AU2007342321B2 - Method for making shaped filtration articles - Google Patents
Method for making shaped filtration articles Download PDFInfo
- Publication number
- AU2007342321B2 AU2007342321B2 AU2007342321A AU2007342321A AU2007342321B2 AU 2007342321 B2 AU2007342321 B2 AU 2007342321B2 AU 2007342321 A AU2007342321 A AU 2007342321A AU 2007342321 A AU2007342321 A AU 2007342321A AU 2007342321 B2 AU2007342321 B2 AU 2007342321B2
- Authority
- AU
- Australia
- Prior art keywords
- fiber
- web
- size
- fibers
- orifices
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims description 38
- 238000001914 filtration Methods 0.000 title claims description 33
- 239000000835 fiber Substances 0.000 claims description 166
- 239000011159 matrix material Substances 0.000 claims description 36
- 229920001410 Microfiber Polymers 0.000 claims description 28
- 239000003658 microfiber Substances 0.000 claims description 28
- 239000000203 mixture Substances 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 22
- 230000002902 bimodal effect Effects 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 11
- 239000002356 single layer Substances 0.000 claims description 11
- 238000007493 shaping process Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 230000002238 attenuated effect Effects 0.000 claims description 5
- 102100035353 Cyclin-dependent kinase 2-associated protein 1 Human genes 0.000 claims 2
- 101710176410 Cyclin-dependent kinase 2-associated protein 1 Proteins 0.000 claims 2
- 101710126767 Filamin A-interacting protein 1-like Proteins 0.000 claims 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 40
- 230000035515 penetration Effects 0.000 description 35
- 239000002245 particle Substances 0.000 description 28
- 229920000642 polymer Polymers 0.000 description 28
- 239000010410 layer Substances 0.000 description 20
- 239000011780 sodium chloride Substances 0.000 description 20
- 238000012360 testing method Methods 0.000 description 20
- -1 polyethylene Polymers 0.000 description 14
- 239000000654 additive Substances 0.000 description 10
- 239000000523 sample Substances 0.000 description 10
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 8
- 239000004743 Polypropylene Substances 0.000 description 7
- 229920001155 polypropylene Polymers 0.000 description 7
- 239000000443 aerosol Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000004611 light stabiliser Substances 0.000 description 5
- ORECYURYFJYPKY-UHFFFAOYSA-N n,n'-bis(2,2,6,6-tetramethylpiperidin-4-yl)hexane-1,6-diamine;2,4,6-trichloro-1,3,5-triazine;2,4,4-trimethylpentan-2-amine Chemical compound CC(C)(C)CC(C)(C)N.ClC1=NC(Cl)=NC(Cl)=N1.C1C(C)(C)NC(C)(C)CC1NCCCCCCNC1CC(C)(C)NC(C)(C)C1 ORECYURYFJYPKY-UHFFFAOYSA-N 0.000 description 5
- 229920001169 thermoplastic Polymers 0.000 description 5
- 230000000996 additive effect Effects 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000004416 thermosoftening plastic Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000012153 distilled water Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229920000515 polycarbonate Polymers 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 229920000877 Melamine resin Polymers 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000001055 blue pigment Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920000306 polymethylpentene Polymers 0.000 description 2
- 239000011116 polymethylpentene Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- FMZUHGYZWYNSOA-VVBFYGJXSA-N (1r)-1-[(4r,4ar,8as)-2,6-diphenyl-4,4a,8,8a-tetrahydro-[1,3]dioxino[5,4-d][1,3]dioxin-4-yl]ethane-1,2-diol Chemical compound C([C@@H]1OC(O[C@@H]([C@@H]1O1)[C@H](O)CO)C=2C=CC=CC=2)OC1C1=CC=CC=C1 FMZUHGYZWYNSOA-VVBFYGJXSA-N 0.000 description 1
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- 239000004713 Cyclic olefin copolymer Substances 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 231100000987 absorbed dose Toxicity 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011093 chipboard Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 229940087101 dibenzylidene sorbitol Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000013056 hazardous product Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000386 microscopy Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920005629 polypropylene homopolymer Polymers 0.000 description 1
