Corrigendum to “The suitability of halloysite nanotubes as a fire retardant for nylon 6” [Polym Degrad Stab 93 (2008) 1971–1978]

Marney, Donavan; Russell, L.J.; Wu, Dong Yang; Nguyen, Thi Hai Yen; Cram, Darren Geoffrey; Rigopoulos, N.; Wright, Neil T.; Greaves, Mark

doi:10.1016/j.polymdegradstab.2008.10.010

Cited by 26 publications

(34 citation statements)

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“…[12][13][14] Halloysite clay is especially used as a corrosion-resistant coating additive and reproof material in materials science. 15,16 It has an inner lumen with a tubular structure for the encasing and sustained release of macromolecules, including drugs, DNA, and proteins. Given their narrow lumen and chemically active external and internal surfaces, halloysite particles can be used as a cheap nanocontainer for the controlled release of active agents.…”

Section: Introductionmentioning

confidence: 99%

Halloysite clay nanotubes as effective nanocarriers for the adsorption and loading of vancomycin for sustained release

Pan

Hong

et al. 2017

RSC Adv.

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Ensuring the adequate delivery of local antibiotic concentrations to infected bone is crucial. Accordingly, we developed a new and simple controlled release system with halloysite clay nanotubes (HNTs) as nanocarriers of vancomycin (Van), a potent antibiotic drug, for the simple preparation of a local drug delivery system. Noncytotoxic HNTs served as barriers against cell ingrowth for the delivery system. The preparation conditions of HNTs-Van were optimized. With the mass ratio of Van and HNTs controlled at 2 : 1, HNTs-Van obtained the highest Van loading content under suitable preparation conditions. HNTsVan allowed the effective and extended release of the drug over a period of 33 days, compared with only 1 day with the direct release of pristine Van. The feasibility of the highly effective local antibacterial activity of HNTs-Van in treating infections was confirmed through the Kirby-Bauer assay. This work suggests that HNTs are efficient for the local delivery of antibiotics in bacterial infection treatment.

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Section: Introductionmentioning

confidence: 99%

Halloysite clay nanotubes as effective nanocarriers for the adsorption and loading of vancomycin for sustained release

Pan

Hong

et al. 2017

RSC Adv.

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“…It has been found that a uniform dispersion of HNTs at the nanoscale can lead to a substantial reinforcement of the mechanical and thermo‐mechanical properties of the polymer. Additionally, the thermal stability and flame retardancy of halloysite nanocomposites are also improved …”

Section: Introductionmentioning

confidence: 99%

Towards scalable production of polyamide 12/halloysite nanocomposites via water-assisted extrusion: mechanical modeling, thermal and fire properties

Lecouvet

Sclavons

Bourbigot

et al. 2013

Polym. Adv. Technol.

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In this study, polyamide 12 (PA12)/untreated halloysite nanotubes (HNTs) nanocomposites are prepared in a semiindustrial scale extruder using a non-traditional "one step" water-assisted extrusion process. A morphological study is carried out using a combination of scanning electron microscopy and transmission electron microscopy analyses to evaluate the influence of water injection and filler content on the quality of clay dispersion. The use of water injection slightly improves the nanoscale dispersion at low HNTs content (<8 wt.%), while this effect is more pronounced at higher filler loading (16 wt.%). A mechanism explaining the physico-chemical action of water during extrusion is proposed. The materials are characterized with respect to their mechanical, thermo-mechanical, thermal and fire properties. A strong correlation is found between nanostructure and physical properties; the more uniform dispersion of the clay nanotubes, the higher mechanical reinforcement, thermal stability and fire retardancy of PA12 nanocomposites. Tensile tests results are interpreted in terms of three mechanical models: the Halpin-Tsai's model for stiffness and the interfacial strength model and the Pukanszky's equation for yield strength. Linear fits of the experimental data confirm that the superior reinforcement of nanocomposites prepared using water injection results from improved clay dispersion and better interfacial adhesion between PA12 and HNTs. In view of these promising results, the proposed direct melt compounding method could be easily scaled-up towards the production of PA12-HNTs nanocomposites at an industrial scale.

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“…HNT features a tubular structure resembling CNTs with a high length-to-diameter ratio (L/D), low hydroxyl group density on the surface, and biocompatibility. It has been reported that the HNTs confer enhanced mechanical properties, thermal stability, and anti-flammability characteristics to polymer matrices likely polyethylene, 9 polypropylene, 10 nylons, [11][12][13] epoxy resin, 14 and rubbers. [6][7][8] It is noteworthy to mention that the cost effectiveness, natural availability, and biocompatibility of HNT makes it one of the superior nanofiller than that of CNT and nanoclays.…”

Section: Introductionmentioning

confidence: 99%

Thermal, mechanical, and rheological properties of poly(ε‐caprolactone)/halloysite nanotube nanocomposites

Lee

Chang

2012

J of Applied Polymer Sci

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Naturally available halloysite nanotubes (HNTs) with hollow nanotubular structures were used as reinforcement in poly(e-caprolactone) (PCL). The PCL/HNT nanocomposites were prepared by melt mixing the polymer with as-received HNTs up to 10 wt % in an internal batch mixer. Transmission electron microscopy analysis indicated that the HNTs were dispersed uniformly on the nanoscale throughout the PCL matrix. Differential scanning calorimeter studies revealed that the PCL crystallinity was decreased in the nanocomposites, and the HNTs dispersed in the PCL matrix led to an increase in the non-isothermal crystallization temperature of the PCL. Tensile and dynamic mechanical tests showed great enhancement in strength and stiffness at low HNT content, while still maintaining the ductility of the PCL. The glass transition temperature (T g ) of the pristine PCL was substantially increased with increase in filler loading, which indicates good reinforcing effect imparted by the addition of HNT. Melt rheological studies revealed that the nanocomposites exhibited strong shear thinning behavior, and a percolated network of HNT particles was formed.

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Corrigendum to “The suitability of halloysite nanotubes as a fire retardant for nylon 6” [Polym Degrad Stab 93 (2008) 1971–1978]

Cited by 26 publications

References 0 publications

Halloysite clay nanotubes as effective nanocarriers for the adsorption and loading of vancomycin for sustained release

Halloysite clay nanotubes as effective nanocarriers for the adsorption and loading of vancomycin for sustained release

Towards scalable production of polyamide 12/halloysite nanocomposites via water-assisted extrusion: mechanical modeling, thermal and fire properties

Thermal, mechanical, and rheological properties of poly(ε‐caprolactone)/halloysite nanotube nanocomposites

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