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公开(公告)号：US06548431B1
公开(公告)日：2003-04-15
申请号：US09467166
申请日：1999-12-20
IPC分类号： D04H100
CPC分类号： D04H3/16 , D01F6/62 , D01F8/14 , D04H3/14 , Y10T442/60 , Y10T442/637 , Y10T442/638 , Y10T442/64 , Y10T442/668 , Y10T442/671 , Y10T442/68
摘要： This invention provides a process for making a nonwoven sheet of substantially continuous melt spun fibers by extruding melt spinnable polymer containing at least 30% by weight low IV poly(ethylene terephthalate), drawing the extruded fiber filaments at a rate of at least 6000 m/min, laying the fiber filaments down on a collection surface, and bonding the fiber filaments together to form a nonwoven sheet. The invention further provides a nonwoven sheet comprised of at least 30% by weight poly(ethylene terephthalate) having an intrinsic viscosity of less than 0.62 dl/g, where the sheet has a basis weight of less than 125 g/m2, and a grab tensile strength of at least 0.7 N/(g/m2).
摘要翻译： 本发明提供了一种通过挤出含有至少30重量％的低聚IV（对苯二甲酸乙二醇酯）至少30重量％的熔融纺丝聚合物制造基本连续的熔融纺丝纤维的非织造片材的方法，以至少6000m / min，将纤维丝放置在收集表面上，并将纤维丝结合在一起形成非织造纸。 本发明还提供了一种非织造片材，其由至少30重量％的特性粘度小于0.62dl / g的聚（对苯二甲酸乙二醇酯）组成，其中片材的基重小于125g / m 2， 拉伸强度至少为0.7N /（g / m2）。
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公开(公告)号：US06831025B2
公开(公告)日：2004-12-14
申请号：US09883471
申请日：2001-06-18
IPC分类号： D04H316
CPC分类号： B32B5/26 , B32B5/022 , B32B2262/0253 , B32B2262/0276 , D01D5/0985 , D01F8/06 , D01F8/14 , D04H3/007 , D04H3/147 , D04H3/16 , Y10T428/2929 , Y10T428/2931 , Y10T442/16 , Y10T442/164 , Y10T442/637 , Y10T442/638 , Y10T442/641 , Y10T442/66 , Y10T442/668 , Y10T442/671 , Y10T442/68 , Y10T442/681
摘要： A spunbond nonwoven fabric is provided which is formed from continuous multiple component filaments which include a polyester component and a polyethylene component. The polyethylene component is a blend of high density polyethylene and a first linear low density polyethylene. The spunbond filaments are preferably formed in a sheath-core configuration with the polyester component in the core and the polyethylene component in the sheath. Composite sheets are provided which include the multiple component spunbond layer and a meltblown layer, wherein the meltblown fibers include a second linear low density polyethylene. The linear low density polyethylenes are preferably formed by polymerization of ethylene with an alpha-olefin co-monomer, where the same co-monomer is used in each of the first and second linear low density polyethylenes.
摘要翻译： 提供由连续的多组分长丝形成的纺粘非织造织物，其包括聚酯组分和聚乙烯组分。 聚乙烯组分是高密度聚乙烯和第一线性低密度聚乙烯的共混物。 纺粘长丝优选以皮芯形式形成，其中聚酯组分在芯中，聚乙烯组分在鞘中。 提供了包括多组分纺粘层和熔喷层的复合片材，其中熔喷纤维包括第二线性低密度聚乙烯。 线性低密度聚乙烯优选通过乙烯与α-烯烃共聚单体的聚合形成，其中在第一和第二线性低密度聚乙烯中的每一种中使用相同的共聚单体。
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公开(公告)号：US06605248B2
公开(公告)日：2003-08-12
申请号：US09681683
申请日：2001-05-21
IPC分类号： D01D532
CPC分类号： D01D5/0985 , D01D5/32
摘要： The present invention is directed to a process for forming a plurality of multi-layered filaments from multiple thermoplastic synthetic polymers and an apparatus containing a melt spinning beam which comprises multiple polymer inlet passages each communicating with separate multiple coat hanger distribution manifolds, separate filters connected downstream of each coat hanger distribution manifold, a combining manifold connected downstream of said filters and spinneret orifices connected downstream of said combining manifold for spinning of said multi-layered filaments.