- 229920000346 polystyrene-polyisoprene block-polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/02—Masks
-
- 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
- B01D39/163—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin sintered or bonded
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/082—Melt spinning methods of mixed yarn
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/098—Melt spinning methods with simultaneous stretching
- D01D5/0985—Melt spinning methods with simultaneous stretching by means of a flowing gas (e.g. melt-blowing)
-
- 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
- D04H3/016—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the fineness
-
- 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
- D04H3/14—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 yarns or filaments produced by welding
-
- 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
-
- 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
- B01D2239/064—The fibres being mixed
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Zoology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Filtering Materials (AREA)
- Nonwoven Fabrics (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/461,145 | 2006-07-31 | ||
| US11/461,307 US7754041B2 (en) | 2006-07-31 | 2006-07-31 | Pleated filter with bimodal monolayer monocomponent media |
| US11/461,307 | 2006-07-31 | ||
| US11/461,145 US7858163B2 (en) | 2006-07-31 | 2006-07-31 | Molded monocomponent monolayer respirator with bimodal monolayer monocomponent media |
| US69301707A | 2007-03-29 | 2007-03-29 | |
| US11/693,017 | 2007-03-29 | ||
| PCT/US2007/073648 WO2008085545A2 (en) | 2006-07-31 | 2007-07-17 | Method for making shaped filtration articles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2007342321A1 AU2007342321A1 (en) | 2008-07-17 |
| AU2007342321B2 true AU2007342321B2 (en) | 2010-08-26 |
Family
ID=39609210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2007342321A Ceased AU2007342321B2 (en) | 2006-07-31 | 2007-07-17 | Method for making shaped filtration articles |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP2049720B1 (enExample) |
| JP (1) | JP2010511488A (enExample) |
| KR (1) | KR20090037441A (enExample) |
| AU (1) | AU2007342321B2 (enExample) |
| BR (1) | BRPI0714088B1 (enExample) |
| PL (1) | PL2049720T3 (enExample) |
| WO (1) | WO2008085545A2 (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7902096B2 (en) * | 2006-07-31 | 2011-03-08 | 3M Innovative Properties Company | Monocomponent monolayer meltblown web and meltblowing apparatus |
| US8906815B2 (en) | 2007-12-28 | 2014-12-09 | 3M Innovative Properties Company | Composite nonwoven fibrous webs and methods of making and using the same |
| EP2242726B1 (en) | 2007-12-31 | 2018-08-15 | 3M Innovative Properties Company | Fluid filtration articles and methods of making and using the same |
| WO2009088648A1 (en) | 2007-12-31 | 2009-07-16 | 3M Innovative Properties Company | Composite non-woven fibrous webs having continuous particulate phase and methods of making and using the same |
| CN102859058B (zh) | 2010-04-22 | 2016-03-23 | 3M创新有限公司 | 含有化学活性颗粒的非织造纤维网以及制造和使用所述非织造纤维网的方法 |
| EP2561127B1 (en) | 2010-04-22 | 2015-01-21 | 3M Innovative Properties Company | Nonwoven nanofiber webs containing chemically active particulates and methods of making and using same |
| US9771675B2 (en) | 2010-07-07 | 2017-09-26 | 3M Innovative Properties Company | Patterned air-laid nonwoven fibrous webs and methods of making and using same |
| JP6141836B2 (ja) * | 2011-06-30 | 2017-06-07 | スリーエム イノベイティブ プロパティズ カンパニー | 不織布エレクトレット繊維ウェブ及びその製造方法 |
| TW201339387A (zh) | 2011-12-16 | 2013-10-01 | Toray Industries | 混纖不織布與積層片及過濾器以及混纖不織布之製造方法 |
| EP2985377B1 (en) | 2013-04-11 | 2020-01-01 | Toray Industries, Inc. | Mixed-fiber nonwoven fabric and method for manufacturing same |
| US20150211160A1 (en) * | 2014-01-29 | 2015-07-30 | Biax-Fiberfilm | High loft, nonwoven web exhibiting excellent recovery |
| JP7021852B2 (ja) * | 2014-06-16 | 2022-02-17 | グロッツ－ベッケルト・カーゲー | 混繊構造を形成するためのマルチダイ式メルトブローシステム及びその方法 |
| US11014030B2 (en) | 2016-02-17 | 2021-05-25 | Hollingsworth & Vose Company | Filter media including flame retardant fibers |
