Ion exchange fibers and method for manufacturing the same

Details Ion exchange fibers and method for manufacturing the same Ion exchange fibers and method for manufacturing the same

Category

B - Operations, Transporting

Subcategory

01

Subsubcategory

J

IPC codes

B01J 39/20 (2006.01) B01J 47/12 (2006.01) C08F 8/36 (2006.01) C08J 5/20 (2006.01) D01F 6/24 (2006.01) D01F 8/10 (2006.01) D01F 11/06 (2006.01)

Type

Patent

Patent number

CA 2055733

Description

Ion exchange fibers comprising a polymer component having a main chain of a syndiotactic poly(1,2-butadiene) structure and containing ion exchange functional groups introduced at least part of side chain ethylene groups. These fibers may be suitably formed into a non-woven fabrics, and thus an ion exchange cloth can be obtained, which has excellent ion exchange capacity, flexiblity excellent processing capacity, high mechanical strength and elongation. The ion exchange fibers have excellent ion exchange capacity with respect to fluid such as water or gas and thus can be used as cartridge filters and fiber-filled filters.

Fibres échangeuses d'ions constituées notamment d'un composant polymérique dont la chaîne principale présente une structure syndiotactique de poly(butadiène-1,2) et contient des groupements fonctionnels d'échange d'ions établis dans au moins une partie de groupes éthylène en chaîne latérale. On peut utiliser ces fibres pour former des textiles non-tissés et créer ainsi un tissu échangeur d'ions présentant une excellente aptitude à échanger les ions, de la souplesse, une excellente capacité de transformation, une grande résistance mécanique et la capacité de s'allonger. Ces fibres échangeuses d'ions ont une grande aptitude à échanger les ions avec des fluides comme l'eau ou le gaz, ce qui permet d'en faire usage comme filtres à cartouche et filtres à fibres.

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