CN108203861A - A kind of composite cellulosic membrane for being used for air filtering - Google Patents
A kind of composite cellulosic membrane for being used for air filtering Download PDFInfo
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- CN108203861A CN108203861A CN201810168604.5A CN201810168604A CN108203861A CN 108203861 A CN108203861 A CN 108203861A CN 201810168604 A CN201810168604 A CN 201810168604A CN 108203861 A CN108203861 A CN 108203861A
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
- B01D71/38—Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
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- 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
- B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
- B01D71/60—Polyamines
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- 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
- B01D71/76—Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
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- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/10—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained by reactions only involving carbon-to-carbon unsaturated bonds as constituent
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- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/12—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyamide as constituent
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- 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
- D04H1/4282—Addition polymers
- D04H1/4309—Polyvinyl alcohol
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- 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
- D04H1/4334—Polyamides
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- 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
- D04H1/435—Polyesters
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- 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
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- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
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- 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
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- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
- D06M13/51—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond
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- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/20—Polyalkenes, polymers or copolymers of compounds with alkenyl groups bonded to aromatic groups
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Abstract
The invention discloses a kind of composite cellulosic membranes for the PM2.5 being used in air filtering.Composite cellulosic membrane is prepared by the following method：EVA hot-melt adhesive nethike embrane is provided；Surface active is carried out to EVA hot-melt adhesive nethike embrane；The first PET fiber layer is formed using the EVA hot-melt adhesive retinal surface of the first electrospinning process after the activation；Using the second electrospinning process the first PA6 fibrous layers are formed in the first PET fiber layer surface；Using third electrospinning process PVA/PA6 composite fibre layers are formed in the first PA6 fiber layer surfaces；Using the 4th electrospinning process the first PVA fibrous layers are formed in PVA/PA6 composite fibres layer surface；Using the 5th electrospinning process the second PET fiber layer is formed in the first PVA fiber layer surfaces.The filtering material of the present invention is rational in infrastructure, can effectively adsorb the PM2.5 in environment.The composite fibre film dynamic performance of the present invention is good, and scrubbing resistance and general shock can ensure the recycling of filtering material.
Description
Technical field
The present invention relates to air pollution treatment field, more particularly to a kind of composite cellulosic membrane for being used for air filtering.
Background technology
In recent years, being constantly progressive with science and technology, industrial growth rate is too fast to cause environmental pollution exacerbation to make to have leisure
Gas quality problems become increasingly conspicuous.Haze weather frequency was existing in recent years, as the most important pollutant for forming haze, PM2.5 problems
It has been increasingly becoming focus of concern.PM2.5 refers to that particulate matter diameter is less than or equal to 2.5 microns of contaminant particle.
Itself is that pollutant again can be as the good carrier of the poisonous and harmful substances such as heavy metal, polycyclic aromatic hydrocarbon in air, Ke Yitong
Lung and cardiovascular system that respiratory system enters directly into human body are crossed, respiratory system and cardiovascular system are caused seriously to hinder
Evil, increases the probability that the mankind suffer from the diseases such as lung cancer.The department of environmental monitoring at present is also constantly increasing the monitoring dynamics of PM2.5
Add, in China North China, East China, the content of PM2.5 is exceeded serious in air so that haze weather frequently occurs, to the mankind
Health and normal life cause to seriously endanger.Traditional filtering material can not meet the needs of people, efficient, multi-functional
The research of material becomes the development trend of filtering material.
Some air filting materials for fresh air system have been proposed in currently available technology, but these materials are not
Daily need can be met：Current filtering material adsorption capacity is poor, is just needed in order to effectively adsorb dust and PM2.5
Increase the thickness of filtering material, but increase the cost that material thickness will necessarily increase manufacture material, and reduce ventilation system simultaneously
The resistance of air circulation in system leads to fresh air system power consumption bigger, this exacerbates environmental pollution instead；Meanwhile current mistake
It is poor to filter the strength of materials, will be damaged after cleaning for several times, be unfavorable for reusing.
The information for being disclosed in the background technology part is merely intended to increase the understanding of the general background to the present invention, without answering
When being considered as recognizing or imply that information composition has been the prior art well known to persons skilled in the art in any form.
