NL8300437A - Werkwijze en inrichting voor het vervaardigen van een elektreetfiltermedium. - Google Patents
Werkwijze en inrichting voor het vervaardigen van een elektreetfiltermedium. Download PDFInfo
- Publication number
- NL8300437A NL8300437A NL8300437A NL8300437A NL8300437A NL 8300437 A NL8300437 A NL 8300437A NL 8300437 A NL8300437 A NL 8300437A NL 8300437 A NL8300437 A NL 8300437A NL 8300437 A NL8300437 A NL 8300437A
- Authority
- NL
- Netherlands
- Prior art keywords
- corona
- dielectric material
- film
- charging
- charged
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 239000011888 foil Substances 0.000 title abstract description 24
- 238000007600 charging Methods 0.000 claims abstract description 80
- 239000003989 dielectric material Substances 0.000 claims abstract description 60
- 239000000835 fiber Substances 0.000 claims description 77
- 239000000463 material Substances 0.000 claims description 58
- 238000000034 method Methods 0.000 claims description 44
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 239000002657 fibrous material Substances 0.000 claims description 4
- 239000010408 film Substances 0.000 description 79
- 230000035515 penetration Effects 0.000 description 39
- 230000006835 compression Effects 0.000 description 20
- 238000007906 compression Methods 0.000 description 20
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Inorganic materials [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 19
- -1 polypropylene Polymers 0.000 description 16
- 230000000903 blocking effect Effects 0.000 description 13
- 239000004743 Polypropylene Substances 0.000 description 12
- 150000002500 ions Chemical class 0.000 description 12
- 229920001155 polypropylene Polymers 0.000 description 12
- 239000000428 dust Substances 0.000 description 10
- 239000004745 nonwoven fabric Substances 0.000 description 10
- 239000011780 sodium chloride Substances 0.000 description 10
- 230000008901 benefit Effects 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 238000011068 loading method Methods 0.000 description 8
- 150000003839 salts Chemical class 0.000 description 7
- 230000006872 improvement Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000009467 reduction Effects 0.000 description 6
- 230000002349 favourable effect Effects 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 5
- 229910052721 tungsten Inorganic materials 0.000 description 5
- 239000010937 tungsten Substances 0.000 description 5
- 229920002799 BoPET Polymers 0.000 description 4
- 239000005041 Mylar™ Substances 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 3
- 206010061592 cardiac fibrillation Diseases 0.000 description 3
- 208000028659 discharge Diseases 0.000 description 3
- 230000005686 electrostatic field Effects 0.000 description 3
- 230000002600 fibrillogenic effect Effects 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 101100495270 Caenorhabditis elegans cdc-26 gene Proteins 0.000 description 2
- 239000000443 aerosol Substances 0.000 description 2
- 239000002800 charge carrier Substances 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229920001410 Microfiber Polymers 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 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
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000002801 charged material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009760 electrical discharge machining Methods 0.000 description 1
- 238000007786 electrostatic charging Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000003658 microfiber Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000306 polymethylpentene Polymers 0.000 description 1
- 239000011116 polymethylpentene Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
- H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
- H01G7/021—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric
- H01G7/023—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric of macromolecular compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/0081—After-treatment of articles without altering their shape; Apparatus therefor using an electric field, e.g. for electrostatic charging
