CN106319758A - PEI/chitosan graft copolymer compositeelectretfiber membrane filtration materialprepared through electrostatic spinning and preparation method thereof - Google Patents
PEI/chitosan graft copolymer compositeelectretfiber membrane filtration materialprepared through electrostatic spinning and preparation method thereof Download PDFInfo
- Publication number
- CN106319758A CN106319758A CN201610998785.5A CN201610998785A CN106319758A CN 106319758 A CN106319758 A CN 106319758A CN 201610998785 A CN201610998785 A CN 201610998785A CN 106319758 A CN106319758 A CN 106319758A
- Authority
- CN
- China
- Prior art keywords
- pei
- spinning
- parts
- chitosan graft
- preparation
- 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.)
- Pending
Links
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
- D04H1/4326—Condensation or reaction polymers
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/94—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of other polycondensation products
-
- 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
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/13—Physical properties anti-allergenic or anti-bacterial
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2505/00—Industrial
- D10B2505/04—Filters
Abstract
The invention discloses a PEI/chitosan graft copolymer compositeelectretfiber membrane filtration materialprepared through electrostatic spinning. The PEI/chitosan graft copolymer compositeelectretfiber membrane filtration material is prepared from, by weight, 75-90 parts of polyether imide, 7-12 parts of silicon oxide, 8-15 parts of powdery activated carbon, 1-3 parts of3-aminopropyltriethoxysilane coupling agent, 0.8-2 parts ofglacial acetic acid, a proper amount of deionized water, 3-7 parts ofmetatitanic acid, a proper amount of 0.6 mol/L AgNO3 solution, a proper amount of N-methyl pyrrolidone,7-18 parts of chitosan grafted maleic anhydride and 0.6-2 parts ofwhite oil. The silicon nanowirescontaining alpha-quartz are prepared by adopting the material, the compositeelectretfiber membrane filtration materialis prepared through an electrostatic spinning technology, has excellent charge storage stability performance, and the filtering efficiency of the filtration material is greatly improved. In addition, the nano silver supported titanium dioxide is added, the antibacterial endurance performance of the filtration material is improved, and a long-term and efficient filtering effect is achieved.
Description
Technical field
The invention belongs to field of air filtration, be specifically related to a kind of electro-spinning and be combined electret for PEI/ chitosan graft thing
Fibrous membrane filtration material and preparation method thereof.
Technical background
Along with going deep into and fast-developing of process of industrialization, the dust granules thing being discharged in air sharply increases, wherein
The PM2.5(particle diameter particulate pollutant less than 2.5 m) health of the mankind can be caused serious injury, it is inhaled into meeting after human body
Being directly entered bronchus, cause the diseases such as asthma, bronchitis, pneumoconiosis and cardiovascular diseases, this is to cause China's patients with lung cancer anxious
Increase severely the one of the main reasons added.Therefore air filter unit becomes study hotspot, the research of its core filtering material and opening
Send out and become the most important thing especially.
Traditional melt-blown non-woven electret material processes through electret, and on the band of surface, electric charge makes it have higher filtration effect
Rate, but its charge stability is the most affected by environment, and charge decay rate is very fast, filter efficiency declines to a great extent therewith.Additionally, stay
Pole process adds production cost the most to a certain extent as a necessary aftertreatment technology.
Electrostatic spinning process needs to apply high pressure, adds the inorganic electret of excellent performance, by quiet in spinning solution
Electrospun, makes fiber and electrodeless electret all bring electric charge, utilizes Electrostatic Absorption can be greatly enhanced Static Spinning/electret and is combined
The filter efficiency of fibrous membrane, and reduce resistance pressure drop, PM2.5 effectively can be protected.
Li little Qi, high brilliant pair et al. are " electret Polyetherimide-silica nano fibrous membrane answering in air filtration
With " literary composition uses electrostatic spinning technique, first with Polyetherimide (PEI) as raw material, the PEI preparing variable concentrations is molten
Liquid, adds the electrets such as silicon dioxide, silicon nitride, Barium metatitanate., and the addition of electret makes big quantity space in electrostatic spinning fiber film strips
Electric charge so that it is filter efficiency is greatly improved.
