JP7039492B2 - 溶液紡糸ポリアミドナノファイバー不織布 - Google Patents

溶液紡糸ポリアミドナノファイバー不織布 Download PDF

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Publication number
JP7039492B2
JP7039492B2 JP2018564364A JP2018564364A JP7039492B2 JP 7039492 B2 JP7039492 B2 JP 7039492B2 JP 2018564364 A JP2018564364 A JP 2018564364A JP 2018564364 A JP2018564364 A JP 2018564364A JP 7039492 B2 JP7039492 B2 JP 7039492B2
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Prior art keywords
nonwoven fabric
fabric product
polyamide
nanofiber
product according
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English (en)
Japanese (ja)
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JP2019518148A (ja
JP2019518148A5 (enExample
Inventor
スクーツ,ハリー・ピー
ユン,ワイ-シン
オズボーン,スコット・イー
トラスク,クレイグ・エイ
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Ascend Performance Materials Operations LLC
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Ascend Performance Materials Operations LLC
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    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/16Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326Condensation or reaction polymers
    • D04H1/4334Polyamides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/16Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/54Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
    • B01D46/546Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using nano- or microfibres
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/56Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D04H1/732Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by fluid current, e.g. air-lay
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005Synthetic yarns or filaments
    • D04H3/009Condensation or reaction polymers
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/02Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
    • D04H3/03Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments at random
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/02Types of fibres, filaments or particles, self-supporting or supported materials
    • B01D2239/0208Single-component fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/0604Arrangement of the fibres in the filtering material
    • B01D2239/0618Non-woven
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/10Filtering material manufacturing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12Special parameters characterising the filtering material
    • B01D2239/1233Fibre diameter
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12Special parameters characterising the filtering material
    • B01D2239/1258Permeability
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2501/00Wearing apparel
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00Industrial
    • D10B2505/04Filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nanotechnology (AREA)
  • Nonwoven Fabrics (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Artificial Filaments (AREA)
JP2018564364A 2016-06-10 2017-06-06 溶液紡糸ポリアミドナノファイバー不織布 Active JP7039492B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201662348524P 2016-06-10 2016-06-10
US201662348462P 2016-06-10 2016-06-10
US62/348,524 2016-06-10
US62/348,462 2016-06-10
PCT/US2017/036062 WO2017214085A1 (en) 2016-06-10 2017-06-06 Solution-spun polyamide nanofiber nonwovens

Publications (3)

Publication Number Publication Date
JP2019518148A JP2019518148A (ja) 2019-06-27
JP2019518148A5 JP2019518148A5 (enExample) 2020-06-25
JP7039492B2 true JP7039492B2 (ja) 2022-03-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018564364A Active JP7039492B2 (ja) 2016-06-10 2017-06-06 溶液紡糸ポリアミドナノファイバー不織布

Country Status (8)

Country Link
US (1) US20190194847A1 (enExample)
EP (1) EP3468424B1 (enExample)
JP (1) JP7039492B2 (enExample)
KR (1) KR102299766B1 (enExample)
CN (1) CN109561771B (enExample)
CA (1) CA3026497C (enExample)
TW (1) TWI772306B (enExample)
WO (1) WO2017214085A1 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2019014732A (es) 2017-06-08 2020-08-03 Ascend Performance Mat Operations Llc Nanofibras de poliamida no tejidas.
US11376534B2 (en) 2017-06-08 2022-07-05 Ascend Performance Materials Operations Llc Polyamide nanofiber nonwovens for filters
MX2020013310A (es) 2018-06-08 2021-05-27 Ascend Performance Mat Operations Llc Productos no tejidos de nanofibras afinables.
WO2020132002A1 (en) 2018-12-18 2020-06-25 Ascend Performance Materials Operations Llc Antimicrobial nonwoven polyamides with zinc content
US20200345183A1 (en) * 2019-05-01 2020-11-05 Robert Scott Boyd Cover for an eating utensil
JP7340037B2 (ja) * 2019-05-01 2023-09-06 アセンド・パフォーマンス・マテリアルズ・オペレーションズ・リミテッド・ライアビリティ・カンパニー ポリアミドナノファイバー層を含むろ過媒体
KR20220100855A (ko) * 2019-09-13 2022-07-18 더 노스 훼이스 어패럴 코오포레이션 막을 갖는 복합 재료
TW202136604A (zh) 2019-12-18 2021-10-01 美商阿散德性能材料營運公司 生產具有鋅含量的纖維和織物的方法
CN113117434B (zh) * 2019-12-30 2022-11-22 西安工程大学 柔性网状脉结构陶瓷纳米纤维超高温过滤膜的制备方法
CN111298520A (zh) * 2020-02-24 2020-06-19 深圳维度新材料有限公司 复合材料层的制备方法、复合材料层及口罩
MX2023005110A (es) 2020-10-30 2023-08-04 Ascend Performance Mat Operations Llc Materiales no tejidos de poliamida en compuestos multicapa para absorción de sonido.

