CN108374238A - A kind of phase-change thermal storage fabric prepared using coaxial electrostatic spinning technology - Google Patents
A kind of phase-change thermal storage fabric prepared using coaxial electrostatic spinning technology Download PDFInfo
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- CN108374238A CN108374238A CN201810290884.7A CN201810290884A CN108374238A CN 108374238 A CN108374238 A CN 108374238A CN 201810290884 A CN201810290884 A CN 201810290884A CN 108374238 A CN108374238 A CN 108374238A
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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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- 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
-
- 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
- D01F8/16—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds as constituent
-
- 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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Artificial Filaments (AREA)
Abstract
The present invention provides a kind of phase-change thermal storage fabric prepared using coaxial electrostatic spinning technology, is prepared by following steps：(1) phase-change material is added in the first solvent and is stirred to being completely dissolved, obtain stratum nucleare solution, the mass concentration of phase-change material is 30%~90% in the stratum nucleare solution；(2) high molecular material is added in the second solvent and is stirred to being completely dissolved, obtain shell solution, the mass concentration of high molecular material is 5%~30% in the shell solution；(3) the shell solution obtained in stratum nucleare solution and step (2) that step (1) obtains is injected separately into two solution channels of coaxial electrostatic spinning silk device, it adjusts coaxial electrostatic spinning parameter and carries out electrostatic spinning, obtain phase-change thermal storage fabric.Phase-change thermal storage fabric proposed by the present invention not only has the property of phase-change thermal storage, also has the effects that intelligent thermoregulating, intelligence toning, anti-fire, anti-bacteria and anti-virus.
Description
Technical field：
The invention belongs to technical field of polymer materials, and in particular to a kind of phase prepared using coaxial electrostatic spinning technology
Become heat accumulation fabric.
Background technology：
Electrostatic spinning technique is to develop a kind of technology of preparing of novel micro nanometer rice fibrous material in the past 20 years, the fibre prepared
Dimension diameter is generally tens nanometers to tens microns.Since electrostatic spinning has technological process simple, technological parameter can easily be accommodated,
The polymer fiber of preparation has light weight, the specific surface area that diameter is small, larger, unique network structure, therefore in the energy, change
The foreground that the every field such as work, biology have a wide range of applications.
Phase-changing energy storage material because with energy storage density it is big, temperature is constant, and process is easily-controllable, it is reusable the advantages that, have
Prodigious development potentiality.The research hotspot in domestic and international energy research field is had become in recent years.Phase-change material can be divided into solid phase
Four kinds of change, solid-liquid phase change, solid-gas reaction and liquid-gas phase transition.Wherein solid-liquid phase change material is in current heat accumulation field using most
Phase-change material discharges during material phase transformation or absorbs heat and temperature remains unchanged, and fusing absorbs heat in the form of latent heat
Storage, solidification discharge heat again, are stored and are released energy to achieve the purpose that with this.Solid-liquid phase change material such as paraffin or poly- second two
For alcohol etc. because of no surfusion, chemical stability is good, it is cheap the advantages that be widely used in phase-change accumulation energy field.But in phase transformation
Easily the problem of leakage, significantly limits its practical application.As the improvement of people's living standards, people remove the pursuit of clothes
Other than intelligent thermoregulating, there are higher requirement, such as the beauty of fabric, anti-flammability, antibacterial, a radioresistance function.Urgently prepare
Go out a kind of multi-functional phase-change thermal storage fabric, to meet the needs of modern society.
Invention content：
The object of the present invention is to provide a kind of phase-change thermal storage fabric prepared using coaxial electrostatic spinning technology, the present invention is logical
Solution electrostatic spinning technique is crossed, functional particle is added in electrostatic spinning solution, realizes the functionalization of phase-change thermal storage fabric, together
When phase-change material is wrapped in macromolecular fibre by adjusting the mass concentration and pushing speed of stratum nucleare solution and shell solution,
Phase-change material is wrapped up by macromolecule, simply solves the problems, such as easy leakage, has obtained multi-functional phase-change thermal storage fabric.
The first purpose of the invention is to provide it is a kind of using coaxial electrostatic spinning technology prepare phase-change thermal storage fabric,
It is prepared by following steps：
(1) phase-change material is added in the first solvent and is stirred to being completely dissolved, obtain stratum nucleare solution, the stratum nucleare is molten
The mass concentration of phase-change material is 30%~90% in liquid；
(2) high molecular material is added in the second solvent and is stirred to being completely dissolved, obtain shell solution, the shell
The mass concentration of high molecular material is 5%~30% in solution；
(3) the shell solution obtained in stratum nucleare solution and step (2) that step (1) obtains is injected separately into coaxial electrostatic spinning
Two solution channels of silk device adjust coaxial electrostatic spinning parameter and carry out electrostatic spinning, obtain phase-change thermal storage fabric, described
The condition of electrostatic spinning is：Spinning voltage is 5~30kV, and it is 5~25cm to receive distance, and the pushing speed of stratum nucleare solution is 0.5
The pushing speed of~5mL/h, shell solution are 1~5mL/h.
The coaxial electrostatic spinning silk device that the present invention uses, the device are made of two or more solution channels, and the present invention makes
With the coaxial device of double solution channels, the stratum nucleare that two solution channels are perfused Polymer Solution and are made of phase-change material respectively is molten
Liquid, Polymer Solution are shell.Stratum nucleare solution and Polymer Solution form jet stream under conditions of high pressure, through stratum nucleare solution and height
Solvent volatilization solidification in molecular solution is deposited on receiver board, can be obtained the high score for loading paraffin after depositing the regular hour
Sub- film.Phase-change material is wrapped up by macromolecule, and polymeric membrane is in nucleocapsid and is threadiness, as phase-change thermal storage tunica fibrosa.
In the present invention, mass concentration and pushing speed by adjusting stratum nucleare solution and Polymer Solution can get best parafilm wrap
Rate.
It is preferred that step (1) is specially：Phase-change material is added in the first solvent and is stirred to being completely dissolved, work(is added
Can property material, obtain stratum nucleare solution, the mass concentration of phase-change material is 30%~90% in the stratum nucleare solution, functional material
The mass concentration of material is 1%.
