A Temperature-Sensitive Hydrogel for Suppressing Oil Fire

Abstract:

A new attempt to suppress oil fire with a temperature-sensitive hydrogel was examed. The hydrogel were prepared by free radical polymerization methods with N-isopropy-lacrylamide (NIPAm) and Sodium acrylate (AA-Na). Different mass fractions of the aqueous hydrogen were measured by a differential scanning calorimeter (DSC) and viscosity tester. A series of gasoline fires were suppressed with hydrogel extinguishing agent B of Zhejiang University and the temperature-sensitive hydrogel respectively. The whole suppressing experiment was recorded by a digital video, four heat probes and eight thermocouples. It showed that the temperature-sensitive hydrogel has shorter extinguishment time and faster cooling rate than the hydrogel B, The extinguishing agent residual after the suppressing were observed by SEM, massive microporous structures were found in the temperature-sensitive hydrogel.

• Periodical: Advanced Materials Research (Volumes 785-786)
• Pages: 724-728
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.785-786.724
• Online since: September 2013
• Authors: Chun Lei Jia, Kai Tang
• Keywords: Extinguishing Agent, Hydrogel, Oil Fire, Temperature-Sensitive

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