RU2363518C1 - Электретное изделие с гетероатомами и низким коэффициентом насыщения фтором - Google Patents
Электретное изделие с гетероатомами и низким коэффициентом насыщения фтором Download PDFInfo
- Publication number
- RU2363518C1 RU2363518C1 RU2007140556A RU2007140556A RU2363518C1 RU 2363518 C1 RU2363518 C1 RU 2363518C1 RU 2007140556 A RU2007140556 A RU 2007140556A RU 2007140556 A RU2007140556 A RU 2007140556A RU 2363518 C1 RU2363518 C1 RU 2363518C1
- Authority
- RU
- Russia
- Prior art keywords
- electret
- fluorine
- heteroatoms
- product according
- fibers
- Prior art date
Links
- 229910052731 fluorine Inorganic materials 0.000 title claims abstract description 67
- 239000011737 fluorine Substances 0.000 title claims abstract description 67
- 125000005842 heteroatom Chemical group 0.000 title claims abstract description 38
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 title 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 68
- 238000000034 method Methods 0.000 claims abstract description 51
- 238000001914 filtration Methods 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000002861 polymer material Substances 0.000 claims abstract description 12
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 7
- 239000000835 fiber Substances 0.000 claims description 60
- 239000002245 particle Substances 0.000 claims description 55
- 229920000642 polymer Polymers 0.000 claims description 41
- 238000003682 fluorination reaction Methods 0.000 claims description 23
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 19
- 229910052757 nitrogen Inorganic materials 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 229920001410 Microfiber Polymers 0.000 claims description 10
- 239000003658 microfiber Substances 0.000 claims description 10
- 125000001153 fluoro group Chemical group F* 0.000 claims description 9
- 238000004458 analytical method Methods 0.000 claims description 7
- 229910052796 boron Inorganic materials 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 4
- 229920001940 conductive polymer Polymers 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 239000011593 sulfur Substances 0.000 claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- 238000004320 controlled atmosphere Methods 0.000 claims description 2
- 230000002085 persistent effect Effects 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 13
- 239000000126 substance Substances 0.000 abstract description 11
- 150000002221 fluorine Chemical class 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 46
- 239000010410 layer Substances 0.000 description 29
- 239000007789 gas Substances 0.000 description 24
- 150000002500 ions Chemical class 0.000 description 21
- -1 for example Chemical group 0.000 description 18
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 17
- 239000000203 mixture Substances 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 238000005011 time of flight secondary ion mass spectroscopy Methods 0.000 description 11
- 238000002042 time-of-flight secondary ion mass spectrometry Methods 0.000 description 11
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- 238000001228 spectrum Methods 0.000 description 10
- 239000004744 fabric Substances 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 239000000654 additive Substances 0.000 description 7
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- 229920001169 thermoplastic Polymers 0.000 description 6
- 239000004416 thermosoftening plastic Substances 0.000 description 6
- UEOZRAZSBQVQKG-UHFFFAOYSA-N 2,2,3,3,4,4,5,5-octafluorooxolane Chemical compound FC1(F)OC(F)(F)C(F)(F)C1(F)F UEOZRAZSBQVQKG-UHFFFAOYSA-N 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 239000012634 fragment Substances 0.000 description 5
- 229910052734 helium Inorganic materials 0.000 description 5
- 239000001307 helium Substances 0.000 description 5
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 5
- PGFXOWRDDHCDTE-UHFFFAOYSA-N hexafluoropropylene oxide Chemical compound FC(F)(F)C1(F)OC1(F)F PGFXOWRDDHCDTE-UHFFFAOYSA-N 0.000 description 5
- 229920001155 polypropylene Polymers 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 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 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 4
- 125000004429 atom Chemical group 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 229920002313 fluoropolymer Polymers 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
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- 239000007921 spray Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000001269 time-of-flight mass spectrometry Methods 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- 229910001094 6061 aluminium alloy Inorganic materials 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000443 aerosol Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 125000001841 imino group Chemical group [H]N=* 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000010128 melt processing Methods 0.000 description 2
- 229920005594 polymer fiber Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 238000011045 prefiltration Methods 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000005211 surface analysis Methods 0.000 description 2
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical group C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
- IZXIZTKNFFYFOF-UHFFFAOYSA-N 2-Oxazolidone Chemical compound O=C1NCCO1 IZXIZTKNFFYFOF-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 1
- 108010039224 Amidophosphoribosyltransferase Proteins 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229920000776 Poly(Adenosine diphosphate-ribose) polymerase Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
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- 238000001816 cooling Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
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- 229920001971 elastomer Polymers 0.000 description 1
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- 230000001815 facial effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004334 fluoridation Methods 0.000 description 1