Further, the functional material is in thermal conductivity material, flame-retardant materials, off-color material and anti-biotic material
One kind, the thermal conductivity material carbon material (graphene, functionalization graphene, graphite, function graphite, multi-walled carbon nanotube,
Single-walled carbon nanotube, activated carbon), metal powder (silver, copper, gold, aluminium), silicon, resistance a kind of, described in silica and boron nitride
Combustion property material is selected from bromine/stibium flame retardancy agent (tetrabromobisphenol A, decabromodiphenylethane, eight bromine S ethers, brominated epoxy resin, the poly- carbon of bromination
Acid esters and antimony oxide etc.), nitrogenated flame retardant (melamine, cyanuric acid, dicyandiamide, urea and its derivative etc.), phosphorus system
Fire retardant (including phosphate, phosphate, hypophosphorous acid fat, hypophosphites, polymeric phosphoric acid ester etc.) and inorganic combustion inhibitor (hydroxide
Magnesium, alkali magnesium sulfate, magnesium carbonate etc.) in one kind, the off-color material be thermochromic material (barium oxide, iron oxidation
The anorganic thermochromics particle such as object；Schiff base metal complex compound, organic amine or ammonium metal complex, loop coil class, dianthracene ketone etc.
Organic thermochromism particle) or photochromic material (WO3、MoO3、TiO2Equal transition metal oxides；La, Ce, Gd or Tb element
The HgCl of doping2、CuCl2、AlCl3, the metal halides such as AgCl；Rare earth compounding etc.), the anti-biotic material is organic anti-
Microbial inoculum is (vanillic aldehyde, ethyl vanillin aldehydes, anilid class, imidazoles, thiazoles, isothiazolone derivative, quaternary ammonium salt, double
Croak class, phenols) or inorganic antiseptic (silver, copper, zinc metal and its corresponding metal ion, ammonium dihydrogen phosphate, lithium carbonate).
The above-mentioned phase-change thermal storage fabric prepared using coaxial electrostatic spinning technology, is specifically prepared by following steps：
(1) polyethylene glycol is added in ethyl alcohol and is stirred to being completely dissolved, hypovanadic oxide powder is added, it is molten to obtain stratum nucleare
Liquid, the mass concentration of paraffin is 50%~90% in the stratum nucleare solution, and the mass concentration of vanadium dioxide is 1%；
(2) polymethyl methacrylate or polyvinyl alcohol are added in N,N-dimethylformamide or water and are stirred to complete
Dissolving, obtains shell solution, in the shell solution mass concentration of polymethyl methacrylate or polyvinyl alcohol be 5%~
20%；
(3) it is to receive substrate with aluminium-foil paper, the shell solution obtained in step (2) is set to coaxial electrostatic spinning silk device
Outer solution channel in, the stratum nucleare solution that step (1) obtains is set in the interior solution channel of coaxial electrostatic spinning silk device, and will
Outer solution channel and interior solution channel are separately fixed on outer tube syringe pump and inner tube syringe pump, in outer tube syringe pump and
Under the promotion of inner tube syringe pump, spinning is carried out using high-voltage electrostatic field, obtains the phase-change thermal storage tunica fibrosa of nucleocapsid；It is described
The condition of electrostatic spinning be：Spinning voltage is 5~15kV, and it is 5~15cm to receive distance, and the pushing speed of stratum nucleare solution is 1
The pushing speed of~5mL/h, shell solution are 1~5mL/h.
Functional material is added in stratum nucleare solution, phase-change thermal storage fabric is allow to increase beauty, anti-flammability, antibacterial and anti-spoke
Penetrate etc. in functions, such as stratum nucleare solution and add hypovanadic oxide powder, so as to get phase-change thermal storage fabric reach with temperature change
The effect of thermochromism.
It is preferred that step (2) is specially：High molecular material is added in the second solvent and is stirred to being completely dissolved, is added
Functional material, obtains shell solution, and the mass concentration of high molecular material is 5%~30% in the shell solution, function
Property material mass concentration be 0.1~10%.
It is preferred that the functional material is one in thermal conductivity material, flame-retardant materials, off-color material and anti-biotic material
Kind, the thermal conductivity material carbon material (graphene, functionalization graphene, graphite, function graphite, multi-walled carbon nanotube, list
Wall carbon nano tube, activated carbon), it is metal powder (silver, copper, gold, aluminium), silicon, a kind of in silica and boron nitride, described is fire-retardant
Property material be selected from bromine/stibium flame retardancy agent (tetrabromobisphenol A, decabromodiphenylethane, eight bromine S ethers, brominated epoxy resin, the poly- carbonic acid of bromination
Ester and antimony oxide etc.), nitrogenated flame retardant (melamine, cyanuric acid, dicyandiamide, urea and its derivative etc.), phosphorus system resistance
Fire agent (including phosphate, phosphate, hypophosphorous acid fat, hypophosphites, polymeric phosphoric acid ester etc.) and inorganic combustion inhibitor (hydroxide
Magnesium, alkali magnesium sulfate, magnesium carbonate etc.) in one kind, the off-color material be thermochromic material (barium oxide, iron oxidation
The anorganic thermochromics particle such as object；Schiff base metal complex compound, organic amine or ammonium metal complex, loop coil class, dianthracene ketone etc.
Organic thermochromism particle) or photochromic material (WO3、MoO3、TiO2Equal transition metal oxides；La, Ce, Gd or Tb element
The HgCl of doping2、CuCl2、AlCl3, the metal halides such as AgCl；Rare earth compounding etc.), the anti-biotic material is organic anti-
Microbial inoculum is (vanillic aldehyde, ethyl vanillin aldehydes, anilid class, imidazoles, thiazoles, isothiazolone derivative, quaternary ammonium salt, double
Croak class, phenols) or inorganic antiseptic (silver, copper, zinc metal and its corresponding metal ion, ammonium dihydrogen phosphate, lithium carbonate).
The above-mentioned phase-change thermal storage fabric prepared using coaxial electrostatic spinning technology, is specifically prepared by following steps：
(1) phase-change material is added in ethyl alcohol or toluene and is stirred to being completely dissolved, obtain stratum nucleare solution, the stratum nucleare
The mass concentration of phase-change material is 30%~90% in solution, and the phase-change material is polyethylene glycol or paraffin；
(2) polymethyl methacrylate or polyacrylonitrile are added in N,N-dimethylformamide and are stirred to completely molten
Solution is added functional material, obtains shell solution, the matter of polymethyl methacrylate or polyacrylonitrile in the shell solution
A concentration of 10%~30% is measured, the mass concentration of the functional material is 0.1~10%, and functional material is selected from triphen first
Alkane metal complex, multi-walled carbon nanotube, graphite, tungstic acid powder, molybdenum trioxide powder, tetrabromobisphenol A, magnesium hydroxide,
One kind in silver nitrate, ammonium dihydrogen phosphate and vanillic aldehyde；
(3) it is to receive substrate with aluminium-foil paper, the shell solution obtained in step (2) is set to coaxial electrostatic spinning silk device
Outer solution channel in, the stratum nucleare solution that step (1) obtains is set in the interior solution channel of coaxial electrostatic spinning silk device, and will
Outer solution channel and interior solution channel are separately fixed on outer tube syringe pump and inner tube syringe pump, in outer tube syringe pump and
Under the promotion of inner tube syringe pump, spinning is carried out using high-voltage electrostatic field, obtains the phase-change thermal storage fabric of nucleocapsid；Described
The condition of electrostatic spinning is：Spinning voltage is 15~30kV, and it is 10~25cm to receive distance, and the pushing speed of stratum nucleare solution is
The pushing speed of 0.5~5mL/h, shell solution are 1~5mL/h.
