AU2009255469B2 - Electret webs with charge-enhancing additives - Google Patents
Electret webs with charge-enhancing additives Download PDFInfo
- Publication number
- AU2009255469B2 AU2009255469B2 AU2009255469A AU2009255469A AU2009255469B2 AU 2009255469 B2 AU2009255469 B2 AU 2009255469B2 AU 2009255469 A AU2009255469 A AU 2009255469A AU 2009255469 A AU2009255469 A AU 2009255469A AU 2009255469 B2 AU2009255469 B2 AU 2009255469B2
- Authority
- AU
- Australia
- Prior art keywords
- alkyl
- aryl
- heteroalkyl
- alkynyl
- alkenyl
- 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
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- 239000000654 additive Substances 0.000 title claims abstract description 43
- 239000000463 material Substances 0.000 claims abstract description 35
- 239000000203 mixture Substances 0.000 claims abstract description 35
- 230000000996 additive effect Effects 0.000 claims abstract description 29
- 238000001914 filtration Methods 0.000 claims abstract description 23
- 229920001410 Microfiber Polymers 0.000 claims abstract description 20
- 239000003658 microfiber Substances 0.000 claims abstract description 20
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 12
- 125000000217 alkyl group Chemical group 0.000 claims description 55
- 125000003118 aryl group Chemical group 0.000 claims description 55
- 125000003342 alkenyl group Chemical group 0.000 claims description 43
- 125000000304 alkynyl group Chemical group 0.000 claims description 43
- 125000004404 heteroalkyl group Chemical group 0.000 claims description 43
- 125000000547 substituted alkyl group Chemical group 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 35
- 229910052739 hydrogen Inorganic materials 0.000 claims description 29
- 239000001257 hydrogen Substances 0.000 claims description 29
- -1 polypropylene Polymers 0.000 claims description 22
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 12
- 239000004743 Polypropylene Substances 0.000 claims description 10
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 10
- 229920001169 thermoplastic Polymers 0.000 claims description 10
- 239000004416 thermosoftening plastic Substances 0.000 claims description 10
- 229920001155 polypropylene Polymers 0.000 claims description 9
- 239000012943 hotmelt Substances 0.000 claims description 6
- 125000001624 naphthyl group Chemical group 0.000 claims description 6
- 125000005577 anthracene group Chemical group 0.000 claims description 5
- 239000012815 thermoplastic material Substances 0.000 claims description 5
- RYPKRALMXUUNKS-UHFFFAOYSA-N hex-2-ene Chemical compound CCCC=CC RYPKRALMXUUNKS-UHFFFAOYSA-N 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 2
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 229920000306 polymethylpentene Polymers 0.000 claims 3
- 239000011116 polymethylpentene Substances 0.000 claims 3
- 229920005606 polypropylene copolymer Polymers 0.000 claims 3
- 101100005001 Caenorhabditis elegans cah-5 gene Proteins 0.000 claims 1
- 238000003851 corona treatment Methods 0.000 claims 1
- 125000004432 carbon atom Chemical group C* 0.000 description 19
- 239000000835 fiber Substances 0.000 description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 14
- 238000003786 synthesis reaction Methods 0.000 description 13
- 239000000443 aerosol Substances 0.000 description 12
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 11
- 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 11
- 150000002431 hydrogen Chemical class 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 10
- 238000000921 elemental analysis Methods 0.000 description 10
- 230000002708 enhancing effect Effects 0.000 description 10
- 239000007787 solid Substances 0.000 description 9
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- 239000011347 resin Substances 0.000 description 7
- 125000001424 substituent group Chemical group 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229920001577 copolymer Polymers 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 5
- 239000011630 iodine Substances 0.000 description 5
- 229910052740 iodine Inorganic materials 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 150000003254 radicals Chemical group 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000005481 NMR spectroscopy Methods 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 4
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- 239000007788 liquid Substances 0.000 description 4
- 238000003760 magnetic stirring Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000035515 penetration Effects 0.000 description 4
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- 238000002203 pretreatment Methods 0.000 description 4
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- 238000013112 stability test Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- KLPPPIIIEMUEGP-UHFFFAOYSA-N 4-dodecylaniline Chemical compound CCCCCCCCCCCCC1=CC=C(N)C=C1 KLPPPIIIEMUEGP-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 125000003277 amino group Chemical group 0.000 description 3
- 125000004429 atom Chemical group 0.000 description 3
- 125000002837 carbocyclic group Chemical group 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 239000008188 pellet Substances 0.000 description 3
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- 239000002904 solvent Substances 0.000 description 3
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- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- JPYHHZQJCSQRJY-UHFFFAOYSA-N Phloroglucinol Natural products CCC=CCC=CCC=CCC=CCCCCC(=O)C1=C(O)C=C(O)C=C1O JPYHHZQJCSQRJY-UHFFFAOYSA-N 0.000 description 2
- 238000010923 batch production Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 2
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- 238000011437 continuous method Methods 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
