CA2716272C - Polyethylene gas filtration medium comprising fibril layers - Google Patents
Polyethylene gas filtration medium comprising fibril layers Download PDFInfo
- Publication number
- CA2716272C CA2716272C CA2716272A CA2716272A CA2716272C CA 2716272 C CA2716272 C CA 2716272C CA 2716272 A CA2716272 A CA 2716272A CA 2716272 A CA2716272 A CA 2716272A CA 2716272 C CA2716272 C CA 2716272C
- Authority
- CA
- Canada
- Prior art keywords
- membrane
- gas filtration
- filtration medium
- polyethylene
- stretching
- 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.)
- Expired - Fee Related
Links
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 65
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 65
- -1 Polyethylene Polymers 0.000 title claims abstract description 64
- 238000001914 filtration Methods 0.000 title claims abstract description 63
- 239000012528 membrane Substances 0.000 claims abstract description 248
- 239000002245 particle Substances 0.000 claims abstract description 38
- 239000000203 mixture Substances 0.000 claims abstract description 19
- 239000007789 gas Substances 0.000 claims description 36
- 239000011148 porous material Substances 0.000 claims description 29
- 239000002904 solvent Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 20
- 230000035515 penetration Effects 0.000 claims description 19
- 239000002121 nanofiber Substances 0.000 claims description 13
- 229920001410 Microfiber Polymers 0.000 claims description 12
- 239000003658 microfiber Substances 0.000 claims description 12
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims description 5
- 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 claims description 5
- 239000012530 fluid Substances 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 4
- 230000008020 evaporation Effects 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 239000003814 drug Substances 0.000 claims description 3
- 235000013305 food Nutrition 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 240000003864 Ulex europaeus Species 0.000 claims 1
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 abstract description 23
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 abstract description 23
- 238000004378 air conditioning Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 239000003570 air Substances 0.000 description 45
- 238000012360 testing method Methods 0.000 description 18
- 239000004705 High-molecular-weight polyethylene Substances 0.000 description 13
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 13
- 239000004810 polytetrafluoroethylene Substances 0.000 description 13
- 229920006798 HMWPE Polymers 0.000 description 12
- 239000000654 additive Substances 0.000 description 12
- 238000001125 extrusion Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 9
- 229920000295 expanded polytetrafluoroethylene Polymers 0.000 description 8
- 239000000835 fiber Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 229920000098 polyolefin Polymers 0.000 description 4
- 238000001878 scanning electron micrograph Methods 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 239000005662 Paraffin oil Substances 0.000 description 3
- 239000000443 aerosol Substances 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- 238000009736 wetting Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- PXXNTAGJWPJAGM-VCOUNFBDSA-N Decaline Chemical compound C=1([C@@H]2C3)C=C(OC)C(OC)=CC=1OC(C=C1)=CC=C1CCC(=O)O[C@H]3C[C@H]1N2CCCC1 PXXNTAGJWPJAGM-VCOUNFBDSA-N 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000003490 calendering Methods 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920005597 polymer membrane Polymers 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical group [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 description 2
- PXXNTAGJWPJAGM-UHFFFAOYSA-N vertaline Natural products C1C2C=3C=C(OC)C(OC)=CC=3OC(C=C3)=CC=C3CCC(=O)OC1CC1N2CCCC1 PXXNTAGJWPJAGM-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229920002284 Cellulose triacetate Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 229920001756 Polyvinyl chloride acetate Polymers 0.000 description 1