Functional material is added in shell solution, phase-change thermal storage fabric is made to increase beauty, anti-flammability, antibacterial and radioresistance
Etc. triphenylmenthane metal complex is added in functions, such as shell solution, so as to get phase-change thermal storage fabric with temperature change
Achieve the effect that discoloration, tetrabromobisphenol A added in shell solution, so as to get phase-change thermal storage fabric have fire-retardant effect, shell
Silver nitrate or vanillic aldehyde are added in solution, so as to get phase-change thermal storage fabric have the effect of anti-bacteria and anti-virus, add in shell solution
Add graphite, improves the thermal conductance of phase-change thermal storage fabric.
It is preferred that the phase-change material is selected from paraffin, n-tetradecane, hexadecane, n-octadecane, n-eicosane, positive two
Dodecane, n-tetracosane, n-hexacosane, positive octacosane, positive melissane, polyethylene glycol, poly glycol monomethyl ether, tristearin
Acid, oleic acid, lauric acid, ethanedioic acid, succinic acid, adipic acid, phthalic acid, M-phthalic acid, terephthalic acid (TPA), octanol, the moon
Cinnamic alcohol, tetradecyl alchohol, hexadecanol, octadecyl alcolol, butanediol, hexylene glycol, glycerine, pentaerythrite, n-hexane, soya-bean oil wax, vegetable oil
With one kind in animal wax.
It is preferred that first solvent is selected from toluene, dimethylbenzene, methyl ethyl ketone, petroleum ether, carbon tetrachloride, chloroform, dichloromethane
In alkane, tetrahydrofuran, pentane, n-hexane, normal octane, pyridine, N,N-dimethylformamide and DMAC N,N' dimethyl acetamide
It is one or two kinds of.
It is preferred that the high molecular material be selected from polymethyl methacrylate, polyvinyl alcohol, polyacrylonitrile, makrolon,
Polyurethane, polysulfones, polystyrene, polyethylene, polyvinyl chloride, polyvinylpyrrolidone, polypropylene, polyacrylic acid, polyvinyl alcohol
Butyral, polyethylene terephthalate or polybutylene terephthalate, cellulose acetate, polyarylate, butyl polyacrylate,
One kind in nylon-6 and nylon -66.
It is preferred that second solvent is selected from n,N-Dimethylformamide, water, ethyl alcohol, n,N-dimethylacetamide, dichloro
One or both of methane, chloroform, carbon tetrachloride, n-hexane, acetone, tetrahydrofuran, hexafluoroisopropanol and pyridine.
Unless otherwise indicated, nominal definition of the present invention has is generally understood identical contain with those skilled in the art
Justice.
Compared with prior art, the present invention has the following advantages：
(1) for the present invention using phase-change material as stratum nucleare, high molecular material is stratum nucleare, macromolecule coating phase-change materials so that phase
Become material phase transformation process No leakage；
(2) present invention obtains different potential heat values by adjusting the mass concentration and pushing speed of stratum nucleare solution and shell solution
Phase-change thermal storage tunica fibrosa, while by solution electrostatic spinning technique, functional particle being added in electrostatic spinning solution, realized
The functionalization of phase-change thermal storage fabric, method are simple and reliable；
(3) phase-change thermal storage fabric proposed by the present invention not only has the property of phase-change thermal storage, also has intelligent thermoregulating, intelligence
The effects that toning, anti-fire, anti-bacteria and anti-virus, the present invention is primarily useful for functional fabric, it can also be used to energy saving building material
And phase-change heat accumulation system, it has broad prospects.
Specific implementation mode：
The following examples are further illustrations of the invention, rather than limiting the invention.Coaxial electrostatic spinning fills
It sets and receives Science and Technology Ltd. purchased from Beijing new master hundred.
Embodiment 1：
Polyethylene glycol is added to stirring at normal temperature in ethyl alcohol and dissolves 6h, VO is added2Powder continues stirring for 24 hours, obtains coaxial
The stratum nucleare solution of electrostatic spinning, the mass concentration of polyethylene glycol is 50%, VO in stratum nucleare solution2Mass concentration be 1%.It will gather
Methyl methacrylate (PMMA) is added stirring at normal temperature in n,N-Dimethylformamide (DMF) and dissolves 12h, obtains coaxial electrostatic spinning
The shell solution of silk, the mass concentration of PMMA is 20% in shell solution.It is to receive substrate with aluminium-foil paper, by electrostatic spinning stratum nucleare
Solution and shell solution are perfused respectively in two syringes, and two syringes are separately fixed on two syringe pumps.It adjusts
The driving velocity of Joint core layer solution is 1mL/h, the pushing speed of shell solution is 1mL/h, and it is 5cm to receive distance, and voltage is
Then 5kV carries out electrostatic spinning, obtain the thermochromism phase-change thermal storage fabric with nucleocapsid, fibre diameter 400nm,
Encapsulation ratio is 40%.
Comparative example 1：
Since PMMA does not dissolve in ethyl alcohol, being contacted with ethyl alcohol can be separated, if wanting polyethylene glycol and PMMA being added
The mixed solution formed to the mixed solvent of n,N-Dimethylformamide (DMF) and ethyl alcohol carries out electrostatic spinning, then can not complete.
Embodiment 2：
Polyethylene glycol is added to stirring at normal temperature in ethyl alcohol and dissolves 6h, VO is added2Powder continues stirring for 24 hours, obtains coaxial
The stratum nucleare solution of electrostatic spinning, the mass concentration of polyethylene glycol is 70%, VO in stratum nucleare solution2Mass concentration be 1%.It will gather
Vinyl alcohol (PVA) is added to the water stirring at normal temperature dissolving 12h, obtains the shell solution of coaxial electrostatic spinning, PVA in shell solution
Mass concentration is 8%.It is to receive substrate with aluminium-foil paper, two injections is perfused in electrostatic spinning stratum nucleare solution and shell solution respectively
In device, and two syringes are separately fixed on two syringe pumps.The driving velocity for adjusting stratum nucleare solution is 3mL/h, shell
The pushing speed of layer solution is 3mL/h, and it is 15cm to receive distance, then voltage 15kV carries out electrostatic spinning, obtains with core
The thermochromism phase-change thermal storage fabric of shell structure, fibre diameter 300nm, encapsulation ratio 70%.
