Intrinsically noncombustible polymers without flame retardant additives: Sulfur-containing and bio-based benzoxazines

Lyu, Ya; Zhang, Yuting; Ishida, Hatsuo

doi:10.1016/j.eurpolymj.2020.109770

Cited by 48 publications

(37 citation statements)

References 47 publications

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“…23 Moreover, the activation energy (E a ) for the thermal degradation of the five polybenzoxazines was determined to further quantitatively evaluate their thermal stabilities. A series of TGA tests for each polybenzoxazine were performed at different heating rates (5,10,15,20, and 25 C/ min), as shown in Figures S16-S20. The degradation E a values were calculated on the basis of the well-known Flynn-Wall-Ozawa equation (Equation 2).…”

Section: Thermal Stability Of Polybenzoxazinesmentioning

confidence: 99%

The chemical effect of furfuryl amide on the enhanced performance of the diphenolic acid derived bio‐polybenzoxazine resin

Qian

Wang

et al. 2021

Journal of Polymer Science

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As a renewable chemical, diphenolic acid (DPA) has attracted immense interest in bio-based polymer science. However, its application for polybenzoxazines is limited due to decarboxylation, that is, the release of CO 2 during the curing reaction of benzoxazine. In this study, the amidation strategy of converting DPA to diphenolic amides (DPAM) was demonstrated to solve this problem while simultaneously improving the thermal properties of polybenzoxazine. DPA was amidated by separately using four amines (hexamine, cyclohexylamine, furfurylamine, and aniline), then reacted with furfurylamine and paraformaldehyde to synthesize their benzoxazine monomers. By using TGA and DMA, all amide-containing polybenzoxazines were found to exhibit excellent thermal stabilities. Among all of the benzoxazine resins, poly(DFA-fa), which was obtained from amidation with furfurylamine, exhibited the highest glass transition temperature (T g ) of 310 C and a decomposition temperature (T d10 ) of 406 C. Furthermore, a possible post-curing reaction mechanism was proposed to explain the outstanding thermal performance of poly(DFA-fa) resin. This study proposes an innovative strategy to solve the decarboxylation of DPA-based polymers, which is of significance for high-performance bio-based polymers.

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Section: Thermal Stability Of Polybenzoxazinesmentioning

confidence: 99%

The chemical effect of furfuryl amide on the enhanced performance of the diphenolic acid derived bio‐polybenzoxazine resin

Qian

Wang

et al. 2021

Journal of Polymer Science

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“…Thermal stability. Generally, if the thermal stability of the used phenols is better than that of bisphenol A [72], or if the structure can provide additional cross-linking sites during the curing process and increase the cross-linking density of the system [73], the thermal stability of the whole system can be improved accordingly. Lyu used 4, 4'-thiobisphenol as a phenol resource to synthesize three benzoxazine monomers (Fig.…”

Section: Benzoxazine Thermosets Derived From Bio-based Aminesmentioning

confidence: 99%

“…Lyu used 4, 4'-thiobisphenol as a phenol resource to synthesize three benzoxazine monomers (Fig. 14) [72]. The significant improvement for the thermal stability of poly(TBP-a) and poly(TBP-fa) Reproduced with permission from reference [68].…”

Section: Benzoxazine Thermosets Derived From Bio-based Aminesmentioning

confidence: 99%

Recent Advances in Flame Retardant Bio-Based Benzoxazine Resins

Ding¹,

Wang²,

Song³

et al. 2022

Journal of Renewable Materials

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Benzoxazines have attracted wide attention from academics all over the world because of their unique properties. However, most of the production and preparation of benzoxazine resins depends on petroleum resources now, especially bisphenol A-based benzoxazine. Therefore, owing to the environmental impacts, the development of bio-based benzoxazines is gaining more and more interest to substitute petroleum-based benzoxazines. Similar to petroleum-based benzoxazines, most of bio-based benzoxazines suffer from flammability. Thus, it is necessary to endow bio-based benzoxazines with outstanding flame retardancy. The purpose of this review is to summarize the latest advance in flame retardant bio-based benzoxazines. First, three methods of the synthesis of bio-based benzoxazines are introduced briefly. Furthermore, the curing mechanism of benzoxazine and the effect of branched chains on the curing behavior are also discussed and summarized. Subsequently, this review focuses on fully bio-based benzoxazines, partly bio-based benzoxazines, and bio-based benzoxazine composite materials in terms of flame retardancy as well as thermal stability and some other special properties. Finally, we give a brief comment on the challenges and prospects of the future development of flame retardant bio-based benzoxazines.

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“…147 Besides, the performance of petroleum-based bisphenol-A and derived resins could be regulated using renewable amines or green fillers. [148][149][150][151] The simultaneous usage of renewable phenols and amines can further reduce the dependence on petroleum resources and improve resin's bio-based content. Several research groups designed benzoxazine monomer using different monophenol, including eugenol, vanillin, guaiacol, arbutin, sesamol and phloretic acid, combined with furfurylamine, Other than some special application such as reactive diluent, 152 due to the poor properties of monofunctional resins, most of the existing studies are only feedstocks exploration, structural combination, or concept demonstration.…”

Section: High Performance Bio-based Benzoxazine Resinmentioning

confidence: 99%

“…Besides, the performance of petroleum‐based bisphenol‐A and derived resins could be regulated using renewable amines or green fillers 148–151 . The simultaneous usage of renewable phenols and amines can further reduce the dependence on petroleum resources and improve resin's bio‐based content.…”

Section: Bio‐based Benzoxazine Resinmentioning

confidence: 99%

Recent development on bio‐based thermosetting resins

Liu

Zhang

Shun

et al. 2021

Journal of Polymer Science

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Due to the rapid depletion of crude oil and serious environmental pollution, the synthesis of polymers from renewable resource is becoming more and more important. Up to now, a great variety of biomass and bio-based platform compounds have been taken to prepare the polymers. However, as two representative thermosetting resins, epoxy and benzoxazine resin derived from renewable feedstocks only obtain limited attention compared with the popular bio-based plastics, including PLA, PBAT and PHBV etc. The reason might be that the properties of previously reported thermosetting resins directly obtained from biomass are usually unsatisfied, and their application fields are limited. In this paper, the latest development on the synthesis of highperformance bio-based epoxy and polybenzoxazine resins are reviewed. In addition, to further broaden their applications, the functionalization strategies are also summarized. The objective of this work is to help us fully aware the present situation of bio-based thermosetting resins and then promote their faster development, especially practical application.

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Intrinsically noncombustible polymers without flame retardant additives: Sulfur-containing and bio-based benzoxazines

Cited by 48 publications

References 47 publications

The chemical effect of furfuryl amide on the enhanced performance of the diphenolic acid derived bio‐polybenzoxazine resin

The chemical effect of furfuryl amide on the enhanced performance of the diphenolic acid derived bio‐polybenzoxazine resin

Recent Advances in Flame Retardant Bio-Based Benzoxazine Resins

Recent development on bio‐based thermosetting resins

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