Co-microencapsulation of biomass-based char source and melamine polyphosphate and investigation for their synergistic action in flame-retarding polypropylene

Zheng, Zaihang; Liao, Chenchen; Xia, Yurou; Liu, Yuhang; Dai, Boya; Li, Anbo

doi:10.1016/j.polymertesting.2020.106741

Cited by 11 publications

(4 citation statements)

References 31 publications

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“…Pure PP had no char residue left after burning (see Figure 1); hence, no SEM images of PP were recorded. As displayed in Figure 4a, broken holes, flaws and many voids could be observed on the surface of the char for the PP/PN-DOPO sample [5,43]. By comparison, after adding OMMT into the PP/PN-DOPO blends, the charred layers of composites showed more continuous and compact structural layers without cracks, which would act as a heat insulation barrier.…”

Section: Morphology Of the Char Residuementioning

confidence: 96%

“…Compared with the PP/PN-DOPO sample, the T 5% and T max increased by 10.5 • C and 9.0 • C, respectively, and the residues increased to 2.2 wt%. The reason for the increment in thermal stability and char residue can be attributed to a synergistic effect on the formation of protective barrier layers or the thermal interaction between the flame retardants and the polymer matrix [31,43].…”

Section: Thermal Stabilitymentioning

confidence: 99%

“…protective barrier layers or the thermal interaction between the flame retardants and the polymer matrix [31,43].…”

Section: Morphology Of the Char Residuementioning

confidence: 99%

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Synergistic Effects of DOPO-Based Derivative and Organo-Montmorillonite on Flame Retardancy, Thermal Stability and Mechanical Properties of Polypropylene

Huang

Wang

et al. 2022

Polymers

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Polypropylene (PP), as a general thermoplastic polymer, is broadly used in different fields. However, the high flammability, melt dripping and poor mechanical properties of PP are a constraint to the expansion of its applications. In this paper, PP composites containing a combination of a phenethyl-bridged DOPO derivative (PN-DOPO) and organic montmorillonite (OMMT) were prepared via melt blending. The synergistic effects of PN-DOPO and OMMT on the flame retardancy, thermal stability and mechanical properties of PP composites were investigated systematically. The results showed that 20 wt% addition of PN-DOPO with OMMT improved the flame retardancy of PP composites. In particular, the introduction of 17 wt% PN-DOPO and 3 wt% OMMT increased the LOI values of the PP matrix from 17.2% to 23.6%, and the sample reached the V-0 level and reduced the heat release rate and total heat release. TGA indicated that OMMT could improve the thermal stability of the PP/PN-DOPO blends and promote the char residues of PP systems. Rheological behaviour showed a higher storage modulus, loss modulus and complex viscosity of PP/PN-DOPO/OMMT composites, suggesting a more effective network structure. In addition, the tensile strength, flexural properties and impact strength of the PP/PN-DOPO/OMMT composites actually increased for a good dispersion effect. Combined with the char layer analysis, the introduction of OMMT promoted more continuous and compact structural layers containing an aluminium–silicon barrier and phosphorus-containing carbonaceous char in the condensed phase. OMMT can improve the flame retardancy, thermal stability and mechanical properties of PP, and, thus, PN-DOPO/OMMT blends can serve as an efficient synergistic system for flame-retarded PP composites.

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Section: Morphology Of the Char Residuementioning

confidence: 96%

Section: Thermal Stabilitymentioning

confidence: 99%

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Synergistic Effects of DOPO-Based Derivative and Organo-Montmorillonite on Flame Retardancy, Thermal Stability and Mechanical Properties of Polypropylene

Huang

Wang

et al. 2022

Polymers

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“…A list of other cellulose-based flame-retardant composite aerogels, their fabrication method, and flame-retardant evaluation results are presented in Table 5. Starch is also an interesting material for preparing aerogels because it is biobased and biodegradable [64,65]. Additionally, it is widely used owing to its excellent mechanical properties, low density, environmental friendliness, biodegradability, and is abundantly available from bioresources [53].…”

Section: Technological Advancements In Sustainable Fire-resistant Pol...mentioning

confidence: 99%

Scientometric Review of Sustainable Fire-Resistant Polysaccharide-Based Composite Aerogels

2023

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Fire safety is a critical concern in various industries necessitating the development of sustainable and effective fire-resistant materials. Sustainable fire-resistant polysaccharide-based composite aerogels are regarded as an innovative solution in fire safety applications, and as such, research in this field has increased consistently over the past few years. Despite the plethora of literature on this important subject, only a few studies have attempted to map the global research of sustainable fire-resistant polysaccharide-based composite aerogels to identify the geospatial collaborative network and trend of research. This study utilizes a scientometric review of global trends in sustainable fire-resistant polysaccharide-based composite aerogels research between 2003 and 2023 using VOSviewer and biblioshiny to analyze co-author, co-word, co-citation, clusters, and geospatial maps. A total of 234 bibliographic records from the Scopus database were analyzed to generate the study’s research power networks and geospatial map. The most significant contributions in sustainable fire-resistant polysaccharide-based composite aerogels come from China, the United States, Australia, Canada, and India with records of 194, 20, 11, 9, and 8, respectively. The top five sources for articles in this area of research include ACS Applied Materials and Interfaces, Chemical Engineering Journal, Composite Engineering, ACS Sustainable Chemistry and Engineering, and Carbohydrate Polymers. The application of sustainable fire-resistant polysaccharide-based composite aerogels spans the engineering and construction fields. The versatility in the fabrication and customization allows for seamless integration into diverse applications. The article concludes by emphasizing the significance of sustainable fire-resistant polysaccharide-based composite aerogels as a promising advancement in fire safety technology, combining sustainability, fire resistance, versatility, and mechanical strength to address critical challenges in the field. This review provides important insight into the research challenges, trends, and patterns of sustainable fire-resistant polysaccharide-based composite aerogel research worldwide.

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Preparation and flame retardance of polyethylene composites with microencapsulated resorcinol bis(diphenyl phosphate), red phosphorus and magnesium hydroxide

Choe¹,

Jang²,

Jo³

et al. 2022

Polym. Bull.

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Co-microencapsulation of biomass-based char source and melamine polyphosphate and investigation for their synergistic action in flame-retarding polypropylene

Cited by 11 publications

References 31 publications

Synergistic Effects of DOPO-Based Derivative and Organo-Montmorillonite on Flame Retardancy, Thermal Stability and Mechanical Properties of Polypropylene

Synergistic Effects of DOPO-Based Derivative and Organo-Montmorillonite on Flame Retardancy, Thermal Stability and Mechanical Properties of Polypropylene

Scientometric Review of Sustainable Fire-Resistant Polysaccharide-Based Composite Aerogels

Preparation and flame retardance of polyethylene composites with microencapsulated resorcinol bis(diphenyl phosphate), red phosphorus and magnesium hydroxide

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