Comparative example 2：
Polyethylene glycol and PVA are added to stirring at normal temperature in ethyl alcohol water mixed solution and dissolve 6h, VO is added2Powder continues
Stirring for 24 hours, obtains the solution of mixing electrostatic spinning, the mass concentration of polyethylene glycol is 70%, VO2Mass concentration be 1%.
The mass concentration of PVA is 8%.It is to receive substrate with aluminium-foil paper, electrostatic spinning stratum nucleare solution and shell solution is perfused two respectively
In a syringe, and two syringes are separately fixed on two syringe pumps.Adjust stratum nucleare solution driving velocity be
3mL/h, shell solution pushing speed be 3mL/h, it is 15cm to receive distance, then voltage 15kV carries out electrostatic spinning, obtain
To the thermochromism phase-change thermal storage fabric with nucleocapsid.
The phase-change thermal storage fiber obtained by embodiment 2, polyethylene glycol are wrapped up by PVA shells.Solvent volatilizees, and shell cures shape
At fiber, polyethylene glycol high-temperature phase-change process will not be revealed.And the phase-change thermal storage fiber obtained by comparative example 2, polyethylene glycol with
The mixed solution that PVA is formed solvent after high voltage electric field is acted on into silk volatilizees, and final curing forms tunica fibrosa.Polyethylene glycol with
PVA only simple mixing, is not wrapped up really by polyvinyl alcohol, and when polyethylene glycol high-temperature phase-change can reveal, and influence material
Practicability.
Embodiment 3：
Polyethylene glycol is added to stirring at normal temperature in ethyl alcohol and dissolves 6h, VO is added2Powder continues stirring for 24 hours, obtains coaxial
The stratum nucleare solution of electrostatic spinning, the mass concentration of polyethylene glycol is 90%, VO in stratum nucleare solution2Mass concentration be 1%.It will gather
Vinyl alcohol (PVA) is added to the water stirring at normal temperature dissolving 12h, obtains the shell solution of coaxial electrostatic spinning, PVA in shell solution
Mass concentration is 5%.It is to receive substrate with aluminium-foil paper, two injections is perfused in electrostatic spinning stratum nucleare solution and shell solution respectively
In device, and two syringes are separately fixed on two syringe pumps.The driving velocity for adjusting stratum nucleare solution is 5mL/h, shell
The pushing speed of layer solution is 5mL/h, and it is 15cm to receive distance, then voltage 15kV carries out electrostatic spinning, obtains with core
The thermochromism phase-change thermal storage fabric of shell structure, fibre diameter 350nm, encapsulation ratio 90%.
Embodiment 4：
Paraffin (fusing point is 40 DEG C) is added to stirring at normal temperature in toluene and dissolves 12h, obtains the stratum nucleare of coaxial electrostatic spinning
Solution, the mass concentration of paraffin is 30% in stratum nucleare solution.N, N- dimethyl methyls is added in polymethyl methacrylate (PMMA)
Stirring at normal temperature dissolves 6h in amide (DMF), and MoO is added3Continue stirring for 24 hours, obtains the shell solution of coaxial electrostatic spinning, shell
The mass concentration of PMMA is 20%, MoO in solution3Mass concentration be 0.1%.It is to receive substrate with aluminium-foil paper, by Static Spinning
Silk stratum nucleare solution and shell solution are perfused respectively in two syringes, and two syringes are separately fixed at two syringe pumps
On.The driving velocity for adjusting stratum nucleare solution is 0.5mL/h, the pushing speed of shell solution is 1mL/h, and it is 10cm to receive distance,
Voltage is 15kV, then carries out electrostatic spinning, obtains the photochromic phase-change thermal storage fabric with nucleocapsid, and fibre diameter is
900nm, encapsulation ratio 30%.
Comparative example 3：
Paraffin and PMMA are added to toluene and dissolve 12h with stirring at normal temperature in DMF mixed solutions, MoO is added3Continue to stir
For 24 hours, the solution of mixing electrostatic spinning is obtained, the mass concentration of paraffin is 30%, three MoO3Mass concentration be 0.1%, PMMA
Mass concentration be 20%.It is to receive substrate with aluminium-foil paper, electrostatic spinning stratum nucleare solution and shell solution is perfused two respectively
In syringe, and two syringes are separately fixed on two syringe pumps.Adjust stratum nucleare solution driving velocity be
0.5mL/h, shell solution pushing speed be 1mL/h, it is 10cm to receive distance, then voltage 15kV carries out electrostatic spinning,
The photochromic phase-change thermal storage fabric with nucleocapsid is obtained,
The phase-change thermal storage fiber obtained by embodiment 4, paraffin are wrapped up by PMMA shells.Solvent volatilizees, and shell is formed by curing
Fiber, paraffin high-temperature phase-change process will not be revealed.And the phase-change thermal storage fiber obtained by comparative example 3, paraffin are formed with PMMA
Mixed solution solvent after high voltage electric field is acted on into silk volatilizees, and final curing forms tunica fibrosa.Paraffin is only simple with PMMA
Mixing, is not wrapped up really by PMMA, and when paraffin high-temperature phase-change can reveal, and influence the practicability of material.
Embodiment 5：
Polyethylene glycol is added to stirring at normal temperature in ethyl alcohol and dissolves 6h, obtains the stratum nucleare solution of coaxial electrostatic spinning, stratum nucleare
The mass concentration of polyethylene glycol is 50% in solution.N,N-dimethylformamide is added in polymethyl methacrylate (PMMA)
(DMF) stirring at normal temperature dissolving for 24 hours, is added multi-walled carbon nanotube and continues stirring for 24 hours, the shell for obtaining coaxial electrostatic spinning is molten in
Liquid, the mass concentration of PMMA is 20% in shell solution, and the mass concentration of multi-walled carbon nanotube is 5%.It is to receive with aluminium-foil paper
Electrostatic spinning stratum nucleare solution and shell solution are perfused in two syringes substrate respectively, and two syringes are fixed respectively
On two syringe pumps.The driving velocity for adjusting stratum nucleare solution is 1mL/h, the pushing speed of shell solution is 1mL/h, is received
Distance is 25cm, then voltage 30kV carries out electrostatic spinning, obtains the phase transformation storage of the excellent heat conductivity performance with nucleocapsid
Heating fabric, fibre diameter 600nm, encapsulation ratio 40%.
Embodiment 6：
Polyethylene glycol is added to stirring at normal temperature in ethyl alcohol and dissolves 6h, obtains the stratum nucleare solution of coaxial electrostatic spinning, stratum nucleare
The mass concentration of polyethylene glycol is 50% in solution.N,N-dimethylformamide is added in polymethyl methacrylate (PMMA)
(DMF) stirring at normal temperature dissolving for 24 hours, is added graphite and continues stirring for 24 hours, obtain the shell solution of coaxial electrostatic spinning, shell is molten in
The mass concentration of PMMA is 20% in liquid, and the mass concentration of graphite is 10%.It is to receive substrate with aluminium-foil paper, by electrostatic spinning core
Layer solution and shell solution are perfused respectively in two syringes, and two syringes are separately fixed on two syringe pumps.
