Stable composite material comprising supported porous gels

Details Stable composite material comprising supported porous gels Stable composite material comprising supported porous gels

B - Operations, Transporting

01

J

B01J 20/28 (2006.01) B01D 15/08 (2006.01) B01D 37/02 (2006.01) B01J 20/30 (2006.01) B01J 32/00 (2006.01) C08J 3/02 (2006.01) G01N 30/52 (2006.01)

Patent

CA 2564413

This invention relates to a stable composite material comprising a support member that has a plurality of pores extending through the support member, and a macroporous crosslinked gel that is located in, and fills, the pores of the support member, in which crosslinked gel is entrapped a stabilising polymer, which stabilising polymer is neutral, linear or branched, non-crosslinked, and substantially water-insoluble. The presence of the stabilising polymer is such that it allows the composite material to largely retain its porosity and morphology after being dried. The invention also relates to a process for preparing the stable composite material described above, and to its use. The stable composite material is suitable, for example, for separation of substances, for example by filtration or adsorption, including chromatography, for use as a support in synthesis or for use as a support for cell growth.

Cette invention concerne un matEriau composite stable comprenant un ElEment support qui possède une pluralitE de pores s'étendant dans l'ElEment support, et un gel rEticulE macroporeux qui se situe dans, et remplit, les pores de l'ElEment support, dans lequel gel rEticulE est emprisonnE un polymEre stabilisant, lequel polymEre stabilisant est neutre, linEaire ou ramifiE, non rEticulE et pratiquement insoluble dans l'eau. La prEsence du polymEre stabilisant est telle qu'elle permet au matEriau composite de conserver en grande partie sa porositE et sa morphologie aprEs avoir EtE sEchE. L'invention concerne Egalement un procEdE de préparation du matériau composite stable décrit précédemment et son utilisation. Ce matEriau composite stable est appropriE, par exemple, en vue de la sEparation de substances, par exemple par filtration ou adsorption, y compris par chromatographie, en vue d'une utilisation en tant que support dans une synthEse ou en vue d'une utilisation en tant que support dans le cadre de la croissance cellulaire.

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