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4.发明申请公开(公告)号：US20090295028A1
公开(公告)日：2009-12-03
申请号：US12156459
申请日：2008-05-30
IPC分类号： B29C47/04
CPC分类号： D01D5/0985 , D01D4/06 , D01D5/32
摘要： The present invention is directed to a process for forming a plurality of multi-layered filaments from multiple thermoplastic synthetic polymers and an apparatus containing a melt spinning beam which comprises multiple polymer inlet passages each communicating with separate multiple coat hanger distribution manifolds, separate filters connected downstream of each coat hanger distribution manifold, a combining manifold connected downstream of the filters and containing channels to retard polymer flow across planar molten polymer flow streams and a spinneret comprising a plurality of spinneret exit orifices connected downstream of the combining manifold for spinning of the multi-layered filaments.
摘要翻译： 本发明涉及一种用于从多种热塑性合成聚合物形成多根多层细丝的方法，以及包含熔融纺丝束的装置，该装置包括多个聚合物入口通道，每个聚合物入口通道与单独的多个衣架分配歧管连通，分离的过滤器连接在下游 每个衣架分配歧管是连接在过滤器下游并包含通道以阻止聚合物流过平面熔融聚合物流动流的组合歧管，以及喷丝板，其包括连接在组合歧管下游的多个喷丝板出口孔， 层状细丝。
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公开(公告)号：US07008207B2
公开(公告)日：2006-03-07
申请号：US10760575
申请日：2004-01-20
IPC分类号： D01D5/26
CPC分类号： D01D5/34 , D01D4/025 , D01D5/0985 , D01D5/30 , D01D5/32 , D01F8/06 , D01F8/14 , D04H1/4382 , D04H1/559 , D04H1/56 , Y10S425/217 , Y10T442/60 , Y10T442/637
摘要： An extrusion die for meltblowing molten polymers having a row of die orifices each having at least two separate polymer supply ports entering from an entrance portion of the die, each of the polymer supply ports communicating with separate rows of extrusion capillaries having exit openings at an exit portion of the die, gas supply ports entering from the entrance portion of the die and arranged laterally to the polymer supply ports, the gas supply ports communicating with gas jets extending through the die and arranged laterally to the exit openings of the extrusion capillaries, wherein the rows of extrusion capillary exit openings and the gas jets communicate with a blowing orifice in the exit portion of the die.
摘要翻译： 一种用于熔融熔融聚合物的挤出模具，其具有一排模头孔口，每排模具孔口具有从模具的入口部分进入的至少两个分开的聚合物供给口，每个聚合物供给口与分开的挤出毛细管排连通，在排出口处具有出口 模具的一部分，气体供应端口从模具的入口部分进入并且横向布置到聚合物供应端口，气体供应口与气体喷嘴连通，该喷嘴延伸穿过模具并横向设置在挤出毛细管的出口处，其中 挤出毛细管出口开口排和气体射流与模具的出口部分中的吹出孔连通。
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公开(公告)号：US08093161B2
公开(公告)日：2012-01-10
申请号：US10256626
申请日：2002-09-27
申请人： Vishal Bansal , Michael C. Davis , Thomas Michael Ford , Debora Flanagan Massouda , Edgar N. Rudisill , Harry Vaughn Samuelson , Hyunkook Shin , Gregory Paul Weeks
发明人： Vishal Bansal , Michael C. Davis , Thomas Michael Ford , Debora Flanagan Massouda , Edgar N. Rudisill , Harry Vaughn Samuelson , Hyunkook Shin , Gregory Paul Weeks
IPC分类号： D04H5/00
CPC分类号： D04H1/42 , D01F8/06 , D01F8/12 , D01F8/14 , Y10T442/60 , Y10T442/608 , Y10T442/609 , Y10T442/61 , Y10T442/611 , Y10T442/627 , Y10T442/665
摘要： The invention relates to nonwoven fabrics containing polymeric multiple component fibers which include a core component and a plurality of wing components attached to the core. The polymeric core component has an elasticity that is greater than the elasticity of at least one of the wing polymeric components. The fibers assume a spiral twist configuration in which the plurality of wings substantially spiral about the core. In a preferred embodiment, the nonwoven fabrics have elastic stretch and recovery properties with a textile-like hand.
