Process for preparing hydrophilic highly swellable hydrogels

C - Chemistry – Metallurgy – 08 – L

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C08L 101/14 (2006.01) C08J 3/075 (2006.01)

Patent

CA 2195373

The present invention relates to a process for preparing hydrophilic highly swellable hydrogels by mixing fine particles of a hydrophilic highly swellable hydrogel into a hydrophilic highly swellable hydrogel in aqueous gel form with the addition of water, wherein the mixing-in operation is carried out in the presence of a surfactant.

ode de préparation d'hydrogels hydrophiles hautement gonflables consistant à mélanger à de l'eau de fines particules d'un hydrogel hydrophile hautement gonflable pour obtenir un hydrogel hydrophile hautement gonflable sous forme acqueuse, l'opération de mélange étant effectuée en présence d'un surfactant

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