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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Publication of JP2019518148A5 publication Critical patent/JP2019518148A5/ja
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/16—Non-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
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-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
    • D04H1/42—Non-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
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/4334—Polyamides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
    • B01D46/546—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using nano- or microfibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-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
    • D04H1/54—Non-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
    • D04H1/56—Non-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
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-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
    • D04H1/72—Non-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
    • D04H1/732—Non-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
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005—Synthetic yarns or filaments
    • D04H3/009—Condensation or reaction polymers
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/02—Non-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
    • D04H3/03—Non-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
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
    • B01D2239/0208—Single-component fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/0604—Arrangement of the fibres in the filtering material
    • B01D2239/0618—Non-woven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/10—Filtering material manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1233—Fibre diameter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1258—Permeability
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2501/00—Wearing apparel
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2505/00—Industrial
    • D10B2505/04—Filters

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
US62/348,462 2016-06-10
US62/348,524 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

ID=60578959

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
US11376534B2 (en) 2017-06-08 2022-07-05 Ascend Performance Materials Operations Llc Polyamide nanofiber nonwovens for filters
TWI737917B (zh) * 2017-06-08 2021-09-01 美商阿散德性能材料營運公司 聚醯胺奈米纖維非織物
KR20210029191A (ko) * 2018-06-08 2021-03-15 어센드 퍼포먼스 머티리얼즈 오퍼레이션즈 엘엘씨 조정 가능한 나노섬유 부직포 제품
MX2021007384A (es) 2018-12-18 2021-09-23 Ascend Performance Mat Operations Llc Poliamidas antimicrobianas no tejidas con contenido de zinc.
US20200345183A1 (en) * 2019-05-01 2020-11-05 Robert Scott Boyd Cover for an eating utensil
CN113710344A (zh) * 2019-05-01 2021-11-26 奥升德功能材料运营有限公司 包含聚酰胺纳米纤维层的过滤介质
EP4028256A1 (en) * 2019-09-13 2022-07-20 The North Face Apparel Corp. Composite materials with membrane
EP4077777A1 (en) 2019-12-18 2022-10-26 Ascend Performance Materials Operations LLC Processes for producing fiber and fabrics with zinc content
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
WO2009002869A2 (en) * 2007-06-22 2008-12-31 Innovative Surface Technologies, Inc. Nanofibers containing latent reactive groups
BRPI0817404A2 (pt) * 2007-11-13 2018-06-12 Du Pont "peça de vestuário"
US9834865B2 (en) * 2007-12-17 2017-12-05 E I Du Pont De Nemours And Company Centrifugal solution spun nanofiber process
RU2514760C2 (ru) * 2008-10-10 2014-05-10 Инвиста Текнолоджиз С.А. Р.Л. Нейлоновое штапельное волокно, подходящее для применения в устойчивых к абразивному истиранию, высокопрочных найлоновых смешанных пряжах и материалах
US20160168756A1 (en) * 2013-07-05 2016-06-16 The North Face Apparel Corp. Forcespinning of fibers and filaments
EP3056597A4 (en) * 2013-10-07 2016-10-26 Finetex Ene Inc FILTERS WITH NANO FIBERS BETWEEN SUBSTRATES AND METHOD FOR THE PRODUCTION THEREOF
JP2016540902A (ja) * 2013-11-14 2016-12-28 インヴィスタ テクノロジーズ エスアエルエルＩＮＶＩＳＴＡ ＴＥＣＨＮＯＬＯＧＩＥＳ Ｓ．ａ．ｒ．ｌ． 防汚性繊維及びそれを作製する方法
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
CN109561771A (zh) 2019-04-02
EP3468424B1 (en) 2021-09-29
JP2019518148A (ja) 2019-06-27
EP3468424A4 (en) 2020-02-12
TW201819703A (zh) 2018-06-01
TWI772306B (zh) 2022-08-01
KR102299766B1 (ko) 2021-09-07
CN109561771B (zh) 2021-01-08
EP3468424A1 (en) 2019-04-17
US20190194847A1 (en) 2019-06-27
CA3026497A1 (en) 2017-12-14
KR20190016100A (ko) 2019-02-15
CA3026497C (en) 2023-09-19
WO2017214085A1 (en) 2017-12-14

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