Polyglycerol antifoam agents in paper processing

Details Polyglycerol antifoam agents in paper processing Polyglycerol antifoam agents in paper processing

D - Textiles, Paper

21

H

D21H 21/12 (2006.01)

Patent

CA 2135543

Polyglycerol esters have been found to be effective antifoam agents in aqueous systems employed in paper processing. Adjunct antifoam agents are not required. Best results are obtained with polyglycerol esters having a degree of glycerine polymerization in the range of 3 to 6 and an esterification range of 15 to 85%.

On a montré que les esters de polyglycérols sont efficaces comme agent antimoussant dans des systèmes aqueux utilisés pour le traitement du papier. L'utilisation d'agents antimoussants d'appoint n'est pas nécessaire. Les esters de polyglycérols présentant un degré de polymérisation de la glycérine allant de 3 à 6 et un taux d'estérification allant de 15 à 85 % donnent les meilleurs résultats.

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