CN110106573A - A kind of preparation method of graphene acrylic fibers - Google Patents
A kind of preparation method of graphene acrylic fibers Download PDFInfo
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- CN110106573A CN110106573A CN201910284463.8A CN201910284463A CN110106573A CN 110106573 A CN110106573 A CN 110106573A CN 201910284463 A CN201910284463 A CN 201910284463A CN 110106573 A CN110106573 A CN 110106573A
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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
- D01F1/09—Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static filaments
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/54—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polymers of unsaturated nitriles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Artificial Filaments (AREA)
- Inorganic Fibers (AREA)
Abstract
The invention discloses a kind of preparation methods of graphene acrylic fibers, comprising the following steps: a, prepares graphene powder；B, graphene dispersing solution is prepared；C, ceramics dispersion liquid is prepared；D, acrylic fibers solution is prepared；E, graphene acrylic fibers are prepared；F, ceramic acrylic fibers are prepared；G, blended molding.Beneficial effect is: by the way that grapheme material is added when prepared by acrylic fibers raw material, can increase the thermal conductivity of acrylic fiber, to improve the heat dissipation performance of acrylic fabric, improve the comfort level of acrylic fabric dress；By the way that grapheme material is added in acrylic fibers preparation process, makes acrylic fiber that there is certain electric conductivity, the electrostatic of fabric surface can be eliminated, improve the antistatic performance of fabric；By the mixing of graphene acrylic fibers and ceramic acrylic fibers, the thermal property of fabric can be improved while eliminating static of the fabric.
Description
Technical field
The present invention relates to graphene textile material technical fields, and in particular to a kind of preparation method of graphene acrylic fibers.
Background technique
Acrylic fibers, that is, polyacrylonitrile are a kind of soft, slim and graceful, warming, corrosion-resistant and fast light class wool staple fibers.It is compared with sheep
Hair light weight, intensity are high, and shading performance doubles, and can be used for making the shading devices such as clothing and curtain, tent.It is existing
Acrylic fabric is heat-resist, the good stability of the dimension after hot-working.But existing acrylic fabric hygroscopicity is poor, is easy to be stained with
Dirt, dress has sulks sense, and is not easy to radiate, easy to produce static electricity.
Summary of the invention
The object of the invention is that a kind of preparation method of graphene acrylic fibers is provided to solve the above-mentioned problems, this hair
In many technical solutions of bright offer preferred technical solution include can by the admixed graphite alkene material in acrylic fibers material,
The heat dissipation performance of acrylic fibers material can be improved, and electrostatic can be eliminated, improve the technical effects such as the wearing comfort of acrylic fibers material fabric,
Elaboration as detailed below.
To achieve the above object, the present invention provides following technical schemes:
The preparation method of a kind of graphene acrylic fibers provided by the invention, comprising the following steps: a, prepare graphene powder: will
It is 50-150 μm that grapheme material, which is ground to length and width, with a thickness of the powder of 5-8nm；
B, it prepares graphene dispersing solution: graphene powder obtained in step a being added in aqueous titanic acid ester solution and is used
Dispersing apparatus mixing, prepares graphene dispersing solution；
C, it prepares ceramics dispersion liquid: after ceramic mixed-powder is cooperated dispersing agent, being placed in pure water and disperse, obtain liquid
The ceramics dispersion liquid of shape；
D, it prepares acrylic fibers solution: polyacrylonitrile being added in solvent, is heated to 50 DEG C, pressurizing filter, and stir 0.6-
Polyacrylonitrile solution is made in 0.8h；
E, graphene acrylic fibers are prepared: graphene dispersing solution obtained in step b and polyacrylonitrile obtained in step d is molten
Liquid is mixed according to following mass fraction:
The dilute dispersion liquid of graphite: 1-20；
Polyacrylonitrile solution: 150-200；
It is then filtered at 0.5MPa, obtained filtrate stirring 1h is ultrasonically treated 30-50min, graphene acrylic fibers are made and spin
Graphene acrylic fibers are made in silk solution, wet spinning；
F, ceramic acrylic fibers are prepared: ceramics dispersion liquid obtained in step c and polyacrylonitrile solution obtained in step d are mixed
It closes, mixing quality score are as follows:
Ceramics dispersion liquid: 1-30；
Polyacrylonitrile solution: 250-300；
It is then filtered at 0.5MPa, obtained filtrate is ultrasonically treated 30-60min, ceramics acrylic spinning solution is made,
Ceramics acrylic fibers are made in wet spinning；
G, blended molding: graphene acrylic fibers obtained in step e and step f and ceramic acrylic fibers are mixed according to score ratio 7:3
It spins, forms compound acrylic fibers.
Preferably, the grapheme material is one kind or more of single-layer graphene, few layer graphene and graphene oxide
Kind.
Preferably, the dispersing apparatus in the step b is ultrasonic dispersers, and carries out ultrasonic disperse in magnetic field,
Ultrasonic dispersers magnetic field strength is 2-4T, and the intensity of externally-applied magnetic field is 3-5T；
Wherein the ultrasonic frequency of ultrasonic disperse is 20-30KHz, power 2-5KW, jitter time 45-60min, is divided
Dissipating temperature is 30-50 DEG C.
Preferably, the solvent in the step d is dimethylformamide, dimethyl sulfoxide, dimethyl acetamide or sulphur
Zassol.
Preferably, the wet spinning technology are as follows: spin the graphene acrylic spinning solution prepared or ceramic acrylic fibers
Silk solution is squeezed out through spinning head, forms threadiness, is then sent into coagulating bath, is then sequentially sent to pre- heating bath, rinsing bowl and drawing
Bath is stretched, inputs and enters crimping machine curling, last steam shaping, after the fibrous material after sizing oils in drying machine after dry densification
Densified is dried again to get corresponding acrylic fiber.
