CN109137132A - A kind of preparation method of graphene-polyurethane composite fibre - Google Patents
A kind of preparation method of graphene-polyurethane composite fibre Download PDFInfo
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- CN109137132A CN109137132A CN201810907857.XA CN201810907857A CN109137132A CN 109137132 A CN109137132 A CN 109137132A CN 201810907857 A CN201810907857 A CN 201810907857A CN 109137132 A CN109137132 A CN 109137132A
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- graphene
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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
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/94—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of other polycondensation products
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
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- Reinforced Plastic Materials (AREA)
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Abstract
The present invention proposes a kind of preparation method of graphene-polyurethane composite fibre, liquid dihydric alcohol and liquid diisocyanates using low viscosity are that raw material prepares base polyurethane prepolymer for use as, photosensitive group is introduced on base polyurethane prepolymer for use as strand again, obtains modified low-viscosity polyurethane performed polymer；Gained modified polyurethane prepolymer is mixed to dispersion stirring with graphene, photoinitiator, it is sufficiently impregnated graphene compound, dipping is mixed into resulting material again and carries out spinneret, then it is irradiated using UV, make the photocurable polyurethane prepolymer precursor reactant of fiber surface and solidify, graphene/polyurethane composite fibre is made.There are the lower defect of uniformity when preparing composite fibre the present invention overcomes graphene and polyurethane spinning, the bond strength between polyurethane and graphene is improved by the photocuring of polyurethane, and technique is continuous, quickly, and the composite fibre uniformity of preparation is high.
Description
Technical field
The present invention relates to spining technology fields, more particularly to a kind of graphene-polyurethane composite fibre preparation method.
Background technique
Polyurethane be one kind by polyisocyanates and polyalcohol through gradually addition reaction, by embedding made from chain extension, crosslinking
Section copolymer.At normal temperature, polyurethane has widened polyurethane with the presence of the diversified forms such as elastomer, foamed plastic, coating significantly
Use scope.According to the difference of preparation method and product form, polyurethane is broadly divided into thermoplastic polyurethane, polyurethane hair
Three kinds of forms of foam material and aqueous polyurethane.
Graphene is that one kind is made of single layer of carbon atom, and the carbon material with bi-dimensional cellular shape structure, is graphite material
Basic unit, there are the multiple performances such as excellent mechanics, calorifics, photoelectricity, polymer material is carried out as filler
Functional modification can be effectively improved the performances such as the mechanics, thermal conductivity, electromagnetic shielding of matrix, therefore become composite material in recent years
The big hot spot of the one of research field.Although graphene has many excellent performances, the application on fiber is just carried out
Get up.Current application technology route is broadly divided into three aspects, and the first method for using in-situ polymerization utilizes graphene surface
Active group reacted；Second method for using physical blending, makes graphene dispersion in the polymer；Third uses coating
Method, graphene is plated in by polymeric surface layer by external force.
Electrostatic spinning technique is drafted under the action of high pressure power plant using the high polymer fluid of electrification, torn, deformed, warp
Solvent volatilization or melt, which cool and solidify, is made diameter in tens nanometers of spinning to the super fine fibrous substance in several micron ranges
Technology.There is the characteristic of nano material, such as large specific surface area, porosity height with the nanofiber of electrostatic spinning technique preparation
Advantage possesses huge application potential in fields such as aerospace, medicine, bioengineering, sensing equipments, in field of medicaments such as hand
Art suture, medicine controlled releasing, wound dressing etc. also have great development prospect.
The performance of polyurethane, many researchs can largely be improved by adding graphene on a small quantity into polyurethane material
Graphene is added in polymer solution or melt by trial, and the composite Nano of high comprehensive performance is prepared with method of electrostatic spinning
Fiber.But the dispersibility of graphene is poor, and most of technique is adsorbed using physical action, then passes through the auxiliary agents such as dispersing agent and poly- ammonia
Ester stoste generates binding force, then graphene and polyurethane stock solution are carried out spinning, and bond strength is lower, and compatibility is relatively
Difference.In addition, the fiber sprayed during the spinning process is still in uncured state, it will lead to spun fiber and there is mutually bonding
Possibility so that uniformity reduces, the mechanical property in subsequent process also will receive influence.
