JP2014504198A - 戦略的に形成された繊維および/または荷電制御剤を含む繊維混合物を用いたろ過材料 - Google Patents
戦略的に形成された繊維および/または荷電制御剤を含む繊維混合物を用いたろ過材料 Download PDFInfo
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- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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- D01F1/00—General methods for the manufacture of artificial filaments or the like
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- B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
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- D01D5/00—Formation of filaments, threads, or the like
- D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
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- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
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- D01F1/00—General methods for the manufacture of artificial filaments or the like
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
- D01F6/06—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins from polypropylene
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
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- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/28—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/38—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds comprising unsaturated nitriles as the major constituent
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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
- 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
- D04H1/4282—Addition polymers
- D04H1/4291—Olefin series
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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
- D04H3/018—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the shape
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- 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
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- 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
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0435—Electret
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- 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
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0471—Surface coating material
- B01D2239/0492—Surface coating material on fibres
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- 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
- B01D2239/0627—Spun-bonded
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- 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
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
Abstract
Description
・ 試験材料: すべて、1平方メートル当り70グラムに作成
・ 分別効率: 粒子サイズ0.3、0.5、5および10ミクロンを使用
・ 試験速度: 約18.3m/分(60FPM)
・ 電圧測定: Chapman Corporation Voltmeter を使用
試験例1は、効率におけるCCAの効果を決定するためにCCA付きおよび無しのポリプロピレンおよびモダクリル繊維の混合物の比較である。
ドープする処方A 非ドープの処方B
‐ 浸透性 0.0375 0.10
‐ 効 率 99.9625% 99.90%
試験例2はポリプロピレンおよびアクリル繊維を含む繊維混合物の比較であり、処方Aの繊維はCCA無しでありそして処方Bの繊維はCCAを含む。
粒子寸法 処方Aの効率 処方ABの効率
(ミクロン) (%) (%)
0.3 48.78 61.98
0.5 62.88 73.68
5 84.38 89.24
10 99.12 99.64
試験例3は試験例2と同様であるが、CCAはアクリル繊維よりもむしろポリプロピレン繊維にある。
粒子寸法 処方Aの効率 処方ACの効率
(ミクロン) (%) (%)
0.3 46.23 62.38
0.5 61.14 74.52
5 81.69 90.72
10 99.06 99.73
試験例4は、試験例2と同様であるが、CCAが試験例2のインゲン豆形繊維というよりむしろドッグボーン形繊維に適用される。
粒子寸法 処方Aの効率 処方ADの効率
(ミクロン) (%) (%)
0.3 46.23 62.38
