STABLE AQUEOUS COLLOIDAL SILICA PRODUCT AND METHODS TO MAKE AND USE SAME
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An aqueous colloidal silica product， a method of using the aqueous colloidal silica product， and a method of producing an aqueous colloidal silica product， are disclosed. The method of producing the aqueous colloidal silica product incorporates semi-batch addition of alkali metal silicate， which is capable of achieving an aqueous colloidal silica product having desirable physical and chemical characteristics. The aqueous colloidal silica product has been found to be particularly useful as an additive in a papermaking process. An aqueous colloidal silica product， a method of using the aqueous colloidal silica product， and a method of producing an aqueous colloidal silica product， are disclosed. The method of producing the aqueous colloidal silica product incorporates semi-batch addition of alkali metal silicate， which is capable of achieving an aqueous colloidal silica product having desirable physical and chemical characteristics. The aqueous colloidal silica product has been found to be particularly useful as an additive in a papermaking process.
