A nano-sulfur containing composition and application thereof

Abstract

A composition containing nano-sulfur and an application thereof, the composition containing nano-sulfur contains nano-sulfur and further contains an anti-agglomeration agent used for preventing or delaying the agglomeration of the nano-sulfur, is provided. The composition containing nano-sulfur may be widely used for preparing toiletries for use on the surface of the skin on humans or animals, pharmaceutical compositions treating skin disorders, pesticides, preservatives for vegetables and fruits, additives for animal feed, additives for mold prevention in paint, mold prevention agents for textiles or (textile) mite-killing agents. The composition containing nano-sulfur is easy to prepare, and the nano-sulfur may remain in the nano state for a long time, reducing or even eliminating the occurrence of the agglomeration of the nano-sulfur, while achieving the goals of being applied in various products and preventing fungus by simply adding a very small amount.

1 . A nano-sulfur containing composition comprising:
 nano-sulfur and anti-agglomerating agent(s) used for preventing or retarding agglomeration of the nano-sulfur.   
     
     
         2 . The nano-sulfur containing composition according to  claim 1 , wherein the anti-agglomerating agent(s) is selected from the group consisting of thickener(s), suspending agent(s), dispersing agent(s), emulsion(s), binder(s), deflocculating agent(s), coupling agent(s), an antistatic agent(s), surfactant(s), colloid(s). 
     
     
         3 . The nano-sulfur containing composition according to  claim 2 , wherein the thickener is any selected from the group consisting of: natural thickener(s) and chemically synthesized thickener(s); further wherein natural thickeners comprise starch, dextrin, acacia, carrageenan, pectin, agar, alginic acid and their salts or derivatives, tamarind gum, chitin, ablmoschus manihot gum, linseed gum, sesbania gum, guargum, locust bean gum, xanthan gum; the chemically synthesized thickener(s) comprise sodium carboxymethyl starch, hydroxypropyl starch ether, sodium starch phosphate, acetyl distarch phosphate, phosphorylated distarch phosphate, and hydroxypropyl distarch phosphate. 
     
     
         4 . The nano-sulfur containing composition according to  claim 2 , wherein the suspending agent is selected from the group consisting of: glycerin, syrup, gum suspension, plant polysaccharide suspension, cellulose suspension, carbopol, povidone, glucan, silicon bentonite, and thixotrope. 
     
     
         5 . The nano-sulfur containing composition according to  claim 2 , wherein the dispersing agent is selected from the group cosisting of: sodium silicate, sodium tripolyphosphate, sodium hexametaphosphate, sodium pyrophosphate, triethylhexylphosphoric acid, sodium lauryl sulfate, methyl amyl alcohol, cellulose derivative, polyacrylamide, guar gum, polyethylene glycol, and fatty acid polyethylene glycol ester. 
     
     
         6 . The nano-sulfur containing composition according to  claim 2 , wherein the surfactant is selected from the group consisting of: double-chain ionic surfactant, anionic surfactant, cationic surfactant, and nonionic surfactant. 
     
     
         7 . The nano-sulfur containing composition according to  claim 2 , wherein the colloid is selected from the group consisting of: silicic acid colloid, starch colloid, protein colloid, soybean milk, and colloidal silica. 
     
     
         8 . The nano-sulfur containing composition according to  claim 1 , wherein the anti-agglomerating agent is selected from the group consisting of: starch, dextrin, gum arabic, carrageenan, pectin, agar, alginic acid, sodium alginate, alginic acid glycol ester, tamarind gum, chitin, ablmoschus manihot gum, linseed gum, sesbania gum, guar gum, locust bean gum, xanthan gum, sodium carboxymethyl starch, hydroxypropyl starch ether, starch sodium phosphate ester, acetyl distarch phosphate, phosphorylated distarch phosphate, hydroxypropyl distarch phosphate, glycerin, syrup, carbopol, povidone, glucan, silicon bentonite, thixotrope, sodium silicate, sodium tripolyphosphate, sodium hexametaphosphate, sodium pyrophosphate, triethylhexylphosphoric acid, sodium lauryl sulfate, methyl pentanol, lignin, carboxymethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, polyacrylamide, polyethylene glycol, fatty acid polyethylene glycol ester, sodium dioctyl sulfosuccinate, sodium dodecyl sulfonate, sodium dodecyl benzene sulfonate, cetyltrimethylammonium bromide, alkylphenol polyoxyethylene ether, silicic acid colloid, protein colloid, soybean milk, colloid silica, Span 20, Span 60, Span 80, Tween 20, Tween 60 and Tween 80. 
     
