FIBROUS WEB COMPRISING MICROFIBERS DISPERSED AMONG BONDED MELTSPUN FIBERS
    2.
    发明申请
    FIBROUS WEB COMPRISING MICROFIBERS DISPERSED AMONG BONDED MELTSPUN FIBERS 有权
    包含粘结纤维素纤维的微纤维纤维网

    公开(公告)号:US20100258967A1

    公开(公告)日:2010-10-14

    申请号:US12823863

    申请日:2010-06-25

    IPC分类号: D04H3/14

    摘要: A nonwoven fibrous web comprising a matrix of continuous meltspun fibers bonded to a coherent self-sustaining form, and separately prepared microfibers dispersed among the meltspun fibers. The microfibers may have median diameters less than one or two micrometers. A method for preparing such a nonwoven fibrous web comprises establishing a stream of continuous oriented meltspun fibers having a longitudinal axis, establishing a stream of meltblown microfibers that exit a meltblowing die at a point near the stream of meltspun fibers, the meltblown stream being aimed to merge with the meltspun stream and having a longitudinal axis that forms an angle of between 0 and 90 degrees to the longitudinal axis of the meltspun stream, capturing the meltblown fibers in the stream of meltspun fibers, and collecting the merged stream as a web on a collector spaced near the intersection point of the meltspun and meltblown streams.

    摘要翻译: 一种非织造纤维网,其包含结合到相干自持形式的连续熔融纤维基质,以及分散在熔融纤维之间的单独制备的微纤维。 微纤维的中值粒径可以小于1或2微米。 制备这种非织造纤维网的方法包括建立具有纵向轴线的连续定向熔融纤维流,建立熔融微纤维流,其在熔融纤维流附近的点离开熔喷模头,熔喷流瞄准 与熔融物流融合并且具有与熔融物流的纵向轴线成0度到90度之间的角度的纵向轴线,捕获熔融纤维流中的熔喷纤维,并将合并的流体作为纤维网收集在 收集器在熔融物和熔喷流的交点附近间隔开。

    PLEATED FILTER WITH BIMODAL MONOLAYER MONOCOMPONENT MEDIA
    3.
    发明申请
    PLEATED FILTER WITH BIMODAL MONOLAYER MONOCOMPONENT MEDIA 有权
    带双向单声道单声道介质的滤色片

    公开(公告)号:US20100229516A1

    公开(公告)日:2010-09-16

    申请号:US12789053

    申请日:2010-05-27

    IPC分类号: B01D46/52 B01D39/16

    摘要: A pleated filter is made from a monocomponent monolayer nonwoven web containing a bimodal mass fraction/fiber size mixture of intermingled larger size and smaller size continuous monocomponent polymeric fibers of the same polymeric composition. Rows of pleats are formed in the nonwoven web, and the pleated web is cut to a desired size and shape to provide a filter element containing a self-supporting porous monocomponent monolayer matrix of fibers bonded to one another at least some points of fiber intersection and having an average initial submicron efficiency of at least 15% at a 1.52 meters/sec face velocity. The filter element is deformation resistant without requiring stiffening layers, bicomponent fibers or other reinforcing measures in the filter media layer.

    摘要翻译: 褶皱过滤器由单组分单层非织造纤维网制成,其含有相同聚合物组合物的混合较大尺寸和较小尺寸连续单组分聚合物纤维的双峰质量分数/纤维尺寸混合物。 褶皱线形成在非织造纤维网中,并且打褶的纤维网被切割成所需的尺寸和形状,以提供过滤元件,其包含在纤维交叉点的至少某些点处彼此粘合的纤维的自支撑多孔单组分单层基质 并且以1.52米/秒的面速度具有至少15%的平均初始亚微米效率。 过滤元件是抗变形的,不需要过滤介质层中的加强层,双组分纤维或其他增强措施。

    METHOD FOR MAKING SHAPED FILTRATION ARTICLES
    4.
    发明申请
    METHOD FOR MAKING SHAPED FILTRATION ARTICLES 有权
    制作形状过滤文章的方法

    公开(公告)号:US20090315224A1

    公开(公告)日:2009-12-24

    申请号:US12375494

    申请日:2007-07-17

    IPC分类号: B29C39/00 B29C59/00

    摘要: Shaped filtration articles are made from a monocomponent nonwoven web formed by flowing first and second fiber-forming materials of the same polymeric composition through first and second die cavities in respective fluid communication with first and second sets of orifices in a meltblowing die tip. The first fiber-forming material flows at a lesser flow rate or viscosity through the first die cavity and first set of orifices to form a set of smaller size filaments and the second fiber-forming material flows at a greater flow rate or viscosity through the second die cavity and second set of orifices to form a set of larger size filaments. The collected nonwoven web contains a meltblown bimodal mass fraction/fiber size mixture of intermingled continuous microfibers and larger size fibers of the same polymeric composition.

