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公开(公告)号：US11629441B2
公开(公告)日：2023-04-18
申请号：US16494416
申请日：2018-03-28
发明人： Chihiro Masuda , Takayuki Ogawa , Shinichi Okajima
IPC分类号： D04H1/425 , D04H1/4258 , D04H3/013 , D06C23/04 , D21H13/08
摘要： Provided is a cellulose fiber nonwoven fabric with compacted parts that is beautiful even when dry. The cellulose fiber nonwoven fabric is characterized in that: the fabric has compacted parts; the percentage of recesses due to the compacting is 9-25%; the transverse rupture strength is at least 15 N; the transmittance of the compacted parts when dry is 3-25%; and the fabric weight is 30 g/m2 to 110 g/m2.
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公开(公告)号：US20230051927A1
公开(公告)日：2023-02-16
申请号：US17787028
申请日：2020-12-11
摘要： The invention relates to a process (100, 101) for the production of spunbonded nonwovens (1.1, 1.2, 1.3) and a device (200, 201) for the production of spunbonded nonwovens (1.1, 1.2, 1.3), wherein, in the process (100, 101), a spinning mass (2) is extruded through a plurality of nozzle holes (4.1, 4.2, 4.3) of at least a first spinneret (3.1) and a second spinneret (3.2) to form filaments (5.1, 5.2, 5.3) and the filaments (5.1, 5.2, 5.3) are drawn, in each case, in the extrusion direction, with the filaments (5.1) of the first spinneret (3.1) being deposited on the conveyor belt (9) to form a first spunbonded nonwoven (1.1) and the filaments (5.2) of the second spinneret (3.2) being deposited on the conveyor belt (9) to form a second spunbonded nonwoven (1.2) over the first spunbonded nonwoven (1.1) in order to obtain a multi-layered spunbonded nonwoven (10). For increasing the throughput of the process, it is suggested that the multi-layered spunbonded nonwoven (10) is separated into at least the first spunbonded nonwoven (1.1) and the second spunbonded nonwoven (1.2) in a subsequent step and the first and second spunbonded nonwovens (1.1, 1.2) after separation each undergo a hydroentanglement (15.1, 15.2) and optionally a drying (12) individually and/or are each wound up individually.
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公开(公告)号：US20220106719A1
公开(公告)日：2022-04-07
申请号：US17299828
申请日：2019-12-04
摘要： A plant (1) for the production of spunbonded nonwoven (8), comprising a spinning solution production (3), a spinning system (2), a device (6) for the delivery of coagulation liquid, at least one conveying device (7, 9) for depositing the spunbonded nonwoven (8), and a collecting device (13) for the spunbonded nonwoven (8), wherein at least one discharge device (14) is provided between the device (6) for the delivery of coagulation liquid and the collecting device (13) for the spunbonded nonwoven (8).
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公开(公告)号：US20210363690A1
公开(公告)日：2021-11-25
申请号：US17324155
申请日：2021-05-19
申请人： Berry Global, Inc.
发明人： Lei Wang , Nyle Bishop , Fernando Marin
IPC分类号： D06M15/277 , D06M10/02 , D06M15/256 , D04H3/013 , D04H3/007 , D04H3/11
摘要： A fabric suitable as an alcohol repellent fabric is provided. The fabric includes a fibrous substrate including a first outermost surface and a second outermost surface, in which a digitally printed or sprayed alcohol repellent composition is located on at least a portion the first outermost surface, at least a portion of the second outermost surface, or both. The fabric also includes an antistatic composition located on at least a portion the first outermost surface, at least a portion of the second outermost surface, or both.
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公开(公告)号：US11091606B2
公开(公告)日：2021-08-17
申请号：US14247544
申请日：2014-04-08
发明人： Gregory Charles Gordon , Jacqueline Besinaiz Thomas , Elaine Marie Suszcynsky-Meister , Mark Robert Sivik , Gregory Scot Miracle
IPC分类号： C08L3/02 , D04H3/013 , D04H3/16 , D01F2/00 , D04H3/007 , D01F1/06 , D04H3/009 , D04H3/00 , C08L1/28 , C08L1/02 , D04H1/425 , D04H1/4382
摘要： Fibrous structures, for example sanitary tissue products, containing a plurality of filaments that employ one or more filament-forming materials, such as one or more hydroxyl polymers, and one or more hueing agents, present within the filaments such that the fibrous structures exhibit a Whiteness Index of greater than 72 as measured according to the Whiteness Index Test Method described herein.