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 239000003849 aromatic solvent Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 108010025899 gelatin film Proteins 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 230000037230 mobility Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002071 nanotube Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 235000015927 pasta Nutrition 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- RVZRBWKZFJCCIB-UHFFFAOYSA-N perfluorotributylamine Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)N(C(F)(F)C(F)(F)C(F)(F)C(F)(F)F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F RVZRBWKZFJCCIB-UHFFFAOYSA-N 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000006254 rheological additive Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000000807 solvent casting Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000007655 standard test method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 238000005382 thermal cycling Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000010407 vacuum cleaning Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/26—Polyalkenes
- B01D71/261—Polyethylene
-
- 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
- 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
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2003—Glass or glassy material
- B01D39/2017—Glass or glassy material the material being filamentary or fibrous
-
- 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
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2027—Metallic material
- B01D39/2041—Metallic material the material being filamentary or fibrous
-
- 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
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2055—Carbonaceous material
- B01D39/2058—Carbonaceous material the material being particulate
-
- 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
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2068—Other inorganic materials, e.g. ceramics
- B01D39/2082—Other inorganic materials, e.g. ceramics the material being filamentary or fibrous
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
- B01D46/543—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
- B01D67/00091—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching by evaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/002—Organic membrane manufacture from melts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/0023—Organic membrane manufacture by inducing porosity into non porous precursor membranes
- B01D67/0025—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching
- B01D67/0027—Organic membrane manufacture by inducing porosity into non porous precursor membranes by mechanical treatment, e.g. pore-stretching by stretching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0086—Mechanical after-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/1213—Laminated layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
- B01D69/1216—Three or more layers
-
- 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
- B01D2239/0241—Types of fibres, filaments or particles, self-supporting or supported materials comprising electrically conductive fibres or particles
-
- 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
- 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
- B01D2239/0407—Additives and treatments of the filtering material comprising particulate additives, e.g. adsorbents
-
- 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
- B01D2239/0442—Antimicrobial, antibacterial, antifungal additives
-
- 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
- B01D2239/045—Deodorising additives
-
- 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
- B01D2239/0457—Specific fire retardant or heat resistant properties
-
- 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
-
- 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
- B01D2239/065—More than one layer present in the filtering material
-
- 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
- B01D2239/065—More than one layer present in the filtering material
