Progress in Sol-Gel Technology for the Coatings of Fabrics

Periyasamy, Aravin Prince; Venkataraman, Mohanapriya; Dana, Kausik; Militký, Jiřı́; Zhou, Yan

doi:10.3390/ma13081838

Cited by 98 publications

(54 citation statements)

References 195 publications

(236 reference statements)

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“…Nanomaterials synthesized using Sol-Gel have wide-spread applications including drug delivery, wastewater treatment, construction materials, and a variety of sensors [ 41 , 42 , 43 , 44 , 45 , 46 , 47 , 48 ]. This method can be applied at an industrial level due in part to the limited number of ingredients that are required to facilitate the final product [ 49 , 50 ]. Additionally, Sol-Gel synthesis can progress utilizing only one-pot which adds to its allure [ 44 ].…”

Section: Traditional Synthesis Methodsmentioning

confidence: 99%

Green Synthesis of Nanomaterials

et al. 2021

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Nanotechnology is considered one of the paramount forefronts in science over the last decade. Its versatile implementations and fast-growing demand have paved the way for innovative measures for the synthesis of higher quality nanomaterials. In the early stages, traditional synthesis methods were utilized, and they relied on both carcinogenic chemicals and high energy input for production of nano-sized material. The pollution produced as a result of traditional synthesis methods induces a need for environmentally safer synthesis methods. As the downfalls of climate change become more abundant, the scientific community is persistently seeking solutions to combat the devastation caused by toxic production methods. Green methods for nanomaterial synthesis apply natural biological systems to nanomaterial production. The present review highlights the history of nanoparticle synthesis, starting with traditional methods and progressing towards green methods. Green synthesis is a method just as effective, if not more so, than traditional synthesis; it provides a sustainable approach to nanomaterial manufacturing by using naturally sourced starting materials and relying on low energy processes. The recent use of active molecules in natural biological systems such as bacteria, yeast, algae and fungi report successful results in the synthesis of various nanoparticle systems. Thus, the integration of green synthesis in scientific research and mass production provides a potential solution to the limitations of traditional synthesis methods.

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Section: Traditional Synthesis Methodsmentioning

confidence: 99%

Green Synthesis of Nanomaterials

et al. 2021

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“…The most popular form of organosilicon compounds is silica precursors, which are applied in the sol-gel process. These compounds can form multidimensional siloxane structures that insulate the fibers from the source of flames on the fabric surface [ 20 , 21 , 22 , 23 , 24 ]. Moreover, these siloxane networks can easily immobilize phosphorus or ammonium flame retardants [ 25 , 26 , 27 , 28 ].…”

Section: Introductionmentioning

confidence: 99%

Multifunctional Cotton Fabrics Obtained by Modification with Silanes Containing Esters of Phosphoric Acid as Substituents

et al. 2021

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The development of novel flame retardants for cotton textiles that form a stable layer on textile fiber is of high economical and practical relevance. A novel flame retardant fluorinated phosphoric acid esters modified silicone resins for cotton modification were synthesized. The investigated phosphoric acid esters based compounds were substituted by a fluorinated chain or ring, and alkoxysilyl groups. The presence of alkoxysilyl groups allowed the formation of bonds with cellulose, while derivatives of phosphoric esters reduced the flammability of fabrics. Additionally, the presence of fluoride in their structures affected the hydrophobic properties. Cotton fabrics were modified in a simple one-step process by dip-coating method. The flame retardant properties of modified textiles were examined by performing microcalorimetric analysis, thermogravimetry analysis, and measuring oxygen index. The hydrophobicity was evaluated by measuring the water contact angle. The modified fabrics were characterized by SEM-EDS (Scanning Electron Microscopy with Energy Dispersive Spectroscopy) analysis and surface morphology. As a result of the tests, multifunctional fabrics were obtained.

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“…However, textiles treated with these ame retardants will release carcinogenic formaldehyde during nishing and use (Jia et al 2017). Therefore, it is necessary to study the formaldehydefree, halogen -free and durable ame retardant for cotton.In addition, in order to further enhance the re resistance and durability of cotton fabrics, someeffective strategies were implemented by coating , grafting (Wang et al 2020), layer-by-layer (LBL) self-assembly (Pan et al 2015),plasma treatment (Lam et al 2011) and sol gel technology (Periyasamy et al 2020) etc.which can e ciently enhance the cotton fabric re resistance.…”

Section: Introductionmentioning

confidence: 99%

One-step green synthesis of eco-friendly novel N–P synergistic flame retardant for cotton fabric

et al. 2021

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A novel N-P ammonium salt 1,3-propylene glycol diphosphate ester (APGDPE) ame retardant was tersely synthesized under solvent-free condition to lower cotton fabric re hazard. The APGDPE structure was characterized by 1H NMR,13C NMR,31P NMR and IR spectroscopy. The reactive P=O(NH4+)2 and PO(OH)2 groups of APGDPE were successfully grafted into cotton fabric to form P-O-C covalent bond. The limiting oxygen indexes (LOI) of 20%, 30% and 40% APGDPE treated cotton reach 40-44.5%. After 50 laundering cycles (LCs), the LOI value of 40% treated cotton still maintains 27.3%. These results veri ed that the treated cotton has obtained outstanding ame retardancy and prominent durability. TG test indicates that the thermal stability and thermal oxidative stability of treated cotton are much higher than those of control cotton. TG-IR test displayed that treated cotton released less ammable volatile gases than those of control cotton. Cone calorimetry revealed that the PHRR and THR values of treated cotton decreased by 5.57 % and 26.8%,respectively. XRD results suggest that the crystallization zone of cotton fabric before and after treatment hardly change. TG-IR and cone calorimetry tests veri ed the APGDPE condensation phase mechanism for treated cotton.

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Progress in Sol-Gel Technology for the Coatings of Fabrics

Cited by 98 publications

References 195 publications

Green Synthesis of Nanomaterials

Green Synthesis of Nanomaterials

Multifunctional Cotton Fabrics Obtained by Modification with Silanes Containing Esters of Phosphoric Acid as Substituents

One-step green synthesis of eco-friendly novel N–P synergistic flame retardant for cotton fabric

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