초록 ▼

A composition comprising the product precipitated in the admixing of a soluble metal salt and one or more compounds having a component selected from silicates, phosphates and borates; and a method for controlling drainage and/or retention in the formation of a paper matrix or for treating water comp

A composition comprising the product precipitated in the admixing of a soluble metal salt and one or more compounds having a component selected from silicates, phosphates and borates; and a method for controlling drainage and/or retention in the formation of a paper matrix or for treating water comprising the use of such product.

대표청구항 ▼

[ What is claimed is:] [1.] A method for treating water comprising the steps of(1) precipitating a microparticle product by the admixing of a soluble meal salt selected from the group consisting of magnesium, iron, copper, zinc, zirconium, yttrium, lanthanum and cerium and one or more compounds havi

[ What is claimed is:] [1.] A method for treating water comprising the steps of(1) precipitating a microparticle product by the admixing of a soluble meal salt selected from the group consisting of magnesium, iron, copper, zinc, zirconium, yttrium, lanthanum and cerium and one or more compounds having a component selected from the group consisting of silicates, phosphates and borates wherein said product is represented by an empirical formula selected from the group consisting of ).sub.w Al.sub.x Si.sub.y P.sub.z O.sub.(0.5w+1.5x+2y+2.5z) ; EQU M(I).sub.w Al.sub.x Si.sub.y B.sub.z O.sub.(0.5w+1.5x+2y+1.5z) ; EQU M(I).sub.w M(II).sub.x Al.sub.y Si.sub.x O.sub.(0.5w+x+1.5y+2z) ; EQU M(I).sub.w M(III).sub.x Al.sub.y Si.sub.z O.sub.(0.5w+0.5ax+1.5y+2z) ; EQU M(I).sub.w M(IV).sub.x Al.sub.y Si.sub.z O.sub.(0.5w+1.5x+1.5y+2z) ; rein M(I) is hydrogen, lithium, sodium or potassium; Al is aluminum; Si is silicon; P is phosphorus; O is oxygen; B is boron; M(II) is magnesium, calcium, strontium, or barium; M(III) is a transition metal of the first, second or third series or the actinides; M(IV) is a metal of the lanthanide series; a is the valency value of the M(III) metal; w is a value to balance the election charge created by the values of x, y and z; and x, y, and z are each independently a value from about 0.1 to about 10.0; and(2) admixing the microparticle product and water comprising a polymer to produce water comprising floccule.