- B01D2239/0654—Support layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1208—Porosity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1225—Fibre length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1233—Fibre diameter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1241—Particle diameter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/12—Special parameters characterising the filtering material
- B01D2239/1291—Other parameters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/12—Specific ratios of components used
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/02—Details relating to pores or porosity of the membranes
- B01D2325/0283—Pore size
- B01D2325/02834—Pore size more than 0.1 and up to 1 µm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/04—Characteristic thickness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/20—Specific permeability or cut-off range
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Dispersion Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Filtering Materials (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP08101870.7 | 2008-02-22 | ||
| EP08101870 | 2008-02-22 | ||
| PCT/EP2009/001239 WO2009103556A1 (en) | 2008-02-22 | 2009-02-20 | Polyethylene membrane and method of its production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2716272A1 CA2716272A1 (en) | 2009-08-27 |
| CA2716272C true CA2716272C (en) | 2017-10-17 |
Family
ID=39539520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2716272A Expired - Fee Related CA2716272C (en) | 2008-02-22 | 2009-02-20 | Polyethylene gas filtration medium comprising fibril layers |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US8465565B2 (enExample) |
| EP (1) | EP2268386B8 (enExample) |
| JP (1) | JP5928766B2 (enExample) |
| KR (1) | KR101651298B1 (enExample) |
| CN (1) | CN102015080B (enExample) |
| CA (1) | CA2716272C (enExample) |
| TW (1) | TWI503162B (enExample) |
| WO (1) | WO2009103556A1 (enExample) |
Families Citing this family (48)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2716272C (en) | 2008-02-22 | 2017-10-17 | Lydall Solutech B.V. | Polyethylene gas filtration medium comprising fibril layers |
| US9539532B2 (en) | 2010-01-18 | 2017-01-10 | 3M Innovative Properties Company | Air filter with sorbent particles |
| DE102010005541A1 (de) * | 2010-01-23 | 2011-07-28 | Hydac Filtertechnik GmbH, 66280 | Leitfähiges Filterelement sowie Filtervorrichtung mit Filterelement |
| US20110223486A1 (en) * | 2010-03-12 | 2011-09-15 | Xiaomin Zhang | Biaxially oriented porous membranes, composites, and methods of manufacture and use |
| CN101934171B (zh) * | 2010-08-04 | 2011-12-07 | 奇迪电器集团有限公司 | 用于去除饮用水中多溴代二苯醚的过滤介质及其制备方法 |
| CN101914242B (zh) * | 2010-08-17 | 2013-03-27 | 东华大学 | 超高分子量聚丙烯/超高分子量聚乙烯/环氧树脂复合膜 |
| US20120175298A1 (en) * | 2010-10-21 | 2012-07-12 | Eastman Chemical Company | High efficiency filter |
| US20120183861A1 (en) | 2010-10-21 | 2012-07-19 | Eastman Chemical Company | Sulfopolyester binders |
| CN103747854B (zh) | 2011-06-07 | 2016-12-07 | 迪博因特技术公司 | 包括纳米纤维层的选择性水蒸汽输送膜及其制作方法 |
| WO2012174204A2 (en) | 2011-06-17 | 2012-12-20 | Fiberweb, Inc. | Vapor permeable, substantially water impermeable multilayer article |
| EP2723568B1 (en) | 2011-06-23 | 2017-09-27 | Fiberweb, LLC | Vapor permeable, substantially water impermeable multilayer article |
| US10369769B2 (en) | 2011-06-23 | 2019-08-06 | Fiberweb, Inc. | Vapor-permeable, substantially water-impermeable multilayer article |
| US9765459B2 (en) | 2011-06-24 | 2017-09-19 | Fiberweb, Llc | Vapor-permeable, substantially water-impermeable multilayer article |
| US8882963B2 (en) | 2012-01-31 | 2014-11-11 | Eastman Chemical Company | Processes to produce short cut microfibers |
| CN102743977A (zh) * | 2012-06-18 | 2012-10-24 | 上海百菲特环保科技有限公司 | 一种新型超高分子量聚乙烯中空纤维膜的制备方法 |
| US9617685B2 (en) | 2013-04-19 | 2017-04-11 | Eastman Chemical Company | Process for making paper and nonwoven articles comprising synthetic microfiber binders |
| US9598802B2 (en) | 2013-12-17 | 2017-03-21 | Eastman Chemical Company | Ultrafiltration process for producing a sulfopolyester concentrate |
