CN105780298A - Method for producing gas filtering material by needle-free electrostatic spinning technology and application of gas filtering material - Google Patents
Method for producing gas filtering material by needle-free electrostatic spinning technology and application of gas filtering material Download PDFInfo
- Publication number
- CN105780298A CN105780298A CN201610248254.4A CN201610248254A CN105780298A CN 105780298 A CN105780298 A CN 105780298A CN 201610248254 A CN201610248254 A CN 201610248254A CN 105780298 A CN105780298 A CN 105780298A
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- CN
- China
- Prior art keywords
- filter element
- nanofiber
- electrostatic spinning
- filtering material
- filtration material
- 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.)
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Classifications
-
- 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
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
-
- 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
-
- 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
- D01D5/0069—Electro-spinning characterised by the electro-spinning apparatus characterised by the spinning section, e.g. capillary tube, protrusion or pin
-
- 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
- D01D5/0076—Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
-
- 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
- D04H1/425—Cellulose series
- D04H1/4258—Regenerated cellulose series
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
Abstract
The invention provides a method for producing a gas filtering material by a needle-free electrostatic spinning technology and application of the gas filtering material, belongs to the field of manufacturing of nano fiber materials, and in particular relates to a method for preparing a nano fiber filtering material by taking a cellulose acetate high polymer as the raw material. The method is characterized in that (1) cellulose acetate is dissolved into a single solvent or a mixed solvent, wherein the concentration of the solution is 2.1 percent to 23 percent; (2) cloth or a metal foil or a metal net is used as a substrate; (3) the nano fiber material is prepared by utilizing a needle-free electrostatic spinning method; (4) the material is used as the filtering material for preparing a haze-proof mask or an air purifier.
Description
Technical field
This patent relate to a kind of needleless electrostatic spinning technique produce gas filtering material method and
Its application, belongs to nano material and manufactures field.
Background technology
Cellulose acetate has low cost as common industrial macromolecular material, it is easy to degraded etc.
Advantage and be widely used in the industry such as filter plug, filter cotton.Receive as raw material preparation
Rice fibrous material is also applied to field of Environment Protection and has broad prospects and huge social benefit.
Needleless electrostatic spinning technique is the nano-fiber material preparation method grown up in recent years,
With traditional have pin electrostatic spinning technique compared with, there is yield high, easy industrialized advantage, produce
Amount is several times that have pin electrostatic spinning technique to tens times.The shape of common needleless electrostatic spinning head
Shape has disk, circular cone, annulus, cylinder, ball, screw type, tinsel and above difference
The combination of shape.
It is unified that the nano-fiber material utilizing needleless electrostatic spinning technique to prepare has diameter, major diameter
Than big, the advantages such as porosity is high, it is applied to gas filtering material and has that vapour lock is little, filter efficiency
High tradition clear superiority not available for micron filtration material.
Summary of the invention
Cellulose acetate macromolecular material is combined by the present invention with needleless electrostatic spinning technique, system
For going out the brand-new nano-fiber material with unique advantage, and it is applied to gas filtration material
Material.
A kind of nanofiber filtration material, it is characterised in that: this filtering material is by nanofiber group
Becoming, described nanofiber is acetate fiber, and described nanofiber is three-dimensional staggered network structure,
Three-dimensional staggered network structure is internally formed the most through hole, and hole average-size exists
In the range of 10-200nm, it is possible to ensure that filter material has the breathability of more than 60%;Described filter material
Thickness is 50-300nm, suitably selects filter material thickness according to use condition.
Described nanofiber filtration material is made up of electrostatic spinning process, concrete preparation process bag
Include:
(1) cellulose acetate is dissolved in single solvent or mixed solvent;(2) with cloth, gold
Belonging to paper tinsel or wire netting is substrate, (3) utilize the method for needleless electrostatic spinning to prepare nanofiber
Material.
Described solvent is water, acetic acid, propanoic acid, acetone, butanone, pentanone, hexanone, hexamethylene
Mixing of a kind of or more than one solvents composition in ketone, ketopyrrolidine, methyl pyrrolidone
Bonding solvent.
Cloth described in step (2) includes the clothes such as cotton, non-woven fabrics, woven dacron, silk,
Described metal forming includes the metal formings such as Copper Foil, aluminium foil, iron foil, Alloy Foil, and wire netting includes copper
The wire nettings such as net, wire gauze, stainless (steel) wire.
The electrode shape of the needleless electrostatic spinning technique described in step (3), including one and one
Individual above disk, circular cone, annulus, cylinder, ball, helix, tinsel, zigzag
Bonding jumper and above difform combination.
Detailed description of the invention
Embodiment one
Being dissolved in by cellulose acetate in the mixed solvent of acetic acid and water, acetic acid with the mass ratio of water is
7:3 (w/w), cellulose acetate solution concentration 2.1%;With non-woven fabrics as substrate, utilize disk
Shape needleless electrostatic spinning apparatus prepares nano-fiber material.With this material for gas filtering material system
Standby haze mask and air purifier.
Embodiment two
Cellulose acetate is dissolved in the mixed solvent of acetone and Ketohexamethylene, acetone and the quality of Ketohexamethylene
Ratio is 4:6 (w/w), cellulose acetate solution concentration 23%;With cotton as substrate, utilize
Helical form needleless electrostatic spinning apparatus prepares nano-fiber material.With this material for gas filtration material
Material preparation haze mask and air purifier.