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公开(公告)号：US11008672B2
公开(公告)日：2021-05-18
申请号：US16244699
申请日：2019-01-10
发明人： Franz Dürnberger , Sigrid Redlinger , Christoph Schrempf , Hartmut Rüf , Heinrich Firgo , Gert Kroner
IPC分类号： D21H13/08 , D04H1/28 , D04H3/013 , D04H1/4258 , D01D5/06 , D01F2/02 , D01F2/24 , C08B37/00 , C08L5/00 , D01F9/00 , C08L1/02 , D01F2/00
摘要： The present invention relates to a method for the production of polysaccharide fibers which, as a fiber-forming substance, comprise a mixture of cellulose and α(1→3)-glucan, as well as to the fibers made thereof and to their use.
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公开(公告)号：US20210115604A1
公开(公告)日：2021-04-22
申请号：US16494416
申请日：2018-03-28
发明人： Chihiro Masuda , Takayuki Ogawa , Shinichi Okajima
IPC分类号： D04H1/4258 , D04H3/013 , D06C23/04 , D21H13/08
摘要： Provided is a cellulose fiber nonwoven fabric with compacted parts that is beautiful even when dry. The cellulose fiber nonwoven fabric is characterized in that: the fabric has compacted parts; the percentage of recesses due to the compacting is 9-25%; the transverse rupture strength is at least 15 N; the transmittance of the compacted parts when dry is 3-25%; and the fabric weight is 30 g/m2 to 110 g/m2.
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公开(公告)号：US10508370B2
公开(公告)日：2019-12-17
申请号：US15493597
申请日：2017-04-21
发明人： Sang-hoon Lim , Andrea Piana
IPC分类号： D04H3/013 , A47C31/00 , A47G9/00 , A47H23/08 , D04H1/4334 , D04H1/425 , D04H1/542 , D04H1/4382 , D04H1/4342 , D04H1/4258
摘要： Provided herein is a new fire barrier material composed of flame retardant (FR) cellulosic fiber(s) and one or more of an antimicrobial (AM) cellulosic fiber and an untreated cellulosic fiber(s). The fire barrier material may be a fabric woven or knitted from the yarn containing the FR cellulosic fiber(s) and the one or more of AM cellulosic fibers and untreated cellulosic fibers. When AM cellulosic fibers are combined with FR treated cellulosic fibers, the fire barrier material has the dual features of flame retardancy and antimicrobial properties. The fire barrier material may also be a nonwoven, and in preferred embodiments optionally includes a binder fiber. The FR cellulosic fiber contains FR chemical(s) or FR compound(s) that have a melting point or decomposition temperature at 400° C. (752° F.) or below. The FR performance of the new nonwoven provided herein is comparable to the conventional FR nonwoven (FR cellulosic fiber/binder fiber), but has advantages in cost effectiveness, as well as antimicrobial properties.
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公开(公告)号：US20190264356A1
公开(公告)日：2019-08-29
申请号：US16342848
申请日：2017-10-18
申请人： LENZING AG
摘要： This invention relates to a process and a device for manufacturing cellulose-based webs which are directly formed from lyocell spinning solution and in particular for the washing of directly formed cellulose webs.
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10.发明申请公开(公告)号：US20190257029A1
公开(公告)日：2019-08-22
申请号：US16344896
申请日：2017-10-27
发明人： Jörg Kühn , Ingo Bernt , Walter Roggenstein , Bernd Seger
IPC分类号： D06M15/356 , D04H3/013 , D21H13/08
摘要： The present invention relates to a modified cellulosic fiber that comprises anionic moieties in an amount of more than 0.25 mol/kg of dry fiber and has applied theron a polymeric modifying agent in an amount of from 0.5 wt. % to 5.0 wt. %, based on dry fiber, the polymeric modifying agent comprising cationic moieties with a charge of at least 1.5 meq per gram of polymer and the molar ratio of anionic moieties to cationic moieties contained in the fiber is in the range of from 1:1 to 25:1. The fiber according to the present invention is characterized in that the anionic moieties are incorporated in the fiber and are from carboxymethylcellulose, and that the polymeric modifying agent comprising cationic moieties is selected from the group consisting of polydiallyldimethylammonium chloride (poly-DADMAC), poly(acrylamide-co-diallyldimethylammonium chloride) (PAM-DADMAC) and mixtures thereof. The invention furthermore relates to a nonwoven product or fabric comprising the modified cellulosic fiber. (FIG. 1)
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