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    Method using a dry fluidized bed for producing thin, absorbent surface structures
    31.
    发明申请
    Method using a dry fluidized bed for producing thin, absorbent surface structures 有权
    使用干燥流化床制造薄的吸收性表面结构的方法

    公开(公告)号：US20080015530A1

    公开(公告)日：2008-01-17

    申请号：US11818281

    申请日：2007-06-14

    Applicant: Wolfgang Heider ,  Jurgen Hofmann ,  Mariola Wanior ,  Rudiger Funk ,  Ulrike Licht ,  Michael Ehle

    Inventor： Wolfgang Heider ,  Jurgen Hofmann ,  Mariola Wanior ,  Rudiger Funk ,  Ulrike Licht ,  Michael Ehle

    IPC: A61F13/15

    CPC classification number: A61F13/534 ,  A61F13/15658 ,  A61F13/15699 ,  A61F13/15707 ,  A61F2013/15382 ,  A61L15/58 ,  Y10T442/2484 ,  Y10T442/277 ,  Y10T442/614 ,  C08L33/02 ,  C08L75/04

    Abstract: A process for producing thin absorbent planar structures which may be used in hygiene products such as diapers, incontinence products, wound contact materials or sanitary napkins to absorb body fluids, comprises the steps of: A) producing a mixture of an adhesive in dispersion form and a particulate absorbent by fluidizing the components, B) applying the mixture of adhesive and absorbent uniformly to the surface of one side of a first planar backing material, C) one side of a second planar backing material is applied to the mixture of adhesive and absorbent that is present on the surface of one side of the first planar backing material, so producing a sandwichlike intermediate, and D) the sandwichlike intermediate is processed to the end product at a temperature of at least 90° C., a pressure of from 4 to 50 bar, and a pressing time of from 0.5 to 5 min.

    Abstract translation: 用于生产可用于卫生产品如尿布，失禁产品，缠绕接触材料或卫生巾以吸收体液的薄吸收性平面结构的方法包括以下步骤：A）制备分散形式的粘合剂和 通过使组分流态化的颗粒吸收剂，B）将粘合剂和吸收剂的混合物均匀地施加到第一平面背衬材料的一侧的表面，C）将第二平面背衬材料的一侧施加到粘合剂和吸收剂的混合物 其存在于第一平面背衬材料的一侧的表面上，因此产生夹心状的中间体，D）将夹层状中间体在至少90℃的温度下加工成最终产物，压力为4 至50巴，加压时间为0.5至5分钟。

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