Silicon nanowires is joined in Polyetherimide spinning liquid as inorganic electret by the present invention, prepares Polyetherimide
Composite fibre filtering material, adds Ag-carried nanometer titanium dioxide and improves the antimicrobial form of composite fibre filtering material, improve electret
The strainability of filtering material.
Summary of the invention
Not enough for prior art, the present invention provides a kind of electro-spinning to be combined electret fiber for PEI/ chitosan graft thing
Membrane filtration material and preparation method thereof.
A kind of electro-spinning is combined electret Fibrous membrane filtration material for PEI/ chitosan graft thing, former by following weight portion
Material component: Polyetherimide 75-90 part, silicon monoxide 7-12 part, Powdered Activated Carbon 8-15 part, 3-aminopropyl triethoxysilane
Coupling agent 1-3 part, glacial acetic acid 0.8-2 part, deionized water is appropriate, metatitanic acid 3-7 part, the AgNO of 0.6mol/L3Solution is appropriate, N-
Methyl pyrrolidone is appropriate, chitosan graft maleic anhydride 7-18 part, white oil 0.6-2 part.
Specifically comprise the following steps that
(1) preparation of Ag-carried nanometer titanium dioxide:
Being added by metatitanic acid in deionized water, control solution concentration, at 0.4-0.7mol/L, is heated to 105-125 DEG C and makes it maintain
Boiling, occurs hydrolysis to generate white metatitanic acid precipitation, and centrifugal filtration, washing no longer detect SO to precipitation4 2-Ion, leaching
Stain is at the AgNO of 0.6mol/L3In solution, calcine 1-2 hour at 460-490 DEG C after drying at 70-90 DEG C, obtain carrying silver
Nano titanium oxide；
(2) preparation of silicon nanowires:
The little porcelain boat that will be equipped with silicon monoxide powder is placed horizontally in the middle of alumina tube, then this pipe is placed on high temperature process furnances
In, evacuation at 80-100Pa, then temperature is increased to respectively 100-200,800-1100 DEG C and respectively insulation 50-70 divide
Clock, is warmed up to 1300-1400 DEG C afterwards and is incubated 3-5 hour；Cool to 550-650 DEG C with the speed of 1-3 DEG C/min afterwards and protect
Temperature 20-40 minute, simultaneously blasts air to furnace chamber with 50sccm, naturally cools to room temperature, obtain silicon nanowires, standby；
(3) preparation of activated carbon supported silicon nanowires:
1., by 3-aminopropyl triethoxysilane coupling agent join deionized water, and regulate pH to 4 with a small amount of glacial acetic acid,
Stir 20-40 minute under room temperature, add the silicon nanowires that step (1) obtains afterwards, little 80-100 DEG C of back flow reaction 11-13
Time, sucking filtration, wash, be dried, obtain silicon amide nanowire composite；
2., the silicon amide nanowire composite obtained, Powdered Activated Carbon are joined deionized water, with ultrasound wave 40 DEG C,
Under conditions of 150W mix 20-40 minute, aging 24 hours of standing at room temperature, with deionized water clean repeatedly to effluent in
Property, 110-120 DEG C dry 10-14 hour to constant weight, then be placed in Muffle furnace 380-420 DEG C of roasting 3-5 hour, cool down, be dried,
Prepare activated carbon supported silicon nanowires；
(4) PEI/ chitosan graft maleic anhydride is blended the preparation of particle:
Weigh dried Polyetherimide, chitosan graft maleic anhydride and white oil, be placed in high-speed kneading machine, keep turning
Speed 500-6000rpm/min, high-speed stirred 30-60 minute, add mixture into double screw extruder charge door, through twin screw
Extruder melt blending rear haulage pelletizing, obtains PEI/ chitosan graft maleic anhydride and particle is blended；
(5) preparation of spinning solution:
Step (1) 1., obtains Ag-carried nanometer titanium dioxide, step (3) prepares activated carbon supported silicon nanowires and adds N-methyl
In ketopyrrolidine, it is placed in ultrasonic cleaner ultrasonic 1-3 hour, is set to solution A；
2., at ambient temperature, PEI/ chitosan graft maleic anhydride prepared by step (4) is blended particle and N-methylpyrrole
Alkanone is sufficiently stirred for dissolving with the ratio mixing of 1:3-4, uses ParafilmTM bottleneck, is placed on 55-65 DEG C of heating 18-22 in oil bath
Hour, it is set to solution B, is placed on magnetic stirring apparatus stirring, be slowly added to above-mentioned solution A, continue stirring 7-9 hour, be configured to
The spinning liquid of good fluidity；
(6) above-mentioned spinning solution is carried out electrostatic spinning, obtain electrostatic spinning nano fiber electret filtering material.