摘要翻译： 本发明涉及包含聚合多组分纤维的非织造织物，其包括核心部件和附接到芯部的多个翼部件。 聚合物芯组分具有大于至少一种翼聚合物组分的弹性的弹性。 纤维呈现螺旋扭曲构型，其中多个翼片围绕芯部基本上螺旋形。 在优选的实施方案中，无纺布具有类似纺织品的手的弹性拉伸和恢复性能。
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7.发明授权Process and apparatus for making multicomponent meltblown web fibers and webs 有权制造多组分熔喷纤维网和纤维网的方法和设备公开(公告)号：US06776858B2
公开(公告)日：2004-08-17
申请号：US09915688
申请日：2001-07-26
IPC分类号： D01D526
CPC分类号： D01D5/34 , D01D4/025 , D01D5/0985 , D01D5/30 , D01D5/32 , D01F8/06 , D01F8/14 , D04H1/4382 , D04H1/559 , D04H1/56 , Y10S425/217 , Y10T442/60 , Y10T442/637
摘要： A process for forming multiple component meltblown fibers by extruding a first distinct melt-processable polymer through a row of first extrusion orifices, simultaneously extruding a second distinct melt-processable polymer through a row of second extrusion orifices, fusing the first and second melt-processable polymers into extruded composite filaments after extrusion, and pneumatically attenuating and breaking the extruded composite filaments with jets of high velocity gas so as to form the multiple component meltblown fibers.
摘要翻译： 通过将第一不同的可熔融加工的聚合物挤压通过一排第一挤出孔而形成多组分熔喷纤维的方法，同时将第二不同的可熔融加工的聚合物挤压通过一排第二挤出孔，将第一和第二可熔融加工的聚合物 聚合物在挤出后成为挤出的复合长丝，并用高速气体喷射气流减弱和破坏挤出的复合长丝，以形成多组分熔喷纤维。
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8.发明授权公开(公告)号：US06773531B2
公开(公告)日：2004-08-10
申请号：US09681682
申请日：2001-05-21
IPC分类号： D04H316
CPC分类号： D01D5/0985 , B29L2031/731 , D01D5/32 , D01F8/06 , D01F8/14
摘要： The present invention is directed to a process for forming a plurality of multi-layered filaments from multiple thermoplastic synthetic polymers and an apparatus containing a melt spinning beam comprising an orthogonal beam having disposed within said beam multiple polymer inlet passages each communicating with separate multiple coat hanger distribution manifolds, separate filters connected downstream of each coat hanger distribution manifold, a spinneret connected downstream of said filters with separate polymer flow passages communicating with separate exit orifices for spinning of said multi-layered filaments.
摘要翻译： 本发明涉及一种用于从多种热塑性合成聚合物形成多根多层细丝的方法，以及一种包含熔融纺丝束的装置，该熔融纺丝束包括设置在所述束多个聚合物入口通道内的正交梁，每个通道与单独的多层衣架连通 分配歧管，连接在每个衣架分配歧管下游的分离的过滤器，连接在所述过滤器下游的喷丝头，其中分离的聚合物流动通道与用于纺丝所述多层细丝的单独的出口相连通。
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公开(公告)号：US06887423B2
公开(公告)日：2005-05-03
申请号：US10253292
申请日：2002-09-24
IPC分类号： D01D5/08 , D01F8/06 , D01F8/14 , D04H3/02 , D04H3/14 , D04H3/16 , D01D5/088 , D01D5/16 , D01D5/22 , D01D5/32 , D01D5/34
CPC分类号： D04H3/16 , D01F8/06 , D01F8/14 , D04H3/02 , D04H3/14 , Y10T442/601 , Y10T442/627 , Y10T442/638 , Y10T442/641 , Y10T442/681
摘要： A process for preparing nonwoven webs including multiple component continuous filaments having high levels of three-dimensional helical crimp utilizing draw rolls to provide a high degree of orientation to each of the polymeric components by mechanically drawing the filaments under conditions wherein the polymeric components remain substantially amorphous and a stretchable nonwoven web including multiple component, continuous filaments having high levels of three-dimensional helical crimp.
摘要翻译： 一种制备非织造纤维网的方法，其包括具有高水平的三维螺旋卷曲的多组分连续长丝，其使用拉伸辊，以通过在其中聚合物组分保持基本上无定形的条件下机械拉伸长丝来提供每种聚合物组分的高度取向 以及包括多组分的可拉伸非织造纤维网，具有高水平的三维螺旋卷曲的连续长丝。
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公开(公告)号：US11090589B2
公开(公告)日：2021-08-17
申请号：US15435845
申请日：2017-02-17
摘要： An improved stretchable filtration fabric laminate is provided. The laminate includes a first fabric layer and a nanofiber layer. The laminate may be stretched without damaging the laminate. The laminate is thus suitable for incorporation into wearable protective garments, such as protective hoods, balaclavas, scarves, etc. that provide both protection and air filtration to the wearer.
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