Gas–condensed phase flame-retardant mechanisms of tris(3-nitrophenyl) phosphine/triphenyl phosphate/ABS

Luo, Hang; Zhou, Feng; Yang, Yunyun; Cao, Xilei; Cai, Xufu

doi:10.1007/s10973-017-6906-z

Cited by 20 publications

(12 citation statements)

References 24 publications

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“…However, one of the main drawbacks of ABS is its inherent flammability and dripping, which could limit its applications [1,2]. Environmental considerations have given way for the increased use of phosphorus-based flame retardants (PFR) as alternatives to the halogen-containing compounds [3], traditionally used as flame retardants for ABS [4][5][6][7], and in the past decades, high melt temperature and soluble PFR have been used [8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Flame retardancy effect of combined ammonium polyphosphate and aluminium diethyl phosphinate in acrylonitrile-butadiene-styrene

Realinho

Ibarra

Formosa

et al. 2018

Polymer Degradation and Stability

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Section: Introductionmentioning

confidence: 99%

Flame retardancy effect of combined ammonium polyphosphate and aluminium diethyl phosphinate in acrylonitrile-butadiene-styrene

Realinho

Ibarra

Formosa

et al. 2018

Polymer Degradation and Stability

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“…It was reported by Lazarevic et al that the peaks in the range of 3000–4000 cm −1 showed the peaks of MgOH, coordinate water and zeolitic water 23 . Along with this, some of the important peaks related to TPP are 1275 and 1027 cm −1 which represents P=O and PO, respectively 16 …”

Section: Resultsmentioning

confidence: 56%

“…By increasing the weight percentage of TPP, the mechanical properties could be modified and therefore sepiolite was added with TPP and the FR properties of the polymer were analyzed. It was also stated by Luo et al that, with the co addition of TPP with silicon, epoxy or hydroxyl group, the fire retardancy property of the polymer could be further enhanced 16 …”

Section: Resultsmentioning

confidence: 90%

“…This shows that the flame retarding property of the polymer was enhanced with the addition of TPP to the polymer. The fire retarding mechanism of TPP was discussed by Luo et al, which explained that the polyphosporic acid was initially produced when the polymer starts burning, and this compound esterifies and dehydrates the paralyzing polymer, there by inhibiting the polymer from further flaming 16,17 . But, the flame retarding property of the polymer was not improved to the V‐1 or V‐0 flame rating, by which the polymer could be approved for any electronic applications.…”

Section: Resultsmentioning

confidence: 99%

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The influence of hybrid flame retardant and impact modifier on recycled blends formulated from keyboard waste plastics: A study on its flame retardant, mechanical, thermal, and chemical properties

Jaidev

Biswal

Mohanty

et al. 2021

Polymers for Advanced Techs

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Recycled polymeric materials recovered from E-waste, have gained importance in the recent years, due to the value addition of properties in the recycled materials. In the current work, a polymeric blends formulated from keyboard waste plastics was value added using a flame retardant (FR), and these plastics are not incorporated with FR during its processing. This work was carried out to enhance the FR property of polymers recovered from keyboard waste, and to study the effects of these additives on the mechanical properties of the polymeric blends. The FR tri phenyl phosphate (TPP), and a hybrid FR combining TPP with sepiolite, was added in different proportions to the blend. The FR blends were analyzed with UL-94 and LOI and it was observed that the blends with hybrid FR showed higher FR properties, as the results of UL-94 and LOI showed V-1 and 29%, respectively. The cone calorimetry results showed that the peak heat release rate of the blends was improved from 704 to 533 KJ/m 2 . The gas and condensed phase reaction has been explained with an illustration. FTIR and TGA with and without the FR were performed. The mechanical properties of the blends drastically reduced after the addition of FRs, hence an impact modifier was added in order to regain the lost mechanical properties, and a morphological analysis was carried out to compare the influence of impact modifier in the polymeric blend.gas and condensed phase mechanism, E-waste recycling, hybrid flame retardants, sepiolite, tri phenyl phosphate | INTRODUCTIONFlame retardancy is an important property of polymers used in EEE applications. Most of the polymers used for the electrical and electronic equipments (EEE) applications are acrylonitrile butadiene styrene (ABS), high impact polystyrene (HIPS), polystyrene (PS), polycarbonate/acrylonitrile butadiene styrene (PC/ABS), polyamide (PA) and so on. The effective flame retardants (FR) used in engineering

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“…BNA 10 PET showed the same pyrolytic products as PET did upon continuous heating, which included major contents of RCHO (1761 cm −1 and 2736 cm −1 ), RCOOH (1761 cm −1 and 3587 cm −1 ), =C‐O‐C (1264 cm −1 ), C‐O‐C (1087 cm −1 and 1141 cm −1 ), CO (2105 cm −1 and 2180 cm −1 ) and CO 2 (664 cm −1 and 2363 cm −1 ) 35–39 . These indicated that the ‐NO 2 group in BNA did not decompose into the gas phase to perform the flame retardant mechanism of gas phase, this discovery was consistent with the results of studies where the ‐NO 2 group was also introduced to the vacancy of benzene ring structure in other flame retardant agent in the modification of polymers 28–30 . Therefore, BNA Schiff Base displayed the flame retardant mechanism of condense phase in BNA n PETs, and ‐NO 2 did not change the flame retardant mechanism of Schiff Base in its modified PET.…”

Section: Resultsmentioning

confidence: 71%

Improved processability and optimized preparing process for fire‐safe poly (ethylene terephthalate) by electron effect modified Schiff base

Zhang

Wang

Liu

et al. 2021

J of Applied Polymer Sci

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To get better processability and preparing process of Poly (ethylene terephthalate) polymer, ‐NO2 was used to modify Schiff Base to synthesize a novel flame retardant monomer of 5‐([3‐nitrobenzylidene] amino) isophthalic acid (BNA) to prepare flame retardant and anti‐dripping PET copolyester (BNAnPETs), where the electron effect of ‐NO2 passivate the cross‐linking reactivity of BNA in BNAnPETs to enhance its cross‐linking temperature to improve its processing zone with better processability. The results demonstrated that the cross‐linking temperature of BNAnPETs was improved from the range of (250–348°C) to (355–385°C), and BNA accelerated the reaction of the polycondensation of PET for saving time of 42%. ‐NO2 enhanced the residue char of BNAnPETs in high temperature and further improved its flame retardancy. BNA10PET with 7.2 mol% of BNA had LOI of 31.8% and V‐0 of UL‐94 without drip, and the introduction of –NO2 did not change the flame retardant mechanism in BNAnPETs.

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Gas–condensed phase flame-retardant mechanisms of tris(3-nitrophenyl) phosphine/triphenyl phosphate/ABS

Cited by 20 publications

References 24 publications

Flame retardancy effect of combined ammonium polyphosphate and aluminium diethyl phosphinate in acrylonitrile-butadiene-styrene

Flame retardancy effect of combined ammonium polyphosphate and aluminium diethyl phosphinate in acrylonitrile-butadiene-styrene

The influence of hybrid flame retardant and impact modifier on recycled blends formulated from keyboard waste plastics: A study on its flame retardant, mechanical, thermal, and chemical properties

Improved processability and optimized preparing process for fire‐safe poly (ethylene terephthalate) by electron effect modified Schiff base

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