Chinese invention patent application number 201510377756.2 discloses a kind of preparation of high performance polyurethane elastomer
Polytetramethylene ether diol is reacted with diisocyanate species and generates isocyanate-terminated prepolymer, at least by method
Part of the surface contains the nano-graphene of amino group, chain extension amine aqueous solution, prepolymer and mixes progress chain extending reaction in chain extension device,
Additive mixing is added in polymer after reaction, and the generating polyurethane spinning solution after storage curing is obtained finally by dry-spinning spinning
To polyurethane elastomeric fiber.Chinese invention patent application number 201611140105.2 discloses a kind of system of polyurethane-type graphene
Preparation Method and its application in polyurethane fiber obtain graphene oxide with Hummers legal system is improved, isocyanates are added and carries out
Reaction, then isocyanate group sealing end is carried out with end-capping reagent monohydric alcohol or monoamine, it is finally restored to obtain polyurethane-type graphite with reducing agent
Alkene；Polyurethane-type graphene is dissolved in organic solvent, slurry is made, and be added in polyurethane solutions, spinning obtains polyurethane fibre
Dimension.Above scheme improves the compatibility and stone of graphene and polyurethane by pre-processing to graphene to a certain extent
Black alkene dispersibility, however be mutually bonded during the spinning process there are still fiber, the disadvantage of Fiber Uniformity difference.And electrostatic spinning
In the process, shortening spinning fibre curing time can effectively avoid spinning fibre from being mutually bonded and then influence Fiber Uniformity
The problem of.Therefore, it is compound to graphene/polyurethane is improved to develop a kind of electrospinning process that can quickly shorten curing time
The mechanical property of fiber is of great significance.
Summary of the invention
There are the lower defect of uniformity when preparing composite fibre for current graphene and polyurethane spinning, the present invention is mentioned
A kind of graphene-polyurethane composite fibre preparation method out is irradiated using UV using the fast feature of photocuring reaction so that poly-
Urethane rapid curing, and then obstruct fiber and mutually bond, obtained composite fibre uniformity is more excellent, thus resulting compound
Fibrous mechanical property is more excellent.
To solve the above problems, the invention adopts the following technical scheme: a kind of graphene-polyurethane composite fibre preparation
Method uses graphene for raw material, by modified polyurethane prepolymer, obtains graphene/polyurethane composite fibre, specific to prepare
Method is as follows:
(1) the liquid dihydric alcohol of low viscosity is reacted with diisocyanate species and generates isocyanate-terminated prepolymer, be added
Solvent is mixed to form polyurethane prepolymer solution；
(2) photosensitive group is introduced on the base polyurethane prepolymer for use as strand, obtains modified low-viscosity polyurethane performed polymer；
(3) modified polyurethane prepolymer is mixed to dispersion stirring with graphene, photoinitiator, wherein the modified polyurethane
The mass ratio of performed polymer and graphene, photoinitiator is 8-15:1:0.2-0.8, is sufficiently impregnated graphene compound, is contained
There is the presoma material of graphene；
(4) dipping is mixed into the presoma material and carries out spinneret, then irradiated using UV, keep the photocurable of fiber surface poly-
Urethane prepolymer reaction simultaneously solidifies, and graphene/polyurethane composite fibre is made.
Preferably, the total mole number ratio of the liquid dihydric alcohol and the diisocyanate species is 2:1-4:1.
Preferably, which is characterized in that the liquid dihydric alcohol is polyester-diol, in polyetherdiol, polycarbonate glycol
A combination of one or more.
Preferably, the photosensitive group is benzoin ether group or anthracene chromophore.
Preferably, photoinitiator described in step (3) is thionyl chloride, phosphorus trichloride, phosphoric phosphine, phosphorus tribromide or five
One of phosphonium bromide.
Preferably, spinning process described in step (4) is that the presoma material is first filled spinneret channel body and is led
Trail is flowed, to pressurizeing in spinneret channel body, along water conservancy diversion trail reduced cross-sectional until by water conservancy diversion trail end, finally reaches and receives
Collect end.
Preferably, to use wavelength for the ultraviolet light irradiation of 200-340nm, irradiation power is for step (4) the UV irradiation
20-100 mW/cm2。
Preferably, curing time described in step (4) is 2-10min.
Preferably, the graphene/polyurethane composite fibre line footpath is 0.1-0.5mm.