The driving velocity for adjusting stratum nucleare solution is 1mL/h, the pushing speed of shell solution is 1mL/h, and it is 15cm to receive distance, and voltage is
Then 15Kv carries out electrostatic spinning, obtain the phase-change thermal storage fabric of the excellent heat conductivity performance with nucleocapsid, and fibre diameter is
900nm, encapsulation ratio 40%.
Embodiment 7：
Paraffin (fusing point is 40 DEG C) is added to stirring at normal temperature in toluene and dissolves 12h, obtains the stratum nucleare of coaxial electrostatic spinning
Solution, the mass concentration of paraffin is 40% in stratum nucleare solution.N, N- dimethyl methyls is added in polymethyl methacrylate (PMMA)
Stirring at normal temperature dissolves 6h in amide (DMF), adds WO3Powder continues stirring for 24 hours, and the shell for obtaining coaxial electrostatic spinning is molten
Liquid, the mass concentration of PMMA is 20%, WO in shell solution3Mass concentration be 2%.It is to receive substrate with aluminium-foil paper, it will be quiet
Electrospun stratum nucleare solution and shell solution are perfused respectively in two syringes, and two syringes are separately fixed at two injections
On device pump.The driving velocity for adjusting stratum nucleare solution is 0.5mL/h, the pushing speed of shell solution is 1mL/h, receives distance and is
Then 15cm, voltage 15kV carry out electrostatic spinning, obtain having the photochromic phase-change thermal storage fabric, fibre diameter are
1000nm, encapsulation ratio 30%.
Embodiment 8：
Paraffin (fusing point is 40 DEG C) is added to stirring at normal temperature in toluene and dissolves 12h, obtains the stratum nucleare of coaxial electrostatic spinning
Solution, the mass concentration of paraffin is 40% in stratum nucleare solution.N, N- dimethyl methyls is added in polymethyl methacrylate (PMMA)
Stirring at normal temperature dissolves 6h in amide (DMF), adds MoO3Powder continues stirring for 24 hours, and the shell for obtaining coaxial electrostatic spinning is molten
Liquid, the mass concentration of PMMA is 20%, MoO in shell solution3Mass concentration be 5%.It is to receive substrate with aluminium-foil paper, it will be quiet
Electrospun stratum nucleare solution and shell solution are perfused respectively in two syringes, and two syringes are separately fixed at two injections
On device pump.The driving velocity for adjusting stratum nucleare solution is 0.5mL/h, the pushing speed of shell solution is 1mL/h, receives distance and is
Then 15cm, voltage 15kV carry out electrostatic spinning, obtain having the photochromic phase-change thermal storage fabric, fibre diameter are
1000nm, encapsulation ratio 30%.
Embodiment 9：
Paraffin (fusing point is 40 DEG C) is added to stirring at normal temperature in toluene and dissolves 12h, obtains the stratum nucleare of coaxial electrostatic spinning
Solution, the mass concentration of paraffin is 50% in stratum nucleare solution.N, N- dimethyl methyls is added in polymethyl methacrylate (PMMA)
Stirring at normal temperature dissolves 6h in amide (DMF), and tetrabromobisphenol A is added and continues stirring for 24 hours, the shell for obtaining coaxial electrostatic spinning is molten
Liquid, the mass concentration of PMMA is 20% in shell solution, and the mass concentration of tetrabromobisphenol A is 5%.It is to receive base with aluminium-foil paper
Electrostatic spinning stratum nucleare solution and shell solution are perfused respectively in two syringes at bottom, and two syringes are separately fixed at
On two syringe pumps.The driving velocity for adjusting stratum nucleare solution is 0.5mL/h, the pushing speed of shell solution is 1mL/h, is received
Distance is 15cm, voltage 20kV.Then electrostatic spinning is carried out, the anti-flammability phase-change thermal storage fabric with nucleocapsid is obtained,
Fibre diameter is 900nm, encapsulation ratio 30%.
Embodiment 10：
Paraffin (fusing point is 40 DEG C) is added to stirring at normal temperature in toluene and dissolves 12h, obtains the stratum nucleare of coaxial electrostatic spinning
Solution, the mass concentration of paraffin is 50% in stratum nucleare solution.N, N- dimethyl methyls is added in polymethyl methacrylate (PMMA)
Stirring at normal temperature dissolves 6h in amide (DMF), and magnesium hydroxide is added and continues stirring for 24 hours, obtains the shell solution of coaxial electrostatic spinning,
The mass concentration of PMMA is 20% in shell solution, and the mass concentration of magnesium hydroxide is 10%.It is to receive substrate with aluminium-foil paper, it will
Electrostatic spinning stratum nucleare solution and shell solution are perfused respectively in two syringes, and two syringes are separately fixed at two notes
On emitter pump.The driving velocity for adjusting stratum nucleare solution is 0.5mL/h, the pushing speed of shell solution is 1mL/h, receives distance and is
Then 15cm, voltage 20kV carry out electrostatic spinning, obtain the anti-flammability phase-change thermal storage fabric with nucleocapsid, and fiber is straight
Diameter is 900nm, encapsulation ratio 30%.
Embodiment 11：
Paraffin (fusing point is 50 DEG C) is added to stirring at normal temperature in toluene and dissolves 12h, obtains the stratum nucleare of coaxial electrostatic spinning
Solution, the mass concentration of paraffin is 50% in stratum nucleare solution.N, N- dimethyl methyls is added in polymethyl methacrylate (PMMA)
Stirring at normal temperature dissolves 6h in amide (DMF), and silver nitrate is added and continues stirring for 24 hours, obtains the shell solution of coaxial electrostatic spinning, shell
The mass concentration of PMMA is 20% in layer solution, and the mass concentration of silver nitrate is 1%.It is to receive substrate with aluminium-foil paper, by electrostatic
Spinning stratum nucleare solution and shell solution are perfused respectively in two syringes, and two syringes are separately fixed at two syringes
On pump.The driving velocity for adjusting stratum nucleare solution is 0.5mL/h, the pushing speed of shell solution is 1mL/h, receives distance and is
15cm, voltage 20kV.Then electrostatic spinning is carried out, the antibacterial action phase-change thermal storage fabric with nucleocapsid, fiber are obtained
A diameter of 900nm, encapsulation ratio 30%.
