FIELD: chemistry.
SUBSTANCE: invention relates to a method of obtaining a water dispersion, which includes one or more thickening agents and solid particles of 1,2-benzisothiazolin-3-one. The method includes the following stages: (a) formation of a water mixture (I), which includes water, dissolved salt of 1,2-benzisothiazolin-3-one, with pH of the water mixture (I) constituting 8.5 or higher, (b) further formation of a water dispersion in mixing in any order components, including an acid and the water mixture (I) and one or more thickening agents, added either at the stage (a) and/or at the stage (b), with pH of the said dispersion constituting from 1.5 to 7.5. The invention also relates to the water dispersion, intended for elimination of microorganisms, obtained by the claimed method.
EFFECT: obtaining the stable dispersion of 1,2-benzisothiazolin-3-one with small-sized particles.
11 cl, 20 ex
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