A study of organo-modified clay type on pet-clay based nanocomposite properties

Yelkovan, Sinem; Yılmaz, Demet; Aksoy, Kasım

doi:10.12748/uujms.201416498

Cited by 3 publications

(4 citation statements)

References 17 publications

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“…In this study, the flame-retardant properties of cotton fabrics were improved using commercial nanoclay. Cloisite has been applied to polyethylene terephthalate polyethylene terephthalate fiber, and nanocomposites in studies conducted to date [Fabia et al 2020;Devaux et al 2015;Yelkovan et al 2014]. In this study, Cloisite was applied directly to the cotton fabric with the coating method, speedy.…”

Section: Discussionmentioning

confidence: 92%

A study on coating with nanoclay on the production of flame retardant cotton fabrics

Kertmen¹,

Dalbaşi²,

Körlü³

et al. 2020

Tekstil Ve Konfeksiyon

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In this study, 100% cotton fabrics' flame retardant properties were improved using commercial nanoclay (Cloisite 20A), clay-based montmorillonite. Flame retardancy and thermal decomposition behavior of the samples were characterized by the vertical burning test, limiting oxygen index (LOI), and thermogravimetric analysis (TGA). The surface morphology of untreated and treated fabric was examined using a scanning electron microscope (SEM). Fourier-transform infrared spectroscopy (FTIR) analysis was carried out for Cloisite 20A, untreated, and coated fabrics. The test results showed that the coating treatment, even at low nanoclay concentration, is enough to have a considerable flame retardant effect. This result was attributed to the barrier effect of the nanoclay.

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Section: Discussionmentioning

confidence: 92%

A study on coating with nanoclay on the production of flame retardant cotton fabrics

Kertmen¹,

Dalbaşi²,

Körlü³

et al. 2020

Tekstil Ve Konfeksiyon

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Section: Resultsmentioning

confidence: 96%

“…On the other hand, 93A has a lower hydrophobicity because it holds only one methyl group. 30B presents a hydroxyl group at the backbone, thus can interact with the amine group of the PA. 45,46 It can be seen that both in stagnant water and air, the concentration of Thymol left immediately after processing was slightly higher when polar 30B NC was present in the PE/PA system. We assume that because of the higher chemical affinity, the polar 30B NC had a more significant effect on the amount of Thymol retained after processing compared to the nonpolar 15A and 93A NC.…”

Section: Quantitative Analysis Of the Eos Concentration In The Filmmentioning

confidence: 99%

Essential oils as natural root‐repellent herbicides for drip irrigation systems

Balboul

Ophir

Dotan

2022

Polymers for Advanced Techs

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The increasing use of synthetic herbicides in agriculture creates severe ecological and environmental threats. Several essential oils (EOs) (Thymol, Carvacrol, Cinnamaldehyde, and Eugenol) were investigated as natural herbicides, and their potential use as a substitute for synthetic and toxic chemicals for preventing roots intrusion in subsurface drip irrigation systems. To overcome their high volatility and to increase their thermal stability during processing, multiphase hybrid blends based on polymer/nanoclays (NCs) were prepared, enabling control of the EOs migration rate from the final active film. Germination experiments on mash bean seeds in open and closed systems have been conducted to evaluate the EOs efficacy as germination inhibitors. The amount of EO remaining in the films, after processing and for varying timepoints, was determined by UV–Vis spectroscopy through extraction. From these two experiment's results, we identified Thymol as the most effective herbicide. The effects of polymers/Thymol affinity and organoclay polarity were investigated to achieve a slow‐release effect. Linear low‐density polyethylene/polyamide 6 system showed better efficiency compared to the linear low‐density polyethylene in retaining Thymol during processing due to the thermodynamic affinity of the polyamide 6 phase with Thymol. NCs have been found to be nuclear foci during the first thermal process to obtain smaller highly surface voids allowing better absorption of the Thymol during the second thermal processing. NC Cloisite 15A showed better dispersion in the polymer matrix and improved chemical affinity between the nanocomposite and the Thymol. As a result, Thymol's desorption was delayed and a controlled release was obtained. Eventually, it was concluded that Thymol could be a natural and environmentally friendly alternative to the synthetic herbicides and use as root‐repellent agent.

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“…Integrated X-ray diffraction profiles of produced unfilled rPET and organoclay-based nanocomposite rPET samples are given in Figure 1. The peaks in the graphs, 2θ, are attributed to the lamellar arrangement of clay platelets [41]. As seen, diffraction patterns of rPET and organoclay-based nanocomposite samples did not indicate any significant changes.…”

Section: Resultsmentioning

confidence: 99%

Various properties of recycled PET (rPET)/organoclay nanocomposite fibres

Kiliç

Yılmaz

2020

Plastics, Rubber and Composites

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Today, the production of polymeric nanocomposite materials is one of the most important research fields. In this study, it was aimed to investigate the effect of organoclay particles on recycled polyester (rPET) fibre properties. In the literature, the studies mostly concerned with the engineering plastic applications, and hence the investigations were done on pellet and injection-moulded rPET/organoclay nanocomposite samples. Actually, fibre application is the most important market for PET wastes, but unfortunately, there are only a few papers regarding rPET/organoclay composite fibre properties. In the study, rPET/organoclay nanocomposites were prepared by melt intercalation process with different modified organoclay types (3 wt-%), and multifilament fibres were spun by the melt spinning method. Morphological and thermal properties of nanocomposites and surface structure, tensile, and thermal stability properties of the fibres were tested. The results indicated that the distribution of clay particles and organoclay types had a significant influence on various fibres properties.

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A study of organo-modified clay type on pet-clay based nanocomposite properties

Cited by 3 publications

References 17 publications

A study on coating with nanoclay on the production of flame retardant cotton fabrics

A study on coating with nanoclay on the production of flame retardant cotton fabrics

Essential oils as natural root‐repellent herbicides for drip irrigation systems

Various properties of recycled PET (rPET)/organoclay nanocomposite fibres

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