A phosphorous/nitrogen-containing flame retardant with UV-curing for polyester/cotton fabrics

Yang, Xianwen; Liu, Xiaohui; Yang, Xuan; Zhang, Qiuyan; Zheng, Yunbo; Ren, Yuanlin; Cheng, Bowen

doi:10.1007/s10570-021-04346-z

Cited by 26 publications

(8 citation statements)

References 62 publications

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“…In order to clarify the pyrolysis mechanism of the PI/wool blended woven fabrics, TG‐MS technology was used, and the non‐flammable gas products released during the thermal degradation both in air and argon conditions were carefully recorded at the temperature range from 30 to 1000°C, as shown in Figures 5 and 6. The detected ion signals at m/z = 17, 18, 30, 44, 46 and 64 can be assigned to NH 3 , H 2 O, NO, CO 2 , NO 2 , and SO 2 , respectively 27–30 …”

Section: Resultsmentioning

confidence: 99%

Polyimide/wool blended woven fabrics for comfortable fire protective clothing

Chen

Qin

et al. 2023

J of Applied Polymer Sci

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In this work, to develop practical fire-protective clothing with both good flame retardancy and comfort properties, polyimide (PI)/wool blended woven fabrics were carefully made by mixing PI and wool fibers with different mass ratios (100/0, 80/20, 50/50, and 0/100) in the carding process. Thermogravimetric analysis in both air and argon conditions indicated that wool fibers had much lower thermal stability than PI. With more PI fibers added, better thermal stability can be observed. When the mixing ratio of PI/wool was 80/20, the LOI value had a rapid increase from 23% to 31%. Meanwhile, under this ratio, the peak value of the heat release rate surprisingly reduced to a much lower degree (from 425 to 306 W/g), indicating the heat generated is dispersed along the whole burning process. Through comprehensive analysis, it is deduced that the thin molten layer of wool and PI fibers formed a confined space for the heat and volatiles, leading to lower heat release rate and higher non-flammable gas release of the 80/20 PI/wool sample. Finally, the moisture permeability and fabric style tests demonstrated better comfort properties of the PI/wool blended fabrics.

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Section: Resultsmentioning

confidence: 99%

Polyimide/wool blended woven fabrics for comfortable fire protective clothing

Chen

Qin

et al. 2023

J of Applied Polymer Sci

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“…The third stage is from 500 to 600 °C, corresponding to the further degradation of cotton fiber and polyester fiber, the conversion of aliphatic carbon into aromatic products to produce carbon dioxide and other gases, and the thermal oxidation of small molecular polyester segments to benzoic acid, carbon dioxide, and polycyclic aromatic hydrocarbons. 15 The coated PC fabric has a similar thermal degradation process, except that the initial decomposition temperature was earlier than the untreated PC fabric.…”

Section: Xps Analysismentioning

confidence: 99%

“…Mayer-Gall et al 14 first used watersoluble cyclophosphoronitrile derivatives for flame retardant durable finishing of PC via UV grafting reaction. Yang et al 15 T h i s c o n t e n t i s synthesized a new monomer (ethoxy piperazine (phenyl) phosphoryl ethyl methacrylate) containing multiple unsaturated double bonds. The PC fabric with good flame retardancy and anti-washing property was prepared by forming a dense cross-linking network structure on the surface of the fabric by UV curing.…”

Section: Introductionmentioning

confidence: 99%

Application of Silver-Loaded Halloysite Nanotubes in Flame Retardant and Smoke-Suppressive Coating for Polyester-Cotton Fabric

Qi,

Cai,

Zhang

et al. 2023

ACS Appl. Mater. Interfaces

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Despite the wide applications in clothing, furniture, and transportation, the well-known “scaffolding effect” in polyester-cotton fabric has caused significant fire hazards compared to sole polyester or cotton fabrics. Therefore, it is of practical significance to endow polyester-cotton fabric with excellent fire safety. In this work, an organic–inorganic composite coating comprising nitrogen–phosphorus–silicon-containing flame retardant and silver nanoparticle-loaded halloysite nanotubes (Ag@HNTs) was designed and prepared to improve the fire safety of polyester-cotton fabrics. Microscale combustion colorimeter results indicated that the peak heat release rate of the modified polyester-cotton fabric with such a composite coating was reduced by 47%. Meanwhile, it could self-extinguish in 9 s after being ignited, and the limiting oxygen index was up to 25%, indicating excellent fire safety. In addition, the total smoke release of the coated polyester-cotton fabric was reduced by 21%, illustrating that the coating of Ag@HNTs could eliminate the smoke generated. The treated fabric also exhibited superior water resistance. Flame retardant mechanisms were well investigated using thermogravimetric analysis–infrared spectrometry analysis and chemiluminescence by studying the gaseous degradation products and hydroxyl radical in the gas phase. This work provides an effective approach to fabricating high-performance flame retardant and smoke-suppressive coatings for textiles.

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“…Several ‘greener’ alternatives to PBDEs have emerged, including different (non-PBDE) brominated compounds, organophosphates [ 72 , 73 ], dechlorane compounds, and aluminium hydroxides [ 74 ]. The potential toxicity of the substitute fire retardants is being investigated [ 75 ].…”

Section: Introductionmentioning

confidence: 99%

Effects of UV radiation on natural and synthetic materials

Andrady

Heikkilä

Pandey³

et al. 2023

Photochem Photobiol Sci

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The deleterious effects of solar ultraviolet (UV) radiation on construction materials, especially wood and plastics, and the consequent impacts on their useful lifetimes, are well documented in scientific literature. Any future increase in solar UV radiation and ambient temperature due to climate change will therefore shorten service lifetimes of materials, which will require higher levels of stabilisation or other interventions to maintain their lifetimes at the present levels. The implementation of the Montreal Protocol and its amendments on substances that deplete the ozone layer, controls the solar UV-B radiation received on Earth. This current quadrennial assessment provides a comprehensive update on the deleterious effects of solar UV radiation on the durability of natural and synthetic materials, as well as recent innovations in better stabilising of materials against solar UV radiation-induced damage. Pertinent emerging technologies for wood and plastics used in construction, composite materials used in construction, textile fibres, comfort fabric, and photovoltaic materials, are addressed in detail. Also addressed are the trends in technology designed to increase sustainability via replacing toxic, unsustainable, legacy additives with ‘greener’ benign substitutes that may indirectly affect the UV stability of the redesigned materials. An emerging class of efficient photostabilisers are the nanoscale particles that include oxide fillers and nanocarbons used in high-performance composites, which provide good UV stability to materials. They also allow the design of UV-shielding fabric materials with impressive UV protection factors. An emerging environmental issue related to the photodegradation of plastics is the generation of ubiquitous micro-scale particles from plastic litter exposed to solar UV radiation. Graphical abstract

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A phosphorous/nitrogen-containing flame retardant with UV-curing for polyester/cotton fabrics

Cited by 26 publications

References 62 publications

Polyimide/wool blended woven fabrics for comfortable fire protective clothing

Polyimide/wool blended woven fabrics for comfortable fire protective clothing

Application of Silver-Loaded Halloysite Nanotubes in Flame Retardant and Smoke-Suppressive Coating for Polyester-Cotton Fabric

Effects of UV radiation on natural and synthetic materials

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