| US9605126B2 (en) | 2013-12-17 | 2017-03-28 | Eastman Chemical Company | Ultrafiltration process for the recovery of concentrated sulfopolyester dispersion |
| US9073014B1 (en) * | 2014-10-01 | 2015-07-07 | Kuwait Institute For Scientific Research | Nanocomposite mixed-matrix membrane |
| CN105032210B (zh) * | 2015-06-19 | 2019-01-25 | 深圳市星源材质科技股份有限公司 | 一种聚烯烃空气过滤膜及其制备方法 |
| US9919274B2 (en) * | 2015-09-15 | 2018-03-20 | New Jersey Institute Of Technology | Carbon nanotube immobilized super-absorbing membranes |
| EP3429732B1 (en) * | 2016-03-18 | 2023-11-08 | Entegris, Inc. | Hydrophobic polyethylene membrane for use in venting, degassing, and membrane distillation processes |
| CN107794645B (zh) * | 2017-11-23 | 2020-01-24 | 湖北中烟工业有限责任公司 | 一种用于香烟过滤的拒水透气聚苯硫醚滤膜及其制备方法 |
| US11389772B2 (en) * | 2017-12-18 | 2022-07-19 | The Hong Kong University Of Science And Technology | Method for synthesis of flexible multifunctional high-voidage ultrathin PE membranes |
| CN109985534B (zh) * | 2017-12-30 | 2021-08-10 | 浙江大学 | 一种纯活性炭过滤膜及其制备方法与应用 |
| EP3784597A4 (en) * | 2018-04-23 | 2022-02-16 | 2266170 Ontario, Inc. | CAPSULES AND OTHER CONTAINERS WITH OPTIMIZED RECYCLING PROPERTIES AND PROCESSES FOR THE PRODUCTION THEREOF |
| CN109603025B (zh) * | 2018-12-12 | 2022-02-18 | 清华大学 | 一种呼吸过滤装置及其制备方法 |
| KR20220116146A (ko) | 2019-10-08 | 2022-08-22 | 도날드슨 컴파니, 인코포레이티드 | 혼합된 직경 미세 섬유를 포함하는 필터 매체 층 |
| CN112973451B (zh) * | 2019-12-12 | 2022-10-21 | 中国石油化工股份有限公司 | 一种具有微纳复合网络孔结构的聚合物微滤膜及其制备方法和应用 |
| KR20220092591A (ko) | 2019-11-01 | 2022-07-01 | 차이나 페트로리움 앤드 케미컬 코포레이션 | 고분자계 막, 및 이의 제조 방법 및 용도 |
| CN116194187A (zh) | 2020-04-02 | 2023-05-30 | 唐纳森公司 | 过滤介质、复合材料以及使用该过滤介质的面罩系统 |
| EP4126295A1 (en) | 2020-04-03 | 2023-02-08 | Donaldson Company, Inc. | Filtration media |
| US12357043B2 (en) * | 2020-04-09 | 2025-07-15 | Global Graphene Group, Inc. | Graphitic antiviral filtration element and filtration devices containing same |
| KR102969536B1 (ko) * | 2020-05-15 | 2026-05-29 | 엔테그리스, 아이엔씨. | 라미네이팅된 단일 층 복합 막의 형성 방법 |
| CN111744367A (zh) * | 2020-05-29 | 2020-10-09 | 北京交通大学 | 一种纳米材料和mof共同改性有机膜的制备方法及应用 |
| US12558655B2 (en) | 2020-09-17 | 2026-02-24 | The Hong Kong University Of Science And Technology | Transparent reusable ultrahigh molecular weight polyethylene air filter |
| JP7853325B2 (ja) * | 2021-03-30 | 2026-04-28 | インテグリス・インコーポレーテッド | 炭素質材料を含む液体精製膜及びそれらの形成方法 |
| WO2022255453A1 (ja) * | 2021-06-04 | 2022-12-08 | ダイキン工業株式会社 | エアフィルタ濾材、プリーツ状濾材、エアフィルタユニット、マスク用濾材、および、エアフィルタ濾材の再生方法 |
| US12140342B2 (en) * | 2021-07-29 | 2024-11-12 | Taiwan Semiconductor Manufacturing Company Ltd. | Makeup air handling unit in semiconductor fabrication building and method for cleaning air using the same |
| JP7797133B2 (ja) * | 2021-08-10 | 2026-01-13 | 帝人株式会社 | 積層膜 |
| JP7813106B2 (ja) * | 2021-08-10 | 2026-02-12 | 帝人株式会社 | 積層膜 |
| CN115339088B (zh) * | 2022-08-31 | 2025-07-11 | 上海化工研究院有限公司 | 一种高性能聚乙烯扁丝产品及其制备和应用 |
| US11958036B1 (en) * | 2023-09-01 | 2024-04-16 | King Faisal University | Polyethylene-based porous oil sorbent with swellable pockets |
| WO2026020092A1 (en) | 2024-07-19 | 2026-01-22 | W. L. Gore & Associates, Inc. | Polyethylene membrane and acoustic devices comprising a polyethylene membrane |
| WO2026035792A1 (en) | 2024-08-07 | 2026-02-12 | W. L. Gore & Associates, Inc. | Multilayer coated vent assembly |
| US12621940B2 (en) | 2024-08-07 | 2026-05-05 | W. L. Gore & Associates, Inc. | Multilayer vent assembly |
| JP7900730B1 (ja) | 2025-03-31 | 2026-08-05 | ダイキン工業株式会社 | エアフィルタ濾材 |
| KR102971953B1 (ko) | 2026-03-20 | 2026-06-02 | 주식회사디앤씨코리아 | 냉난방 기능 결합형 바이오 필터 유닛 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60242035A (ja) * | 1984-04-27 | 1985-12-02 | Toa Nenryo Kogyo Kk | ポリエチレン微多孔膜の製造方法 |
| US4696748A (en) * | 1984-10-16 | 1987-09-29 | Asahi Medical Co., Ltd. | Plasma separator and a process for preparing the same |
| JPH0790153B2 (ja) * | 1986-04-28 | 1995-10-04 | 三菱化学株式会社 | ポリオレフイン製透過膜及びその製造方法 |
| JPH06104736B2 (ja) * | 1989-08-03 | 1994-12-21 | 東燃株式会社 | ポリオレフィン微多孔膜 |
| JPH051165A (ja) * | 1990-09-27 | 1993-01-08 | Dainippon Printing Co Ltd | 超高分子量ポリエチレン多孔質シートまたはフイルムの製造方法 |
