Method of preparing polymer granules

Details Method of preparing polymer granules Method of preparing polymer granules

C - Chemistry, Metallurgy

08

J

C08J 3/12 (2006.01) B01J 2/10 (2006.01) C08J 3/14 (2006.01) C08J 3/16 (2006.01) C11D 3/37 (2006.01) C11D 7/22 (2006.01)

Patent

CA 2172881

Methods of preparing granules which contain a water soluble or water dispersable polymer suitable for use in detergents are disclosed, in which a solution of the polymer in a liquid or a dispersion of the polymer in a liquid is formed into granules, in a single drying and granulation stage, wherein the polymer solution or dispersion is introduced into a substantially horizontal drum containing a multiplicity or rotating arms proximate its intemal surface, which intemal surface has an elevated temperature, and a gas is introduced into the drum at an elevated temperature via a gas inlet. Granules prepared by such methods may be used in detergent compositions, water treatment compositions, agrochemical compositions, adhesive compositions and cosmetic compositions, and may be used as pigment dispersants, mineral dispersants, cement additives, oil field additives, textile additives and paper additives.

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