There are the lower defect of uniformity when preparing composite fibre for current graphene and polyurethane spinning, the present invention is mentioned
A kind of graphene-polyurethane composite fibre preparation method out, first with the liquid dihydric alcohol and liquid diisocyanate of low viscosity
Ester is that raw material prepares base polyurethane prepolymer for use as, then introduces photosensitive group on base polyurethane prepolymer for use as strand, is obtained modified low viscous
Spend base polyurethane prepolymer for use as；Gained modified polyurethane prepolymer is mixed to dispersion stirring with graphene, photoinitiator, fills graphene
Sub-dip stain is compound, then dipping is mixed resulting material and carries out spinneret, is then irradiated using UV, makes the photocurable of fiber surface
Polyurethane prepolymer precursor reactant simultaneously solidifies, and graphene/polyurethane composite fibre is made.The present invention is by by photo curable polyurethane
Performed polymer carries out graphene to be sufficiently impregnated rear spinneret, uses UV to irradiate so that performed polymer fast transition is for urethane cures, sharp
With the fast feature of photocuring reaction, play the role of obstructing fiber mutually bonding after urethane cures, obtained composite fibre
Uniformity is more excellent, so that resulting composite fibre mechanical property is more excellent；The technique not only continuously, can be prepared quickly uniformly
Composite fibre, while it being sufficiently impregnated graphene using the base polyurethane prepolymer for use as of low viscosity, good fluidity, it is solid by the light of polyurethane
Change the bond strength improved between polyurethane and graphene.
The present invention proposes a kind of preparation method of graphene-polyurethane composite fibre, compared with prior art, outstanding
Feature and excellent effect are:
1, the present invention proposes the preparation method of graphene-polyurethane composite fibre a kind of, using low viscosity liquid dihydric alcohol and
Liquid diisocyanates are that raw material prepares base polyurethane prepolymer for use as, then introduces photosensitive group on base polyurethane prepolymer for use as strand, will
Gained modified polyurethane prepolymer mixes dispersion stirring with graphene, photoinitiator, is sufficiently impregnated graphene compound, then will leaching
Stain mixes resulting material and carries out spinneret, is then irradiated using UV, makes the photocurable polyurethane prepolymer precursor reactant of fiber surface
And rapid curing, play the role of obstructing fiber mutually bonding after urethane cures, obtained composite fibre uniformity is high, obtains
To composite fibre excellent in mechanical performance.
2, the present invention is sufficiently impregnated graphene using the base polyurethane prepolymer for use as of low viscosity, good fluidity, by polyurethane
Photocuring improves the compatibility of graphene and polyurethane, improves the bond strength between polyurethane and graphene.
3, the composite fibre uniformity of the quick continuous, high production efficiency of preparation process of the present invention, preparation is high, good dispersion,
No fiber is mutually bonded, and is conducive to subsequent processing.
Specific embodiment
In the following, the present invention will be further described in detail by way of specific embodiments, but this should not be interpreted as to the present invention
Range be only limitted to example below.Without departing from the idea of the above method of the present invention, according to ordinary skill
The various replacements or change that knowledge and customary means are made, should be included in the scope of the present invention.
Embodiment 1
(1) the liquid polyesters glycol of low viscosity and diisocyanate are weighed according to total mole number ratio for 4:1, reaction generates different
The prepolymer of cyanate sealing end is added solvent toluene and is mixed to form polyurethane prepolymer solution；Toluene additional amount is pre-polymerization substance
The 20% of amount.
(2) 0.05 parts by weight benzoin dimethylether and 3 parts by weight propylene are added into 5 parts by weight of polyurethane pre-polymer solutions
Sour methyl esters, Hybrid Heating introduce benzoin ether group to 45 DEG C on the base polyurethane prepolymer for use as strand, obtain modified low
Tack polyurethane performed polymer；
(3) modified polyurethane prepolymer is mixed to dispersion stirring with graphene, photoinitiator thionyl chloride, wherein described change
Property base polyurethane prepolymer for use as and graphene, photoinitiator mass ratio be 8:1:0.8, be sufficiently impregnated graphene compound, obtain
Presoma material containing graphene；
(4) dipping is mixed into the presoma material and carries out spinneret, spinning process is that the presoma material is first filled spinneret
Channel body and water conservancy diversion trail, to pressurizeing in spinneret channel body, along water conservancy diversion trail reduced cross-sectional until passing through water conservancy diversion trail end
End, finally reaches collecting terminal, is then irradiated using UV, and UV irradiation is uses wavelength for the ultraviolet light irradiation of 240nm, irradiation power
For 70 mW/cm2, make the photocurable polyurethane prepolymer precursor reactant of fiber surface and solidify, curing time 8min, line is made
Diameter is 0.4mm graphene/polyurethane composite fibre.
