C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 8/00 (2006.01) A61L 15/00 (2006.01) A61L 15/60 (2006.01) B01J 20/26 (2006.01) C08F 8/14 (2006.01)
Patent
CA 2362402
The invention relates to crosslinked polymerizates which are capable of absorbing, which are based on partially neu-tralized, monoethylenically unsaturated monomers that carry acidic groups, which exhibit improved properties, in par-ticular, with regard to their ability to transport liquids when in a swollen state, and which are subsequently cross-linked on the surface thereof at temperatures >=150°C with a combination consisting of polyol used as a subsequent crosslinker compound and of a cation provided in the form of an aqueous solution.
L'invention concerne des polymères réticulés à pouvoir absorbant, à base de monomères semi-neutralisés, monoéthyléniquement insaturés, portant des groupes acide, possédant des propriétés améliorées, en particulier en ce qui concerne leur capacité à transporter des liquides lorsqu'ils sont imbibés desdits liquides, qui ont été post-réticulés, à leur surface, à des températures >/= 150 DEG C, avec une combinaison comprenant du polyol comme agent de post-réticulation et un cation, sous forme de solution aqueuse.
Harren Jorg
Mertens Richard
Borden Ladner Gervais Llp
Evonik Stockhausen Gmbh
Stockhausen Gmbh & Co. Kg
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