Embodiment 12：
Paraffin (fusing point is 40 DEG C) is added to stirring at normal temperature in toluene and dissolves 12h, obtains the stratum nucleare of coaxial electrostatic spinning
Solution, the mass concentration of paraffin is 50% in stratum nucleare solution.N, N- dimethyl methyls is added in polymethyl methacrylate (PMMA)
Stirring at normal temperature dissolves 6h in amide (DMF), and silver nitrate is added and continues stirring for 24 hours, obtains the shell solution of coaxial electrostatic spinning, shell
The mass concentration of PMMA is 20% in layer solution, and the mass concentration of silver nitrate is 1%.It is to receive substrate with aluminium-foil paper, by electrostatic
Spinning stratum nucleare solution and shell solution are perfused respectively in two syringes, and two syringes are separately fixed at two syringes
On pump.The driving velocity for adjusting stratum nucleare solution is 0.5mL/h, the pushing speed of shell solution is 1mL/h, receives distance and is
Then 15cm, voltage 20kV carry out electrostatic spinning, obtain the antibacterial action phase-change thermal storage fabric with nucleocapsid.Fiber
A diameter of 900nm, encapsulation ratio 30%.
Embodiment 13：
Paraffin (fusing point is 40 DEG C) is added to stirring at normal temperature in toluene and dissolves 12h, obtains the stratum nucleare of coaxial electrostatic spinning
Solution, the mass concentration of paraffin is 50% in stratum nucleare solution.N, N- dimethyl methyls is added in polymethyl methacrylate (PMMA)
Stirring at normal temperature dissolves 6h in amide (DMF), and ammonium dihydrogen phosphate is added and continues stirring for 24 hours, the shell for obtaining coaxial electrostatic spinning is molten
Liquid, the mass concentration of PMMA is 20% in shell solution, and the mass concentration of ammonium dihydrogen phosphate is 2%.It is to receive base with aluminium-foil paper
Electrostatic spinning stratum nucleare solution and shell solution are perfused respectively in two syringes at bottom, and two syringes are separately fixed at
On two syringe pumps.The driving velocity for adjusting stratum nucleare solution is 0.5mL/h, the pushing speed of shell solution is 1mL/h, is received
Distance is 15cm, then voltage 20Kv carries out electrostatic spinning, obtains having the antibacterial action phase-change thermal storage of nucleocapsid to knit
Object.
Embodiment 14：
Paraffin (fusing point is 40 DEG C) is added to stirring at normal temperature in toluene and dissolves 12h, obtains the stratum nucleare of coaxial electrostatic spinning
Solution, the mass concentration of paraffin is 50% in stratum nucleare solution.N, N- dimethyl methyls is added in polymethyl methacrylate (PMMA)
Stirring at normal temperature dissolves 6h in amide (DMF), and vanillic aldehyde is added and continues stirring for 24 hours, obtains the shell solution of coaxial electrostatic spinning, shell
The mass concentration of PMMA is 20% in layer solution, and the mass concentration of vanillic aldehyde is 1%.It is to receive substrate with aluminium-foil paper, by electrostatic
Spinning stratum nucleare solution and shell solution are perfused respectively in two syringes, and two syringes are separately fixed at two syringes
On pump.The driving velocity for adjusting stratum nucleare solution is 2mL/h, the pushing speed of shell solution is 2mL/h, and it is 15cm to receive distance,
Voltage is 20kV, then carries out electrostatic spinning, obtains the antibacterial action phase-change thermal storage fabric with nucleocapsid, and fibre diameter is
3 μm, encapsulation ratio 20%.
Embodiment 15：
Polyethylene glycol is added to stirring at normal temperature in toluene and dissolves 12h, obtains the stratum nucleare solution of coaxial electrostatic spinning, stratum nucleare
The mass concentration of polyethylene glycol is 50% in solution.N,N-dimethylformamide is added in polymethyl methacrylate (PMMA)
(DMF) stirring at normal temperature dissolves 6h in, and vanillic aldehyde is added and continues stirring for 24 hours, obtains the shell solution of coaxial electrostatic spinning, shell is molten
The mass concentration of PMMA is 25% in liquid, and the mass concentration of vanillic aldehyde is 1%.It is to receive substrate with aluminium-foil paper, by electrostatic spinning
Stratum nucleare solution and shell solution are perfused respectively in two syringes, and two syringes are separately fixed at two syringe pumps
On.The driving velocity for adjusting stratum nucleare solution is 5mL/h, the pushing speed of shell solution is 5mL/h, and it is 15cm, electricity to receive distance
Pressure is 20kV, then carries out electrostatic spinning, obtains the antibacterial action phase-change thermal storage fabric with nucleocapsid, and fibre diameter is 5 μ
M, encapsulation ratio 60%.
Comparative example 4：
Polyethylene glycol and PMMA are added to stirring at normal temperature in toluene and DMF mixed solutions and dissolve 6h, vanillic aldehyde is added, after
Continuous stirring for 24 hours, obtains the solution of mixing electrostatic spinning, the mass concentration of polyethylene glycol is 50%, and the mass concentration of vanillic aldehyde is
The mass concentration of 1%, PMMA are 25%.It is to receive substrate with aluminium-foil paper, electrostatic spinning stratum nucleare solution and shell solution is distinguished
It is perfused in two syringes, and two syringes is separately fixed on two syringe pumps.Adjust the promotion speed of stratum nucleare solution
Degree is 5mL/h, the pushing speed of shell solution is 5mL/h, and it is 15cm to receive distance, then voltage 20kV carries out Static Spinning
Silk, obtains the antibacterial phase-change thermal storage fabric with nucleocapsid.
The phase-change thermal storage fiber obtained by embodiment 15, polyethylene glycol are wrapped up by PMMA shells.Solvent volatilizees, shell solidification
Fiber is formed, polyethylene glycol high-temperature phase-change process will not be revealed.And the phase-change thermal storage fiber obtained by comparative example 4, polyethylene glycol
The mixed solution formed with PMMA solvent after high voltage electric field is acted on into silk volatilizees, and final curing forms tunica fibrosa.Polyethylene glycol
It only simply mixes, is not wrapped up really by PMMA, when polyethylene glycol high-temperature phase-change can reveal, and influence the reality of material with PMMA
The property used.
Embodiment 16：
Polyethylene glycol is added to stirring at normal temperature in toluene and dissolves 12h, obtains the stratum nucleare solution of coaxial electrostatic spinning, stratum nucleare
The mass concentration of polyethylene glycol is 90% in solution.N,N-dimethylformamide is added in polymethyl methacrylate (PMMA)
(DMF) stirring at normal temperature dissolves 6h in, and vanillic aldehyde is added and continues stirring for 24 hours, obtains the shell solution of coaxial electrostatic spinning, shell is molten
The mass concentration of PMMA is 30% in liquid, and the mass concentration of vanillic aldehyde is 1%.It is to receive substrate with aluminium-foil paper, by electrostatic spinning
Stratum nucleare solution and shell solution are perfused respectively in two syringes, and two syringes are separately fixed at two syringe pumps
On.The driving velocity for adjusting stratum nucleare solution is 5mL/h, the pushing speed of shell solution is 5mL/h, and it is 15cm, electricity to receive distance
Pressure is 20kV.Then electrostatic spinning is carried out, the antibacterial action phase-change thermal storage fabric with nucleocapsid, fibre diameter 10 are obtained
μm, encapsulation ratio 80%.
