#6448. Study on the preparation and inhibition mechanism of intumescent nanogel for preventing the spontaneous combustion of coal

October 2026publication date
Proposal available till 25-05-2025
4 total number of authors per manuscript0 $

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Journal’s subject area:
Organic Chemistry;
Chemical Engineering (all);
Energy Engineering and Power Technology;
Fuel Technology;
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Abstract:
A green, halogen-free, efficient, stable, and low-cost intumescent nanogel (ING) was prepared by combining an inorganic nanoparticle flame-retardant system with a chemical intumescent flame-retardant system. Polyacrylamide (PAM) gel was prepared by solution polymerization, then the modified nano-silica (MNS) and intumescent flame retardant were added to the PAM gel successively to prepare the ING. The preparation mechanism was analyzed, and response surface analysis showed that the optimal addition ratio of acrylamide, MNS, and potassium persulfate was 10:0.4:0.07, and the optimal reaction temperature was 75 ?. The modification of nano-silica and the surface morphology of the composite gel were observed by scanning electron microscopy.
Keywords:
Coal spontaneous combustion; Composite inhibitor; Gel; Intumescent flame retardant; Nano

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