WO2007041310A2 - Coalescing filtration medium and process - Google Patents
Coalescing filtration medium and process Download PDFInfo
- Publication number
- WO2007041310A2 WO2007041310A2 PCT/US2006/038095 US2006038095W WO2007041310A2 WO 2007041310 A2 WO2007041310 A2 WO 2007041310A2 US 2006038095 W US2006038095 W US 2006038095W WO 2007041310 A2 WO2007041310 A2 WO 2007041310A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- nanofiber
- filtration medium
- web
- process according
- coalescing
- Prior art date
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims description 36
- 239000002121 nanofiber Substances 0.000 claims abstract description 131
- 239000000835 fiber Substances 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000008263 liquid aerosol Substances 0.000 claims abstract description 14
- -1 poly(ethylene terephthalate) Polymers 0.000 claims description 27
- 230000035699 permeability Effects 0.000 claims description 10
- 238000012360 testing method Methods 0.000 claims description 7
- 239000004952 Polyamide Substances 0.000 claims description 6
- 239000000356 contaminant Substances 0.000 claims description 6
- 229920002647 polyamide Polymers 0.000 claims description 6
- 229920001059 synthetic polymer Polymers 0.000 claims description 5
- 238000010998 test method Methods 0.000 claims description 5
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 3
- 239000004693 Polybenzimidazole Substances 0.000 claims description 3
- 239000004697 Polyetherimide Substances 0.000 claims description 3
- 239000004642 Polyimide Substances 0.000 claims description 3
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- 229920003235 aromatic polyamide Polymers 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 3
- 229920000767 polyaniline Polymers 0.000 claims description 3
- 229920002480 polybenzimidazole Polymers 0.000 claims description 3
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 3
- 229920001601 polyetherimide Polymers 0.000 claims description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 3
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 3
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 claims description 3
- 229920002554 vinyl polymer Polymers 0.000 claims description 3
- 239000002759 woven fabric Substances 0.000 claims description 3
- 238000009987 spinning Methods 0.000 description 31
- 239000000243 solution Substances 0.000 description 15
- 239000003921 oil Substances 0.000 description 14
- 229920000642 polymer Polymers 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 239000011236 particulate material Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000001523 electrospinning Methods 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
Classifications
-
- 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
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/06—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by a fibrous or filamentary layer mechanically connected, e.g. by needling to another layer, e.g. of fibres, of paper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- 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
- B01D2239/025—Types of fibres, filaments or particles, self-supporting or supported materials comprising nanofibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0261—Polyamide fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/718—Weight, e.g. weight per square meter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/728—Hydrophilic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/73—Hydrophobic
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008533668A JP4785928B2 (en) | 2005-09-30 | 2006-09-29 | Agglomerated filter media and method |
DE602006021461T DE602006021461D1 (en) | 2005-09-30 | 2006-09-29 | COALIZING FILTRATION MEDIUM AND METHOD |
BRPI0617575-9A BRPI0617575A2 (en) | 2005-09-30 | 2006-09-29 | coalescent filtration media and process of removing liquid, oil and / or water aerosols from a gas stream |
KR1020087010271A KR101428818B1 (en) | 2005-09-30 | 2006-09-29 | Coalescing filtration medium and process |
EP06825260A EP1954373B1 (en) | 2005-09-30 | 2006-09-29 | Coalescing filtration medium and process |
CN2006800353628A CN101272841B (en) | 2005-09-30 | 2006-09-29 | Coalescing filtration medium and process |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/241,598 US20070074628A1 (en) | 2005-09-30 | 2005-09-30 | Coalescing filtration medium and process |
US11/241,598 | 2005-09-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2007041310A2 true WO2007041310A2 (en) | 2007-04-12 |
WO2007041310A3 WO2007041310A3 (en) | 2007-06-14 |
Family
ID=37900692
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2006/038095 WO2007041310A2 (en) | 2005-09-30 | 2006-09-29 | Coalescing filtration medium and process |
Country Status (8)
Country | Link |
---|---|
US (1) | US20070074628A1 (en) |
EP (1) | EP1954373B1 (en) |
JP (1) | JP4785928B2 (en) |
KR (1) | KR101428818B1 (en) |