| US10252200B2 (en) * | 2016-02-17 | 2019-04-09 | Hollingsworth & Vose Company | Filter media including a filtration layer comprising synthetic fibers |
| KR102561877B1 (ko) * | 2017-11-13 | 2023-08-02 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | 마스크 및 마스크 제작 방법 |
| DE102018108228A1 (de) * | 2018-04-06 | 2019-10-10 | Groz-Beckert Kg | Verfahren zur Herstellung eines textilen Gebildes mit elektrostatisch geladenen Fasern und textiles Gebilde |
| GB2577591B (en) * | 2018-07-24 | 2021-04-21 | Mg Ip Ltd | Porous Plastic Profiles |
| CN114457432B (zh) * | 2022-02-14 | 2023-06-27 | 东华大学 | 一种纳米纤维制备装置用气流自耦合熔喷模头 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4100324A (en) | 1974-03-26 | 1978-07-11 | Kimberly-Clark Corporation | Nonwoven fabric and method of producing same |
| US3981650A (en) * | 1975-01-16 | 1976-09-21 | Beloit Corporation | Melt blowing intermixed filaments of two different polymers |
| CA1073648A (en) | 1976-08-02 | 1980-03-18 | Edward R. Hauser | Web of blended microfibers and crimped bulking fibers |
| US4547420A (en) | 1983-10-11 | 1985-10-15 | Minnesota Mining And Manufacturing Company | Bicomponent fibers and webs made therefrom |
| US4536440A (en) | 1984-03-27 | 1985-08-20 | Minnesota Mining And Manufacturing Company | Molded fibrous filtration products |
| US4818464A (en) | 1984-08-30 | 1989-04-04 | Kimberly-Clark Corporation | Extrusion process using a central air jet |
| US4988560A (en) | 1987-12-21 | 1991-01-29 | Minnesota Mining And Manufacturing Company | Oriented melt-blown fibers, processes for making such fibers, and webs made from such fibers |
| US4931355A (en) | 1988-03-18 | 1990-06-05 | Radwanski Fred R | Nonwoven fibrous hydraulically entangled non-elastic coform material and method of formation thereof |
| US5227107A (en) | 1990-08-07 | 1993-07-13 | Kimberly-Clark Corporation | Process and apparatus for forming nonwovens within a forming chamber |
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| US5374458A (en) | 1992-03-13 | 1994-12-20 | Minnesota Mining And Manufacturing Company | Molded, multiple-layer face mask |
| US5382400A (en) | 1992-08-21 | 1995-01-17 | Kimberly-Clark Corporation | Nonwoven multicomponent polymeric fabric and method for making same |
| JPH06207359A (ja) * | 1992-10-14 | 1994-07-26 | Nippon Petrochem Co Ltd | 通気性強化不織布およびその製造方法 |
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| JPH0813309A (ja) * | 1994-07-01 | 1996-01-16 | Tonen Chem Corp | メルトブロー不織布及びその製造方法 |
| EP0772484B1 (en) * | 1994-07-28 | 2008-02-27 | Pall Corporation | Fibrous web and process of preparing same |
| JPH08120552A (ja) * | 1994-08-31 | 1996-05-14 | Mitsui Petrochem Ind Ltd | 複合繊維不織布 |
| US5695376A (en) | 1994-09-09 | 1997-12-09 | Kimberly-Clark Worldwide, Inc. | Thermoformable barrier nonwoven laminate |
| JP3161245B2 (ja) * | 1994-09-28 | 2001-04-25 | 東レ株式会社 | フィルター基材 |
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| US5476616A (en) | 1994-12-12 | 1995-12-19 | Schwarz; Eckhard C. A. | Apparatus and process for uniformly melt-blowing a fiberforming thermoplastic polymer in a spinnerette assembly of multiple rows of spinning orifices |
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-
2007
- 2007-07-17 AU AU2007342321A patent/AU2007342321B2/en not_active Ceased
- 2007-07-17 EP EP07872252.7A patent/EP2049720B1/en not_active Not-in-force
- 2007-07-17 KR KR1020097001946A patent/KR20090037441A/ko not_active Abandoned
- 2007-07-17 BR BRPI0714088A patent/BRPI0714088B1/pt not_active IP Right Cessation
- 2007-07-17 JP JP2009522926A patent/JP2010511488A/ja active Pending
- 2007-07-17 PL PL07872252T patent/PL2049720T3/pl unknown
- 2007-07-17 WO PCT/US2007/073648 patent/WO2008085545A2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP2049720A2 (en) | 2009-04-22 |
| PL2049720T3 (pl) | 2014-02-28 |
| WO2008085545A3 (en) | 2008-10-09 |
| EP2049720A4 (en) | 2011-12-07 |
| EP2049720B1 (en) | 2013-09-04 |
| BRPI0714088A2 (pt) | 2013-01-01 |
| BRPI0714088B1 (pt) | 2017-04-04 |
| WO2008085545A2 (en) | 2008-07-17 |
| KR20090037441A (ko) | 2009-04-15 |
| AU2007342321A1 (en) | 2008-07-17 |
| JP2010511488A (ja) | 2010-04-15 |
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| FGA | Letters patent sealed or granted (standard patent) | ||
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