C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 27/18 (2006.01) C08J 3/03 (2006.01) C08J 3/09 (2006.01) C08J 3/16 (2006.01) C08J 5/18 (2006.01) C08J 5/22 (2006.01) C08J 7/04 (2006.01) D01F 6/32 (2006.01)
Patent
CA 2268629
Solid and liquid compositions containing particles of highly fluorinated ion- exchange polymer having sulfonate functional groups with an ion exchange ratio of less than about 33. The compositions contain at least about 25 % by weight of polymer particles having a particle size of about 2 nm to about 30 nm.
La présente invention concerne des compositions liquides et solides contenant des particules d'un polymère échangeur d'ions hautement fluoré comprenant des groupes sulfonates fonctionnels présentant un taux d'échange ionique inférieur à 33. Ces compositions contiennent au moins 25 % en poids environ de particules polymères d'une taille comprise entre 2 nm et 30 nm.
Curtin Dennis Edward
Howard Edward George Jr.
Bennett Jones Llp
E.i. Du Pont de Nemours And Company
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