ELASTIC NONWOVEN FIBROUS WEBS AND METHODS OF MAKING AND USING
    2.
    发明申请
    ELASTIC NONWOVEN FIBROUS WEBS AND METHODS OF MAKING AND USING 有权
    弹性非织造纤维织物及其制备和使用方法

    公开(公告)号:US20110256791A1

    公开(公告)日:2011-10-20

    申请号:US13141185

    申请日:2009-12-16

    摘要: Nonwoven fibrous webs include elastic filaments such that the web as a whole exhibits elastic properties when stretched. The webs include a multiplicity of nonwoven fibers and at least one elastic filament entangled with at least a portion of the nonwoven fibers to form a self-supporting, cohesive, elastic nonwoven fibrous web. Methods of making such elastic nonwoven fibrous webs using hydro-entanglement, and uses of such webs to form articles are also described.

    摘要翻译: 非织造纤维网包括弹性长丝,使得幅材作为整体在拉伸时显示出弹性。 纤维网包括多个非织造纤维和至少一个与至少一部分非织造纤维缠结的弹性丝,以形成自支撑的,内聚弹性的非织造纤维网。 还描述了使用水缠结制造这种弹性非织造纤维网的方法,以及这种网的使用形成制品的方法。

    Hook fastener and method of making
    3.
    发明授权
    Hook fastener and method of making 失效
    钩扣和制作方法

    公开(公告)号:US07014906B2

    公开(公告)日:2006-03-21

    申请号:US10686324

    申请日:2003-10-14

    IPC分类号: B32B3/06

    摘要: The present invention is directed at a hook mechanical fastener/fibrous composite comprising hook elements on hook containing backing elements or a netting embedded in a fibrous web. The hook elements preferably are on backing elements that are connected or integral and can be strands oriented at angles to each other in a net form. The backing elements generally have a first outer face and a second outer face. The backing elements on at least one of the first or second outer faces have a plurality of hook elements. The hook containing backing elements are embedded within a fibrous web, preferably by hydroentangling the fibers around the backing element, preferably without use of auxiliary attachment means such as adhesives or point bonding.

    摘要翻译: 本发明涉及一种钩式机械紧固件/纤维复合材料,其包括钩状元件在钩上,包含背衬元件或嵌入纤维网中的网。 钩元件优选地在连接或整体的背衬元件上,并且可以以网状彼此成角度地定向。 背衬元件通常具有第一外表面和第二外表面。 第一或第二外表面中的至少一个上的背衬元件具有多个钩元件。 优选地,通过将​​纤维围绕背衬元件水力缠绕,优选不使用诸如粘合剂或点粘合的辅助附接装置,将含有钩的衬垫元件嵌入纤维网内。

    Nonwoven elastic fibrous webs and methods for making them
    4.
    发明授权
    Nonwoven elastic fibrous webs and methods for making them 有权
    非织造弹性纤维网及其制造方法

    公开(公告)号:US07744807B2

    公开(公告)日:2010-06-29

    申请号:US11462817

    申请日:2006-08-07

    IPC分类号: B28B3/20

    摘要: A coherent nonwoven fibrous web comprises directly formed elastic fibers that have a molecular orientation sufficient to provide a birefringence number of at least 1×10−5 and preferably at least 1×10−2. The web can be made by a method that comprises a) extruding filaments of elastic-fiber-forming material; b) directing the filaments through a processing chamber in which gaseous currents apply a longitudinal stress to the filaments that attenuates and draws the filaments; c) maintaining the filaments at their orienting temperature while the filaments are under attenuating and drawing stress for a sufficient time for molecules within the filaments to become oriented along the length of the filaments; d) cooling the filaments to their orientation-locking temperature while the filaments are under attenuating and drawing stress and further cooling the filaments to a solidified fiber form; and e) collecting the solidified fibers as a fibrous nonwoven web. In a preferred aspect, the method includes the further step of annealing the collected fibers by exposing them to a temperature that is above their shrinking temperature but less than their relaxation temperature, and preferably bonding the fibers after (or before) the annealing step. Dimensionally stable webs comprising elastic oriented fibers are obtained.

    摘要翻译: 相干非织造纤维网包括直接形成的弹性纤维,其具有足以提供至少1×10 -5,优选至少1×10 -2的双折射数的分子取向。 纤维网可以通过以下方法制成:a)挤出成形弹性纤维材料的长丝; b)引导细丝通过处理室,其中气流对长丝施加纵向应力,该长丝应力衰减并拉伸长丝; c)将长丝保持在它们的定向温度,同时长丝处于衰减和拉伸应力足够长的时间,使细丝内的分子变得沿着长丝的长度取向; d)当细丝处于衰减和拉伸应力下并将细丝进一步冷却至固化的纤维形式时,将长丝冷却至定向锁定温度; 和e)收集作为纤维非织造纤维网的固化纤维。 在一个优选的方面,该方法包括通过将收集的纤维暴露于高于其收缩温度但小于其松弛温度的温度并优选在退火步骤之后(或之前)粘结纤维来退火所收集的纤维的另外步骤。 获得包含弹性取向纤维的尺寸稳定的纤维网。

    FIBROUS WEB COMPRISING MICROFIBERS DISPERSED AMONG BONDED MELTSPUN FIBERS
    6.
    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
    7.
    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
    8.
    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。

    COEXTRUDED POLYMER FILM CONFIGURED FOR SUCCESSIVE IRREVERSIBLE DELAMINATION
    9.
    发明申请
    COEXTRUDED POLYMER FILM CONFIGURED FOR SUCCESSIVE IRREVERSIBLE DELAMINATION 审中-公开
    配置用于继续不可逆分层的聚合聚合物膜

    公开(公告)号:US20140065397A1

    公开(公告)日:2014-03-06

    申请号:US13596425

    申请日:2012-08-28

    IPC分类号: B32B27/08 B32B27/32 B32B27/36

    摘要: Multilayered polymer films are configured so that successive constituent layer packets can be delaminated in continuous sheet form from the remaining film. The new films are compatible with known coextrusion manufacturing techniques, and can also be made without the use of adhesive layers between layer packets that are tailored to be individually peelable from the remainder of the film. Instead, combinations of polymer compositions are used to allow non-adhesive polymer layers to be combined in such a way that delamination of the film is likely to occur along a plurality of delamination surfaces corresponding to interfaces between particular pairs of layers for which the peel strength is reduced relative to the peel strength at other layer interfaces within the film. The absence of an adhesive between peelable layer packets results in the delamination being irreversible.

    摘要翻译: 多层聚合物膜被配置成使得连续的构成层包可以从剩余的膜以连续的片状形式分层。 新的膜与已知的共挤出制造技术相兼容,并且也可以在层数据包之间不使用粘合剂层进行制造,这些层被定制成能够与膜的其余部分单独剥离。 相反,使用聚合物组合物的组合来使非粘合聚合物层以这样的方式组合,使得可能沿着对应于特定成对层之间的界面的多个分层表面发生膜的分层,剥离强度 相对于膜内其它层界面处的剥离强度而降低。 剥离层包之间不存在粘合剂导致分层不可逆。