Invention content
The purpose of the present invention is to provide the shortcomings that so that overcome the prior art.
To achieve the above object, the present invention provides a kind of composite cellulosic membranes for being used for air filtering, it is characterised in that：It is multiple
Condensating fiber film is prepared by the following method：EVA hot-melt adhesive nethike embrane is provided；Surface active is carried out to EVA hot-melt adhesive nethike embrane；Profit
The first PET fiber layer is formed with the EVA hot-melt adhesive retinal surface of the first electrospinning process after the activation；Utilize the second electrostatic
Spinning process forms the first PA6 fibrous layers in the first PET fiber layer surface；Using third electrospinning process in the first PA6 fibres
It ties up layer surface and forms PVA/PA6 composite fibre layers；It is formed using the 4th electrospinning process in PVA/PA6 composite fibre layer surfaces
First PVA fibrous layers；Using the 5th electrospinning process the second PET fiber layer is formed in the first PVA fiber layer surfaces.
Preferably, in above-mentioned technical proposal, carrying out surface active to EVA hot-melt adhesive nethike embrane is specially：It is configured silane coupled
Agent weak solution；In EVA hot-melt adhesive retinal surface silane coating coupling agent weak solution；Dry silane coating coupling agent weak solution
EVA hot-melt adhesive nethike embrane.
Preferably, in above-mentioned technical proposal, wherein, drying is specially：Drying temperature is 70-80 DEG C, drying time 3-
4h。
Preferably, in above-mentioned technical proposal, the first PET fiber layer thickness is 30-40 μm, and the first electrospinning process is specific
For：By PET grain dissolutions in the in the mixed solvent of trifluoroacetic acid and dichloromethane, first that volume fraction is 25-30% is obtained
PET solution；First PET solution is added in electrospinning syringe；The first PET fiber layer is formed based on the first electrospinning parameters；
Wherein, the first electrospinning parameters are：Spinning voltage is 10-15kV, and the spinning time is 120-150min, and spinning distance is 20-
25cm。
Preferably, in above-mentioned technical proposal, the first PA6 fiber layer thicknesses are 10-13 μm, and the second electrospinning process is specific
For：PA6 sheet materials are dissolved in formic acid solution, obtain the first PA6 solution that mass fraction is 15-20%；By the first PA6 solution
It adds in electrospinning syringe；The first PA6 fibrous layers are formed based on the second electrospinning parameters；Wherein, the second electrospinning parameters
For：Spinning voltage is 25-30kV, and the spinning time is 120-150min, and spinning distance is 20-25cm.
Preferably, in above-mentioned technical proposal, PVA/PA6 composite fibres layer thickness is 20-30 μm, third electrospinning process
Specially：Powdered PVA is dissolved in deionized water, obtains the first PVA solution that mass fraction is 15-20%；By PA6 pieces
Material is dissolved in formic acid solution, obtains the 2nd PA6 solution that mass fraction is 3-5%；First PVA solution and the 2nd PA6 is molten
Liquid mixes, and obtains mixed solution；Mixed solution is added in electrospinning syringe；PVA/ is formed based on third electrospinning parameters
PA6 composite fibre layers；Wherein, third electrospinning parameters are：Spinning voltage is 15-20kV, and the spinning time is 60-80min, is spun
Flight lead is from for 10-15cm.
Preferably, in above-mentioned technical proposal, the first PVA fiber layer thicknesses are 10-15 μm.
Preferably, in above-mentioned technical proposal, the second PET fiber layer thickness is 10-15 μm, and the 5th electrospinning process is specific
For：By PET grain dissolutions in the in the mixed solvent of trifluoroacetic acid and dichloromethane, second that volume fraction is 10-15% is obtained
PET solution；2nd PET solution is added in electrospinning syringe；The second PET fiber layer is formed based on the 5th electrospinning parameters；
Wherein, the 5th electrospinning parameters are：Spinning voltage is 10-15kV, and the spinning time is 80-100min, and spinning distance is 25-
30cm。
Compared with prior art, the present invention has the advantages that：The filtering material of the present invention is rational in infrastructure, Neng Gouyou
Dust in effect absorption environment.Although the thickness of the present invention increases compared to certain prior arts, due to the present invention
Porosity it is larger, so the present invention is for the resistance of air and little, it is ensured that do not increase the added burden of fresh air system.