0.5 61.14 76.52
5 81.69 90.67
10 99.06 99.9
試験例5は、形状付けられたポリプロピレン繊維を用いる効果と、形状付けられたアクリル繊維と両者が混合されたときの円形形状のポリプロピレン繊維を用いる効果を比較する。
粒子寸法 処方Aの効率 処方AEの効率
(ミクロン) (%) (%)
0.3 46.16 47.16
0.5 62.63 78.31
5 83.21 93.14
10 99.07 99.9
試験例6は、形状付けアクリル繊維が円形PP繊維と組み合わされそしてCCAがPP繊維に用いられたときの混合物のCCAの効果を比較する。
粒子寸法 処方Aの効率 処方AFの効率
(ミクロン) (%) (%)
0.3 40.21 72.89
0.5 59.47 81.72
5 78.28 96.41
10 99.71 99.9
試験例7は、形状付けアクリル繊維およびCCAのないものを有する円形PP繊維と比較して、形状付けアクリル繊維を有する円形および形状付けPP繊維の混合物における形状付けPP繊維にCCAを加えることの効果を測定する。
粒子寸法 処方Aの効率 処方AGの効率
(ミクロン) (%) (%)
0.3 42.41 73.71
0.5 60.81 83.32
5 79.91 97.48
10 99.06 99.9
試験例8は、大量の形状付けPP繊維および形状付けアクリル繊維と組み合わされた追加されたCCAを有する少量の円形PP繊維を有する繊維混合物と、CCAの無い同様な混合物との比較である。
粒子寸法 処方Bの効率 処方BAの効率
(ミクロン) (%) (%)
0.3 48.82 81.38
0.5 66.29 91.68
5 82.18 98.16
10 98.91 99.9
試験例9は、ほとんどが円形PP繊維および形状付きアクリル繊維の混合物のほんのわずかの形状付きPP繊維へのCCAの追加と、CCAを有しておらず、円形PP繊維および形状付きアクリル繊維だけの同様な混合物の比較である。
粒子寸法 処方Bの効率 処方BBの効率
(ミクロン) (%) (%)
0.3 49.92 83.38
0.5 68.38 93.72
5 84.24 98.82
10 99.10 99.9
試験例10は、円形PP繊維および形状付きアクリル繊維と混合された少量の形状付きPP繊維がCCA無しの同様な混合物および円形PP繊維のみ以上に性能を改善するかを試験している。
粒子寸法 処方Cの効率 処方CAの効率
(ミクロン) (%) (%)
0.3 54.61 84.62
0.5 69.19 94.81
5 84.46 98.87
10 99.12 99.9
試験例11は、円形PP繊維および形状付けアクリル繊維、いずれも追加されたCCAを有する、と比較する、形状付けアクリル繊維を有する形状付けおよび円形PP繊維の混合物が形状付けPP繊維および形状付けアクリル繊維に加えられたCCAを有するときの効果の比較である。
粒子寸法 処方Dの効率 処方DAの効率
(ミクロン) (%) (%)
0.3 54.61 87.83
0.5 69.19 95.66
5 84.46 98.92
10 99.12 99.93
Claims (29)
- ドッグボーン断面を有する湿式紡績アクリル繊維から構成される、不織エレクトレット・ガスろ過媒体。
- 媒体は少なくともいくつかのポリプロピレン繊維を含む、請求項1に記載のろ過媒体。
- ポリプロピレン繊維の少なくともいくつかはドッグボーン形状である、請求項2に記載のろ過媒体。
- 少なくともいくつかの繊維の外面に荷電制御剤が配置される、請求項1に記載のろ過媒体。
- 少なくともいくつかの繊維の外面に荷電制御剤が配置される、請求項2に記載のろ過媒体。
- 少なくともいくつかの繊維の外面に荷電制御剤が配置される、請求項3に記載のろ過媒体。
- 非円形断面を有する複数のポリプロピレン繊維から構成される、不織エレクトレット・ガスろ過媒体。
- 媒体は湿式紡績加工により形成されかつドッグボーン断面を有する少なくともいくつかのアクリル繊維を含む、請求項7に記載のろ過媒体。
- ポリプロピレン繊維はドッグボーン断面を有する、請求項8に記載のろ過媒体。
- アクリル繊維に対するポリプロピレン繊維の割合は約90:10から約10:90までの範囲にある、請求項9に記載のろ過媒体。
- ポリプロピレン繊維は円形断面を有する、請求項9に記載のろ過媒体。
- 繊維の少なくともいくつかの外面に配置された荷電制御剤をさらに含む、請求項7に記載のろ過媒体。
- 繊維の少なくともいくつかの外面に配置された荷電制御剤をさらに含む、請求項9に記載のろ過媒体。
- 繊維の少なくともいくつかの外面に配置された荷電制御剤をさらに含む、請求項10に記載のろ過媒体。
- 荷電制御剤は有機ワックス、非有機ワックスおよびPVDFからなるグループから選択される、請求項12に記載のろ過媒体。
- 荷電制御剤は有機ワックス、非有機ワックスおよびPVDFからなるグループから選択される、請求項13に記載のろ過媒体。
- 荷電制御剤は有機ワックス、非有機ワックスおよびPVDFからなるグループから選択される、請求項14に記載のろ過媒体。
- 複数のポリプロピレン繊維から構成され、ポリプロピレン繊維の少なくともいくつかの外面に配置された荷電制御剤を有する、不織エレクトレット・ガスろ過媒体。
- 媒体は湿式紡績加工により形成されかつドッグボーン断面を有する少なくともいくつかのアクリル繊維を含む、請求項18に記載のろ過媒体。
- ポリプロピレン繊維はドッグボーン断面を有する、請求項19に記載のろ過媒体。
- アクリル繊維に対するポリプロピレン繊維の割合は約90:10から約10:90までの範囲にある、請求項20に記載のろ過媒体。
- ポリプロピレン繊維は円形断面を有する、請求項20に記載のろ過媒体。
- PVDFは媒体の重量の約2パーセントを構成する、請求項18に記載のろ過媒体。
- (a) 複数のアクリル繊維を湿式紡糸し、そして
(b) 湿式紡糸中に、有機ワックスを約0.05パーセントから約5.0パーセントの 範囲で湿式紡糸加工の水に加える
ことから構成される、不織エレクトレット・ガスろ過媒体に用いられるろ過材を作成する方法。 - 少なくともいくつかのポリプロピレン繊維をアクリル繊維と混合する工程をさらに含む、請求項24に記載の方法。
- 少なくともいくつかのドッグボーン形ポリプロピレン繊維をアクリル繊維と混合する工程をさらに含む、請求項24に記載の方法。
- (a) 複数のアクリル繊維を湿式紡糸し、
(b) 該繊維を3次元クリンプし、そして
(c) 該繊維から不織エレクトレット・ガスろ過媒体を形成する
ことから構成される、不織エレクトレット・ガスろ過媒体を作成する方法。 - 少なくともいくつかのポリプロピレン繊維をアクリル繊維と混合する工程をさらに含む、請求項27に記載の方法。
- 少なくともいくつかのドッグボーン形ポリプロピレン繊維をアクリル繊維と混合する工程をさらに含む、請求項27に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US40630110P | 2010-10-25 | 2010-10-25 | |
US61/406,301 | 2010-10-25 | ||
PCT/US2011/057630 WO2012061112A2 (en) | 2010-10-25 | 2011-10-25 | Filtration material using fiber blends that contain strategically shaped fibers and/or charge control agents |
