A Novel Cyclic Polysiloxane Linked by Guanidyl Groups Used as Flame Retardant and Antimicrobial Agent on Cotton Fabrics

Wei, Dongdong; Dong, Chaohong; Liu, Jian; Zhang, Zheng; Lu, Zhou

doi:10.1007/s12221-019-9008-7

Cited by 15 publications

(7 citation statements)

References 37 publications

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“…For the SFCIS with a mass ratio of 75/25, the limiting oxygen index (LOI), which gives the oxygen concentration (28%–44%) needed to keep a material burning, is as high as 43%, with the level V-0 being more than two times higher than the oxygen level in air (21%) . This LOI value is also significantly higher than that of pristine SF film (28%) and commercial, flame retardant-containing polymer materials (22%–25%) (Figure b), and even superior to the state-of-the-art fire-retardant materials, such as graphene oxide-sourced foams (34%), rigid polyvinyl chloride (36%), and fire-retardant cotton (30%) …”

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confidence: 96%

“…31 This LOI value is also significantly higher than that of pristine SF film (28%) and commercial, flame retardantcontaining polymer materials (22%−25%) (Figure 3b), 32 and even superior to the state-of-the-art fire-retardant materials, such as graphene oxide-sourced foams (34%), 33 rigid polyvinyl chloride (36%), 29 and fire-retardant cotton (30%). 34 A thermogravimetric analysis/mass spectrometry (TGA-MS) coupling system (Figure 3), Fourier transform infrared spectroscopy (FTIR) (Figure S6a in the Supporting Information), and morphologic characterization techniques (Figure 4c, as well as Figure S6b in the Supporting Information) were combined to uncover the flame-retardant mechanism of SFCISs. Particularly, the combination of the TGA and MS technologies allowed for simultaneous thermal characterization and quantitative analyses of the compounds in the furnace exhaust as an online mode (see Figures 3c and 3d).…”

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confidence: 99%

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Flame-Retardant and Sustainable Silk Ionotronic Skin for Fire Alarm Systems

Liu

Yang

Ren

et al. 2020

ACS Materials Lett.

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Ionotronic skin (i-skin) has drawn considerable attention, because it can interface with different systems to sense and respond to external stimuli, such as force and temperature. However, safety issues, such as biosecurity, sustainability, and safety in use, are rarely considered in i-skin designs. In this study, a flame-retardant and biosafe i-skin was developed by using silk fibroin and Ca 2+ ions as starting materials. The structures, performance, and safety issues of the i-skins were well-balanced. The resultant i-skins not only maintained the advantages of conventional i-skins, such as conductivity, transparency, high stretchability, and self-healing ability, but also featured outstanding flame retardancy and temperature sensibility. With these features, an automated fire alarm system was designed to detect possible fire conditions. Benefiting from their low cost, stretchability, and sustainability, these i-skins are expected to be employed in a range of emerging fields, such as flame-retardant materials, fire alarms, temperature sensors, and human/machine interfaces.

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confidence: 96%

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confidence: 99%

Flame-Retardant and Sustainable Silk Ionotronic Skin for Fire Alarm Systems

Liu

Yang

Ren

et al. 2020

ACS Materials Lett.

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“…To a certain extent, the coating improves washing durability and thus has less impact on the flame retardancy of cotton fabrics. Furthermore, it also exhibits improved antibacterial effects with inhibition zones of 2.5 mm and 2.3 mm against Escherichia coli ( E. coli ) and S. aureus , respectively [ 31 ]. In addition, Atousa et al prepared a suspension with ZrO 2 NPs along with cetyltrimethylammonium bromide (CTAB), maleic acid (MA), sodium hypophosphite (SHP), and urea by using an impregnation bath.…”

Section: Recent Advances In Multifunctional Textiles With Flame Retar...mentioning

confidence: 99%

Multifunctional Textiles with Flame Retardant and Antibacterial Properties: A Review

Jin,

Ji,

Chen

et al. 2023

Molecules

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It is well known that bacterial infections and fire-hazards are potentially injurious in daily life. With the increased security awareness of life and properties as well as the improvement of living standards, there has been an increasing demand for multifunctional textiles with flame retardant and antibacterial properties, especially in the fields of home furnishing and medical protection. So far, various treatment methods, including the spray method, the dip-coating method, and the pad-dry-cure method, have been used to apply functional finishing agents onto fabrics to achieve the functionalization in the past exploration stage. Moreover, in addition to the traditional finishing technology, a number of novel technologies have emerged, such as layer-by-layer (LBL) deposition, the sol-gel process, and chemical grafting modification. In addition, some natural biomasses, including chitin, chitosan (CS), and several synthetic functional compounds that possess both flame-retardant and bacteriostatic properties, have also received extensive attention. Hence, this review focuses on introducing some commonly used finishing technologies and flame retardant/antibacterial agents. At the same time, the advantages and disadvantages of different methods and materials were summarized, which will contribute to future research and promote the development and progress of the industry.

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“…The antibacterial activity of CS-Ag NPs-PLA and DBD-CS-Ag NPs-PLA against E. coli and S. aureus was tested according to GB/T 20944.3-2008 (China) using the inhibition zone method [37]. The samples were cut into a circle with a diameter of about 15 mm, and wrap the round sample with a piece of paper for sterilization at 126 • C under 103 kPa pressure for 15 min.…”

Section: Antibacterial Activity Testmentioning

confidence: 99%

In Situ Reduction of Silver Nanoparticles on the Plasma-Induced Chitosan Grafted Polylactic Acid Nonwoven Fabrics for Improvement of Antibacterial Activity

et al. 2021

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An eco-friendly approach for improvement of antibacterial properties of polylactic acid (PLA) nonwoven fabrics was obtained by in situ reduction of silver nanoparticles (Ag NPs) on dielectric barrier discharge (DBD) plasma-induced chitosan grafted (DBD-CS-Ag NPs) PLA nonwoven fabrics. The surface morphology, surface element composition and the chemical state of silver of the PLA surfaces after the treatment were evaluated through scanning electron microscopy (SEM), energy dispersive X-ray (EDX), Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS) and X-ray diffraction (XRD), respectively. The antibacterial activity of DBD-CS-Ag NPs treated PLA against Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) was tested. The uniform dispersion of silver nanoparticles on the DBD-CS-Ag NPs treated PLA surface were confirmed by SEM images. The results of XPS and XRD showed that the concentration of silver element on the surface of PLA nonwoven fabrics was significantly improved after DBD-CS-Ag NPs treatment. The DBD-CS-Ag NPs treated PLA nonwoven fabrics also exhibited excellent antibacterial properties.

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A Novel Cyclic Polysiloxane Linked by Guanidyl Groups Used as Flame Retardant and Antimicrobial Agent on Cotton Fabrics

Cited by 15 publications

References 37 publications

Flame-Retardant and Sustainable Silk Ionotronic Skin for Fire Alarm Systems

Flame-Retardant and Sustainable Silk Ionotronic Skin for Fire Alarm Systems

Multifunctional Textiles with Flame Retardant and Antibacterial Properties: A Review

In Situ Reduction of Silver Nanoparticles on the Plasma-Induced Chitosan Grafted Polylactic Acid Nonwoven Fabrics for Improvement of Antibacterial Activity

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