Embodiment 2
(1) polyetherdiol of low viscosity and diisocyanate are weighed according to total mole number ratio for 2:1, reaction generates isocyanic acid
The prepolymer of ester sealing end is added solvent and is mixed to form polyurethane prepolymer solution；
(2) 0.05 parts by weight benzoin dimethylether and 3 parts by weight of acrylic acid first are added into 7 parts by weight of polyurethane pre-polymer solutions
Ester, Hybrid Heating introduce photosensitive group benzoin ether group on the base polyurethane prepolymer for use as strand, are modified to 40 DEG C
Low-viscosity polyurethane performed polymer；
(3) modified polyurethane prepolymer is mixed to dispersion stirring with graphene, the phosphoric phosphine of photoinitiator, wherein described change
Property base polyurethane prepolymer for use as and graphene, photoinitiator mass ratio be 12:1:0.6, be sufficiently impregnated graphene compound, obtain
Presoma material containing graphene；
(4) dipping is mixed into the presoma material and carries out spinneret, spinning process is that the presoma material is first filled spinneret
Channel body and water conservancy diversion trail, to pressurizeing in spinneret channel body, along water conservancy diversion trail reduced cross-sectional until passing through water conservancy diversion trail end
End, finally reaches collecting terminal, is then irradiated using UV, and UV irradiation is uses wavelength for the ultraviolet light irradiation of 240nm, irradiation power
For 50 mW/cm2, make the photocurable polyurethane prepolymer precursor reactant of fiber surface and solidify, curing time 8min, line is made
Diameter is 0.25mm graphene/polyurethane composite fibre.
Embodiment 3
(1) the liquid polyetherdiol of low viscosity and diisocyanate are weighed according to total mole number ratio for 3:1, reaction generates different
The prepolymer of cyanate sealing end is added solvent and is mixed to form polyurethane prepolymer solution；
(2) 0.08 parts by weight dno-717 and 3 parts by weight of acrylic acid methyl esters are added into 7 parts by weight of polyurethane pre-polymer solutions, to
Anthracene chromophore is introduced on the base polyurethane prepolymer for use as strand, obtains modified low-viscosity polyurethane performed polymer；
(3) modified polyurethane prepolymer is mixed to dispersion stirring with graphene, photoinitiator phosphorus tribromide, wherein described change
Property base polyurethane prepolymer for use as and graphene, photoinitiator mass ratio be 8:1:0.2, be sufficiently impregnated graphene compound, obtain
Presoma material containing graphene；
(4) dipping is mixed into the presoma material and carries out spinneret, spinning process is that the presoma material is first filled spinneret
Channel body and water conservancy diversion trail, to pressurizeing in spinneret channel body, along water conservancy diversion trail reduced cross-sectional until passing through water conservancy diversion trail end
End, finally reaches collecting terminal, is then irradiated using UV, and UV irradiation is uses wavelength for the ultraviolet light irradiation of 200nm, irradiation power
For 100 mW/cm2, make the photocurable polyurethane prepolymer precursor reactant of fiber surface and solidify, curing time 2min, line is made
Diameter is 0.5mm graphene/polyurethane composite fibre.