     
         9 . The nano-sulfur containing composition according to  claim 1 , wherein a mass ratio of the nano-sulfur to the anti-agglomerating agent in the nano-sulfur containing composition is 1-10:0.5-20. 
     
     
         10 . The nano-sulfur containing composition according to  claim 1 , wherein the nano-sulfur has a particle diameter of at least one of: 10 μm or less, 5 μm or less, 5 nm-3000 nm, 10 nm-2000 nm, and 20 nm-500 nm. 
     
     
         11 . The nano-sulfur containing composition according to  claim 1 , wherein the nano-sulfur containing composition further comprising solvent(s), the nano-sulfur and anti-agglomerating agent are dispersed in the solvent. 
     
     
         12 . The nano-sulfur containing composition according to  claim 11 , wherein the solvent is selected from the group consisting of: water, ethanol, propylene glycol, glycerin, and polyethylene glycol. 
     
     
         13 . The nano-sulfur containing composition according to  claim 11 , wherein, in the nano-sulfur containing composition, a mass content of the nano-sulfur is 0.01%-10%, and a mass content of the anti-agglomerating agent is 0.01-25%. 
     
     
         14 . The nano-sulfur containing composition according to  claim 11 , wherein the nano-sulfur containing composition is prepared in at least one of the following ways:
 (a) mixing powdered nano-scale sulfur with solvent(s), anti-agglomerating agent(s), and dispersing uniformly to obtain nano-sulfur containing composition;   (b) reacting thiosulfate(s) or polysulfide(s) with acid(s) in a presence of anti-agglomerating agent(s) in solvent(s) to obtain nano-sulfur containing composition; and   (c) preparing nano-sulfur containing composition by micro-emulsion method using thiosulfate(s) or polysulfide(s), and acid(s) as reaction raw materials.   
     
     
         15 . The nano-sulfur containing composition according to  claim 14 , wherein the thiosulfate is selected from the group consisting of: sodium thiosulfate, ammonium thiosulfate, and potassium thiosulfate; and/or, the polysulfide is selected from the group consisiting of: sodium polysulfide, potassium polysulfide, and ammonium polysulfide. 
     
     
         16 . The nano-sulfur containing composition according to  claim 14 , wherein the acid is organic acid, inorganic acid, or a combination of organic acid and inorganic acid. 
     
     
         17 . The nano-sulfur containing composition according to  claim 16 , wherein the organic acid comprises benzoic acid, acetic acid, citric acid, tartaric acid, salicylic acid, lactic acid; and the inorganic acid comprises hydrochloric acid, sulfuric acid, nitric acid, and boric acid. 
     
     
         18 . A preparation method of the nano-sulfur containing composition according to  claim 1 , wherein the preparation method comprises reacting thiosulfate(s) or polysulfide(s) with acid(s) in solvent(s) in a presence of anti-agglomerating agent(s) to obtain the nano-sulfur containing composition. 
     
     
         19 . The preparation method according to  claim 18 , wherein the thiosulfate is selected from the group consisting of: sodium thiosulfate, ammonium thiosulfate, and potassium thiosulfate; and/or, the polysulfide is selected from the group consisting of: sodium polysulfide, potassium polysulfide, and ammonium polysulfide; the acid is organic acid, inorganic acid, or a combination of the two. 
     
     
         20 . (canceled) 
     
     
         21 . (canceled) 
     
     
         22 . A sulfur-containing product,wherein the sulfur-containing product is prepared by the following steps:
 (1) providing the nano-sulfur containing composition according to  claim 1 ;   (2) mixing the nano-sulfur containing composition with other components of the sulfur-containing product.   
     
     
         23 . (canceled)