Fabrication of CoFe‐layered double hydroxide for flame retardant and smoke suppression of silicone rubber foam

Ke Shang; Huijing Jiang; Jing Zhao; Bi Zhao; Xing Jin; Guide Lin; Jinjun Yang; Junsheng Wang

doi:10.1002/app.56087

journal article Aug 07, 2024

Fabrication of CoFe‐layered double hydroxide for flame retardant and smoke suppression of silicone rubber foam

Ke Shang

Huijing Jiang Jing Zhao

Bi Zhao Xing Jin

Guide Lin Jinjun Yang Junsheng Wang

Journal of Applied Polymer Science Vol. 141 No. 42 · Wiley

View at Publisher Save 10.1002/app.56087

Abstract

AbstractIn order to improve the flame retardancy and smoke suppression of silicone rubber foam (SRF), the CoFe‐LDH was fabricated by coprecipitation method and used as flame‐retardant ingredient in SRF. The influence of CoFe‐LDH on the flame retardancy, combustion behavior, and thermal stability of SRF was investigated. The results demonstrate that SRF containing only 1.0 phr CoFe‐LDH can pass V‐0 rating in the vertical combustion test, with a limiting oxygen index of 28.6%. The total heat release and total smoke production are 22.2% and 61.1% lower than that of SRF, respectively. Moreover, CoFe‐LDH can improve the thermal stability of SRF in the high temperature range, and the char residue at 900°C of SRF/LDH composite is obviously higher than that of pure SRF. In addition, to further understand the flame‐retardant mechanism of CoFe‐LDH, the micromorphology of the char residue and the gaseous products during heating for SRF and SRF/LDH composite were analyzed. The results indicate that CoFe‐LDH exhibits excellent flame‐retardant effects in both condensed and gaseous phases for its functions of catalysis, carbonization, and nonflammable gas release. This study provides a more efficient and convenient strategy for the flame retardant and smoke suppression research of SRF.

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Details

Published: Aug 07, 2024
Vol/Issue: 141(42)
License: View

Authors

K

Ke Shang

Tianjin Fire Science and Technology Research Institute of MEM Tianjin China; Key Laboratory of Fire Protection Technology for Industry and Public Building, Ministry of Emergency Management Tianjin China; Tianjin Key Laboratory of Fire Safety Technology Tianjin China; Engineering Research Center of Eco‐friendly Polymeric Materials, Ministry of Education Chengdu China

H

Huijing Jiang

School of Environmental Science and Safety Engineering Tianjin University of Technology Tianjin China

J

Jing Zhao

Tianjin Fire Science and Technology Research Institute of MEM Tianjin China

B

Bi Zhao

Tianjin Fire Science and Technology Research Institute of MEM Tianjin China

X

Xing Jin

Tianjin Fire Science and Technology Research Institute of MEM Tianjin China

G

Guide Lin

Tianjin Fire Science and Technology Research Institute of MEM Tianjin China

J

Jinjun Yang

School of Environmental Science and Safety Engineering Tianjin University of Technology Tianjin China

J

Junsheng Wang

Tianjin Fire Science and Technology Research Institute of MEM Tianjin China; Key Laboratory of Fire Protection Technology for Industry and Public Building, Ministry of Emergency Management Tianjin China; Tianjin Key Laboratory of Fire Safety Technology Tianjin China

Funding

National Key Research and Development Program of China Award: 2020YFB0311300

Natural Science Foundation of Tianjin Municipality Award: 22JCYBJC01720

Cite This Article

Ke Shang, Huijing Jiang, Jing Zhao, et al. (2024). Fabrication of CoFe‐layered double hydroxide for flame retardant and smoke suppression of silicone rubber foam. Journal of Applied Polymer Science, 141(42). https://doi.org/10.1002/app.56087

Fabrication of CoFe‐layered double hydroxide for flame retardant and smoke suppression of silicone rubber foam

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