What does this research mean for the field?

Coating intumescent flame retardants with polyetheramine flexible chain benzoxazine (particularly D230-BOZ) significantly improves the thermal stability, carbon-forming capacity, and condensed phase flame retardancy of polyoxymethylene composites. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To improve the flammability resistance and high-temperature char-forming ability of polyoxymethylene composites using polyetheramine-based benzoxazine coatings on intumescent flame retardants.

September 8, 2026Journal of Vinyl and Additive Technology

Polyetheramine‐type flexible chain benzooxazine for simultaneously enhancing flame retardancy and mechanical performance of polyoxymethylene

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Authors

CLChenlu Liu DHDa Huang SYShengquan Yu

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Overview

Experimental study shows improved thermal stability and char formation in polyoxymethylene composites modified with benzoxazine, indicating effective condensed-phase flame retardancy.

Key Points

To improve the flammability resistance and high-temperature char-forming ability of polyoxymethylene composites using polyetheramine-based benzoxazine coatings on intumescent flame retardants.
Physically coated intumescent flame retardants (IFR) with flexible polyetheramine benzoxazine chains (D230-BOZ and D400-BOZ) to synthesize D@IFR additives.
Prepared polyoxymethylene (POM) composites via melt blending and evaluated char formation, thermal decomposition, and flame-retardant properties using cone calorimetry and morphological analysis.
POM/4D230@IFR demonstrated thermal decomposition temperatures at T-5% of 258.6°C and T-10% of 259.7°C, achieving the highest residual carbon content at 22.24%.
POM/4D400@IFR reached a T-5% of 251.7°C, T-10% of 252.9°C, and 19.03% residual carbon content, compared to 18.3% carbon residue for 2D400@IFR.
Cone calorimetry showed that the D230@IFR system generated a taller, denser, and more structurally stable expanded char layer than the D400@IFR system, which formed a porous ~73 mm char layer.

Cite This Study

Liu et al. (2026) studied this question.

synapsesocial.com/papers/6a9fd83b58e84d0ff5b47ae1 https://doi.org/10.1002/vnl.70149

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September 8, 2026Journal of Vinyl and Additive Technology

Polyetheramine‐type flexible chain benzooxazine for simultaneously enhancing flame retardancy and mechanical performance of polyoxymethylene

View Full Paper

Ask AI

Bookmark

Authors

CLChenlu Liu DHDa Huang SYShengquan Yu

Discussion

Member takes

Overview

Experimental study shows improved thermal stability and char formation in polyoxymethylene composites modified with benzoxazine, indicating effective condensed-phase flame retardancy.

Key Points

To improve the flammability resistance and high-temperature char-forming ability of polyoxymethylene composites using polyetheramine-based benzoxazine coatings on intumescent flame retardants.
Physically coated intumescent flame retardants (IFR) with flexible polyetheramine benzoxazine chains (D230-BOZ and D400-BOZ) to synthesize D@IFR additives.
Prepared polyoxymethylene (POM) composites via melt blending and evaluated char formation, thermal decomposition, and flame-retardant properties using cone calorimetry and morphological analysis.
POM/4D230@IFR demonstrated thermal decomposition temperatures at T-5% of 258.6°C and T-10% of 259.7°C, achieving the highest residual carbon content at 22.24%.
POM/4D400@IFR reached a T-5% of 251.7°C, T-10% of 252.9°C, and 19.03% residual carbon content, compared to 18.3% carbon residue for 2D400@IFR.
Cone calorimetry showed that the D230@IFR system generated a taller, denser, and more structurally stable expanded char layer than the D400@IFR system, which formed a porous ~73 mm char layer.

Cite This Study

Liu et al. (2026) studied this question.

synapsesocial.com/papers/6a9fd83b58e84d0ff5b47ae1 https://doi.org/10.1002/vnl.70149

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