- 239000004811 fluoropolymer Substances 0.000 description 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000002169 hydrotherapy Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 239000003701 inert diluent Substances 0.000 description 1
- 229910001506 inorganic fluoride Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000008263 liquid aerosol Substances 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
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- 239000000178 monomer Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000002829 nitrogen Chemical class 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000009832 plasma treatment Methods 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
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
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- 150000003463 sulfur Chemical class 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000002076 thermal analysis method Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Images
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
-
- 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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B23/00—Filters for breathing-protection purposes
- A62B23/02—Filters for breathing-protection purposes for respirators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/28—Plant or installations without electricity supply, e.g. using electrets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S55/00—Gas separation
- Y10S55/33—Gas mask canister
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S55/00—Gas separation
- Y10S55/35—Respirators and register filters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S55/00—Gas separation
- Y10S55/39—Electrets separator
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2164—Coating or impregnation specified as water repellent
- Y10T442/2189—Fluorocarbon containing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
- Y10T442/2221—Coating or impregnation is specified as water proof
- Y10T442/2238—Fluorocarbon containing
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Filtering Materials (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Electrostatic Separation (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Nonwoven Fabrics (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/120,049 US7244292B2 (en) | 2005-05-02 | 2005-05-02 | Electret article having heteroatoms and low fluorosaturation ratio |
| US11/120,049 | 2005-05-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RU2363518C1 true RU2363518C1 (ru) | 2009-08-10 |
Family
ID=37232147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2007140556A RU2363518C1 (ru) | 2005-05-02 | 2006-04-26 | Электретное изделие с гетероатомами и низким коэффициентом насыщения фтором |
Country Status (11)
| Country | Link |
|---|---|
| US (2) | US7244292B2 (enExample) |
| EP (1) | EP1877156B1 (enExample) |
| JP (1) | JP4944099B2 (enExample) |
| KR (1) | KR101391483B1 (enExample) |
| CN (1) | CN101171066B (enExample) |
| AU (1) | AU2006242572B2 (enExample) |
| BR (1) | BRPI0612342A2 (enExample) |
| ES (1) | ES2670194T3 (enExample) |
| PL (1) | PL1877156T3 (enExample) |
| RU (1) | RU2363518C1 (enExample) |
| WO (1) | WO2006118902A2 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2628711C1 (ru) * | 2015-07-31 | 2017-08-21 | Сяоми Инк. | Интеллектуальный респиратор, способ и устройство для вычисления величины абсорбции загрязнителей |
Families Citing this family (49)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7244292B2 (en) * | 2005-05-02 | 2007-07-17 | 3M Innovative Properties Company | Electret article having heteroatoms and low fluorosaturation ratio |
| US7244291B2 (en) * | 2005-05-02 | 2007-07-17 | 3M Innovative Properties Company | Electret article having high fluorosaturation ratio |
| US8187520B2 (en) * | 2006-02-01 | 2012-05-29 | Toray Industries, Inc. | Nonwoven fabric for filters and method of producing the same |
| US7390351B2 (en) * | 2006-02-09 | 2008-06-24 | 3M Innovative Properties Company | Electrets and compounds useful in electrets |
| JP4783707B2 (ja) * | 2006-10-04 | 2011-09-28 | クラレクラフレックス株式会社 | マスク用フィルタ |
| US7837756B2 (en) * | 2007-04-05 | 2010-11-23 | Aaf-Mcquay Inc. | Filter with ePTFE and method of forming |
| US8529671B2 (en) * | 2007-12-06 | 2013-09-10 | 3M Innovative Properties Comany | Electret webs with charge-enhancing additives |
| BRPI0821434A2 (pt) * | 2007-12-28 | 2015-06-16 | 3M Innovative Properties Co | Mantas fibrosas não-tecidas compósitas e métodos de preparo e utilização das mesmas |
| US7765698B2 (en) * | 2008-06-02 | 2010-08-03 | 3M Innovative Properties Company | Method of making electret articles based on zeta potential |
| US20110137082A1 (en) * | 2008-06-02 | 2011-06-09 | Li Fuming B | Charge-enhancing additives for electrets |
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| RU2628711C1 (ru) * | 2015-07-31 | 2017-08-21 | Сяоми Инк. | Интеллектуальный респиратор, способ и устройство для вычисления величины абсорбции загрязнителей |
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Also Published As
| Publication number | Publication date |
|---|---|
| US20070222119A1 (en) | 2007-09-27 |
| KR20080012862A (ko) | 2008-02-12 |
| US20060243139A1 (en) | 2006-11-02 |
| KR101391483B1 (ko) | 2014-05-07 |
| AU2006242572A1 (en) | 2006-11-09 |
| PL1877156T3 (pl) | 2018-09-28 |
| CN101171066A (zh) | 2008-04-30 |
| ES2670194T3 (es) | 2018-05-29 |
| WO2006118902A2 (en) | 2006-11-09 |
| CN101171066B (zh) | 2012-07-18 |
| JP2008540855A (ja) | 2008-11-20 |
| EP1877156B1 (en) | 2018-03-07 |
| US7244292B2 (en) | 2007-07-17 |
| AU2006242572B2 (en) | 2011-03-24 |
| WO2006118902A3 (en) | 2007-01-11 |
| BRPI0612342A2 (pt) | 2010-11-03 |
| EP1877156A2 (en) | 2008-01-16 |
| JP4944099B2 (ja) | 2012-05-30 |
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| MM4A | The patent is invalid due to non-payment of fees |
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