…”

Section: Introductionmentioning

confidence: 99%

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Clay-reinforced PVC composites and nanocomposites

Abdollahi Boraei,

Bakhshandeh,

Mohammadzadeh

et al. 2024

Heliyon

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“…In this respect, nanoclays have found great interest in improving the fire properties of polymer materials [ 47 , 131 ]. Flammability is measured by cone calorimetry [ 130 ].…”

Section: Characterization Of Pvc-clay Composite and Nanocompositementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Clay-reinforced PVC composites and nanocomposites

Abdollahi Boraei,

Bakhshandeh,

Mohammadzadeh

et al. 2024

Heliyon

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Nanofiller‐and basalt fiber‐reinforced recycled polyamide 6 hybrid composites

Ahlatli,

Bozkurt,

Erkliğ

et al. 2024

Polymer Composites

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The influence of nanofillers (cellulose nanofibers (CNF) and halloysite nanotubes (HNTs)), and basalt fibers (BF) on the morphology, mechanical and thermal of recycled polyamide 6 (PA6) composites were investigated through scanning electron microscopy (SEM), mechanical testing, rotational rheometry, dynamic mechanical analysis (DMA), thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). CNF, HNTs and BF were relatively well‐dispersed in the PA6 matrix and the incorporation of these nanofillers and BF increased the strength of the matrix, which indicates a good dispersion of the nanofillers and BF. CNF and HNTs‐filled PA6 nanocomposites increased the tnsile strength by 14% and 6% compared to the neat PA6, respectively. The composites elongation at break decreased with nanofiller, BF and combined nanofillers and BF. The shear storage modulus values of PA6/20B5C, PA6/20B5H, and PA6/25B are significantly elevated compared to neat PA6, with increases of 3.7, 2.8, and 2.5 times, respectively, at an angular frequency of 100 rad/s. PA6/20B5H composites with 20 wt.% BF and 5 wt.% HNTs exhibited the highest storage modulus (9.5 GPa) from the DMA study. Thermal stability and ash content at 800°C increased with the incorporation of HNTs and BF. The DSC findings showed that the glass transition (Tg) and melting temperature (Tm) of the composites did not exhibit any notable changes when nanofillers and BF were added to the resin. The nucleation ability of PA6 was enhanced attributable to BF and hybridization of BF and nanofillers since the crystallization temperatures of PA6 in BF filled and hybrid composites were around 5°C greater than neat PA6. The results suggest hybrid composites with potential environmental characteristics and higher mechanical properties can be utilized in semi‐structural applications in automotive and construction as a sustainable and lightweight alternative to steel and other materials.Highlights The addition of HNTs, CNF, BF and hybridization of nanofillers with BF reduced the brittleness of PA6. Nanoreinforced and hybrid PA6 composites achieved higher storage modulus than neat PA6. Thermal stability and ash content increased with the incorporation of HNTs and BF. The hybrid composites have a higher complex viscosity compared to PA6. The sustainable hybrid composites can be utilized in automotive and construction industries.

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Unveiling the Potential of Halloysite Nanotubes: Insights into Their Synthesis, Properties, and Applications in Nanocomposites

Aljibori,

Al‐Amiery,

Isahak

2024

Starch Stärke

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Halloysite nanotubes (HNTs) have attracted considerable attention due to their unique properties and wide range of applications. This review explores HNT‐based nanocomposites, focusing on their preparation methods and improvements in mechanical, thermal, and barrier properties. Various synthesis techniques, including solution mixing, melt compounding, in situ polymerization, and surface modification, are discussed, along with their benefits and limitations. The role of HNT characteristics such as aspect ratio, dispersion, and surface chemistry in enhancing nanocomposite properties is examined. HNTs significantly boost mechanical properties, including tensile strength, Young’s modulus, and toughness, due to their reinforcement effects. Improved dispersion and interfacial adhesion between HNTs and the polymer matrix enhance these properties. HNTs also act as thermal barriers, improving heat resistance and dimensional stability, while enhancing barrier properties against gases and moisture. These synergistic effects allow for the customization of nanocomposites for specific applications in packaging, automotive, electronics, and biomedical fields. Future research should focus on optimizing synthesis methods and processing techniques to further improve HNT‐based nanocomposites’ performance. This review provides a comprehensive overview of HNT‐based nanocomposites, offering valuable insights for advancing nanomaterials science and engineering.

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Flame retardancy of nanocomposites with emphasis on Halloysite nanotubes

Cited by 27 publications

References 109 publications

Clay-reinforced PVC composites and nanocomposites

Clay-reinforced PVC composites and nanocomposites

Nanofiller‐and basalt fiber‐reinforced recycled polyamide 6 hybrid composites

Unveiling the Potential of Halloysite Nanotubes: Insights into Their Synthesis, Properties, and Applications in Nanocomposites

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