Embodiment 4
(1) the liquid polyetherdiol of low viscosity and diisocyanate are weighed according to total mole number ratio for 3:1, reaction generates different
The prepolymer of cyanate sealing end is added solvent and is mixed to form polyurethane prepolymer solution；
(2) 0.05 parts by weight pyrazoline and 4 parts by weight of acrylic acid methyl esters are added into 6 parts by weight of polyurethane pre-polymer solutions, to
Anthracene chromophore is introduced on the base polyurethane prepolymer for use as strand, obtains modified low-viscosity polyurethane performed polymer；
(3) modified polyurethane prepolymer is mixed to dispersion stirring with graphene, photoinitiator phosphorus pentabromide, wherein described change
Property base polyurethane prepolymer for use as and graphene, photoinitiator mass ratio be 15:1:0.8, be sufficiently impregnated graphene compound, obtain
Presoma material containing graphene；
(4) dipping is mixed into the presoma material and carries out spinneret, spinning process is that the presoma material is first filled spinneret
Channel body and water conservancy diversion trail, to pressurizeing in spinneret channel body, along water conservancy diversion trail reduced cross-sectional until passing through water conservancy diversion trail end
End, finally reaches collecting terminal, is then irradiated using UV, and UV irradiation is uses wavelength for the ultraviolet light irradiation of 320nm, irradiation power
For 20 mW/cm2, make the photocurable polyurethane prepolymer precursor reactant of fiber surface and solidify, curing time 6min, line is made
Diameter is 0.4mm graphene/polyurethane composite fibre.
Embodiment 5
(1) the liquid polycarbonate glycol of low viscosity and diisocyanate are weighed according to total mole number ratio for 2.5:1, is reacted
Isocyanate-terminated prepolymer is generated, solvent is added and is mixed to form polyurethane prepolymer solution；
(2) 0.05 parts by weight benzoin dimethylether and 3 parts by weight butyl esters are added into 6.5 parts by weight of polyurethane pre-polymer solutions,
Benzoin ether group is introduced on the base polyurethane prepolymer for use as strand, obtains modified low-viscosity polyurethane performed polymer；
(3) modified polyurethane prepolymer is mixed to dispersion stirring with graphene, the phosphoric phosphine of photoinitiator, wherein described change
Property base polyurethane prepolymer for use as and graphene, photoinitiator mass ratio be 15:1:0.5, be sufficiently impregnated graphene compound, obtain
Presoma material containing graphene；
(4) dipping is mixed into the presoma material and carries out spinneret, spinning process is that the presoma material is first filled spinneret
Channel body and water conservancy diversion trail, to pressurizeing in spinneret channel body, along water conservancy diversion trail reduced cross-sectional until passing through water conservancy diversion trail end
End, finally reaches collecting terminal, is then irradiated using UV, and UV irradiation is uses wavelength for the ultraviolet light irradiation of 340nm, irradiation power
For 20 mW/cm2, make the photocurable polyurethane prepolymer precursor reactant of fiber surface and solidify, curing time 10min, line is made
Diameter is 0.1mm graphene/polyurethane composite fibre.
Comparative example 1
It adds graphene oxide into isocyanates to be reacted, then carries out isocyanate group sealing end with monohydric alcohol, finally use reducing agent
Reduction obtains polyurethane-type graphene；Polyurethane-type graphene is dissolved in organic solvent, slurry is made, and is added to polyurethane solutions
In, spinning obtains polyurethane fiber.
Comparative example 2
(1) the liquid polyesters glycol of low viscosity and diisocyanate are weighed according to total mole number ratio for 4:1, reaction generates different
The prepolymer of cyanate sealing end is added solvent and is mixed to form polyurethane prepolymer solution；
(2) 0.05 parts by weight benzoin dimethylether and 3 parts by weight of acrylic acid first are added into 5 parts by weight of polyurethane pre-polymer solutions
Ester, Hybrid Heating to 45 DEG C, introduced on the base polyurethane prepolymer for use as strand benzoin ether group and, obtain modified low viscous
Spend base polyurethane prepolymer for use as；
(3) modified polyurethane prepolymer, photoinitiator thionyl chloride are mixed into dispersion stirring, wherein the modified polyurethane
Performed polymer, photoinitiator mass ratio be 8:1:0.8, obtain presoma material；
(4) dipping is mixed into the presoma material and carries out spinneret, use wavelength for the ultraviolet light of 240nm, irradiation power is
90mW/cm2UV irradiation is carried out, makes the photocurable polyurethane prepolymer precursor reactant of fiber surface and solidifies, curing time 8min,
Polyurethane fiber is made.
The fiber of preparation is tested into its elongation at break and tensile strength, test performance is as shown in table 1.