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- 239000012530 fluid Substances 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 125000005842 heteroatom Chemical group 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- QCDYQQDYXPDABM-UHFFFAOYSA-N phloroglucinol Chemical compound OC1=CC(O)=CC(O)=C1 QCDYQQDYXPDABM-UHFFFAOYSA-N 0.000 description 2
- 229960001553 phloroglucinol Drugs 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229920001897 terpolymer Polymers 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- OGIQUQKNJJTLSZ-UHFFFAOYSA-N 4-butylaniline Chemical compound CCCCC1=CC=C(N)C=C1 OGIQUQKNJJTLSZ-UHFFFAOYSA-N 0.000 description 1
- 241000217266 Ansonia Species 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 101710143098 Paralytic peptide 1 Proteins 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000012963 UV stabilizer Substances 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000001345 alkine derivatives Chemical class 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 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
- 238000004458 analytical method Methods 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-YPZZEJLDSA-N carbon-10 atom Chemical group [10C] OKTJSMMVPCPJKN-YPZZEJLDSA-N 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
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- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000005865 ionizing radiation Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
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- 125000004370 n-butenyl group Chemical group [H]\C([H])=C(/[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
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- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 125000002568 propynyl group Chemical group [*]C#CC([H])([H])[H] 0.000 description 1
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- ASWVTGNCAZCNNR-UHFFFAOYSA-N sulfamethazine Chemical compound CC1=CC(C)=NC(NS(=O)(=O)C=2C=CC(N)=CC=2)=N1 ASWVTGNCAZCNNR-UHFFFAOYSA-N 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
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- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
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Classifications
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
- Y10T442/2418—Coating or impregnation increases electrical conductivity or anti-static quality
- Y10T442/2426—Elemental carbon 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
- Y10T442/2418—Coating or impregnation increases electrical conductivity or anti-static quality
- Y10T442/2459—Nitrogen 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.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/608—Including strand or fiber material which is of specific structural definition
- Y10T442/614—Strand or fiber material specified as having microdimensions [i.e., microfiber]
- Y10T442/626—Microfiber is synthetic polymer
-
- 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.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/68—Melt-blown nonwoven fabric
-
- 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.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/696—Including strand or fiber material which is stated to have specific attributes [e.g., heat or fire resistance, chemical or solvent resistance, high absorption for aqueous compositions, water solubility, heat shrinkability, etc.]
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Filtering Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Electrostatic Separation (AREA)
- Artificial Filaments (AREA)
- Nonwoven Fabrics (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US5804108P | 2008-06-02 | 2008-06-02 | |
| US61/058,041 | 2008-06-02 | ||
| PCT/US2009/042652 WO2009148744A2 (en) | 2008-06-02 | 2009-05-04 | Electret webs with charge-enhancing additives |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2009255469A1 AU2009255469A1 (en) | 2009-12-10 |
| AU2009255469B2 true AU2009255469B2 (en) | 2012-03-29 |
Family
ID=41398755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2009255469A Ceased AU2009255469B2 (en) | 2008-06-02 | 2009-05-04 | Electret webs with charge-enhancing additives |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US8613795B2 (enExample) |
| EP (1) | EP2294257B1 (enExample) |
| JP (1) | JP5676433B2 (enExample) |
| KR (1) | KR101577089B1 (enExample) |
| CN (1) | CN102046871B (enExample) |
| AU (1) | AU2009255469B2 (enExample) |
| BR (1) | BRPI0909959B1 (enExample) |
| PL (1) | PL2294257T3 (enExample) |
| RU (1) | RU2448207C1 (enExample) |
| WO (1) | WO2009148744A2 (enExample) |
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- 2009-05-04 KR KR1020107029709A patent/KR101577089B1/ko not_active Expired - Fee Related
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- 2009-05-04 EP EP20090758907 patent/EP2294257B1/en active Active
- 2009-05-04 AU AU2009255469A patent/AU2009255469B2/en not_active Ceased
- 2009-05-04 BR BRPI0909959A patent/BRPI0909959B1/pt not_active IP Right Cessation
- 2009-05-04 CN CN2009801202648A patent/CN102046871B/zh active Active
- 2009-05-04 RU RU2010148558/12A patent/RU2448207C1/ru not_active IP Right Cessation
- 2009-05-04 JP JP2011512498A patent/JP5676433B2/ja not_active Expired - Fee Related
- 2009-05-04 US US12/995,709 patent/US8613795B2/en active Active
- 2009-05-04 PL PL09758907T patent/PL2294257T3/pl unknown
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Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0909959B1 (pt) | 2018-11-13 |
| CN102046871B (zh) | 2013-02-13 |
| WO2009148744A2 (en) | 2009-12-10 |
| AU2009255469A1 (en) | 2009-12-10 |
| US8613795B2 (en) | 2013-12-24 |
| EP2294257A2 (en) | 2011-03-16 |
| JP5676433B2 (ja) | 2015-02-25 |
| KR101577089B1 (ko) | 2015-12-11 |
| CN102046871A (zh) | 2011-05-04 |
| JP2011524472A (ja) | 2011-09-01 |
| BRPI0909959A2 (pt) | 2015-10-06 |
| US20110154987A1 (en) | 2011-06-30 |
| PL2294257T3 (pl) | 2014-06-30 |
| EP2294257B1 (en) | 2014-01-22 |
| RU2448207C1 (ru) | 2012-04-20 |
| WO2009148744A3 (en) | 2010-02-25 |
| KR20110022645A (ko) | 2011-03-07 |
| EP2294257A4 (en) | 2013-01-23 |
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