Durable flame retardant cellulosic fibers modified with novel, facile and efficient phytic acid-based finishing agent

Liu, Xiaohui; Zhang, Qiuyan; Cheng, Bowen; Ren, Yuanlin; Zhang, Yanguang; Chen, Ding

doi:10.1007/s10570-017-1550-0

Cited by 121 publications

(39 citation statements)

References 41 publications

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“…But they will release formaldehyde and corrosive hydrogen halide gas if for long‐term use, which unable to meet the requirements of modern environmental safety, so that restrict their application. Now, phosphorous ammonium salt flame retardants are used to treat cotton fabrics by zhang et al and liu et al . The cotton fabrics, treated with a flame retardant of ammonium salt of teraethyiene pentamine heptamethylphosphonate, if the weight gain is 18% ‐ 26%, the Limiting oxygen index (LOI) reached 28.2% ‐ 31.8% after 50 laundering cycles (LCs).…”

Section: Introductionmentioning

confidence: 99%

A Phosphorous‐Aluminium‐Nitride Synergistic Flame Retardant to Enhance Durability and Flame Retardancy of Cotton

et al. 2019

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In this paper, a Phosphorous ‐ Aluminium ‐ Nitride synergistic flame retardant (PAN) was synthesized by phosphoric acid, glycerol, aluminium sulfate and urea, though a one‐pot process. The PAN was durably grafted onto the surface of cotton fabric by the simple process of soak‐dry‐cure. At the same time, the synergistic effect of the aluminium element and Phosphorous ‐ Nitrogen flame retardants (PN) was investigated. The flame‐retardant effect is the best when the conttent of alumium is 2.5 mol% (percentage of phosphoricacid) in PAN. The analyses of FTIR and XPS results suggested that PAN was grafted onto the cotton by forming a strong P−O‐C covalent bond on the surface of fiber. The SEM and Whiteness test proved that the flame‐retardant finishing cotton fabric do possess good morphology and whiteness. The thermal stability and flame retardancy of the PAN treated cotton fabric were assessed by TG and vertical flammability test. Then, found the aluminium sulfate in PAN had synergistic effect, and the PAN had significant flame retardancy in application.

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Section: Introductionmentioning

confidence: 99%

A Phosphorous‐Aluminium‐Nitride Synergistic Flame Retardant to Enhance Durability and Flame Retardancy of Cotton

et al. 2019

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“…In addition, the other category of phosphorus-nitrogen flame retardants containing -P=O(O -NH 4 ? ) group has also been frequently researched (Liu et al 2018;Zheng et al 2016). This kind of flame retardants contain P/N flame retardant elements and reactive groups, which are easy to connect with cotton cellulose molecules in the form of P-O-C chemical bonds to achieve chemical bonding.…”

Section: Introductionmentioning

confidence: 99%

A novel P/N-based flame retardant synthesized by one-step method toward cotton materials and its flame-retardant mechanism

Sun

Xie

et al. 2021

Cellulose

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A novel flame retardant containing phosphorus and nitrogen elements, ammonium salt of N,Ndimethylene p-benzenesulfonic phosphonic acid (ADBSPA), was prepared by one-step continuous chemical method. The chemical structure of the ADBSPA was determined by nuclear magnetic resonance spectrum (NMR) and Fourier transform infrared (FTIR), and ADBSPA was processed onto cotton materials by immersion method. The flame retardancy of coated cotton materials was analyzed by limiting oxygen index (LOI) and Vertical burning test. The LOI value of cotton coated with 350 g/L ADBSPA increased from the original 18.2 ± 0.2% to 31.7 ± 0.2%, and the damaged length of this sample reduced to 6.6 ± 0.1 cm, which proved that ADBSPA enhanced the anti-burning ability of cotton materials. Cone calorimetry was used to evaluate the combustion behavior of cotton materials before and after coating. Compared with original sample, ADBSPA changed the combustion path of cotton materials, and the intuitive performance was that the ADBSPA-cotton-4 reserved 25.1 ± 0.5% of char residue at 250 s, and its peak heat release rate (PHRR) greatly reduced to 17 ± 1 kW/m 2 . The surface morphology of uncoated and coated cotton materials was characterized by scanning electron microscopy (SEM). It was observed that the coated sample still maintained a complete fiber skeleton after burning. In addition, thermogravimetric (TG) analysis confirmed that the coated cotton materials had good thermo-oxidative and thermal stability. All results pointed out that the phosphorus and nitrogen elements contained in ADBSPA as well as cotton cellulose constituted the three basic conditions of intumescent flame-retardant system. The polyphosphoric acid compounds formed by phosphorus element at high temperature promoted the dehydration of cotton fibers into char layer. The non-flammable gases produced by the nitrogen element in the combustion process covered the surface of fabrics, thereby playing the role of shielding heat and diluting combustible gases.

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“…Lyocell fibers possess a number of features, such as the advantages of both natural and synthetic fibers, as well as the comfort of cotton, the drape and bright color of viscose, the soft handle and elegant gloss of silk. Therefore, the lyocell fibers are extensively applied in the textile field [7,8]. Lyocell fibers, however, are a rich source of hydrocarbons, therefore, they are flammable and prone to cracking at high temperature, causing serious fire hazards and incalculable losses, which greatly limits their wide application [9][10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Synthesis of Novel Arginine-Based Flame Retardant and Its Application in Lyocell Fabric

et al. 2021

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Lyocell fabrics are widely applied in textiles, however, its high flammability increases the risk of fire. Therefore, to resolve the issue, a novel biomass-based flame retardant with phosphorus and nitrogen elements was designed and synthesized by the reaction of arginine with phosphoric acid and urea. It was then grafted onto the lyocell fabric by a dip-dry-cure technique to prepare durable flame-retardant lyocell fabric (FR-lyocell). X-ray photoelectron spectroscopy (XPS) and Fourier-transform infrared spectroscopy (FTIR) analysis demonstrated that the flame retardant was successfully introduced into the lyocell sample. Thermogravimetric (TG) and Raman analyses confirmed that the modified lyocell fabric featured excellent thermal stability and significantly increased char residue. Vertical combustion results indicated that FR-lyocell before and after washing formed a complete and dense char layer. Thermogravimetric Fourier-transform infrared (TG-FTIR) analysis suggested that incombustible substances (such as H2O and CO2) were produced and played a significant fire retarding role in the gas phase. The cone calorimeter test corroborated that the peak of heat release rate (PHRR) and total heat release (THR) declined by 89.4% and 56.4%, respectively. These results indicated that the flame retardancy of the lyocell fabric was observably ameliorated.

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Durable flame retardant cellulosic fibers modified with novel, facile and efficient phytic acid-based finishing agent

Cited by 121 publications

References 41 publications

A Phosphorous‐Aluminium‐Nitride Synergistic Flame Retardant to Enhance Durability and Flame Retardancy of Cotton

A Phosphorous‐Aluminium‐Nitride Synergistic Flame Retardant to Enhance Durability and Flame Retardancy of Cotton

A novel P/N-based flame retardant synthesized by one-step method toward cotton materials and its flame-retardant mechanism

Synthesis of Novel Arginine-Based Flame Retardant and Its Application in Lyocell Fabric

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