The structural mechanical property of the present invention is good, and scrubbing resistance and general shock can ensure the recycling of filtering material.
Specific embodiment
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " comprising " or its change
It changes such as "comprising" or " including " etc. and will be understood to comprise stated element or component, and do not exclude other members
Part or other component parts.
Embodiment 1
Composite cellulosic membrane is prepared by the following method：EVA hot-melt adhesive nethike embrane is provided；EVA hot-melt adhesive nethike embrane is carried out
Surface active；The first PET fiber layer is formed using the EVA hot-melt adhesive retinal surface of the first electrospinning process after the activation；
Using the second electrospinning process the first PA6 fibrous layers are formed in the first PET fiber layer surface；Utilize third electrospinning process
PVA/PA6 composite fibre layers are formed in the first PA6 fiber layer surfaces；Using the 4th electrospinning process in the compound fibres of PVA/PA6
It ties up layer surface and forms the first PVA fibrous layers；Using the 5th electrospinning process the 2nd PET is formed in the first PVA fiber layer surfaces
Fibrous layer.Carrying out surface active to EVA hot-melt adhesive nethike embrane is specially：Silane coupling agent weak solution is configured；In EVA hot-melt adhesive nethike embrane
Surface silane coating coupling agent weak solution；Dry the EVA hot-melt adhesive nethike embrane of silane coating coupling agent weak solution.Wherein, drying tool
Body is：Drying temperature is 70 DEG C, drying time 4h.First PET fiber layer thickness is 30 μm, and the first electrospinning process is specific
For：By PET grain dissolutions in the in the mixed solvent of trifluoroacetic acid and dichloromethane, the first PET that volume fraction is 25% is obtained
Solution；First PET solution is added in electrospinning syringe；The first PET fiber layer is formed based on the first electrospinning parameters；Its
In, the first electrospinning parameters are：Spinning voltage is 10kV, and the spinning time is 120min, and spinning distance is 20cm.First PA6
Fiber layer thickness is 10 μm, and the second electrospinning process is specially：PA6 sheet materials are dissolved in formic acid solution, obtain quality point
Number is 15% the first PA6 solution；First PA6 solution is added in electrospinning syringe；It is formed based on the second electrospinning parameters
First PA6 fibrous layers；Wherein, the second electrospinning parameters are：Spinning voltage is 25kV, and the spinning time is 120min, spinning away from
From for 20cm.PVA/PA6 composite fibres layer thickness is 20 μm, and third electrospinning process is specially：Powdered PVA is dissolved in
In deionized water, the first PVA solution that mass fraction is 15% is obtained；PA6 sheet materials are dissolved in formic acid solution, obtain quality
Score is 3% the 2nd PA6 solution；First PVA solution and the 2nd PA6 solution are mixed, obtain mixed solution；By mixed solution
It adds in electrospinning syringe；PVA/PA6 composite fibre layers are formed based on third electrospinning parameters；Wherein, third electrostatic spinning
Parameter is：Spinning voltage is 15kV, and the spinning time is 60min, and spinning distance is 10cm.First PVA fiber layer thicknesses are 10 μm.
Second PET fiber layer thickness is 10 μm, and the 5th electrospinning process is specially：By PET grain dissolutions in trifluoroacetic acid and dichloro
The in the mixed solvent of methane obtains the 2nd PET solution that volume fraction is 10%；2nd PET solution is added in into electrospinning syringe
In；The second PET fiber layer is formed based on the 5th electrospinning parameters；Wherein, the 5th electrospinning parameters are：Spinning voltage is
10kV, spinning time are 80min, and spinning distance is 25cm.