Table 1:
| Performance indicator | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Comparative example 1 | Comparative example 2 |
| Elongation at break % | 251 | 247 | 250 | 251 | 250 | 156 | 110 |
| Breaking strength (MPa) | 76.71 | 69.62 | 76.12 | 75.82 | 76.06 | 59.3 | 43.9 |
Claims (9)
1. a kind of graphene-polyurethane composite fibre preparation method, which is characterized in that use graphene for raw material, by changing
Property base polyurethane prepolymer for use as, obtain graphene/polyurethane composite fibre, it is specific the preparation method is as follows:
(1) the liquid dihydric alcohol of low viscosity is reacted with diisocyanate species and generates isocyanate-terminated prepolymer, be added
Solvent is mixed to form polyurethane prepolymer solution；
(2) photosensitive group is introduced on the base polyurethane prepolymer for use as strand, obtains modified low-viscosity polyurethane performed polymer；
(3) modified polyurethane prepolymer is mixed to dispersion stirring with graphene, photoinitiator, wherein the modified polyurethane
The mass ratio of performed polymer and graphene, photoinitiator is 8-15:1:0.2-0.8, is sufficiently impregnated graphene compound, is contained
There is the presoma material of graphene；
(4) dipping is mixed into the presoma material and carries out spinneret, then irradiated using UV, keep the photocurable of fiber surface poly-
Urethane prepolymer reaction simultaneously solidifies, and graphene/polyurethane composite fibre is made.
2. a kind of preparation method of the preparation method of graphene-polyurethane composite fibre according to claim 1, feature
It is, the total mole number ratio of the liquid dihydric alcohol and the diisocyanate species is 2:1-4:1.
3. a kind of preparation method of the preparation method of graphene-polyurethane composite fibre according to claim 1, feature
It is, the liquid dihydric alcohol is the combination of one or more of polyester-diol, polyetherdiol, polycarbonate glycol.
4. a kind of preparation method of the preparation method of graphene-polyurethane composite fibre according to claim 3, feature
It is, the photosensitive group is benzoin ether group or anthracene chromophore.
5. a kind of preparation method of the preparation method of graphene-polyurethane composite fibre according to claim 3, feature
It is, photoinitiator described in step (3) is in thionyl chloride, phosphorus trichloride, phosphoric phosphine, phosphorus tribromide or phosphorus pentabromide
It is a kind of.
6. a kind of preparation method of the preparation method of graphene-polyurethane composite fibre according to claim 3, feature
It is, spinning process described in step (4) is that the presoma material is first filled spinneret channel body and water conservancy diversion trail, to spray
It pressurizes in silk channel body, along water conservancy diversion trail reduced cross-sectional until finally reaching collecting terminal by water conservancy diversion trail end.
7. a kind of preparation method of the preparation method of graphene-polyurethane composite fibre according to claim 3, feature
It is, to use wavelength for the ultraviolet light irradiation of 200-340nm, irradiation power is 20-100 mW/ for step (4) the UV irradiation
cm2。
8. a kind of preparation method of the preparation method of graphene-polyurethane composite fibre according to claim 3, feature
It is, curing time described in step (4) is 2-10min.
9. a kind of preparation method of the preparation method of graphene-polyurethane composite fibre according to claim 3, feature
It is, the graphene/polyurethane composite fibre line footpath is 0.1-0.5mm.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111472060A (en) * | 2020-04-24 | 2020-07-31 | 浙江华峰氨纶股份有限公司 | Preparation method of spandex with excellent spinnability |
| CN112831914A (en) * | 2021-02-08 | 2021-05-25 | 淮安侨新新材料科技有限公司 | Piezoelectric modified spandex fabric reinforced by needling and preparation method thereof |
| CN113429577A (en) * | 2021-06-13 | 2021-09-24 | 西北工业大学 | Organic photoelectric material and preparation method thereof |
-
2018
- 2018-08-10 CN CN201810907857.XA patent/CN109137132A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111472060A (en) * | 2020-04-24 | 2020-07-31 | 浙江华峰氨纶股份有限公司 | Preparation method of spandex with excellent spinnability |
| CN112831914A (en) * | 2021-02-08 | 2021-05-25 | 淮安侨新新材料科技有限公司 | Piezoelectric modified spandex fabric reinforced by needling and preparation method thereof |
| CN113429577A (en) * | 2021-06-13 | 2021-09-24 | 西北工业大学 | Organic photoelectric material and preparation method thereof |
| CN113429577B (en) * | 2021-06-13 | 2022-08-09 | 西北工业大学 | Organic photoelectric material and preparation method thereof |
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