-
- 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
- B01D2239/10—Filtering material manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/10—Surface shaping of articles, e.g. embossing; Apparatus therefor by electric discharge treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
- B29K2105/0854—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns in the form of a non-woven mat
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Filtering Materials (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8300437A NL8300437A (nl) | 1983-02-04 | 1983-02-04 | Werkwijze en inrichting voor het vervaardigen van een elektreetfiltermedium. |
| AU25749/84A AU565762B2 (en) | 1983-02-04 | 1984-02-02 | Method and apparatus for manufacturing an electret filter medium |
| JP59500960A JPS60500658A (ja) | 1983-02-04 | 1984-02-02 | エレクトレツトフイルタ−用濾材を製造する方法および装置 |
| PCT/US1984/000149 WO1984003193A1 (en) | 1983-02-04 | 1984-02-02 | Method and apparatus for manufacturing an electret filter medium |
| US06/661,365 US4588537A (en) | 1983-02-04 | 1984-02-02 | Method for manufacturing an electret filter medium |
| DE8484300690T DE3473528D1 (en) | 1983-02-04 | 1984-02-03 | Method and apparatus for manufacturing an electret filter medium |
| EP84300690A EP0118216B1 (en) | 1983-02-04 | 1984-02-03 | Method and apparatus for manufacturing an electret filter medium |
| CA000446701A CA1238481A (en) | 1983-02-04 | 1984-02-03 | Method and apparatus for manufacturing an electret filter medium |
| NO843886A NO163806C (no) | 1983-02-04 | 1984-09-27 | Fremgangsmaate og apparat til fremstilling av et elektret-filter-medium. |
| US06/825,364 US4749348A (en) | 1983-02-04 | 1986-02-03 | Apparatus for manufacturing an electret filter medium |
| JP6095173A JPH0829213B2 (ja) | 1983-02-04 | 1994-05-09 | フィルターの製造方法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL8300437A NL8300437A (nl) | 1983-02-04 | 1983-02-04 | Werkwijze en inrichting voor het vervaardigen van een elektreetfiltermedium. |
| NL8300437 | 1983-02-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8300437A true NL8300437A (nl) | 1984-09-03 |
Family
ID=19841356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8300437A NL8300437A (nl) | 1983-02-04 | 1983-02-04 | Werkwijze en inrichting voor het vervaardigen van een elektreetfiltermedium. |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS60500658A (enrdf_load_stackoverflow) |
| NL (1) | NL8300437A (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61272063A (ja) * | 1985-05-29 | 1986-12-02 | 東レ株式会社 | マスク |
| JPH0633571B2 (ja) * | 1988-10-11 | 1994-05-02 | 東レ株式会社 | エレクトレット不織布の製造方法 |
| JPH04358510A (ja) * | 1991-08-09 | 1992-12-11 | Japan Vilene Co Ltd | エレクトレットフィルタの製造方法 |
| JP6798898B2 (ja) * | 2016-02-04 | 2020-12-09 | 積水化学工業株式会社 | エレクトレットシート |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2920679A (en) * | 1956-01-16 | 1960-01-12 | Walsco Company | Method and apparatus for producing fibrous structures |
| JPS5915167B2 (ja) * | 1976-09-25 | 1984-04-07 | 新田ベルト株式会社 | 多孔性シ−トのエレクトレツト成極方法 |
| JPS5915168B2 (ja) * | 1976-09-28 | 1984-04-07 | 新田ベルト株式会社 | エアフイルタ−用濾材の製造方法 |
| JPS6028923B2 (ja) * | 1979-05-28 | 1985-07-08 | 三井化学株式会社 | エレクトレツト化捲縮繊維の製法 |
| JPS5714467A (en) * | 1980-06-30 | 1982-01-25 | Kitou Kogyo Kk | Welding quality detecting method in magnet arc welding |
| JPS57101073A (en) * | 1980-12-10 | 1982-06-23 | Duskin Franchise Co | Production of electoret fiber like molded structure |
-
1983
- 1983-02-04 NL NL8300437A patent/NL8300437A/nl not_active Application Discontinuation
-
1984
- 1984-02-02 JP JP59500960A patent/JPS60500658A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0510961B2 (enrdf_load_stackoverflow) | 1993-02-12 |
| JPS60500658A (ja) | 1985-05-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A1B | A search report has been drawn up | ||
| A85 | Still pending on 85-01-01 | ||
| CNR | Transfer of rights (patent application after its laying open for public inspection) |
Free format text: MINNESOTA MINING AND MANUFACTURING COMPANY |
|
| BV | The patent application has lapsed |