Embodiment 2
Composite cellulosic membrane is prepared by the following method：EVA hot-melt adhesive nethike embrane is provided；EVA hot-melt adhesive nethike embrane is carried out
Surface active；The first PET fiber layer is formed using the EVA hot-melt adhesive retinal surface of the first electrospinning process after the activation；
Using the second electrospinning process the first PA6 fibrous layers are formed in the first PET fiber layer surface；Utilize third electrospinning process
PVA/PA6 composite fibre layers are formed in the first PA6 fiber layer surfaces；Using the 4th electrospinning process in the compound fibres of PVA/PA6
It ties up layer surface and forms the first PVA fibrous layers；Using the 5th electrospinning process the 2nd PET is formed in the first PVA fiber layer surfaces
Fibrous layer.Carrying out surface active to EVA hot-melt adhesive nethike embrane is specially：Silane coupling agent weak solution is configured；In EVA hot-melt adhesive nethike embrane
Surface silane coating coupling agent weak solution；Dry the EVA hot-melt adhesive nethike embrane of silane coating coupling agent weak solution.Wherein, drying tool
Body is：Drying temperature is 80 DEG C, drying time 3h.First PET fiber layer thickness is 40 μm, and the first electrospinning process is specific
For：By PET grain dissolutions in the in the mixed solvent of trifluoroacetic acid and dichloromethane, the first PET that volume fraction is 30% is obtained
Solution；First PET solution is added in electrospinning syringe；The first PET fiber layer is formed based on the first electrospinning parameters；Its
In, the first electrospinning parameters are：Spinning voltage is 15kV, and the spinning time is 150min, and spinning distance is 25cm.First PA6
Fiber layer thickness is 13 μm, and the second electrospinning process is specially：PA6 sheet materials are dissolved in formic acid solution, obtain quality point
Number is 20% the first PA6 solution；First PA6 solution is added in electrospinning syringe；It is formed based on the second electrospinning parameters
First PA6 fibrous layers；Wherein, the second electrospinning parameters are：Spinning voltage is 30kV, and the spinning time is 150min, spinning away from
From for 25cm.PVA/PA6 composite fibres layer thickness is 30 μm, and third electrospinning process is specially：Powdered PVA is dissolved in
In deionized water, the first PVA solution that mass fraction is 20% is obtained；PA6 sheet materials are dissolved in formic acid solution, obtain quality
Score is 5% the 2nd PA6 solution；First PVA solution and the 2nd PA6 solution are mixed, obtain mixed solution；By mixed solution
It adds in electrospinning syringe；PVA/PA6 composite fibre layers are formed based on third electrospinning parameters；Wherein, third electrostatic spinning
Parameter is：Spinning voltage is 20kV, and the spinning time is 80min, and spinning distance is 15cm.First PVA fiber layer thicknesses are 15 μm.
Second PET fiber layer thickness is 15 μm, and the 5th electrospinning process is specially：By PET grain dissolutions in trifluoroacetic acid and dichloro
The in the mixed solvent of methane obtains the 2nd PET solution that volume fraction is 15%；2nd PET solution is added in into electrospinning syringe
In；The second PET fiber layer is formed based on the 5th electrospinning parameters；Wherein, the 5th electrospinning parameters are：Spinning voltage is
15kV, spinning time are 100min, and spinning distance is 30cm.
