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公开(公告)号：US20240301112A1
公开(公告)日：2024-09-12
申请号：US18597016
申请日：2024-03-06
发明人： Wai-shing Yung , Vikram Gopal
IPC分类号： C08F283/04 , C08K3/105
CPC分类号： C08F283/04 , C08K3/105
摘要： This disclosure relates to a process for making flame retardant fibers comprising the steps of combining a flame retardant masterbatch with a polymer to form a polymer composition and forming the flame retardant fibers from the polymer composition. The masterbatch comprises greater than 10 wt % of a nitrogen compound having a melting point less than 400° C.; and a masterbatch polymer, with the weight percentages based on the total weight of the masterbatch. The flame retardant fibers pass the flame retardancy standards of ASTM D6413 (current year).
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公开(公告)号：US20230363384A1
公开(公告)日：2023-11-16
申请号：US18315160
申请日：2023-05-10
发明人： Wai-shing Yung , Rohit Kankaliya , Juan P. Toro
摘要： This disclosure relates to a process for producing treated AM/AV fibers comprising treating, with an alkali composition, base AM/AV fibers comprising a polymer composition comprising a polymer and an AM/AV compound to form treated AM/AV fibers. The treated AM/AV fibers demonstrate a Klebsiella pneumonia log reduction greater than 1.5, as determined via ISO20743:2013.
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公开(公告)号：US20220372681A1
公开(公告)日：2022-11-24
申请号：US17871167
申请日：2022-07-22
IPC分类号： D04H1/4334 , D04H3/016 , D04H1/56 , D04H3/16 , D04H1/4382 , D04H1/552
摘要： A nanofiber nonwoven product is disclosed which comprises a polyamide with a relative viscosity from 2 to 330, spun into nanofibers with an average diameter of less than 1000 nanometers (1 micron). In general, the inventive products are prepared by: (a) providing a polyamide composition, wherein the polyamide has a relative viscosity from 2 to 330; (b) melt spinning the polyamide composition into a plurality of nanofibers having an average fiber diameter of less than 1 micron, followed by (c) forming the nanofibers into the product.
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公开(公告)号：US11674247B2
公开(公告)日：2023-06-13
申请号：US17871167
申请日：2022-07-22
IPC分类号： D04H1/4334 , D04H3/016 , D04H1/56 , D04H3/16 , D04H1/4382 , D04H1/552 , B82Y40/00
CPC分类号： D04H1/4334 , D04H1/43838 , D04H1/552 , D04H1/56 , D04H1/565 , D04H3/016 , D04H3/16 , B82Y40/00
摘要： A nanofiber nonwoven product is disclosed which comprises a polyamide with a relative viscosity from 2 to 330, spun into nanofibers with an average diameter of less than 1000 nanometers (1 micron). In general, the inventive products are prepared by: (a) providing a polyamide composition, wherein the polyamide has a relative viscosity from 2 to 330; (b) melt spinning the polyamide composition into a plurality of nanofibers having an average fiber diameter of less than 1 micron, followed by (c) forming the nanofibers into the product.
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公开(公告)号：US11618810B2
公开(公告)日：2023-04-04
申请号：US17192533
申请日：2021-03-04
发明人： Vikram Gopal , Wai-shing Yung , Albert Ortega
IPC分类号： A01N25/34 , A01N25/10 , A01N59/20 , A01N59/16 , C08K3/08 , B29C48/00 , C08L77/06 , D01F6/60 , D02G3/04 , D02G3/44 , A41D13/11 , B29K77/00 , B29K105/00 , C08K3/02
摘要： Provided is a textile made of filament yarn comprising a polymer composition that is durable and reusable having permanent or near-permanent antiviral properties and that includes a polymer, a metal ion, preferably a zinc and/or copper ion, and an optional phosphorus compound, wherein fibers and/or fabric formed from the polymer composition demonstrate antiviral properties and wherein the polymer is hygroscopic. The present disclosure also describes methods of forming the polymer compositions and methods of preparing fibers from the polymer composition.
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公开(公告)号：US20210274778A1
公开(公告)日：2021-09-09
申请号：US17192533
申请日：2021-03-04
发明人： Vikram Gopal , Wai-shing Yung , Albert Ortega
摘要： Provided is a textile made of filament yarn comprising a polymer composition that is durable and reusable having permanent or near-permanent antiviral properties and that includes a polymer, a metal ion, preferably a zinc and/or copper ion, and an optional phosphorus compound, wherein fibers and/or fabric formed from the polymer composition demonstrate antiviral properties and wherein the polymer is hygroscopic. The present disclosure also describes methods of forming the polymer compositions and methods of preparing fibers from the polymer composition.
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公开(公告)号：US20200324510A1
公开(公告)日：2020-10-15
申请号：US16845887
申请日：2020-04-10
摘要： Nonwoven multilayer structures having at least two nanofiber layers are described herein. The nonwoven multilayer structure may have two nanofibers layers that have different properties from each other, such as fiber diameter. One nanofiber layer may be produced by an electrospinning process, while another nanofiber layer may be produced by a melt blown process.
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公开(公告)号：US20230193519A1
公开(公告)日：2023-06-22
申请号：US18067398
申请日：2022-12-16
发明人： Bart Campbell , John G. Hancock , Scott Osborn , Wai-shing Yung
CPC分类号： D01F6/90 , D01F1/103 , C08G69/26 , C08K3/08 , C08K3/30 , C08K2003/0893 , C08K2003/309 , D10B2331/02 , D10B2401/13 , D10B2503/042
摘要： The present invention provides antimicrobial and/or antiviral properties for polymers and synthetic fibers that have stain resistant properties. The synthetic fiber comprises a polymer, such as a copolymer comprising from 85 to 99.5 percent by weight of a polyamide based on the total weight of the fiber and an aromatic sulfonate or a salt thereof present in a range from 0.5 to 10 percent by weight based on the total weight of the fiber, one or more metal compounds or ions thereof dispersed within the copolymer, and a phosphorus compound.
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公开(公告)号：US20230065257A1
公开(公告)日：2023-03-02
申请号：US17979161
申请日：2022-11-02
发明人： Scott E. Osborn , Wai-shing Yung
摘要： The present disclosure relates to polymer resins, fibers, and yarns with permanent antimicrobial activity, and a method of producing the same. In one embodiment, the antimicrobial polymer resin comprises a polymer having less than 2500 ppm of zinc dispersed within the polymer, less than 1000 ppm of phosphorus, wherein the weight ratio of zinc to phosphorus is at least 1.3:1 or less than 0.64:1.
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公开(公告)号：US11421359B2
公开(公告)日：2022-08-23
申请号：US16880015
申请日：2020-05-21
IPC分类号： D04H1/4334 , D04H3/016 , D04H1/56 , D04H3/16 , D04H1/4382 , D04H1/552 , B82Y40/00
摘要： A nanofiber nonwoven product is disclosed which comprises a polyamide with a relative viscosity from 2 to 330, spun into nanofibers with an average diameter of less than 1000 nanometers (1 micron). In general, the inventive products are prepared by: (a) providing a polyamide composition, wherein the polyamide has a relative viscosity from 2 to 330; (b) melt spinning the polyamide composition into a plurality of nanofibers having an average fiber diameter of less than 1 micron, followed by (c) forming the nanofibers into the product.
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