| NL9100278A (nl) * | 1991-02-18 | 1992-09-16 | Stamicarbon | Microporeuze folie en werkwijze voor de vervaardiging daarvan. |
| NL9100279A (nl) * | 1991-02-18 | 1992-09-16 | Stamicarbon | Microporeuze folie uit polyetheen en werkwijze voor de vervaardiging daarvan. |
| US5507847A (en) * | 1994-07-29 | 1996-04-16 | W. L. Gore & Associates, Inc. | ULPA filter |
| ATE268351T1 (de) * | 1997-10-23 | 2004-06-15 | Tonen Sekiyukagaku Kk | Verfahren zur herstellung einer hochdurchlässigen mitroporösen polyolefinische folie |
| CN1113077C (zh) * | 1998-03-24 | 2003-07-02 | 旭化成株式会社 | 聚烯烃微孔膜 |
| US6666969B1 (en) * | 1998-10-01 | 2003-12-23 | Tonen Chemical Corporation | Microporous polyolefin film and process for producing the same |
| JP3584855B2 (ja) * | 1999-10-07 | 2004-11-04 | ダイキン工業株式会社 | エアフィルター濾材 |
| US6409785B1 (en) * | 2000-08-07 | 2002-06-25 | Bha Technologies, Inc. | Cleanable HEPA filter media |
| JP4012822B2 (ja) * | 2001-03-09 | 2007-11-21 | 旭化成ケミカルズ株式会社 | 微多孔膜およびその製造方法 |
| US7323274B1 (en) * | 2004-05-12 | 2008-01-29 | Garrin Samii | Shutdown separators with improved properties |
| US7604687B2 (en) * | 2005-06-03 | 2009-10-20 | Daramic Llc | Gas filtration media |
| KR101243070B1 (ko) * | 2005-09-28 | 2013-03-13 | 도레이 배터리 세퍼레이터 필름 주식회사 | 폴리에틸렌 미세 다공막의 제조 방법 및 전지용 세퍼레이터 |
| US10615388B2 (en) * | 2006-03-22 | 2020-04-07 | Celgard, Llc | Membrane made of a blend of UHMW polyolefins |
| EP2060315A3 (en) * | 2007-11-15 | 2009-08-12 | DSMIP Assets B.V. | High performance membrane |
| CA2716272C (en) | 2008-02-22 | 2017-10-17 | Lydall Solutech B.V. | Polyethylene gas filtration medium comprising fibril layers |
| US20110223486A1 (en) * | 2010-03-12 | 2011-09-15 | Xiaomin Zhang | Biaxially oriented porous membranes, composites, and methods of manufacture and use |
-
2009
- 2009-02-20 CA CA2716272A patent/CA2716272C/en not_active Expired - Fee Related
- 2009-02-20 KR KR1020107021181A patent/KR101651298B1/ko not_active Expired - Fee Related
- 2009-02-20 JP JP2010547117A patent/JP5928766B2/ja not_active Expired - Fee Related
- 2009-02-20 WO PCT/EP2009/001239 patent/WO2009103556A1/en not_active Ceased
- 2009-02-20 CN CN200980114130.5A patent/CN102015080B/zh not_active Expired - Fee Related
- 2009-02-20 EP EP09712105.7A patent/EP2268386B8/en not_active Not-in-force
- 2009-02-20 US US12/866,872 patent/US8465565B2/en not_active Expired - Fee Related
- 2009-02-23 TW TW098105632A patent/TWI503162B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JP5928766B2 (ja) | 2016-06-01 |
| TWI503162B (zh) | 2015-10-11 |
| EP2268386A1 (en) | 2011-01-05 |
| EP2268386B8 (en) | 2016-01-06 |
| EP2268386B1 (en) | 2015-07-22 |
| KR101651298B1 (ko) | 2016-08-25 |
| WO2009103556A1 (en) | 2009-08-27 |
| CN102015080B (zh) | 2014-12-10 |
| TW200948466A (en) | 2009-12-01 |
| JP2011512252A (ja) | 2011-04-21 |
| CN102015080A (zh) | 2011-04-13 |
| CA2716272A1 (en) | 2009-08-27 |
| US20100313753A1 (en) | 2010-12-16 |
| KR20100117127A (ko) | 2010-11-02 |
| US8465565B2 (en) | 2013-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8465565B2 (en) | Polyethylene membrane and method of its production | |
| US8545607B2 (en) | Pleatable composite filter media | |
| JP6773630B2 (ja) | 二軸配向細孔性膜、合成物、ならびに製造および使用の方法 | |
| EP2583735B1 (en) | Filter medium equipped with porous film, filter pack, and filter unit | |
| EP3520873B1 (en) | Air filter medium, air filter pack, and air filter unit | |
| EP3520874B1 (en) | Air filter medium, air filter pack, and air filter unit | |
| EP3538247B1 (en) | Filter media having a density variation | |
| EP3520875B1 (en) | Air filter medium, air filter pack, and air filter unit | |
| KR20090017488A (ko) | 폴리테트라플루오로에틸렌 다공질막의 제조 방법과 필터 여과재 및 필터 유닛 | |
| JP6831494B2 (ja) | 空調機 | |
| CA2999397A1 (en) | Air filter medium, air filter pack, and air filter unit | |
| EP3804832A1 (en) | Filter medium and filter unit including same | |
| JP7527781B2 (ja) | フィルタプリーツパック及びエアフィルタユニット | |
| WO2020138009A1 (ja) | フィルタプリーツパック及びエアフィルタユニット |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20140212 |
|
| MKLA | Lapsed |
Effective date: 20220221 |