Enhancing flame retardancy and promoting initial combustion carbonization via incorporating electrostatically surface-functionalized carbon nanotube synergist into intumescent flame-retardant poly(butylene succinate)

Yue, Junfeng; Liu, Changhua; Zhou, Chuan; Fu, Xuejiao; Luo, Liehong; Gan, Lin; Yang, Xiaobing; Huang, Jin

doi:10.1016/j.polymer.2020.122197

Cited by 23 publications

(14 citation statements)

References 37 publications

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“…As shown in Figure 3c, the peaks of B, N, O, and P elements could be discovered in XPS results of BN@APP, the specific element content is shown in Table S3. The presence of P 2p peak at 134.6, 134.8, 134.5, and 134.2 eV for BN@APP (the weight ratio was 1:15, 1:25, 1:35, and 1:45), which confirmed the edge functionalization of the phosphate group 21 (Figure S4). According to the strength of fitting peak and the content of p element, the best ball milling ratio can be determined.…”

Section: Resultsmentioning

confidence: 53%

“…The presence (d, d 1 ), and 1:45 (e, e 1 ). SEM, scanning electron microscopy; TEM, transmission electron microscope of P 2p peak at 134.6, 134.8, 134.5, and 134.2 eV for BN@APP (the weight ratio was 1:15, 1:25, 1:35, and 1:45), which confirmed the edge functionalization of the phosphate group 21 (Figure S4). According to the strength of fitting peak and the content of p element, the best ball milling ratio can be determined.…”

Section: Characterizations Of Bn@appmentioning

confidence: 66%

“…Most of these intumescent formulations are phosphorus and nitrogen-based organic flame-retardants. [15][16][17][18] These include ammonium polyphosphate (APP), 19,20 melamine, 21,22 and melamine phosphate. 23,24 Chen et al 25 compared APP and microencapsulated APP (MCPP) as flame-retardants in PLA/ramie bio-composites.…”

Section: Introductionmentioning

confidence: 99%

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Highly flame‐retardant and low toxic polybutylene succinate composites with functionalized BN@APP exfoliated by ball milling

Jiang

Zhu

et al. 2022

J of Applied Polymer Sci

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This article describes the preparation of nitrogen‐phosphorus‐doped boron nitride (BN@APP) as a multifunctional nanofiller for flame‐retardant and thermal conductivity in polybutylene succinate (PBS). The BN@APP was obtained by a one‐step ball milling method. The improvement of thermal conductivity effectively reduces the generation of toxic smoke during PBS combustion. After incorporating 1.0 wt% BN@APP into the PBS, the thermal conductivity of the PBS composite is increased by 62.8%. The heat and toxic smoke are reduced significantly, the heat release rate, total heat release, and total smoke rate of PBS composites were dramatically reduced by 28.2%, 23.5%, and 44.8%, respectively, compared to pure PBS. This research offers a prospective route to prepare highly flame‐retardant composites that have low‐toxicity and smoke.

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Section: Resultsmentioning

confidence: 53%

Section: Characterizations Of Bn@appmentioning

confidence: 66%

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Highly flame‐retardant and low toxic polybutylene succinate composites with functionalized BN@APP exfoliated by ball milling

Jiang

Zhu

et al. 2022

J of Applied Polymer Sci

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“…The reduction in thermal stability of 75P/25I may be attributed to the degradation of IFR. As reported, IFR can catalyze the decomposition of PBS, resulting in a significant reduction of thermal stability in the initial decomposition stage 11. It seems that both the incorporation of lignin or LM further lowered the T 5wt% and T max of composites, indicating that the catalytic effect of IFR was strengthened by the addition of these synergists .…”

mentioning

confidence: 53%

Using colloidal lignin intercalated montmorillonite nanosheets as synergistic and reinforced agent for flame‐retardant poly(butylene succinate) composites

