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    • 5. 发明授权
    • Porous polymeric matrices made of natural polymers and synthetic polymers and optionally at least one cation and methods of making
    • 由天然聚合物和合成聚合物制成的多孔聚合物基质和任选的至少一种阳离子和制备方法
    • US07446131B1
    • 2008-11-04
    • US11058034
    • 2005-02-15
    • LinShu LiuMarshall L. FishmanKevin B. Hicks
    • LinShu LiuMarshall L. FishmanKevin B. Hicks
    • C08B37/00
    • C08B37/0045A61L27/26A61L27/56C08J9/0061C08J9/26C08J9/28C08J2201/0444C08J2201/05C08J2367/04C08J2405/00C08L5/06C08L67/04C08L5/04C08L2666/18C08L2666/26
    • A porous polymeric matrix containing at least one natural polymer and at least one synthetic polymer and optionally at least one cation. Furthermore, a method of making a porous polymeric matrix involving mixing at least one natural polymer and inorganic salts with a solution comprising at least one solvent and at least one synthetic polymer to form a slurry, casting the slurry in a mold and removing the solvent to form solid matrices, immersing the solid matrices in deionized water to allow natural polymer cross-linking and pore creation to occur simultaneously, and drying the matrices to create a porous polymeric matrix; wherein the matrix contains a cation. Also, a method of making a porous polymeric matrix, involving mixing at least one natural polymer in an aqueous solvent and mixing at least one synthetic polymer in an organic solvent, combining the mixtures and casting in a mold, and separately removing said aqueous solvent and said organic solvent to form a porous polymeric matrix; wherein the porous polymeric matrix does not contain a cation.
    • 含有至少一种天然聚合物和至少一种合成聚合物和任选的至少一种阳离子的多孔聚合物基质。 此外,制备多孔聚合物基质的方法包括将至少一种天然聚合物和无机盐与包含至少一种溶剂和至少一种合成聚合物的溶液混合以形成浆料,将浆料浇铸到模具中并除去溶剂 形成固体基质,将固体基质浸入去离子水中以允许天然聚合物交联和孔产生同时发生,并干燥基质以产生多孔聚合物基质; 其中所述基质含有阳离子。 而且,制备多孔聚合物基质的方法,包括在水性溶剂中混合至少一种天然聚合物并在有机溶剂中混合至少一种合成聚合物,将该混合物和铸件混合在模具中,并分别除去所述水性溶剂和 所述有机溶剂形成多孔聚合物基质; 其中所述多孔聚合物基质不含阳离子。