Issue 46, 2022, Issue in Progress

Flame-retardant effect of tannic acid-based intumescent fire-retardant applied on flammable natural rubber

Abstract

Tannic acid (TA) is a natural phenolic compound abundant in plants. Its characteristics of low combustion and good absorption make it useful in the flame retardant field. On this basis, a new expansive flame retardant system (ACT) composed of ammonium polyphosphate (APP)/TA functional clay (CT) was used to study the synergistic flame retardancy and smoke suppression of natural rubber (NR). Because of their unique flame retardancy and better mechanical properties compared with the traditional expansive flame retardant system (IFR), new flame retardants have attracted much attention in various fields. The results of the cone calorimeter showed that the ACT system can significantly influence the decomposition behavior of NR and form a highly graphitized and phosphorous carbon layer to protect the composite material, thus a synergistic effect is produced on the flame retardancy and smoke suppression performance of the composite material. In addition, within the effective additive quality range of the ACT system, TC can give the NR composite excellent mechanical properties.

Graphical abstract: Flame-retardant effect of tannic acid-based intumescent fire-retardant applied on flammable natural rubber

Supplementary files

Article information

Article type
Paper
Submitted
27 Jul 2022
Accepted
20 Sep 2022
First published
19 Oct 2022
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2022,12, 29928-29938

Flame-retardant effect of tannic acid-based intumescent fire-retardant applied on flammable natural rubber

J. Wang, X. Wang, Z. Zhou, X. Liu, M. Xu, F. Zhao, F. Zhao, S. Li, Z. Liu, L. Li and S. Zhao, RSC Adv., 2022, 12, 29928 DOI: 10.1039/D2RA04682B

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