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The new coatings based on styrene-acrylate copolymer with solid powder additives were prepared. Solid additives were one of three types of adhesives (white cement, Portland cement, and alumina cement) and one of four inorganic fillers (quartz powder, talcum powder, calcium carbonate powder, and fly ash). The coatings were tested by determination of surface drying time, hard drying time, tensile strength,...
Flame retardants are key ingredients for gas sealing materials used in the coal mine wall. In this paper, the types and doses of flame retardants are investigated. The results showed that a gas sealing material with 11 wt % complex flame retardants had a good performance when the complex flame retardants were composed of aluminum hydroxide and chlorinated paraffin at a ratio of 3:8. The flame resistant...
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