Preparation and Characterization of DOPO-Functionalized MWCNT
Preparation and Characterization of DOPO-Functionalized MWCNT and Its High Flame-Retardant Performance in Epoxy Nanocomposites Preparation and Characterization of DOPO-Functionalized MWCNT and Its High Flame-Retardant Performance in Epoxy Nanocomposites Polymers (Basel). 2025 Mar 7;12 (3):613. doi: 10.3390/polym12030613. Authors
Preparation and Characterization of DOPO-Functionalized MWCNT
Preparation of MWCNT-ODOPB In this work, we present a three-step procedure, as shown in Scheme 1 to prepare flame retardant MWCNT-ODOPB. Scheme 1. Synthesis of MWCNT-ODOPB. 1. ODOPB was synthesized with DOPO and benzoquinone as the starting materials and tetrahydrofuran (THF) as the solvent [ 21 ].
Preparation and Characterization of DOPO-Functionalized MWCNT
MWCNT Preparation and Characterization of DOPO-Functionalized MWCNT and Its High Flame-Retardant Performance in Epoxy Nanocomposites DOI: 10.3390/polym12030613 License CC BY Authors:...
Preparation and Characterization of DOPO-Functionalized MWCNT
We improved the organization of the title as “ Preparation and characterization of DOPO-functionalized MWCNT and its high flame-retardant performance in epoxy nanocomposites ” to highlight the strategies of searching an efficiency flame retardant DOPO grafted onto MWCNT.
Preparation and Characterization of DOPO-Functionalized MWCNT
Experimental results indicated that MWCNT-ODOPB was a compatible and efficient flame retardant for epoxy resins. In this work, functionalized multi-walled carbon nanotubes (MWCNT) were synthesized by the reaction between acylated MWCNT and 10-(2,5-dihydroxyphenyl)-9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (ODOPB). The obtained MWCNT-ODOPB was well dispersed into epoxy resins together
- Do functionalized MWCNTs improve thermal and mechanical properties of polymers?
- In most cases, the addition of small quantities of functionalized MWCNTs, usually less than 1 wt.%, can dramatically improve the thermal and mechanical properties of polymers, but still fails to pass the traditional flame retardancy such as UL 94 tests [ 18, 30, 34, 35 ].
- How does MWCNT-Dopo-Oh interact with AHP/PLA/MWCNT-do?
- For AHP/PLA/MWCNT-DOPO-OH nanocomposites, when cooperating with MWCNT-DOPO-OH, aluminum-phosphorus synergistic effect makes MWCNT-DOPO-OH and AHP act as charring agent, acid source and gas source to form a synergistic effected flame-retardant system. Thus the oolitc char layers as well as higher char residue protect interior of PLA matrix.
- Does functionalized MWCNT affect mechanical and interfacial properties of carbon fiber composites?
- Dispersion stability of functionalized MWCNT in the epoxy–amine system and its effects on mechanical and interfacial properties of carbon fiber composites Mater. Des., 94 ( 2016), pp. 392 - 402 Flame retardancy and thermal degradation mechanism of epoxy resin composites based on a DOPO substituted organophosphorus oligomer
- Do functionalized MWCNTs hinder the propagation of cracks?
- While, functionalized MWCNTs introduced in this condition play a role in hindering the propagation of the crack. Fig. 10. Notched impact strength of PLA and flame retardant PLA with fillers content of 1 wt.%, 15 wt.%, 20 wt.% and 25 wt.%.
- Does MWCNT-Dopo-Oh improve the dispersion of AHP?
- The smaller and regular oolitc carbonaceous balls for PLA/ (APH-19%+MWCNT-DOPO-OH-1%) indirectly demonstrate that MWCNT-DOPO-OH improve the dispersion of AHP, as the uniformly dispersed MWCNT-DOPO-OH formed a three-dimensional network and acted as mini-stirrers in PLA matrix.
- How does MWCNT-Dopo-Oh affect TG?
- The value of Tg decrease to 60.9 °C with addition of 1 wt.% MWCNT-DOPO-OH into PLA matrix. It can be explained by the fact that the addition of functionalized MWCNTs shows influence on PLA molecular chain configuration, which increases PLA molecular chain mobility [62 ].
