CN110205749B - 一种纳米纤维复合过滤纸的生产工艺 - Google Patents
一种纳米纤维复合过滤纸的生产工艺 Download PDFInfo
- Publication number
- CN110205749B CN110205749B CN201910442603.XA CN201910442603A CN110205749B CN 110205749 B CN110205749 B CN 110205749B CN 201910442603 A CN201910442603 A CN 201910442603A CN 110205749 B CN110205749 B CN 110205749B
- Authority
- CN
- China
- Prior art keywords
- filter paper
- layer
- nanofiber
- spinneret
- receiving screen
- 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.)
- Active
Links
- 239000002121 nanofiber Substances 0.000 title claims abstract description 108
- 239000002131 composite material Substances 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 42
- 239000012528 membrane Substances 0.000 claims abstract description 36
- 239000002904 solvent Substances 0.000 claims abstract description 34
- 238000010041 electrostatic spinning Methods 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000012046 mixed solvent Substances 0.000 claims abstract description 11
- 239000000835 fiber Substances 0.000 claims description 26
- 238000009987 spinning Methods 0.000 claims description 26
- 239000004745 nonwoven fabric Substances 0.000 claims description 21
- 229920000742 Cotton Polymers 0.000 claims description 19
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical group CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 12
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical group CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 8
- 239000004831 Hot glue Substances 0.000 claims description 8
- 230000005684 electric field Effects 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 6
- 125000005373 siloxane group Chemical group [SiH2](O*)* 0.000 claims description 6
- 230000035699 permeability Effects 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000012209 synthetic fiber Substances 0.000 claims description 5
- 229920002994 synthetic fiber Polymers 0.000 claims description 5
- 239000012784 inorganic fiber Substances 0.000 claims description 4
- 229920003043 Cellulose fiber Polymers 0.000 claims description 3
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 3
- 239000004760 aramid Substances 0.000 claims description 3
- 229920006231 aramid fiber Polymers 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 3
- 238000007731 hot pressing Methods 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 47
- 238000000926 separation method Methods 0.000 abstract description 19
- 239000000446 fuel Substances 0.000 abstract description 18
- 238000001914 filtration Methods 0.000 abstract description 10
- 239000000295 fuel oil Substances 0.000 description 10
- 238000001523 electrospinning Methods 0.000 description 9
- 239000003921 oil Substances 0.000 description 9
- 235000019198 oils Nutrition 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000012535 impurity Substances 0.000 description 7
- 239000010419 fine particle Substances 0.000 description 6
- 238000004804 winding Methods 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 239000012188 paraffin wax Substances 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000019476 oil-water mixture Nutrition 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0202—Separation of non-miscible liquids by ab- or adsorption
-
- 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
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
-
- 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
- D04H1/4326—Condensation or reaction polymers
- D04H1/4358—Polyurethanes
-
- 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
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
- D04H1/728—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by electro-spinning
-
- 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
- D04H13/00—Other non-woven fabrics
-
- 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
- B01D2239/0631—Electro-spun
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/20—All layers being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
- B32B2262/0284—Polyethylene terephthalate [PET] or polybutylene terephthalate [PBT]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/14—Mixture of at least two fibres made of different materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2554/00—Paper of special types, e.g. banknotes
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Nonwoven Fabrics (AREA)
- Filtering Materials (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910442603.XA CN110205749B (zh) | 2019-05-25 | 2019-05-25 | 一种纳米纤维复合过滤纸的生产工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910442603.XA CN110205749B (zh) | 2019-05-25 | 2019-05-25 | 一种纳米纤维复合过滤纸的生产工艺 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110205749A CN110205749A (zh) | 2019-09-06 |