Embodiment 3
Composite cellulosic membrane is prepared by the following method：EVA hot-melt adhesive nethike embrane is provided；EVA hot-melt adhesive nethike embrane is carried out
Surface active；The first PET fiber layer is formed using the EVA hot-melt adhesive retinal surface of the first electrospinning process after the activation；
Using the second electrospinning process the first PA6 fibrous layers are formed in the first PET fiber layer surface；Utilize third electrospinning process
PVA/PA6 composite fibre layers are formed in the first PA6 fiber layer surfaces；Using the 4th electrospinning process in the compound fibres of PVA/PA6
It ties up layer surface and forms the first PVA fibrous layers；Using the 5th electrospinning process the 2nd PET is formed in the first PVA fiber layer surfaces
Fibrous layer.Carrying out surface active to EVA hot-melt adhesive nethike embrane is specially：Silane coupling agent weak solution is configured；In EVA hot-melt adhesive nethike embrane
Surface silane coating coupling agent weak solution；Dry the EVA hot-melt adhesive nethike embrane of silane coating coupling agent weak solution.Wherein, drying tool
Body is：Drying temperature is 75 DEG C, drying time 3.5h.First PET fiber layer thickness is 35 μm, the first electrospinning process tool
Body is：By PET grain dissolutions in the in the mixed solvent of trifluoroacetic acid and dichloromethane, first that volume fraction is 27% is obtained
PET solution；First PET solution is added in electrospinning syringe；The first PET fiber layer is formed based on the first electrospinning parameters；
Wherein, the first electrospinning parameters are：Spinning voltage is 13kV, and the spinning time is 130min, and spinning distance is 23cm.First
PA6 fiber layer thicknesses are 12 μm, and the second electrospinning process is specially：PA6 sheet materials are dissolved in formic acid solution, obtain quality
Score is 17% the first PA6 solution；First PA6 solution is added in electrospinning syringe；Based on the second electrospinning parameters shape
Into the first PA6 fibrous layers；Wherein, the second electrospinning parameters are：Spinning voltage is 28kV, and the spinning time is 130min, spinning
Distance is 23cm.PVA/PA6 composite fibres layer thickness is 25 μm, and third electrospinning process is specially：Powdered PVA is dissolved
In deionized water, the first PVA solution that mass fraction is 18% is obtained；PA6 sheet materials are dissolved in formic acid solution, obtain matter
Measure the 2nd PA6 solution that score is 4%；First PVA solution and the 2nd PA6 solution are mixed, obtain mixed solution；It will mix molten
Liquid is added in electrospinning syringe；PVA/PA6 composite fibre layers are formed based on third electrospinning parameters；Wherein, third Static Spinning
Silk parameter be：Spinning voltage is 18kV, and the spinning time is 70min, and spinning distance is 12cm.First PVA fiber layer thicknesses are 12 μ
m.Second PET fiber layer thickness is 12 μm, and the 5th electrospinning process is specially：By PET grain dissolutions in trifluoroacetic acid and two
The in the mixed solvent of chloromethanes obtains the 2nd PET solution that volume fraction is 12%；2nd PET solution is added in into electrospinning injection
In device；The second PET fiber layer is formed based on the 5th electrospinning parameters；Wherein, the 5th electrospinning parameters are：Spinning voltage is
12kV, spinning time are 90min, and spinning distance is 27cm.
The comparative example of the present invention introduced below, in the case of other explanation, following comparative example is all for base with embodiment 3
What plinth carried out.
Comparative example 1
For the effect of validation layer structure, EVA hot-melt adhesive nethike embrane is replaced using polyamide hot nethike embrane.
Comparative example 2
In order to verify the effect of surface treatment, surface active is not carried out to EVA hot-melt adhesive nethike embrane.
Comparative example 3
For the effect of validation layer structure, the first PET fiber layer is not formed, and directly forms the first PA6 fibrous layers.
Comparative example 4
For the effect of validation layer structure, the first PVA fibrous layers are not formed, and directly form the second PET fiber layer.
Comparative example 5
In order to verify the effect of process conditions, drying is specially：Drying temperature is 90 DEG C, drying time 2h.
Comparative example 6
For the effect of validation layer structure, the first PET fiber layer thickness is 50 μm of
Comparative example 7
In order to verify the effect of process conditions, the first PET liquor capacities score is 20%.
Comparative example 8
In order to verify the effect of process conditions, the first electrospinning parameters are：Spinning voltage is 8kV, and the spinning time is
180min, spinning distance are 23cm.
Comparative example 9
In order to verify the effect of process conditions, the first electrospinning parameters are：Spinning voltage is 13kV, and the spinning time is
130min, spinning distance are 15cm.
Comparative example 10
For the effect of validation layer structure, the first PA6 fiber layer thicknesses are 15 μm.
Comparative example 11
In order to verify the effect of process conditions, the first PA6 liquid quality fractions are 12%.
Comparative example 12
In order to verify the effect of process conditions, the second electrospinning parameters are：Spinning voltage is 20kV, and the spinning time is
180min, spinning distance are 23cm.
Comparative example 13
In order to verify the effect of process conditions, the second electrospinning parameters are：Spinning voltage is 28kV, and the spinning time is
100min, spinning distance are 15cm.
