A Comparative Analysis of Nanoparticle Adsorption as  Fire-Protection Approach for Fabrics

Alongi, Jenny; Tata, Jennifer Katty; Carosio, Federico; Rosace, Giuseppe; Frache, Alberto; Camino, Giovanni

doi:10.3390/polym7010047

Cited by 48 publications

(45 citation statements)

References 16 publications

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“…It was observed that formed CSE particles have a uniform size distribution with a mean volume diameter of 30 nm (standard deviation 0.98). The use of nanoparticles in the flame retardancy field has shown encouraging results and seems to be a good alternative in particular when applied as coatings on fabric surfaces [29][30][31]. Nanoparticles can be directly synthesized in situ on the fibers and fabric surfaces through techniques such as solgel processes, or preformed nanoparticles can be deposited on the fabric surface by using layer-by-layer (LbL) assembly or nanoparticle adsorption [29].…”

Section: Resultsmentioning

confidence: 99%

Development of thermally stable and hygienic colored cotton fabric made by treatment with natural coconut shell extract

Teli

Pandit

2017

Journal of Industrial Textiles

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As far as the value addition of textile is concerned, flame retardancy of textile materials is considered to be one of the most important properties in textile finishing by both industries as well as academic researchers. Flame-retardant property with thermal stability was imparted to cotton by using green coconut (Cocos nucifera Linn) shell extract, a natural waste source of coconut. Coconut shell extract was analyzed by high-performance liquid chromatography, Fourier transform infrared spectroscopy, energy-dispersive spectrometry and its phytochemical analysis was also carried out. The coconut shell extract (acidic after extraction) was applied in three different pH (acidic, neutral, and alkaline) conditions to the cotton fabric. Flame-retardant properties of the untreated and the treated cotton fabrics were analyzed by limiting oxygen index and vertical flammability. The study showed that all the treated fabrics had good flame resistance property compared to that of the untreated fabric. The limiting oxygen index value was found to increase by 72.2% after application of the coconut shell extract from alkaline pH. Pyrolysis and char formation behavior of the concerned fabrics were studied using thermogravimetric analysis and differential scanning calorimetric analysis in a nitrogen atmosphere. The physicochemical composition of the untreated and coconut shell extract treated cotton fabrics were analyzed by attenuated total reflection-Fourier transform infrared, scanning electron microscope, and energy-dispersive X-ray spectroscopy. Also, treated cotton fabric showed natural brown color and antibacterial

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Section: Resultsmentioning

confidence: 99%

Development of thermally stable and hygienic colored cotton fabric made by treatment with natural coconut shell extract

Teli

Pandit

2017

Journal of Industrial Textiles

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“…However, in order to make the present review on cotton ame retardancy for the best comprehension, the results currently updated regarding nanoparticle adsorption, LbL and sol-gel have been summarised in Tables 8-12. In addition, Table 13 reports the main results achieved depositing new green coatings consisting of bio-macromolecules like proteins and nucleic acids. 109 From an overall consideration, all the nanoparticles under study showed similar behaviour in that they improve cotton re performance to varying degrees; in particular, they promoted an increase of TTI (like in the case of sodium cloisite, hydrotalcite, 110 boehmite and POSS® 111 ), a reduction of pkHRR (all nanoparticles cited in Table 8) or both these events. 107 3.2.1 Nanoparticle adsorption.…”

Section: Present: From 2010 To Todaymentioning

confidence: 84%

“…Based on an increasing value for FPI, the next ranking has been recently established 109 (Fig. Based on an increasing value for FPI, the next ranking has been recently established 109 (Fig.…”

Section: Present: From 2010 To Todaymentioning

confidence: 99%

Cotton flame retardancy: state of the art and future perspectives

2015

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As clearly reported in the scientific literature, the history of cotton flame retardancy is very old: this is easily attributable to the chemical and physical properties of this fibre that made it predominant during the 20th century; at present, it is only exceeded in volume by polyester. As a consequence, the huge number of papers published in the scientific literature so far covers an extended period and, sometimes, it could be easy to forget some of the knowledge already developed in the past and to focus the attention on the recent highlights only. Therefore, the present work is aimed to review the most significant scientific and technological results about the flame retardancy of cotton, merging the past experience and the current efforts, trying also to foresee a possible scenario for the next future. After a historical excursus on the achievements up to 2010, the review will summarize the recent developments reached in the so-called "era of nanotechnology" for cotton, as a consequence of the setup of new approaches like nanoparticle adsorption, Layer by Layer assembly and sol-gel processes. Finally, a possible alternative development route indicated by the potential exploitation of bio-macromolecules as green flame retardant systems will be briefly discussed.

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“…They should also present environmental-friendly and nontoxic features. Although their efficiency is lower than halogen based flame retardants, expensive phosphorus based flame retardants for polyester are preferred, because of low smoke generation, nontoxicity, and low corrosion properties [10][11][12]. On the other hand, melt dripping of polyester during burning is still a major problem.…”

Section: Advances In Polymer Technologymentioning

confidence: 99%

“…Thus, very few studies related to the cone calorimeter analyses of textiles have been found in literature. Alonghi et al [12] applied several nanoparticles and their combinations to polyester, cotton, and polyester/cotton blends and tested their flammability by cone calorimeter under a heat flux of 35 kW/m 2 . They have investigated that most of the nanoparticles increase the fire performance index (FPI) value of polyester fabric with low area density (171 g/m 2 ); however they had very little effect on polyester fabric with high area density (490 g/m 2 ).…”

Section: Advances In Polymer Technologymentioning

confidence: 99%

Effect of Zinc Borate on Flammability of PET Woven Fabrics

Üreyen

Kaynak

2019

Advances in Polymer Technology

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Zinc borate (ZnB) has been used as a flame retardant, a smoke suppressant, and an antitracking agent in several applications. It may show synergistic effects with antimony oxide and metal hydroxides in fire retardant systems. In this work, the effect of ZnB on the flame retardancy of PET (poly(ethylene terephthalate)) woven fabrics was investigated. In order to provide the homogenous application of ZnB to the fabrics, the particle size of ZnB powders was reduced from 9 μm to submicron scale by wet-milling with zirconia balls followed by high shear fluid processing. ZnB dispersion was mixed with low-formaldehyde melamine resin based cross-linking agent and it was applied to PET fabrics by pad dry cure method. ZnB dispersion was then added in different ratios to alkyl phosphonate and organophosphorus compound based commercial flame retardant finishing agents and applied to the fabrics. The effect of zinc borate with phosphorus based flame retardant (FR) finishing agents was examined by cone calorimetry under a heat flux of 35 kW/m2, vertical flame test, and limit oxygen index. Thermogravimetric analysis was performed up to 800°C under N2 flow. Test results show that zinc borate can be combined with the organophosphorus based commercial FR finishing agents. Zinc borate could not improve the flammability properties of PET fabrics significantly but decreased mean CO, total smoke release, and total smoke production values.

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A Comparative Analysis of Nanoparticle Adsorption as Fire-Protection Approach for Fabrics

Cited by 48 publications

References 16 publications

Development of thermally stable and hygienic colored cotton fabric made by treatment with natural coconut shell extract

Development of thermally stable and hygienic colored cotton fabric made by treatment with natural coconut shell extract

Cotton flame retardancy: state of the art and future perspectives

Effect of Zinc Borate on Flammability of PET Woven Fabrics

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