Wherein, described electrostatic spinning process parameter is: voltage is 1-50KV, and syringe needle is 0.1-to receiving template distance
2m, spinnerette diameters is 1 μm-2mm, and spinning speed is 0.1-20mL/h, and the spinning time is 8-10 hour, and ambient temperature is 20-
60 DEG C, envionmental humidity is 20-80%.
Compared with prior art, the invention have the advantages that
(1) present invention prepares the silicon nanowires containing alpha-quartz, owing to the volumetric expansion in alpha-quartz forming process is by outer layer
Amorphous silica limit and make alpha-quartz create piezoelectric effect, the electric charge of generation is stored in outer layer simultaneously and has good
In the amorphous silica layer of good electric charge storge quality, thus show good electret behavior, by electrostatic spinning skill
Art one step prepares Static Spinning/electret composite fibre filtering material, have that aperture is little, porosity is high when purifying PM2.5 particle,
The advantages such as low-drag, and there is the Charge Storage Stability energy of excellence, it is greatly improved the filter efficiency of filter material.
(2) activated carbon has abundant pore structure and unique chemical functional group, is environmentally friendly superior adsorbent,
The present invention uses activated carbon supported silicon nanowires after silane coupler processes, and improves the activated carbon load to silicon nanowires
Amount, both improve filter material to the absorption of harmful substance in air at compounding use.
(3) use nanometer silver be loaded into nano titanium oxide carry out surface modification, can by light utilize range expansion to arrive can
See light, under conditions of visible light catalytic, realize the harmful substance such as micronic dust decomposing in the air of filtering material Long-Term Sorption, and
And both are collaborative decomposes the microorganisms such as antibacterial, the virus grown on filtering materials, the self-cleaning performance of raising filtering material, antibacterial
Enduring quality, reaches long-term efficient filter effect.
(4) present invention is with Polyetherimide as polymeric matrix, and choosing chitosan graft maleic anhydride is antibacterial, uses
Melt extrude technique, utilize double screw extruder to prepare PEI/ chitosan graft maleic anhydride and particle is blended, be effectively improved polyethers
Acid imide and the compatibility of chitosan, improve the strainability of composite cellulosic membrane filtering material.
Detailed description of the invention
A kind of electro-spinning is combined electret Fibrous membrane filtration material for PEI/ chitosan graft thing, former by following weight portion
Material component: Polyetherimide 85, silicon monoxide 9, Powdered Activated Carbon 13,3-aminopropyl triethoxysilane coupling agent 2, glacial acetic acid
1.5, deionized water is appropriate, metatitanic acid 6, the AgNO of 0.6mol/L3Solution is appropriate, and N-Methyl pyrrolidone is appropriate, chitosan grafted
Branch maleic anhydride 15, white oil 2.