CN110205749B true CN110205749B (zh) | 2022-04-08 |
Family
ID=67788678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910442603.XA Active CN110205749B (zh) | 2019-05-25 | 2019-05-25 | 一种纳米纤维复合过滤纸的生产工艺 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110205749B (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115151689B (zh) * | 2020-02-28 | 2024-03-12 | 东丽株式会社 | 层叠无纺布及卫生材料 |
CN111957208B (zh) * | 2020-07-22 | 2025-02-07 | 江苏纳易环保科技有限公司 | 纳米纤维过滤层生产装置 |
CN112221200B (zh) * | 2020-09-18 | 2022-05-03 | 安徽高博过滤科技有限公司 | 一种液压油用油水分离滤材及其制备方法和滤芯 |
CN112359491A (zh) * | 2020-11-02 | 2021-02-12 | 江苏惠沣环保科技有限公司 | 一种四面弹力熔喷无纺布的制备方法 |
CN113026428A (zh) * | 2021-03-04 | 2021-06-25 | 天津科技大学 | 用于空气过滤器的静电纺纳米空气过滤纸及其制备方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102112197A (zh) * | 2008-08-01 | 2011-06-29 | 纳幕尔杜邦公司 | 制造复合过滤介质的方法 |
CN103866492A (zh) * | 2014-03-31 | 2014-06-18 | 北京服装学院 | 一种高效油水分离复合纤维膜及其制备方法 |
CN107050928A (zh) * | 2017-04-28 | 2017-08-18 | 华南理工大学 | 一种油水分离用超疏水超亲油多孔网膜及其制备方法与应用 |
CN107383375A (zh) * | 2017-08-11 | 2017-11-24 | 烟台德邦先进硅材料有限公司 | 一种用于tpu改性的有机硅改性聚酯的制备方法 |
CN107557894A (zh) * | 2017-08-01 | 2018-01-09 | 东华大学 | 一种高效高通量二维网状极细纳米纤维油水分离材料及其制备方法 |
CN107723927A (zh) * | 2017-11-24 | 2018-02-23 | 青岛大学 | 一种具有光敏变色功能的tpu纤维基防水透湿薄膜及其制备方法 |
CN108017897A (zh) * | 2017-11-30 | 2018-05-11 | 广西民族大学 | 一种聚丙烯腈纳米纤维膜/热塑性聚氨酯复合材料及其制备方法 |
CN108049026A (zh) * | 2018-01-08 | 2018-05-18 | 青岛大学 | 一种热塑性聚氨酯纳米纤维膜的制备方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140322512A1 (en) * | 2013-03-15 | 2014-10-30 | Quynh Pham | Core-sheath fibers and methods of making and using same |
-
2019
- 2019-05-25 CN CN201910442603.XA patent/CN110205749B/zh active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102112197A (zh) * | 2008-08-01 | 2011-06-29 | 纳幕尔杜邦公司 | 制造复合过滤介质的方法 |
CN103866492A (zh) * | 2014-03-31 | 2014-06-18 | 北京服装学院 | 一种高效油水分离复合纤维膜及其制备方法 |
CN107050928A (zh) * | 2017-04-28 | 2017-08-18 | 华南理工大学 | 一种油水分离用超疏水超亲油多孔网膜及其制备方法与应用 |
CN107557894A (zh) * | 2017-08-01 | 2018-01-09 | 东华大学 | 一种高效高通量二维网状极细纳米纤维油水分离材料及其制备方法 |
CN107383375A (zh) * | 2017-08-11 | 2017-11-24 | 烟台德邦先进硅材料有限公司 | 一种用于tpu改性的有机硅改性聚酯的制备方法 |
CN107723927A (zh) * | 2017-11-24 | 2018-02-23 | 青岛大学 | 一种具有光敏变色功能的tpu纤维基防水透湿薄膜及其制备方法 |
CN108017897A (zh) * | 2017-11-30 | 2018-05-11 | 广西民族大学 | 一种聚丙烯腈纳米纤维膜/热塑性聚氨酯复合材料及其制备方法 |
CN108049026A (zh) * | 2018-01-08 | 2018-05-18 | 青岛大学 | 一种热塑性聚氨酯纳米纤维膜的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN110205749A (zh) | 2019-09-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110205749B (zh) | 一种纳米纤维复合过滤纸的生产工艺 | |
US20240316483A1 (en) | Self-cleaning filter | |
CN114733267B (zh) | 包括预过滤层的过滤介质 | |
US10080985B2 (en) | Multi-layered filter media | |
CN210264989U (zh) | 一种燃油过滤器滤芯组件 | |
US20160256806A1 (en) | Composite filter media including a nanofiber layer formed directly onto a conductive layer | |
CN106999818A (zh) | 包含细短纤维的过滤介质 | |
EP1276548A1 (en) | Filter media | |
EP2079921A1 (en) | Fuel filter | |
CN107735155A (zh) | 用于燃料流的复合介质 | |
EP3738659A1 (en) | Multi-layered filter media | |
EP3313549B1 (en) | Filter media and methods of producing the same | |
JP6158061B2 (ja) | エアフィルタ用濾材 | |
CN210262501U (zh) | 一种纳米纤维复合过滤纸量产化设备 | |
CN210262500U (zh) | 一种燃油纳米纤维复合过滤纸 | |
JP2023522315A (ja) | 合成繊維で製造された緻密化された層を含む、ガラス繊維を含まないフィルターメディア | |
CN210370978U (zh) | 一种燃油过滤器 | |
CN105396375A (zh) | 一种纳米纤维面层过滤材料及其制备方法 | |
DE102012010313A1 (de) | Filtermaterial für die Filtration von Prozessflüssigkeiten des Funkenerosionsverfahrens | |
JP2021007929A (ja) | 多層複合化濾材及びその製造方法 | |
JP2011184832A (ja) | 燃料サクションフィルタ用フィルタ材 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Production process of nano fiber composite filter paper Effective date of registration: 20220720 Granted publication date: 20220408 Pledgee: Hangzhou United Rural Commercial Bank Co.,Ltd. Haining sub branch Pledgor: ZHEJIANG JIAHAI NEW MATERIAL Co.,Ltd. Registration number: Y2022330001476 |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240621 Address after: Building 3-3/3-4, Building 3, Block B-09, Tourism Commodity Industry Base, Industrial Park, Wuyuan County, Shangrao City, Jiangxi Province, 333200 Patentee after: Jiangxi Jieqi Nano Materials Co.,Ltd. Country or region after: China Address before: 314000 4th and 5th floors, building 6, No.25 Caohejing Road, Haining Economic Development Zone, Haining City, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG JIAHAI NEW MATERIAL Co.,Ltd. Country or region before: China |