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008274512A (ja) 2007-04-03 2008-11-13 Nisshinbo Ind Inc 抗菌性ナノファイバー
JP2010236138A (ja) 2009-03-31 2010-10-21 Toray Ind Inc 防水透湿繊維積層体
JP2012510006A (ja) 2008-11-25 2012-04-26 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー 不織ポリマーウェブ
JP2012167416A (ja) 2011-01-28 2012-09-06 Toray Ind Inc ポリアミド繊維の製造方法
JP2013511627A (ja) 2009-11-19 2013-04-04 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー 高湿度環境用濾過媒体
WO2016007345A1 (en) 2014-07-07 2016-01-14 E. I. Du Pont De Nemours And Company Composite filtration membranes comprising a casted membrane on a nanofiber sheet

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0673654A (ja) * 1992-08-27 1994-03-15 Unitika Ltd ポリアミド系極細繊維不織布及びその製造方法
US5558826A (en) * 1995-02-07 1996-09-24 E. I. Du Pont De Nemours And Company High speed process for making fully-oriented nylon yarns
KR100549140B1 (ko) * 2002-03-26 2006-02-03 이 아이 듀폰 디 네모아 앤드 캄파니 일렉트로-브로운 방사법에 의한 초극세 나노섬유 웹제조방법
US20080070463A1 (en) * 2006-09-20 2008-03-20 Pankaj Arora Nanowebs
US20080104738A1 (en) * 2006-11-03 2008-05-08 Conley Jill A Liquid water resistant and water vapor permeable garments
US7993523B2 (en) * 2007-03-06 2011-08-09 E. I. Du Pont De Nemours And Company Liquid filtration media
JP5393662B2 (ja) * 2007-06-22 2014-01-22 イノベイティブ サーフェイス テクノロジーズ, インコーポレイテッド 潜在反応基を含有するナノ繊維
WO2009064311A1 (en) * 2007-11-13 2009-05-22 E. I. Du Pont De Nemours And Company Breathable garment having a fluid drainage layer
US9834865B2 (en) * 2007-12-17 2017-12-05 E I Du Pont De Nemours And Company Centrifugal solution spun nanofiber process
MX345584B (es) * 2008-10-10 2017-02-07 Invista Tech Sarl Fibra cortada de nailon de capacidad que soporta alta carga e hilos mezclados de nailon y telas fabricadas con los mismos.
EP3168019A1 (en) * 2013-07-05 2017-05-17 The North Face Apparel Corp. Forcespinning of fibers and filaments
WO2015053444A1 (ko) * 2013-10-07 2015-04-16 (주)에프티이앤이 기재 사이에 나노섬유를 포함하는 필터 및 이의 제조방법
DK3068942T3 (da) * 2013-11-14 2020-03-16 Invista Textiles Uk Ltd Jordafvisende fiber og fremgangsmåder til fremstilling heraf
CN105597428B (zh) * 2016-02-23 2017-11-07 绿纳科技有限责任公司 一种用于去除污水中Cr(VI)的纳米纤维过滤材料的制备方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008274512A (ja) 2007-04-03 2008-11-13 Nisshinbo Ind Inc 抗菌性ナノファイバー
JP2012510006A (ja) 2008-11-25 2012-04-26 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー 不織ポリマーウェブ
JP2010236138A (ja) 2009-03-31 2010-10-21 Toray Ind Inc 防水透湿繊維積層体
JP2013511627A (ja) 2009-11-19 2013-04-04 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー 高湿度環境用濾過媒体
JP2012167416A (ja) 2011-01-28 2012-09-06 Toray Ind Inc ポリアミド繊維の製造方法
WO2016007345A1 (en) 2014-07-07 2016-01-14 E. I. Du Pont De Nemours And Company Composite filtration membranes comprising a casted membrane on a nanofiber sheet

Also Published As

Publication number Publication date
TWI772306B (zh) 2022-08-01
KR102299766B1 (ko) 2021-09-07
KR20190016100A (ko) 2019-02-15
CN109561771A (zh) 2019-04-02
CA3026497A1 (en) 2017-12-14
WO2017214085A1 (en) 2017-12-14
CN109561771B (zh) 2021-01-08
JP2019518148A (ja) 2019-06-27
EP3468424A4 (en) 2020-02-12
TW201819703A (zh) 2018-06-01
US20190194847A1 (en) 2019-06-27
CA3026497C (en) 2023-09-19
EP3468424A1 (en) 2019-04-17
EP3468424B1 (en) 2021-09-29

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