    摘要翻译: 形成的过滤制品由单组分非织造织物制成,所述单组分非织造纤维网通过在熔吹模头中与第一和第二组孔流体连通地通过第一和第二模具腔流动相同聚合物组合物的第一和第二纤维形成材料而形成。 第一纤维形成材料以较小的流速或粘度通过第一模腔和第一组孔流动以形成一组较小尺寸的细丝,并且第二纤维形成材料以较大的流速或粘度流过第二纤维形成材料 模腔和第二组孔以形成一组较大尺寸的细丝。 收集的非织造纤维网含有相同聚合物组合物的混合连续微纤维和较大尺寸纤维的熔喷双峰质量分数/纤维尺寸混合物。

    Consumer scrubbing wipe article and method of making same
    6.
    发明授权
    Consumer scrubbing wipe article and method of making same 有权
    消费者擦洗文章和制作方法

    公开(公告)号:US07829478B2

    公开(公告)日:2010-11-09

    申请号:US10167045

    申请日:2002-06-11

    IPC分类号: B32B27/12

    摘要: A consumer scrubbing wipe article including a nonwoven substrate and a texture layer. The nonwoven substrate has a dry basis weight of less than about 300 g/m2, and thus promotes easy, comfortable handling by a user. The texture layer is a non-crosslinked, abrasive resin-based material that is printed onto at least one surface of the nonwoven substrate. In this regard, the texture layer covers less than an entirety of the substrate surface and extends at least 50 microns outwardly beyond the substrate surface to which it is printed. This characteristic ensures that the scrubbing wipe article has a distinct scrubbyness attribute.

    摘要翻译: 消费者擦拭擦拭物品,其包括非织造基底和纹理层。 非织造基材的干基重量小于约300g / m 2,从而促进使用者容易,舒适的处理。 纹理层是印刷在非织造衬底的至少一个表面上的非交联的磨料树脂基材料。 在这方面,纹理层覆盖小于整个衬底表面,并且向外延伸至少50微米,超过其所印刷的衬底表面。 该特征确保擦洗擦拭物品具有不同的洗涤属性。

    MONOCOMPONENT MONOLAYER MELTBLOWN WEB AND MELTBLOWING APPARATUS
    7.
    发明申请
    MONOCOMPONENT MONOLAYER MELTBLOWN WEB AND MELTBLOWING APPARATUS 有权
    单声道单声道麦克风和麦克风设备

    公开(公告)号:US20100201041A1

    公开(公告)日:2010-08-12

    申请号:US12765533

    申请日:2010-04-22

    IPC分类号: B29C67/00

    摘要: A porous monocomponent nonwoven web contains a bimodal mass fraction/fiber size mixture of intermingled continuous microfibers and larger size fibers of the same polymeric composition. There are at least five times as many microfibers as larger size fibers, and a histogram of the mass fraction of fibers vs. fiber size exhibits a larger size fiber mode greater than 10 μm. The web may be made by flowing fiber-forming material through a die cavity having larger size orifices and at least five times as many smaller size orifices to form filaments, attenuating the filaments into fibers and collecting the attenuated fibers to form the nonwoven web. The web is especially well suited to the manufacture of self-supporting three dimensional articles such as molded cup-shaped respirators and pleated air filters.

    摘要翻译: 多孔单组分非织造纤维网含有相同聚合物组合物的混合连续微纤维和较大尺寸纤维的双峰质量分数/纤维尺寸混合物。 与较大尺寸纤维相比,至少有五倍的微纤维,纤维质量分数与纤维尺寸的直方图显示出大于10μm的较大尺寸纤维模式。 纤维网可以通过使纤维形成材料流过具有较大尺寸孔的模腔并且至少五倍于更小尺寸的孔以形成长丝,将长丝衰减成纤维并收集减弱的纤维以形成非织造纤维网而制成。 纤维网特别适用于制造自支撑三维制品,例如模制的杯形呼吸器和打褶空气过滤器。

    PLEATED FILTER WITH BIMODAL MONOLAYER MONOCOMPONENT MEDIA
    9.
    发明申请
    PLEATED FILTER WITH BIMODAL MONOLAYER MONOCOMPONENT MEDIA 有权
    带双向单声道单声道介质的滤色片

    公开(公告)号:US20080022643A1

    公开(公告)日:2008-01-31

    申请号:US11461307

    申请日:2006-07-31

    IPC分类号: B01D46/00

    摘要: A pleated filter is made from a monocomponent monolayer nonwoven web containing a bimodal mass fraction/fiber size mixture of intermingled larger size and smaller size continuous monocomponent polymeric fibers of the same polymeric composition. Rows of pleats are formed in the nonwoven web, and the pleated web is cut to a desired size and shape to provide a filter element containing a self-supporting porous monocomponent monolayer matrix of fibers bonded to one another at at least some points of fiber intersection and having an average initial submicron efficiency of at least 15% at a 1.52 meters/sec face velocity. The filter element is deformation resistant without requiring stiffening layers, bicomponent fibers or other reinforcing measures in the filter media layer.

    摘要翻译: 褶皱过滤器由单组分单层非织造纤维网制成,其含有相同聚合物组合物的混合较大尺寸和较小尺寸连续单组分聚合物纤维的双峰质量分数/纤维尺寸混合物。 褶皱线形成在非织造纤维网中,并且打褶的纤维网被切割成所需的尺寸和形状,以提供过滤元件,其包含在纤维交叉点的至少某些点处彼此粘合的纤维的自支撑多孔单组分单层基质 并且以1.52米/秒的面速度具有至少15%的平均初始亚微米效率。 过滤元件是抗变形的,不需要过滤介质层中的加强层,双组分纤维或其他增强措施。