Embodiment 17：
Polyethylene glycol is added to stirring at normal temperature in toluene and dissolves 12h, obtains the stratum nucleare solution of coaxial electrostatic spinning, stratum nucleare
The mass concentration of polyethylene glycol is 70% in solution.Room temperature in N,N-dimethylformamide (DMF) is added in polyacrylonitrile (PAN)
Stirring and dissolving 6h is added vanillic aldehyde and continues stirring for 24 hours, obtains the shell solution of coaxial electrostatic spinning, the matter of PAN in shell solution
A concentration of 10% is measured, the mass concentration of vanillic aldehyde is 1%.It is to receive substrate with aluminium-foil paper, by electrostatic spinning stratum nucleare solution and shell
Layer solution is perfused respectively in two syringes, and two syringes are separately fixed on two syringe pumps.It is molten to adjust stratum nucleare
The driving velocity of liquid is 1mL/h, the pushing speed of shell solution is 1mL/h, and it is 15cm, voltage 20kV to receive distance.Then
Electrostatic spinning is carried out, obtains the antibacterial action phase-change thermal storage fabric with nucleocapsid, fibre diameter 400nm, encapsulation ratio is
50%.
Comparative example 5：
Polyethylene glycol and PAN are added to stirring at normal temperature in toluene and DMF mixed solutions and dissolve 12h, vanillic aldehyde is added, after
Continuous stirring for 24 hours, obtains the solution of mixing electrostatic spinning, the mass concentration of polyethylene glycol is 70%, and the mass concentration of vanillic aldehyde is
1%.The mass concentration of PAN is 10%.It is to receive substrate with aluminium-foil paper, electrostatic spinning stratum nucleare solution and shell solution is filled respectively
In two syringes of note, and two syringes are separately fixed on two syringe pumps.Adjust the driving velocity of stratum nucleare solution
Pushing speed for 1mL/h, shell solution is 1mL/h, and it is 15cm to receive distance, then voltage 20kV carries out electrostatic spinning,
The antibacterial phase-change thermal storage fabric with nucleocapsid is obtained,
The phase-change thermal storage fiber obtained by embodiment 17, polyethylene glycol are wrapped up by PAN shells.Solvent volatilizees, shell solidification
Fiber is formed, polyethylene glycol high-temperature phase-change process will not be revealed.And the phase-change thermal storage fiber obtained by comparative example 5, polyethylene glycol
The mixed solution formed with PAN solvent after high voltage electric field is acted on into silk volatilizees, and final curing forms tunica fibrosa.Polyethylene glycol with
PAN only simple mixing, is not wrapped up really by PAN, and when polyethylene glycol high-temperature phase-change can reveal, and influence the practicality of material
Property.
Embodiment 18：
Polyethylene glycol is added to stirring at normal temperature in toluene and dissolves 12h, obtains the stratum nucleare solution of coaxial electrostatic spinning, stratum nucleare
The mass concentration of polyethylene glycol is 90% in solution.Room temperature in N,N-dimethylformamide (DMF) is added in polyacrylonitrile (PAN)
Stirring and dissolving 6h is added vanillic aldehyde and continues stirring for 24 hours, obtains the shell solution of coaxial electrostatic spinning, the matter of PAN in shell solution
A concentration of 10% is measured, the mass concentration of vanillic aldehyde is 1%.It is to receive substrate with aluminium-foil paper, by electrostatic spinning stratum nucleare solution and shell
Layer solution is perfused respectively in two syringes, and two syringes are separately fixed on two syringe pumps.It is molten to adjust stratum nucleare
The driving velocity of liquid is 2mL/h, the pushing speed of shell solution is 2mL/h, and it is 15cm, voltage 20kV to receive distance.Then
Electrostatic spinning is carried out, obtains the antibacterial action phase-change thermal storage fabric with nucleocapsid, fibre diameter 500nm, encapsulation ratio is
60%.
Embodiment 19：
Paraffin (fusing point is 40 DEG C) is added to stirring at normal temperature in toluene and dissolves 12h, obtains the stratum nucleare of coaxial electrostatic spinning
Solution, the mass concentration of paraffin is 40% in stratum nucleare solution.N,N-dimethylformamide (DMF) is added in polyacrylonitrile (PAN)
Middle stirring at normal temperature dissolves 6h, and vanillic aldehyde is added and continues stirring for 24 hours, obtains the shell solution of coaxial electrostatic spinning, in shell solution
The mass concentration of PAN is 10%, and the mass concentration of vanillic aldehyde is 1%.It is to receive substrate with aluminium-foil paper, electrostatic spinning stratum nucleare is molten
Liquid and shell solution are perfused respectively in two syringes, and two syringes are separately fixed on two syringe pumps.It adjusts
The driving velocity of stratum nucleare solution is 0.5mL/h, the pushing speed of shell solution is 1mL/h, and it is 15cm to receive distance, and voltage is
20kV.Then electrostatic spinning is carried out, obtains the antibacterial action phase-change thermal storage fabric with nucleocapsid, fibre diameter 500nm,
Encapsulation ratio is 30%.
Comparative example 6：
Paraffin and PAN are added to stirring at normal temperature in toluene and DMF mixed solutions and dissolve 12h, vanillic aldehyde is added, continues to stir
It mixes for 24 hours, obtains the solution of mixing electrostatic spinning, the mass concentration of paraffin is 40%, and the mass concentration of vanillic aldehyde is 1%.PAN's
Mass concentration is 10%.It is to receive substrate with aluminium-foil paper, two notes is perfused in electrostatic spinning stratum nucleare solution and shell solution respectively
In emitter, and two syringes are separately fixed on two syringe pumps.The driving velocity for adjusting stratum nucleare solution is 0.5mL/
H, the pushing speed of shell solution is 1mL/h, and it is 15cm to receive distance, then voltage 20kV carries out electrostatic spinning, had
There is the antibacterial phase-change thermal storage fabric of nucleocapsid,
The phase-change thermal storage fiber obtained by embodiment 19, paraffin are wrapped up by PAN shells.Solvent volatilizees, and shell is formed by curing
Fiber, paraffin high-temperature phase-change process will not be revealed.And the phase-change thermal storage fiber obtained by comparative example 6, paraffin form mixed with PAN
It closes solution solvent after high voltage electric field is acted on into silk to volatilize, final curing forms tunica fibrosa.Paraffin is only simple mixed with PAN
It closes, is not wrapped up really by PAN, when paraffin high-temperature phase-change can reveal, and influence the practicability of material.