Yue

2021

Polymers for Advanced Techs

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Lignin/montmorillonite (LM) nanocomposites were fabricated via intercalating lignin colloid particles into the layer space of montmorillonite (MMT), and used as a synergistic agent to prepare flame-retardant poly(butylene succinate) (PBS) composites with the incorporation of intumescent flame retardants (IFR). Using lignin colloidal nanoparticles with the particle size ranged from several to about 100 nm formed under alkali condition, the layer spacing of MMT could be exfoliated and expanded to a considerable extent. The obtained LM nanocomposites could disperse with a uniform status in PBS matrix by melt compounding. Thus, strengthened mechanical performance of composites could be achieved via replacing partial loading of IFR by LM. Besides, due to the synergetic effect between IFR and LM, the flame-retardant properties of composites were enhanced when they were combined with an appropriate ratio. Typically, when IFR and LM loadings were 22 and 3 wt%, respectively, the tensile strength of 75P/22I/3LM increased by 24.73% in comparison with that of composite only prepared by IFR(75P/25I). Simultaneously, 36.5% of limited oxygen index (LOI) value and UL-94 V0 rate for 75P/22I/3LM could also be achieved. TG-IR analysis indicated that the addition of lignin increased the amount of inert gas generated. A carbonaceous silicate layer could be formed by MMT and lignin under the catalytic effect of APP, resulting in the increase of char residue after combustion.Cone calorimeter analysis demonstrated that the peak of heat release rate (pHRR), total heat release (THR) and total smoke production (TSP) of 75P/22I/3LM decreased by 57.4%, 28.7% and 33.8% compared with pure PBS, respectively.

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“…Aminated MWCNT APP [158] MWCNT DOPO and VTES [155] MWCNT APP [159] MWCNT PA [152] MWCNT APTES [160] Aminated MWCNT DPP-Cl [161] MWCNT IP [156] MWCNT DOPO [162] Note: APP-ammonium polyphosphate; DOPO-9, 10-dihydro-9-oxaphosphaphathrene-10-oxide; VTES-vinyltriethoxysilane; PA-phosphoric acid; APTES-aminopropyltriethoxysilane; DPP-Cl-diphenylphosphinic chloride; IP-tri (1-hydroxyethyl-3-methylimidazolium chloride phosphate).…”

Section: Modifying Agent Referencementioning

confidence: 99%

A review on the processing–morphology–property relationship in biodegradable polymer composites containing carbon nanotubes and nanofibers

Motloung

Mofokeng

Ojijo

et al. 2021

Polymer Engineering & Sci

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Carbon nanofillers containing biodegradable polymer composites have become an emerging frontier in materials science and engineering because of their potential as environmentally friendly materials in multiple applications, from load-bearing to advanced packaging to biomedical applications. Herein, we present the effect of processing parameters on the final morphology and the resulting properties of the biodegradable polymer composites containing carbon nanotubes (CNTs) or carbon nanofibers (CNFs). Various strategies can be employed to develop such composites; however, the type of morphology, which results during processing, significantly affects the final properties of the obtained composites. Therefore, various processing strategies such as meltblending, additive manufacturing, and electrospinning are critically reviewed, together with the potential applications in load-bearing, tissue engineering, electromagnetic shielding, gas sensing, and packaging. Finally, we discuss the existing challenges and future directions in designing CNTs/CNFs containing biodegradable polymer composites with desired properties.

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Enhancing flame retardancy and promoting initial combustion carbonization via incorporating electrostatically surface-functionalized carbon nanotube synergist into intumescent flame-retardant poly(butylene succinate)

Cited by 23 publications

References 37 publications

Highly flame‐retardant and low toxic polybutylene succinate composites with functionalized BN@APP exfoliated by ball milling

Highly flame‐retardant and low toxic polybutylene succinate composites with functionalized BN@APP exfoliated by ball milling

Using colloidal lignin intercalated montmorillonite nanosheets as synergistic and reinforced agent for flame‐retardant poly(butylene succinate) composites

A review on the processing–morphology–property relationship in biodegradable polymer composites containing carbon nanotubes and nanofibers

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