Specifically comprise the following steps that
(1) preparation of Ag-carried nanometer titanium dioxide:
Being added by metatitanic acid in deionized water, control solution concentration, at 0.6mol/L, is heated to 115 DEG C and makes it maintain boiling, sends out
Raw hydrolysis generates white metatitanic acid precipitation, and centrifugal filtration, washing no longer detect SO to precipitation4 2-Ion, is immersed in
The AgNO of 0.6mol/L3In solution, calcine 1 hour at 480 DEG C after drying at 80 DEG C, obtain Ag-carried nanometer titanium dioxide；
(2) preparation of silicon nanowires:
The little porcelain boat that will be equipped with silicon monoxide powder is placed horizontally in the middle of alumina tube, then this pipe is placed on high temperature process furnances
In, temperature, at 90Pa, is then increased to 200,900 DEG C and is incubated 60 minutes respectively, being warmed up to 1350 afterwards by evacuation respectively
DEG C insulation 4 hours；Cool to 600 DEG C with the speed of 2 DEG C/min afterwards and be incubated 30 minutes, blasting air with 50sccm simultaneously and arrive
Furnace chamber, naturally cools to room temperature, obtains silicon nanowires, standby；
(3) preparation of activated carbon supported silicon nanowires:
1., by 3-aminopropyl triethoxysilane coupling agent join deionized water, and regulate pH to 4 with a small amount of glacial acetic acid,
Stir 30 minutes under room temperature, add the silicon nanowires that step (1) obtains afterwards, 95 DEG C of back flow reaction 12 hours, sucking filtration, wash
Wash, be dried, obtain silicon amide nanowire composite；
2., the silicon amide nanowire composite obtained, Powdered Activated Carbon are joined deionized water, with ultrasound wave 40 DEG C,
Under conditions of 150W mix 30 minutes, aging 24 hours of standing at room temperature, with deionized water clean repeatedly to effluent be neutrality,
115 DEG C dry 12 hours to constant weight, then be placed in Muffle furnace 400 DEG C of roastings 4 hours, cool down, be dried, prepare activated carbon supported silicon
Nano wire；
(4) PEI/ chitosan graft maleic anhydride is blended the preparation of particle:
Weigh dried Polyetherimide, chitosan graft maleic anhydride and white oil, be placed in high-speed kneading machine, keep turning
Speed 4000rpm/min, high-speed stirred 40 minutes, add mixture into double screw extruder charge door, through double screw extruder
Melt blending rear haulage pelletizing, obtains PEI/ chitosan graft maleic anhydride and particle is blended；
(5) preparation of spinning solution:
Step (1) 1., obtains Ag-carried nanometer titanium dioxide, step (3) prepares activated carbon supported silicon nanowires and adds N-methyl
In ketopyrrolidine, it is placed in ultrasonic cleaner ultrasonic 2 hours, is set to solution A；
2., at ambient temperature, PEI/ chitosan graft maleic anhydride prepared by step (4) is blended particle and N-methylpyrrole
Alkanone mixes with the ratio of 1:4 and is sufficiently stirred for dissolving, and uses ParafilmTM bottleneck, is placed in oil bath 60 DEG C and heats 20 hours, if
For solution B, it is placed on magnetic stirring apparatus stirring, is slowly added to above-mentioned solution A, continue stirring 8 hours, be configured to good fluidity
Spinning liquid；
(6) above-mentioned spinning solution is carried out electrostatic spinning, obtain electrostatic spinning nano fiber electret filtering material.
Wherein, described electrostatic spinning process parameter is: voltage is 12KV, and syringe needle is 20cm to receiving template distance, spray
Silk a diameter of 0.5mm, spinning speed is 0.6mL/h, and the spinning time is 9 hours, and ambient temperature is 25 DEG C, envionmental humidity
It is 55%.
Properties of product test result:
Breathability: 186.76L/m2S, porosity:>80%, pressure drag:<20Pa, can to the filter efficiency of the granule of 0.006-1 μm
Reach more than 99.999%.
