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    • 70. 发明申请
    • Apparatus of feedback control for the placement of a polymer composition into a web
    • 用于将聚合物组合物置于网中的反馈控制装置
    • US20020088396A1
    • 2002-07-11
    • US09982250
    • 2001-10-16
    • James Michael CaldwellGeorge Schmermund
    • B05C011/00
    • D21H25/06A61L15/26A61L15/52B05C3/18B05C11/02B05C11/04C08J9/40C08J9/42C08J2205/05C08J2427/00C08J2433/00C08J2475/00C08J2483/00C14C9/00C14C11/00D04H1/655D04H1/66D06B15/08D06M15/256D06M15/263D06M15/3568D06M15/564D06M15/643D06M15/653D06M15/657D06M2101/06D06M2101/12D06M2101/26D06M2101/32D06M2101/34D06M2200/12D06N3/0002D06N3/047D06N3/12D06N3/128D21H17/59D21H19/32C08L83/04
    • The present invention relates to methods and apparatus for the controlled placement of a shear-thinnable polymer composition into a moving web. The controlled placement is preferably performed by applying the polymer composition onto a surface of a moving web, shear thinning the composition and placing it into the web, and curing the polymer composition. A preferred apparatus includes one or more process heads that has mounted thereto a rigid knife blade for engagement with the moving web. The knife blade is movable vertically and rotationally. The process head is also movable horizontally along the path of the moving web. A plurality of macro and micro tension zones are established and are monitored for controlling the apparatus and process. Additional measurements of web density, micro porosity, placement of an internal layer of polymer within the web, analysis of elements on the treated web, and the size of the polymer bead applied to the moving web are measured for controlling online the apparatus and the process of this invention. This method and apparatus produces webs that either has some of its structural elements encapsulated by the polymer composition while at least some of the interstitial spaces of the web are open; or has an internal layer extending through the web in a direction generally spaced from at least one major surface thereof; or has both encapsulated structural elements and an internal layer of polymer composition.
    • 本发明涉及用于将剪切稀释聚合物组合物控制放置到移动网中的方法和装置。 优选通过将聚合物组合物施加到活动纤维网的表面上进行控制的放置,剪切使组合物变薄并将其放入网中,并固化聚合物组合物。 一种优选的装置包括一个或多个工艺头,其中已经安装有用于与移动网接合的刚性刀片。 刀片可以垂直和旋转移动。 处理头也可以沿着移动幅材的路径水平移动。 建立并监测多个宏观和微张力区域以控制装置和过程。 测量幅面密度,微孔隙率,网内聚合物的位置,处理过的纤维网上的元素分析以及施加到移动纤维网上的聚合物珠粒的尺寸,以便在线控制设备和方法 的本发明。 该方法和装置产生纤维网,其纤维网具有由聚合物组合物包封的一些结构元件,而幅材的至少一些间隙空间是开放的; 或者具有在与其至少一个主表面大致间隔开的方向上延伸穿过幅材的内层; 或具有包封的结构元件和聚合物组合物的内层。