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US (5) | US9074301B2 (ja) |
EP (2) | EP2632600B1 (ja) |
JP (1) | JP2014504198A (ja) |
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CN (1) | CN103635620A (ja) |
CA (1) | CA2815801C (ja) |
ES (1) | ES2877817T3 (ja) |
MX (1) | MX2013004669A (ja) |
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DE102015204708A1 (de) | 2015-03-16 | 2016-09-22 | Wacker Chemie Ag | Adsorption von Partikeln an Siliconpolymer enthaltendem Material |
US10814261B2 (en) * | 2017-02-21 | 2020-10-27 | Hollingsworth & Vose Company | Electret-containing filter media |
US11077394B2 (en) | 2017-02-21 | 2021-08-03 | Hollingsworth & Vose Company | Electret-containing filter media |
CN107088473B (zh) * | 2017-06-13 | 2020-04-10 | 青岛海纳能源环保科技开发有限公司 | 一种极性物质吸附分离与提纯材料的制备及使用方法 |
US11081285B2 (en) | 2019-05-08 | 2021-08-03 | Deborah Duen Ling Chung | Electrically conductive electret and associated electret-based power source and self-powered structure |
KR102302538B1 (ko) * | 2019-08-29 | 2021-09-15 | 한국에너지기술연구원 | 마찰전기를 이용한 집진필터 및 그 제조방법 |
CN111437655B (zh) * | 2020-04-02 | 2021-10-22 | 青岛科凯达橡塑有限公司 | 一种用于空气过滤的驻极体材料及其制备方法 |
EP4196630A1 (en) * | 2020-08-11 | 2023-06-21 | 3M Innovative Properties Company | Electret webs with carboxylic acid or carboxylate salt charge-enhancing additives |
CN116033954A (zh) * | 2020-08-11 | 2023-04-28 | 3M创新有限公司 | 具有苯甲酸盐电荷增强添加剂的驻极体料片 |
CN112647190B (zh) * | 2020-12-15 | 2021-12-31 | 浙江华基环保科技有限公司 | 一种熔喷非织造材料制造方法 |
WO2023026214A2 (en) * | 2021-08-26 | 2023-03-02 | North Carolina State University | Charged nonwoven material |
DE102022000777A1 (de) | 2022-03-04 | 2023-09-07 | Oerlikon Textile Gmbh & Co. Kg | Verfahren und Vorrichtung zur Herstellung von elektrostatisch geladenen Fasern sowie Elektret-Erzeugnis |
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- 2011-10-25 MX MX2013004669A patent/MX2013004669A/es not_active Application Discontinuation
- 2011-10-25 TW TW100138587A patent/TWI629386B/zh active
- 2011-10-25 KR KR1020137013434A patent/KR101962406B1/ko active IP Right Grant
- 2011-10-25 EP EP11838513.7A patent/EP2632600B1/en active Active
- 2011-10-25 WO PCT/US2011/057630 patent/WO2012061112A2/en active Application Filing
- 2011-10-25 EP EP21168074.9A patent/EP3885480A1/en active Pending
- 2011-10-25 US US13/280,500 patent/US9074301B2/en active Active
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US10571137B2 (en) | 2020-02-25 |
KR20140022369A (ko) | 2014-02-24 |
CA2815801C (en) | 2019-07-09 |
CA2815801A1 (en) | 2012-05-10 |
EP2632600A2 (en) | 2013-09-04 |
TW201226649A (en) | 2012-07-01 |
US20150226441A1 (en) | 2015-08-13 |
WO2012061112A2 (en) | 2012-05-10 |
US9909767B2 (en) | 2018-03-06 |
ES2877817T3 (es) | 2021-11-17 |
US20170189914A1 (en) | 2017-07-06 |
CN103635620A (zh) | 2014-03-12 |
US20150137415A1 (en) | 2015-05-21 |
US20150110957A1 (en) | 2015-04-23 |
EP2632600A4 (en) | 2016-02-17 |
US9074301B2 (en) | 2015-07-07 |
KR101962406B1 (ko) | 2019-03-26 |
US20120097035A1 (en) | 2012-04-26 |
WO2012061112A3 (en) | 2013-11-07 |
TWI629386B (zh) | 2018-07-11 |
EP2632600B1 (en) | 2021-04-14 |
EP3885480A1 (en) | 2021-09-29 |
US9618220B2 (en) | 2017-04-11 |
MX2013004669A (es) | 2013-09-06 |
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