Comparative example 14
For the effect of validation layer structure, PVA/PA6 composite fibres layer thickness is 40 μm.
Comparative example 15
In order to verify the effect of process conditions：First PVA solution mass fraction is 10%；2nd PA6 liquid quality fractions
It is 10%.
Comparative example 16
In order to verify the effect of process conditions, third electrospinning parameters are：Spinning voltage is 25kV, and the spinning time is
40min, spinning distance are 12cm.
Comparative example 17
In order to verify the effect of process conditions, third electrospinning parameters are：Spinning voltage is 25kV, and the spinning time is
70min, spinning distance are 18cm.
Comparative example 18
In order to verify the effect of process conditions, the 5th electrospinning parameters are：Spinning voltage is 20kV, and the spinning time is
60min, spinning distance are 27cm.
Comparative example 19
In order to verify the effect of process conditions, the 5th electrospinning parameters are：Spinning voltage is 12kV, and the spinning time is
90min, spinning distance are 20cm.
Tensile strength and the test of PM2.5 adsorption rates are carried out to embodiment 1-3, comparative example 1-19, wherein tensile strength is
The known test method of this field, the test method of PM2.5 adsorption rates are：It is uniform to a certain confined space with fresh air system
Apply PM2.5 particles, be wherein mounted with by several times such as the filter material of the embodiment of the present application 1-3, comparative example 1-19 in fresh air system
Material then tests the adsorption rate that the ratio between PM2.5 concentration, two concentration are filtering material again in fresh air system outlet.Tension
Intensity data only retains two effective digitals, therefore all adds " about " before Tensile strength data.
Table 1
The description of the aforementioned specific exemplary embodiment to the present invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explain that the specific principle of the present invention and its reality should
With so that those skilled in the art can realize and utilize the present invention a variety of different exemplary implementations and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (8)
1. a kind of composite cellulosic membrane for being used for air filtering, it is characterised in that：The composite cellulosic membrane is to make by the following method
Standby：
EVA hot-melt adhesive nethike embrane is provided；
Surface active is carried out to the EVA hot-melt adhesive nethike embrane；
The first PET fiber layer is formed using the EVA hot-melt adhesive retinal surface of the first electrospinning process after the activation；
Using the second electrospinning process the first PA6 fibrous layers are formed in the first PET fiber layer surface；
Using third electrospinning process PVA/PA6 composite fibre layers are formed in the first PA6 fiber layer surfaces；
Using the 4th electrospinning process the first PVA fibrous layers are formed in the PVA/PA6 composite fibres layer surface；
Using the 5th electrospinning process the second PET fiber layer is formed in the first PVA fiber layer surfaces.
2. the composite cellulosic membrane as described in claim 1 for being used for air filtering, it is characterised in that：To the EVA hot-melt adhesive net
Film carries out surface active：
Silane coupling agent weak solution is configured；
The silane coupling agent weak solution is coated in the EVA hot-melt adhesive retinal surface；
Drying coats the EVA hot-melt adhesive nethike embrane of the silane coupling agent weak solution.
3. the composite cellulosic membrane as claimed in claim 2 for being used for air filtering, it is characterised in that：Wherein, the drying is specific
For：Drying temperature is 70-80 DEG C, drying time 3-4h.
4. the composite cellulosic membrane as described in claim 1 for being used for air filtering, it is characterised in that：The first PET fiber layer
Thickness is 30-40 μm, and first electrospinning process is specially：
By PET grain dissolutions in the in the mixed solvent of trifluoroacetic acid and dichloromethane, first that volume fraction is 25-30% is obtained
PET solution；
The first PET solution is added in electrospinning syringe；
The first PET fiber layer is formed based on the first electrospinning parameters；
Wherein, first electrospinning parameters are：Spinning voltage is 10-15kV, and the spinning time is 120-150min, spinning away from
From for 20-25cm.
5. the composite cellulosic membrane as described in claim 1 for being used for air filtering, it is characterised in that：The first PA6 fibrous layers
Thickness is 10-13 μm, and second electrospinning process is specially：
PA6 sheet materials are dissolved in formic acid solution, obtain the first PA6 solution that mass fraction is 15-20%；
The first PA6 solution is added in electrospinning syringe；
The first PA6 fibrous layers are formed based on the second electrospinning parameters；
Wherein, second electrospinning parameters are：Spinning voltage is 25-30kV, and the spinning time is 120-150min, spinning away from
From for 20-25cm.
