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    • 7. 发明申请
    • Manufacturing process for porous material
    • 多孔材料的制造工艺
    • US20060025585A1
    • 2006-02-02
    • US11224574
    • 2005-09-12
    • Hans BergMats Carlsson
    • Hans BergMats Carlsson
    • C08B37/00
    • C08J9/28C08B37/0039C08J3/075C08J2201/0544C08J2305/12
    • A method for the manufacture of a solid porous separation material based on a polysaccharide, said method comprising the steps of: (a) providing an aqueous solution (I) of a polysaccharide, (b) solidifying the solution, preferably by transforming the solution to a gel, and (c) optionally cross-linking the polysaccharide, with the proviso that, if step (c) is present, steps (b) and (c) may be carried out simultaneously. The method is characterised in that the polysaccharide provided in step (a) is modified by being inter-molecularly cross-linked to an extent such that the viscosity of solution (I) is at least 110%, preferably at least 200%, of the viscosity of an aqueous solution (II) of the corresponding polysaccharide which has not been inter-molecularly cross-linked and which is present in the same concentration as the inter-molecularly cross-linked polysaccharide is in solution (I).
    • 一种制备基于多糖的固体多孔分离材料的方法,所述方法包括以下步骤:(a)提供多糖的水溶液(I),(b)固化溶液,优选通过将溶液转化为 凝胶,和(c)任选地交联多糖,条件是如果存在步骤(c),则可以同时进行步骤(b)和(c)。 该方法的特征在于,步骤(a)中提供的多糖通过分子内交联以使溶液(I)的粘度为至少110%,优选至少200% 在溶液(I)中,未分子间交联并且与分子内交联的多糖以相同浓度存在的相应多糖的水溶液(II)的粘度是。