Aqueous Solutions of optical brighteners, use of such Aqueous Solutions in manufacturing paper and Method for Manufacturing coated paper using Said Aqueous Solutions

摘要

The present Invention relates to stable Aqueous Solutions during the storage of stilbene Optical brighteners with polyvinyl alcohols that can be used directly by the Manufacturer of paper because it can be diluted with water and / or dosed directly in a composi ING coating, in order to provide a particularly high Whiteness coated Papers.