Claims (3)
1. an electro-spinning is combined electret Fibrous membrane filtration material for PEI/ chitosan graft thing, it is characterised in that by following
The raw material components of weight portion: Polyetherimide 75-90 part, silicon monoxide 7-12 part, Powdered Activated Carbon 8-15 part, 3-aminopropyl three
Ethoxysilane coupling agent 1-3 part, glacial acetic acid 0.8-2 part, deionized water is appropriate, metatitanic acid 3-7 part, the AgNO of 0.6mol/L3
Solution is appropriate, and N-Methyl pyrrolidone is appropriate, chitosan graft maleic anhydride 7-18 part, white oil 0.6-2 part.
2. it is combined electret Fibrous membrane filtration material according to a kind of electro-spinning described in claims 1 for PEI/ chitosan graft thing
The preparation method of material, it is characterised in that specifically comprise the following steps that
(1) preparation of Ag-carried nanometer titanium dioxide:
Being added by metatitanic acid in deionized water, control solution concentration, at 0.4-0.7mol/L, is heated to 105-125 DEG C and makes it maintain
Boiling, occurs hydrolysis to generate white metatitanic acid precipitation, and centrifugal filtration, washing no longer detect SO to precipitation4 2-Ion, leaching
Stain is at the AgNO of 0.6mol/L3In solution, calcine 1-2 hour at 460-490 DEG C after drying at 70-90 DEG C, obtain carrying silver
Nano titanium oxide；
(2) preparation of silicon nanowires:
The little porcelain boat that will be equipped with silicon monoxide powder is placed horizontally in the middle of alumina tube, then this pipe is placed on high temperature process furnances
In, evacuation at 80-100Pa, then temperature is increased to respectively 100-200,800-1100 DEG C and respectively insulation 50-70 divide
Clock, is warmed up to 1300-1400 DEG C afterwards and is incubated 3-5 hour；Cool to 550-650 DEG C with the speed of 1-3 DEG C/min afterwards and protect
Temperature 20-40 minute, simultaneously blasts air to furnace chamber with 50sccm, naturally cools to room temperature, obtain silicon nanowires, standby；
(3) preparation of activated carbon supported silicon nanowires:
1., by 3-aminopropyl triethoxysilane coupling agent join deionized water, and regulate pH to 4 with a small amount of glacial acetic acid,
Stir 20-40 minute under room temperature, add the silicon nanowires that step (1) obtains afterwards, little 80-100 DEG C of back flow reaction 11-13
Time, sucking filtration, wash, be dried, obtain silicon amide nanowire composite；
2., the silicon amide nanowire composite obtained, Powdered Activated Carbon are joined deionized water, with ultrasound wave 40 DEG C,
Under conditions of 150W mix 20-40 minute, aging 24 hours of standing at room temperature, with deionized water clean repeatedly to effluent in
Property, 110-120 DEG C dry 10-14 hour to constant weight, then be placed in Muffle furnace 380-420 DEG C of roasting 3-5 hour, cool down, be dried,
Prepare activated carbon supported silicon nanowires；
(4) PEI/ chitosan graft maleic anhydride is blended the preparation of particle:
Weigh dried Polyetherimide, chitosan graft maleic anhydride and white oil, be placed in high-speed kneading machine, keep turning
Speed 500-6000rpm/min, high-speed stirred 30-60 minute, add mixture into double screw extruder charge door, through twin screw
Extruder melt blending rear haulage pelletizing, obtains PEI/ chitosan graft maleic anhydride and particle is blended；
(5) preparation of spinning solution:
Step (1) 1., obtains Ag-carried nanometer titanium dioxide, step (3) prepares activated carbon supported silicon nanowires and adds N-methyl
In ketopyrrolidine, it is placed in ultrasonic cleaner ultrasonic 1-3 hour, is set to solution A；
2., at ambient temperature, PEI/ chitosan graft maleic anhydride prepared by step (4) is blended particle and N-methylpyrrole
Alkanone is sufficiently stirred for dissolving with the ratio mixing of 1:3-4, uses ParafilmTM bottleneck, is placed on 55-65 DEG C of heating 18-22 in oil bath
Hour, it is set to solution B, is placed on magnetic stirring apparatus stirring, be slowly added to above-mentioned solution A, continue stirring 7-9 hour, be configured to
The spinning liquid of good fluidity；
(6) above-mentioned spinning solution is carried out electrostatic spinning, obtain electrostatic spinning nano fiber electret filtering material.
