A process for producing finely divided particles of a solid compound having flame retardant or smoke suppressant properties comprising: loading an agitated media mill with comminuting media, a fluid vehicle, and starting particles of a solid compound having flame retardant or smoke suppressant properties; and agitating said comminuting media, fluid vehicle, and starting particles until said starting particles are reduced in size by at least 10% and comminuted particles are produced within said agitated media mill having a size distribution wherein said comminuted particles have a volumetric average particle size of less than 0.1 micron and wherein at least 99% of said comminuted particles is sized less than 1 micron.
›16.↳ 15The process of claim 15, wherein said slurry further comprises a dispersion agent.d2+1
The process of claim 15, wherein said slurry further comprises a dispersion agent.
›27.↳ 16The process of claim 16, wherein said dispersion agent is selected from the group consisting of cationic surfactants, amphoteric surfactants, and non-…d3
The process of claim 16, wherein said dispersion agent is selected from the group consisting of cationic surfactants, amphoteric surfactants, and non-ionic surfactants.
›17.↳ 15The process of claim 15, wherein said agitated media mill is operated at a tip speed ranging from 1000 to 6000 feet per minute.d2
The process of claim 15, wherein said agitated media mill is operated at a tip speed ranging from 1000 to 6000 feet per minute.
›18.↳ 15The process of claim 15, wherein said comminuting media are provided in an amount sufficient to fill about 80 to 92% of the bulk volume within said mi…d2
The process of claim 15, wherein said comminuting media are provided in an amount sufficient to fill about 80 to 92% of the bulk volume within said mill.
›19.↳ 15The process of claim 15, wherein said comminuting media are selected from the group consisting of sand, glass beads, metals, and ceramics.d2+2
The process of claim 15, wherein said comminuting media are selected from the group consisting of sand, glass beads, metals, and ceramics.
›20.↳ 19The process of claim 19, wherein said comminuting media are selected from the group consisting of barium titanite, leaded soda lime, borosilicate, car…d3
The process of claim 19, wherein said comminuting media are selected from the group consisting of barium titanite, leaded soda lime, borosilicate, carbon steel, stainless steel, tungsten carbide, zirconium silicate, and alumina.
›21.↳ 19The process of claim 19, wherein said media is yttrium stabilized zirconium oxide.d3
The process of claim 19, wherein said media is yttrium stabilized zirconium oxide.
›22.↳ 15The process of claim 15, wherein said solid chemical compound is selected from the group consisting of hydrated salts, organic phosphates, metal borat…d2
The process of claim 15, wherein said solid chemical compound is selected from the group consisting of hydrated salts, organic phosphates, metal borates, polyamides, solid halogenated flame retardants with a melting point greater than 250.degree. C., molybdenum compounds, metallocenes, antimony compounds, zinc compounds, and bismuth compounds.
›23.↳ 15The process of claim 15, wherein said solid chemical compound is selected from the group consisting of zinc borate, decabromodiphenyloxide and antimon…d2
The process of claim 15, wherein said solid chemical compound is selected from the group consisting of zinc borate, decabromodiphenyloxide and antimony trioxide.
›24.↳ 15The process of claim 15, wherein said fluid vehicle is selected from the group consisting of organic liquids, polyvinyl chloride plasticizers and low …d2
The process of claim 15, wherein said fluid vehicle is selected from the group consisting of organic liquids, polyvinyl chloride plasticizers and low melting point waxes or fats.
›25.↳ 15The process of claim 15, wherein said fluid vehicle is selected from the group consisting of dimethylacetamide, ethylene glycol and diisodecylphthalat…d2
The process of claim 15, wherein said fluid vehicle is selected from the group consisting of dimethylacetamide, ethylene glycol and diisodecylphthalate.
›26.↳ 15The process of claim 15, wherein said fluid vehicle is water.d2
The process of claim 15, wherein said fluid vehicle is water.
›28.↳ 15The process of claim 15, wherein said dispersion agent is selected from the group consisting of wetting agents and anionic surfactants.d2
The process of claim 15, wherein said dispersion agent is selected from the group consisting of wetting agents and anionic surfactants.
›29.↳ 15Finely divided particles of a solid chemical compound having flame retardant or smoke suppressant properties, produced by the process of claim 15.d2
Finely divided particles of a solid chemical compound having flame retardant or smoke suppressant properties, produced by the process of claim 15.
›30.↳ 15The process of claim 15, wherein said comminuting media has an average size ranging from about 0.012 to 0.2 mm.d2+2
The process of claim 15, wherein said comminuting media has an average size ranging from about 0.012 to 0.2 mm.
›31.↳ 30The process of claim 30 wherein said comminuting media is yttrium stabilized zirconium.d3+1
The process of claim 30 wherein said comminuting media is yttrium stabilized zirconium.
›32.↳ 31The method of claim 31 wherein said comminuting media has an average diameter of about 0.2 mm.d4
The method of claim 31 wherein said comminuting media has an average diameter of about 0.2 mm.
