| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain a sulfur composition less liable to fire, containing a uniformly dispersed filler and used for obtaining a high density and high strength hardened body by mixing sulfur and a mineral powder in a specified weight ratio at a specified temperature. SOLUTION: Sulfur and a mineral powder are mixed in a weight ratio of 1:(1-4) at 120-160 deg.C to obtain the objective sulfur composition. Part of the mineral powder may be substituted by an aggregate, preferably a fine aggregate for concrete and the temperature of the sulfur is preferably 120-160 deg.C. A hardened body of the sulfur composition consists of sulfur and the mineral powder as a filler. The sulfur may be powdery or flaky free sulfur or molten sulfur and sulfur obtained as a byproduct in an oil refining step or sulfur commercially available as a reagent may also be used. The mineral powder is preferably fine powder having <=0.1μm average particle diameter and fly ash, silica or blast furnace slag may be used.</p> |