3. according to described in claims 2 one electro-spinning processed be combined electret fibrous membrane mistake for PEI/ chitosan graft thing
Filtering material Preparation Method, it is characterised in that described electrostatic spinning process parameter is: voltage is 1-50KV, syringe needle is to receiving template
Distance is 0.1-2m, and spinnerette diameters is 1 μm-2mm, and spinning speed is 0.1-20mL/h, and the spinning time is 8-10 hour, environment
Temperature is 20-60 DEG C, and envionmental humidity is 20-80%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610998785.5A CN106319758A (en) | 2016-11-14 | 2016-11-14 | PEI/chitosan graft copolymer compositeelectretfiber membrane filtration materialprepared through electrostatic spinning and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610998785.5A CN106319758A (en) | 2016-11-14 | 2016-11-14 | PEI/chitosan graft copolymer compositeelectretfiber membrane filtration materialprepared through electrostatic spinning and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106319758A true CN106319758A (en) | 2017-01-11 |
Family
ID=57817512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610998785.5A Pending CN106319758A (en) | 2016-11-14 | 2016-11-14 | PEI/chitosan graft copolymer compositeelectretfiber membrane filtration materialprepared through electrostatic spinning and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106319758A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110863255A (en) * | 2019-11-29 | 2020-03-06 | 青岛百草新材料股份有限公司 | Eucommia ulmoides viscose fiber and preparation method and application thereof |
| CN112870848A (en) * | 2021-01-12 | 2021-06-01 | 称道新材料科技(上海)有限公司 | Multifunctional melt-blown filter element and preparation process thereof |
| CN113979778A (en) * | 2021-12-09 | 2022-01-28 | 广西碧清源环保投资有限公司 | Ceramic filtering membrane with pyroelectric function and preparation method thereof |
| CN115024315A (en) * | 2022-04-22 | 2022-09-09 | 北京富莱士博科技发展有限公司 | Synthetic method of antibacterial nano hydrosol |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102351182A (en) * | 2011-07-06 | 2012-02-15 | 西安建筑科技大学 | Preparation method of ultra-long silicon carbide nano-wires |
| CN103726125A (en) * | 2013-12-30 | 2014-04-16 | 上海德福伦化纤有限公司 | Anti-mite antibacterial polyester staple fiber and preparation method thereof |
| CN105214617A (en) * | 2015-09-10 | 2016-01-06 | 南京大学 | Surface imprinted chitosan microball of high efficiency selected heavy metal ion and preparation method thereof |
| CN105568556A (en) * | 2015-12-15 | 2016-05-11 | 上海洁晟环保科技有限公司 | Preparation method of super-hydrophobic or super-hydrophilic nanofiber membrane with antibacterial performance |
-
2016
- 2016-11-14 CN CN201610998785.5A patent/CN106319758A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102351182A (en) * | 2011-07-06 | 2012-02-15 | 西安建筑科技大学 | Preparation method of ultra-long silicon carbide nano-wires |
| CN103726125A (en) * | 2013-12-30 | 2014-04-16 | 上海德福伦化纤有限公司 | Anti-mite antibacterial polyester staple fiber and preparation method thereof |
| CN105214617A (en) * | 2015-09-10 | 2016-01-06 | 南京大学 | Surface imprinted chitosan microball of high efficiency selected heavy metal ion and preparation method thereof |
| CN105568556A (en) * | 2015-12-15 | 2016-05-11 | 上海洁晟环保科技有限公司 | Preparation method of super-hydrophobic or super-hydrophilic nanofiber membrane with antibacterial performance |
Non-Patent Citations (2)
| Title |
|---|
| 李小崎: "驻极聚醚酰亚胺-二氧化硅纳米纤维膜在空气过滤中的应用", 《中国优秀硕士学位论文全文数据库 工程科技I辑（月刊）》 * |
| 阙荣辉: "硅碳纳米材料在纳米发电机中的应用研究", 《中国博士学位论文全文数据库工程科技II辑（月刊）》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110863255A (en) * | 2019-11-29 | 2020-03-06 | 青岛百草新材料股份有限公司 | Eucommia ulmoides viscose fiber and preparation method and application thereof |
| CN112870848A (en) * | 2021-01-12 | 2021-06-01 | 称道新材料科技(上海)有限公司 | Multifunctional melt-blown filter element and preparation process thereof |