Embodiment three
Cellulose acetate is dissolved in the mixed solvent of butanone and pentanone, butanone and the mass ratio of pentanone
It is 2:8 (w/w), cellulose acetate solution concentration 13%;With copper mesh as substrate, utilize spiral
Shape needleless electrostatic spinning apparatus prepares nano-fiber material.With this material for gas filtering material system
Standby haze mask and air purifier.
Claims (12)
1. a nanofiber filtration material, it is characterised in that: this filtering material is by Nanowire
Dimension composition, described nanofiber is acetate fiber, and described nanofiber is the netted knot of three-dimensional staggered
Structure, three-dimensional staggered network structure is internally formed the most through hole, and hole average-size exists
In the range of 10-200nm, it is possible to ensure that filter material has the breathability of more than 60%;Described filter material
Thickness is 50-300nm, suitably selects filter material thickness according to use condition.
Nanofiber filtration material the most according to claim 1, it is characterised in that: described
Nanofiber filtration material is made up of electrostatic spinning process.
3. the side of the nanofiber filtration material prepared described in any one of claim 1-2
Method, it is characterised in that comprise the steps:
(1) cellulose acetate is dissolved in single solvent or mixed solvent;(2) with cloth, gold
Belonging to paper tinsel or wire netting is substrate, (3) utilize the method for needleless electrostatic spinning to prepare nanofiber
Material.
4. method as claimed in claim 3, is characterized in that: the solvent described in step (1) is
Water, acetic acid, propanoic acid, acetone, butanone, pentanone, hexanone, Ketohexamethylene, ketopyrrolidine, first
The mixed solvent of a kind of or more than one solvents composition in base ketopyrrolidine.
5. method as claimed in claim 3, is characterized in that: the cloth bag described in step (2)
Include the clothes such as cotton, non-woven fabrics, woven dacron, silk, described metal forming include Copper Foil, aluminium foil,
The metal forming such as iron foil, Alloy Foil, wire netting includes the metals such as copper mesh, wire gauze, stainless (steel) wire
Net.
6. method as claimed in claim 3, is characterized in that: the needleless described in step (3)
The electrode shape of electrostatic spinning technique, including one and more than one disk, circular cone, annulus,
Cylinder, ball, helix, tinsel, serrated metal bar and above difform group
Close.
7. utilize the mask that the nanofiber filtration material described in claim 1-2 is made,
It is characterized in that, according to preparation method and the program of mask, described in claim 1-4
Nanofiber filtration material is processed into mask.
8. the purposes of the mask described in claim 7, it is characterised in that this mask can be used in
Haze, anti-dust function, under exceedingly odious weather condition, under the conditions of bad working environments and
Wear under the conditions of common protection.
9. utilize the filter element that the nanofiber filtration material described in claim 1-2 is made,
It is characterized in that, described nanofiber filtration material is processed into given size, for sky
Adjust or the filter element of air purifier.
10. the purposes of the filter element described in claim 9, it is characterised in that described filter element is used as sky
Adjust or the filter element of air purifier.
11. 1 kinds utilize the air purifier that the filter element described in claim 9 is made, and its feature exists
In, the purifying filter element of air purifier is the filter element described in claim 10.
12. 1 kinds utilize the air-conditioning that the filter element described in claim 11 is made, it is characterised in that
The purifying filter element of air-conditioning is made up of the filter element of claim 10.
Priority Applications (1)
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CN201610248254.4A CN105780298A (en) | 2016-04-20 | 2016-04-20 | Method for producing gas filtering material by needle-free electrostatic spinning technology and application of gas filtering material |
Applications Claiming Priority (1)
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CN201610248254.4A CN105780298A (en) | 2016-04-20 | 2016-04-20 | Method for producing gas filtering material by needle-free electrostatic spinning technology and application of gas filtering material |
Publications (1)
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CN105780298A true CN105780298A (en) | 2016-07-20 |
Family
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CN201610248254.4A Pending CN105780298A (en) | 2016-04-20 | 2016-04-20 | Method for producing gas filtering material by needle-free electrostatic spinning technology and application of gas filtering material |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05132842A (en) * | 1991-11-15 | 1993-05-28 | Asahi Fiber Glass Co Ltd | Production of glass fiber mat |
CN101232930A (en) * | 2005-08-08 | 2008-07-30 | 先进粉末技术有限责任公司 | Filter material, method for the production thereof, a filter and filtering method |
CN102277689A (en) * | 2011-07-21 | 2011-12-14 | 东华大学 | Device and method for preparing cellulose fibrous membrane with nanometer structure |
CN103437071A (en) * | 2013-09-11 | 2013-12-11 | 浙江伟星实业发展股份有限公司 | Electrostatic spinning nanofiber membrane as well as preparation method thereof |
CN103459006A (en) * | 2011-04-01 | 2013-12-18 | Emd密理博公司 | Nanofiber containing composite structures |
-
2016
- 2016-04-20 CN CN201610248254.4A patent/CN105780298A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05132842A (en) * | 1991-11-15 | 1993-05-28 | Asahi Fiber Glass Co Ltd | Production of glass fiber mat |
CN101232930A (en) * | 2005-08-08 | 2008-07-30 | 先进粉末技术有限责任公司 | Filter material, method for the production thereof, a filter and filtering method |
CN103459006A (en) * | 2011-04-01 | 2013-12-18 | Emd密理博公司 | Nanofiber containing composite structures |
CN102277689A (en) * | 2011-07-21 | 2011-12-14 | 东华大学 | Device and method for preparing cellulose fibrous membrane with nanometer structure |
CN103437071A (en) * | 2013-09-11 | 2013-12-11 | 浙江伟星实业发展股份有限公司 | Electrostatic spinning nanofiber membrane as well as preparation method thereof |
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Application publication date: 20160720 |