6. the composite cellulosic membrane as described in claim 1 for being used for air filtering, it is characterised in that：The compound fibres of PVA/PA6
It is 20-30 μm to tie up layer thickness, and the third electrospinning process is specially：
Powdered PVA is dissolved in deionized water, obtains the first PVA solution that mass fraction is 15-20%；
PA6 sheet materials are dissolved in formic acid solution, obtain the 2nd PA6 solution that mass fraction is 3-5%；
First PVA solution and the 2nd PA6 solution are mixed, obtain mixed solution；
The mixed solution is added in electrospinning syringe；
The PVA/PA6 composite fibre layers are formed based on third electrospinning parameters；
Wherein, the third electrospinning parameters are：Spinning voltage is 15-20kV, and the spinning time is 60-80min, spinning distance
For 10-15cm.
7. the composite cellulosic membrane as described in claim 1 for being used for air filtering, it is characterised in that：The first PVA fibrous layers
Thickness is 10-15 μm.
8. the composite cellulosic membrane as described in claim 1 for being used for air filtering, it is characterised in that：The second PET fiber layer
Thickness is 10-15 μm, and the 5th electrospinning process is specially：
By PET grain dissolutions in the in the mixed solvent of trifluoroacetic acid and dichloromethane, second that volume fraction is 10-15% is obtained
PET solution；
The 2nd PET solution is added in electrospinning syringe；
The second PET fiber layer is formed based on the 5th electrospinning parameters；
Wherein, the 5th electrospinning parameters are：Spinning voltage is 10-15kV, and the spinning time is 80-100min, spinning away from
From for 25-30cm.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108842299A (en) * | 2018-06-28 | 2018-11-20 | 江苏弗瑞仕环保科技有限公司 | The preparation method of air filtration composite cellulosic membrane |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029443A (en) * | 2014-05-28 | 2014-09-10 | 中原工学院 | Method for preparing polylactic acid multilayer fiber membrane for PM2.5 protecting mask |
| CN104223528A (en) * | 2013-06-18 | 2014-12-24 | 北京服装学院 | Waterproof moisture-permeable combined fabric and manufacturing method thereof |
| CN106345181A (en) * | 2016-10-13 | 2017-01-25 | 河南工程学院 | Electrospun PA6/PAN/PA6 multilayer filtering material and preparation method thereof |
| CN106541683A (en) * | 2016-11-01 | 2017-03-29 | 东莞巨微新材料科技有限公司 | A kind of preparation method of the multilayered structure nano-fiber composite film filtered for particulate in air |
| CN207044855U (en) * | 2017-07-26 | 2018-02-27 | 东莞市智霖精密电子制品有限公司 | A kind of PET composite membranes |
-
2018
- 2018-02-28 CN CN201810168604.5A patent/CN108203861B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104223528A (en) * | 2013-06-18 | 2014-12-24 | 北京服装学院 | Waterproof moisture-permeable combined fabric and manufacturing method thereof |
| CN104029443A (en) * | 2014-05-28 | 2014-09-10 | 中原工学院 | Method for preparing polylactic acid multilayer fiber membrane for PM2.5 protecting mask |
| CN106345181A (en) * | 2016-10-13 | 2017-01-25 | 河南工程学院 | Electrospun PA6/PAN/PA6 multilayer filtering material and preparation method thereof |
| CN106541683A (en) * | 2016-11-01 | 2017-03-29 | 东莞巨微新材料科技有限公司 | A kind of preparation method of the multilayered structure nano-fiber composite film filtered for particulate in air |
| CN207044855U (en) * | 2017-07-26 | 2018-02-27 | 东莞市智霖精密电子制品有限公司 | A kind of PET composite membranes |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108842299A (en) * | 2018-06-28 | 2018-11-20 | 江苏弗瑞仕环保科技有限公司 | The preparation method of air filtration composite cellulosic membrane |
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