| CN113979778A (en) * | 2021-12-09 | 2022-01-28 | 广西碧清源环保投资有限公司 | Ceramic filtering membrane with pyroelectric function and preparation method thereof |
| CN115024315A (en) * | 2022-04-22 | 2022-09-09 | 北京富莱士博科技发展有限公司 | Synthetic method of antibacterial nano hydrosol |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106192062A (en) | A kind of high performance Static Spinning/electret composite fibre filtering material and preparation method thereof | |
| CN109675450B (en) | Antibacterial composite nanofiber membrane and preparation method and application thereof | |
| CN106319758A (en) | PEI/chitosan graft copolymer compositeelectretfiber membrane filtration materialprepared through electrostatic spinning and preparation method thereof | |
| CN106237719A (en) | A kind of efficient low-resistance polypropylene electret air filting material and preparation method thereof | |
| CN105920919A (en) | Preparation and activation methods for super-hydrophobic electret filter material for purifying PM2.5 | |
| CN106178691A (en) | A kind of polypropylene electret air filting material containing graphene oxide and preparation method thereof | |
| CN108993167A (en) | A kind of preparation and application of the Electrospun nano-fibers air filting material of antibacterial | |
| CN108499220A (en) | Graphene/polypropylene nonwoven filter screen preparation method and applications | |
| CN105544091B (en) | A kind of antibacterial nano fibrous composite and preparation method thereof | |
| CN106757483A (en) | Standby electret PEI boehmite composite fibre filtering material of a kind of electro-spinning and preparation method thereof | |
| CN106397981A (en) | Polypropylene electret air filtering material containing porous particles and preparation method of air filtering material | |
| CN106436316A (en) | High abrasion resistance electrostatic spinning/electret composite cellulosic film filter material and preparing method thereof | |
| CN106268040A (en) | A kind of politef polypropylene composite materials electret air filtering material and preparation method thereof | |
| CN106310785A (en) | Bacteria-restraint melt-blowing polypropylene composite electret air filtration material and preparation method thereof | |
| CN106435766A (en) | Reinforced heat-resistant electrostatic-spinning/electret composite fiber membrane filtering material and preparing method thereof | |
| CN106268038A (en) | A kind of polypropylene electret filter material with high efficiency filter and bactericidal property and preparation method thereof | |
| CN103833411A (en) | Ceramic filter element added with carbon nano tube and preparation method thereof | |
| CN107349681A (en) | A kind of water process environment-friendly antibacterial fire-resistant antistatic filter cloth | |
| CN108504066A (en) | A kind of composite board capable of purifying air and preparation method thereof | |
| CN104562261B (en) | Novel far infrared fiber spinning solution and preparation method thereof | |
| CN106621563A (en) | Gelatin/polyetherimide compound electret fiber filtration material prepared through electrostatic spinning and preparation method thereof | |
| CN106512556A (en) | Dendritic electrostatic spinning/electret composite nanofiber membrane filter material and preparation method thereof | |
| CN110038452A (en) | Load the ceramic nanofibers base compound purifying film and its preparation method and application of silver | |
| CN106512553A (en) | Electrostatic spun/electret composite fiber filter material comprising sodium tartrate intercalated hydrotalcite and preparation method of filter material | |
| CN106237718A (en) | A kind of electret filter material with the effect that purifies the air of a room and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170111 |