CN (1) | CN101272841B (en) |
BR (1) | BRPI0617575A2 (en) |
DE (1) | DE602006021461D1 (en) |
WO (1) | WO2007041310A2 (en) |
Cited By (9)
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JP2010538813A (en) * | 2007-09-07 | 2010-12-16 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | Improved pleated nanoweb structure |
US8679218B2 (en) | 2010-04-27 | 2014-03-25 | Hollingsworth & Vose Company | Filter media with a multi-layer structure |
US8950587B2 (en) | 2009-04-03 | 2015-02-10 | Hollingsworth & Vose Company | Filter media suitable for hydraulic applications |
US8986432B2 (en) | 2007-11-09 | 2015-03-24 | Hollingsworth & Vose Company | Meltblown filter medium, related applications and uses |
US9694306B2 (en) | 2013-05-24 | 2017-07-04 | Hollingsworth & Vose Company | Filter media including polymer compositions and blends |
US10155186B2 (en) | 2010-12-17 | 2018-12-18 | Hollingsworth & Vose Company | Fine fiber filter media and processes |
US10343095B2 (en) | 2014-12-19 | 2019-07-09 | Hollingsworth & Vose Company | Filter media comprising a pre-filter layer |
US10653986B2 (en) | 2010-12-17 | 2020-05-19 | Hollingsworth & Vose Company | Fine fiber filter media and processes |
CN112176436A (en) * | 2020-09-07 | 2021-01-05 | 江南大学 | Butadiene rubber micro-nanofiber based on solution jet spinning method |
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US7717975B2 (en) * | 2005-02-16 | 2010-05-18 | Donaldson Company, Inc. | Reduced solidity web comprising fiber and fiber spacer or separation means |
JP4697135B2 (en) * | 2006-12-26 | 2011-06-08 | トヨタ紡織株式会社 | Air filter media |
US8343250B2 (en) * | 2007-05-02 | 2013-01-01 | E I Du Pont De Nemours And Company | Bag house filters and media |
JP2009028703A (en) * | 2007-07-24 | 2009-02-12 | Kanai Juyo Kogyo Co Ltd | Filtering medium for air filter |
US8608817B2 (en) * | 2007-11-09 | 2013-12-17 | Hollingsworth & Vose Company | Meltblown filter medium |
US8512432B2 (en) * | 2008-08-01 | 2013-08-20 | David Charles Jones | Composite filter media |
SG10201605780QA (en) | 2009-03-19 | 2016-09-29 | Emd Millipore Corp | Removal of microorganisms from fluid samples using nanofiber filtration media |
US8512519B2 (en) * | 2009-04-24 | 2013-08-20 | Eastman Chemical Company | Sulfopolyesters for paper strength and process |
US8636833B2 (en) * | 2009-09-16 | 2014-01-28 | E I Du Pont De Nemours And Company | Air filtration medium with improved dust loading capacity and improved resistance to high humidity environment |
EP2576880B1 (en) * | 2010-05-25 | 2016-04-27 | Kolon Fashion Material, Inc. | Electrolyte membrane comprising a polyimide porous web |
EP2603611B1 (en) | 2010-08-10 | 2019-12-18 | EMD Millipore Corporation | Method for retrovirus removal |
US20120183861A1 (en) | 2010-10-21 | 2012-07-19 | Eastman Chemical Company | Sulfopolyester binders |
US8518525B2 (en) * | 2010-12-09 | 2013-08-27 | E I Du Pont De Nemours And Company | Polyimide nanoweb with amidized surface and method for preparing |
US11154821B2 (en) | 2011-04-01 | 2021-10-26 | Emd Millipore Corporation | Nanofiber containing composite membrane structures |
US8871052B2 (en) | 2012-01-31 | 2014-10-28 | Eastman Chemical Company | Processes to produce short cut microfibers |
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JP5978460B2 (en) * | 2012-05-25 | 2016-08-24 | パナソニックIpマネジメント株式会社 | AIR FILTER, AIR CLEANING APPARATUS HAVING THE AIR FILTER, AND ITS MANUFACTURING METHOD |
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US9598802B2 (en) | 2013-12-17 | 2017-03-21 | Eastman Chemical Company | Ultrafiltration process for producing a sulfopolyester concentrate |
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DE102014216979A1 (en) | 2014-08-26 | 2016-03-03 | Mahle International Gmbh | final separator |
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US20160256806A1 (en) * | 2015-03-06 | 2016-09-08 | Lydall, Inc. | Composite filter media including a nanofiber layer formed directly onto a conductive layer |
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-
2005
- 2005-09-30 US US11/241,598 patent/US20070074628A1/en not_active Abandoned
-
2006
- 2006-09-29 BR BRPI0617575-9A patent/BRPI0617575A2/en not_active Application Discontinuation
- 2006-09-29 DE DE602006021461T patent/DE602006021461D1/en active Active
- 2006-09-29 EP EP06825260A patent/EP1954373B1/en active Active
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Also Published As
Publication number | Publication date |
---|---|
BRPI0617575A2 (en) | 2011-07-26 |
DE602006021461D1 (en) | 2011-06-01 |
KR20080060264A (en) | 2008-07-01 |
US20070074628A1 (en) | 2007-04-05 |
KR101428818B1 (en) | 2014-08-12 |
EP1954373B1 (en) | 2011-04-20 |
CN101272841B (en) | 2012-03-07 |
WO2007041310A3 (en) | 2007-06-14 |
JP4785928B2 (en) | 2011-10-05 |
EP1954373A2 (en) | 2008-08-13 |
CN101272841A (en) | 2008-09-24 |
JP2009509753A (en) | 2009-03-12 |
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