Embodiment 20：
Paraffin (fusing point is 40 DEG C) is added to stirring at normal temperature in toluene and dissolves 12h, obtains the stratum nucleare of coaxial electrostatic spinning
Solution, the mass concentration of paraffin is 60% in stratum nucleare solution.N,N-dimethylformamide (DMF) is added in polyacrylonitrile (PAN)
Middle stirring at normal temperature dissolves 6h, and vanillic aldehyde is added and continues stirring for 24 hours, obtains the shell solution of coaxial electrostatic spinning, in shell solution
The mass concentration of PAN is 10%, and the mass concentration of vanillic aldehyde is 1%.It is to receive substrate with aluminium-foil paper, electrostatic spinning stratum nucleare is molten
Liquid and shell solution are perfused respectively in two syringes, and two syringes are separately fixed on two syringe pumps.It adjusts
The driving velocity of stratum nucleare solution is 1mL/h, the pushing speed of shell solution is 1mL/h, and it is 15cm to receive distance, and voltage is
20kV.Then electrostatic spinning is carried out, obtains the antibacterial action phase-change thermal storage fabric with nucleocapsid, fibre diameter 600nm,
Encapsulation ratio is 45%.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from the spirit and principles of the present invention made by changes, modifications, substitutions, combinations, simplifications etc.
Equivalent substitute mode is should be, is included within the scope of the present invention.
Claims (9)
1. a kind of phase-change thermal storage fabric prepared using coaxial electrostatic spinning technology, which is characterized in that by following steps preparation
At：
(1) phase-change material is added in the first solvent and is stirred to being completely dissolved, obtain stratum nucleare solution, in the stratum nucleare solution
The mass concentration of phase-change material is 30%~90%；
(2) high molecular material is added in the second solvent and is stirred to being completely dissolved, obtain shell solution, the shell solution
The mass concentration of middle high molecular material is 5%~30%；
(3) the shell solution obtained in stratum nucleare solution and step (2) that step (1) obtains is injected separately into coaxial electrostatic spinning dress
Two solution channels set adjust coaxial electrostatic spinning parameter and carry out electrostatic spinning, obtain phase-change thermal storage fabric, the electrostatic
The condition of spinning is：Spinning voltage is 5~30kV, and it is 5~25cm to receive distance, the pushing speed of stratum nucleare solution is 0.5~
The pushing speed of 5mL/h, shell solution are 1~5mL/h.
2. the phase-change thermal storage fabric according to claim 1 prepared using coaxial electrostatic spinning technology, which is characterized in that step
Suddenly (1) is specially：Phase-change material is added in the first solvent and is stirred to being completely dissolved, functional material is added, obtains core
Layer solution, the mass concentration of phase-change material is 30%~90% in the stratum nucleare solution, and the mass concentration of functional material is
1%.
3. the phase-change thermal storage fabric according to claim 2 prepared using coaxial electrostatic spinning technology, which is characterized in that institute
The one kind of the functional material stated in thermal conductivity material, flame-retardant materials, off-color material and anti-biotic material, the thermal conductivity
Property one kind in carbon material, metal powder, silicon, silica and boron nitride of material, the flame-retardant materials be selected from bromine/
One kind in antimony fire retardant, nitrogenated flame retardant, phosphorus flame retardant and inorganic combustion inhibitor, the off-color material are thermochromism material
Material or photochromic material, the anti-biotic material are organic antibacterial agent or inorganic antiseptic.
4. the phase-change thermal storage fabric according to claim 1 prepared using coaxial electrostatic spinning technology, which is characterized in that step
Suddenly (2) are specially：High molecular material is added in the second solvent and is stirred to being completely dissolved, functional material is added, is obtained
Shell solution, the mass concentration of high molecular material is 5%~30% in the shell solution, the mass concentration of functional material
It is 0.1~10%.
5. the phase-change thermal storage fabric according to claim 4 prepared using coaxial electrostatic spinning technology, which is characterized in that institute
The functional material stated is a kind of in thermal conductivity material, flame-retardant materials, off-color material and anti-biotic material, the thermal conductance
The one kind of material in carbon material, metal powder, silicon, silica and boron nitride, the flame-retardant materials are selected from bromine/antimony
One kind in fire retardant, nitrogenated flame retardant, phosphorus flame retardant and inorganic combustion inhibitor, the off-color material are thermochromic material
Or photochromic material, the anti-biotic material are organic antibacterial agent or inorganic antiseptic.
6. the phase-change thermal storage fabric according to claim 1 prepared using coaxial electrostatic spinning technology, which is characterized in that institute
The phase-change material stated is selected from paraffin, n-tetradecane, hexadecane, n-octadecane, n-eicosane, n-docosane, positive 24
Alkane, n-hexacosane, positive octacosane, positive melissane, polyethylene glycol, poly glycol monomethyl ether, stearic acid, oleic acid, lauric acid,
Ethanedioic acid, succinic acid, adipic acid, phthalic acid, M-phthalic acid, terephthalic acid (TPA), octanol, laruyl alcohol, tetradecyl alchohol, 16
Alcohol, octadecyl alcolol, butanediol, hexylene glycol, glycerine, pentaerythrite, one kind in n-hexane, soya-bean oil wax, vegetable oil and animal wax.
7. the phase-change thermal storage fabric prepared using coaxial electrostatic spinning technology according to claim 1 or 2 or 4, feature
It is, first solvent is selected from toluene, dimethylbenzene, methyl ethyl ketone, petroleum ether, carbon tetrachloride, chloroform, dichloromethane, tetrahydrochysene
One kind in furans, pentane, n-hexane, normal octane, pyridine, N,N-dimethylformamide and DMAC N,N' dimethyl acetamide or two
Kind.
8. the phase-change thermal storage fabric prepared using coaxial electrostatic spinning technology according to claim 1 or 2 or 4, feature
Be, the high molecular material be selected from polymethyl methacrylate, polyvinyl alcohol, polyacrylonitrile, makrolon, polyurethane,
Polysulfones, polystyrene, polyethylene, polyvinyl chloride, polyvinylpyrrolidone, polypropylene, polyacrylic acid, polyvinyl butyral,
Polyethylene terephthalate or polybutylene terephthalate, cellulose acetate, polyarylate, butyl polyacrylate, nylon-6
With one kind in nylon -66.
9. the phase-change thermal storage fabric prepared using coaxial electrostatic spinning technology according to claim 1 or 2 or 4, feature
It is, second solvent is selected from n,N-Dimethylformamide, water, ethyl alcohol, n,N-dimethylacetamide, dichloromethane, chlorine
One or both of imitative, carbon tetrachloride, n-hexane, acetone, tetrahydrofuran, hexafluoroisopropanol and pyridine.
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