One-pot synthesis of a novel s-triazine-based hyperbranched charring foaming agent and its enhancement on flame retardancy and water resistance of polypropylene

Wen, Panyue; Wang, Xiaofeng; Wang, Bibo; Yuan, Bin; Zhou, Keqing; Song, Lei; Hu, Yuan; Yuen, Richard K.K.

doi:10.1016/j.polymdegradstab.2014.08.019

Cited by 68 publications

(31 citation statements)

References 33 publications

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“…Our previous study has proved that IFR of the HCFA/APP system has the most effective flame retardancy for PP when the ratio of HCFA to APP is 1:3 . As shown in Table , when the loading of HCFA/APP 1:3 is 20 wt% (PP8), the LOI value is only 25% and the UL 94 V0 level is not achieved until the loading of HCFA/APP 1:3 is increased to 25 wt% (PP9).…”

Section: Resultsmentioning

confidence: 94%

“…Other chemicals were obtained from China National Pharmaceutical Group (China). HCFA was prepared according to our previous work …”

Section: Methodsmentioning

confidence: 99%

“…Triazine derivatives are characterized by stable triazine ring and can form char layer easily during burning. It is worthy to mention that a great deal of triazine‐based polymers with hyperbranched or linear macromolecular structure have been published . These trizaine‐based polymers are efficient as charring‐foaming agent in IFR system for PP.…”

Section: Introductionmentioning

confidence: 99%

“…Traditional IFR usually has some fatal disadvantages: It is worthy to mention that a great deal of triazine-based polymers with hyperbranched or linear macromolecular structure have been published. 7,[9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27] These trizaine-based polymers are efficient as charring-foaming agent in IFR system for PP. Li and Xu 9 combined a novel triazine-based charring-foaming agent with APP to improve flame retardancy of PP resin.…”

Section: Introductionmentioning

confidence: 99%

“…In our previous study, a hyperbranched charring-foaming agent (HCFA) was prepared, and it showed high charring-foaming efficiency. 11 The main work of this paper is to synthesize a novel hyperbranched and triazine-based charring-foaming agent, named as HPCFA, which was chemically incorporated with phosphorus-containing unit. Chemical structure of HPCFA was characterized by Fourier transform infrared (FTIR) spectra and elemental analysis.…”

Section: Introductionmentioning

confidence: 99%

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Synthesis of a novel hyperbranched and phosphorus‐containing charring‐foaming agent and its application in polypropylene

Zhu

Cui

et al. 2018

Polymers for Advanced Techs

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In this work, a novel hyperbranched and phosphorus‐containing triazine derivative (HPCFA) is synthesized. HPCFA is used as charring‐foaming agent and combined with ammonium polyphosphate (APP) as intumescent flame retardant to flame retard polypropylene (PP). PP/HPCFA/APP composite can achieve limited oxygen index value of 31% and pass UL 94V‐0 rating by addition of 20 wt% HPCFA/APP (1/2, w/w). Besides, HPCFA is compared with another hyperbranched charring‐foaming agent (HCFA). HPCFA and HCFA have similar chemical structure, and their only difference is that HPCFA has phosphorus‐containing unit in the main chain compared with HCFA. HPCFA/APP system exhibits superior flame retardancy compared with HCFA/APP system. Char residue analysis demonstrates that HPCFA/APP system can form denser and more compact char layer in comparison with that of HCFA/APP system.

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Section: Resultsmentioning

confidence: 94%

“…Other chemicals were obtained from China National Pharmaceutical Group (China). HCFA was prepared according to our previous work …”

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Synthesis of a novel hyperbranched and phosphorus‐containing charring‐foaming agent and its application in polypropylene

Zhu

Cui

et al. 2018

Polymers for Advanced Techs

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A Large‐Area, Flexible, and Flame‐Retardant Graphene Paper

Dong

Song

et al. 2016

Adv Funct Materials

151

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Similar to the paper-making process, the effi cient fl ame retardant graphene paper is conveniently obtained by using graphene oxide (GO) and hexachlorocyclotriphosphazene (HCCP) aqueous pulp. The "paper pulp" can also conceivably be used as ink to make other hydrophilic fi lms become fl ame retardant paper. Further, the as-prepared reduced GO-HCCP paper (RGO-HCCP paper), compared with GO-HCCP paper, can maintain its intact structure for a longer time in an ethanol fl ame. As a consequence of these preparation methods, the bearing temperature of the as-prepared graphene papers shows a signifi cant increase.

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Enhancement of char‐forming and water resistance on ABS modified by poly(4‐nitrophenoxy)‐phosphazene

Yang

Kong

Luo

et al. 2017

J of Applied Polymer Sci

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Poly(4‐nitrophenoxy)‐phosphazene (DPP) was used as charring and water resistance agent in Acrylonitrile–butadiene–styrene (ABS) composites. The char‐forming capability of DPP and combustion behavior of DPP‐based ABS (ABS‐DPP) were studied by thermogravimetric analysis (TGA) and cone calorimeter, respectively. TGA‐coupled Fourier transform infrared (TGA/FTIR) was used to research the releasing intensity of gaseous products during decomposition. Moreover, the char formation morphology of ABS, DPP, and ABS‐DPP were observed by scanning electron microscopy analysis. The water resistance of DPP was measured by the boiled water tests, the FTIR and static water contact angle analysis. The flame properties of samples and the samples treated by boiled water were studied by LOI and UL‐94, and the tensile properties of ABS‐DPP samples were assessed by tensile testing at high temperature. The results showed that the residues yield of ABS‐DPP samples increased from 0 to more than 20% under nitrogen and from 0.7 to 3.9% under air compared with pure ABS. The combustibility of ABS was decreased by DPP; however, the water resistance of ABS was not affected. At high temperature, tensile strength of ABS‐DPP decreased and the elongation at break enhanced with the addition of DPP. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 45988.

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One-pot synthesis of a novel s-triazine-based hyperbranched charring foaming agent and its enhancement on flame retardancy and water resistance of polypropylene

Cited by 68 publications

References 33 publications

Synthesis of a novel hyperbranched and phosphorus‐containing charring‐foaming agent and its application in polypropylene

Synthesis of a novel hyperbranched and phosphorus‐containing charring‐foaming agent and its application in polypropylene

A Large‐Area, Flexible, and Flame‐Retardant Graphene Paper

Enhancement of char‐forming and water resistance on ABS modified by poly(4‐nitrophenoxy)‐phosphazene

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