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    • 2. 发明申请
    • Absorbent hydrogel composites
    • 吸水性水凝胶复合材料
    • US20060251880A1
    • 2006-11-09
    • US11287174
    • 2005-11-23
    • Hugh MunroPhilip AndrewsSusana Sainz Garcia
    • Hugh MunroPhilip AndrewsSusana Sainz Garcia
    • B32B3/26
    • A61L15/425A61L15/60Y10T428/249953Y10T442/3935
    • The invention provides an absorbent material or article comprising an absorbent hydrogel composite sheet. The sheet includes an absorbent layer part having two major faces which comprises a flexible plasticised hydrophilic polymer matrix having an internal cellular structure, and a second part which comprises a flexible plasticised hydrophilic polymer matrix having a relatively continuous internal structure. The second part may be associated with the layer part such that the second part infiltrates some but not all of the cellular voids of the absorbent layer part over a major face of the absorbent layer part. Alternatively, the second part may be associated with the layer part such that the second part overlies a major face of the absorbent layer part. By this arrangement, some but not all of the absorbent layer part is effectively exposed for absorption of external water or other fluid through the side of the sheet corresponding to that said major face of the absorbent layer.
    • 本发明提供了一种包含吸收性水凝胶复合片材的吸收材料或制品。 片材包括具有两个主表面的吸收层部分,其包含具有内部细胞结构的柔性增塑的亲水性聚合物基质,和包含具有相对连续的内部结构的柔性增塑的亲水性聚合物基质的第二部分。 第二部分可以与层部分相关联,使得第二部分在吸收层部分的主表面上渗透吸收层部分的一些但不是全部的细胞空隙。 或者,第二部分可以与层部分相关联,使得第二部分覆盖在吸收层部分的主表面上。 通过这种布置,一些但不是全部的吸收层部分被有效地暴露以吸收外部水或其它流体通过与吸收层的所述主面对应的片材的侧面。
    • 3. 发明授权
    • Multilayer compositions and dressings
    • 多层组合物和敷料
    • US08871992B2
    • 2014-10-28
    • US13260669
    • 2010-03-24
    • Hugh Semple MunroPhilip Andrews
    • Hugh Semple MunroPhilip Andrews
    • A61F13/00
    • A61F13/0203A61L15/60
    • The invention provides a layered composition comprising: a first layer comprising a first material, wherein the first material comprises a gel material; a second layer comprising a second material, wherein the second material is harder is than the first material; and a third layer comprising a third material, wherein the third material has a lower tensile modulus than the second material, wherein the second layer is disposed between the first and third layers. The composition may be used in a wound dressing, in which preferably the first layer is in fluid flow communication with the wound.
    • 本发明提供一种分层组合物,其包含:第一层,其包含第一材料,其中所述第一材料包含凝胶材料; 包括第二材料的第二层,其中所述第二材料比所述第一材料更硬; 以及包括第三材料的第三层,其中所述第三材料具有比所述第二材料低的拉伸模量,其中所述第二层设置在所述第一层和所述第三层之间。 组合物可以用于伤口敷料中,其中优选地,第一层与伤口流体连通。
    • 10. 发明申请
    • Hydrogel composites
    • 水凝胶复合材料
    • US20050287191A1
    • 2005-12-29
    • US11146276
    • 2005-06-07
    • Hugh MunroPhilip AndrewsGareth JeffreySusana Sainz Garcia
    • Hugh MunroPhilip AndrewsGareth JeffreySusana Sainz Garcia
    • C08F2/44A61K9/70
    • C08F2/44Y10T442/2566
    • A method for producing a hydrogel/fibre composite comprises: impregnating fibres of a fibrous material with a precursor solution comprising at least one polymerisable, and optionally also crosslinkable, monomer such that at least partial swelling of the fibres takes place; and polymerising, and optionally also crosslinking, the at least one monomer after impregnation and at least partial swelling of the fibres such that the integrity of the fibrous material is at least partially preserved in the resulting hydrogel/fibre composite, provided that the crosslinking is not initiated solely by cation release from the fibres of the fibrous material. The invention provides a hydrogel/fibre composite prepared or preparable by the said method. The hydrogel/fibre composite may be adhesive to human skin with good properties of performance and subsequent painless removal. The composite is found to maintain acceptable strength and structural integrity on hydration or across one or more hydration/dehydration cycle, and thus finds use in, for example, biomedical products where this property is required.
    • 制备水凝胶/纤维复合材料的方法包括:用包含至少一种可聚合和任选地可交联的单体的前体溶液浸渍纤维材料的纤维,使得发生纤维的至少部分溶胀; 并且在浸渍之后聚合和任选地还交联至少一种单体,并且纤维的至少部分溶胀,使得纤维材料的完整性至少部分地保留在所得水凝胶/纤维复合材料中,条件是交联不是 仅由纤维材料纤维的阳离子释放引发。 本发明提供了通过所述方法制备或制备的水凝胶/纤维复合材料。 水凝胶/纤维复合材料可以具有良好的性能性能和随后的无痛去除对人体皮肤的粘合性。 发现复合材料在水合或一个或多个水化/脱水循环中保持可接受的强度和结构完整性,因此可用于例如需要该性质的生物医学产品。