Preferably, the ceramics mixed-powder is titanium dioxide and aluminium nitride, and the quality of titanium dioxide and aluminium nitride
Score is 1:1.
Preferably, being added in the step b and step c has emulsifying dispersant；
Wherein emulsifying dispersant is sodium alginate, neopelex, one kind of sodium carboxymethylcellulose weight or two
Kind.
Preferably, mass fraction shared by graphene is 10%-20% in the graphene dispersing solution.
Preferably, mass fraction shared by ceramic powders is 15%-20% in the ceramics dispersion liquid.
To sum up, the beneficial effects of the present invention are: 1, by acrylic fibers raw material prepare when grapheme material is added, can increase
The thermal conductivity of acrylic fiber improves the comfort level of acrylic fabric dress to improve the heat dissipation performance of acrylic fabric；
2, by the way that grapheme material is added in acrylic fibers preparation process, make acrylic fiber that there is certain electric conductivity, can disappear
Except the electrostatic of fabric surface, the antistatic performance of fabric is improved；
3, by the mixing of graphene acrylic fibers and ceramic acrylic fibers, the guarantor of fabric can be improved while eliminating static of the fabric
Warm performance.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Embodiment 1
A kind of preparation method of graphene acrylic fibers, comprising the following steps: a, prepare graphene powder: grapheme material is ground
Mill be length and width is 50-150 μm, with a thickness of the powder of 5-8nm, the grapheme material be single-layer graphene, lack layer graphene and
Graphene oxide it is one or more；
B, it prepares graphene dispersing solution: graphene powder obtained in step a being added in aqueous titanic acid ester solution and is used
Dispersing apparatus mixing, prepares graphene dispersing solution；
Wherein, dispersing apparatus is ultrasonic dispersers, and carries out ultrasonic disperse, ultrasonic dispersers magnetic field strength in magnetic field
For 2-4T, the intensity of externally-applied magnetic field is 3-5T, and the ultrasonic frequency of ultrasonic disperse is 20-30KHz, power 2-5KW, dispersion
Time is 45-60min, and dispersion temperature is 30-50 DEG C；
Emulsifying dispersant is added in dispersion process；
Wherein emulsifying dispersant is sodium alginate, neopelex, one kind of sodium carboxymethylcellulose weight or two
Kind；
C, it prepares ceramics dispersion liquid: after ceramic mixed-powder is cooperated dispersing agent, being placed in pure water and disperse, obtain liquid
The ceramics dispersion liquid of shape；
Emulsifying dispersant is added in dispersion process；
Wherein emulsifying dispersant is sodium alginate, neopelex, one kind of sodium carboxymethylcellulose weight or two
Kind；
The ceramics mixed-powder is titanium dioxide and aluminium nitride, and the mass fraction of titanium dioxide and aluminium nitride is 1:1；
D, it prepares acrylic fibers solution: polyacrylonitrile being added in solvent, is heated to 50 DEG C, pressurizing filter, and 0.6h is stirred, it makes
Obtain polyacrylonitrile solution；
E, graphene acrylic fibers are prepared: graphene dispersing solution obtained in step b and polyacrylonitrile obtained in step d is molten
Liquid is mixed according to following mass fraction:
The dilute dispersion liquid of graphite: 2；
Polyacrylonitrile solution: 150；
It is then filtered at 0.5MPa, obtained filtrate stirring 1h is ultrasonically treated 30-50min, graphene acrylic fibers are made and spin
Graphene acrylic fibers are made in silk solution, wet spinning；
F, ceramic acrylic fibers are prepared: ceramics dispersion liquid obtained in step c and polyacrylonitrile solution obtained in step d are mixed
It closes, mixing quality score are as follows:
Ceramics dispersion liquid: 1；
Polyacrylonitrile solution: 250；
It is then filtered at 0.5MPa, obtained filtrate is ultrasonically treated 30-60min, ceramics acrylic spinning solution is made,
Ceramics acrylic fibers are made in wet spinning；
G, blended molding: graphene acrylic fibers obtained in step e and step f and ceramic acrylic fibers are mixed according to score ratio 7:3
It spins, forms compound acrylic fibers.
As optional embodiment, the solvent in the step d is dimethylformamide, dimethyl sulfoxide, dimethyl
Acetamide or sodium sulfocyanate；
The wet spinning technology are as follows: by the graphene acrylic spinning solution prepared or ceramic acrylic spinning solution through spraying
Silk head squeezes out, and forms threadiness, is then sent into coagulating bath, is then sequentially sent to pre- heating bath, rinsing bowl and stretch bath, and input is dry
Enter crimping machine after dry densification in dry machine to crimp, last steam shaping, the fibrous material after sizing is done again after oiling
Dry densified is to get corresponding acrylic fiber；
Mass fraction shared by graphene is 10% in the graphene dispersing solution；
Mass fraction shared by ceramic powders is 15% in the ceramics dispersion liquid.
It is 0.25W/mk, filament number 1.5dtex, fracture according to compound acrylic fibers thermal coefficient made from above-described embodiment
Intensity is 3.5cN/dtex.
Embodiment 2
A kind of preparation method of graphene acrylic fibers, comprising the following steps: a, prepare graphene powder: grapheme material is ground
Mill be length and width is 50-150 μm, with a thickness of the powder of 5-8nm, the grapheme material be single-layer graphene, lack layer graphene and
Graphene oxide it is one or more；
B, it prepares graphene dispersing solution: graphene powder obtained in step a being added in aqueous titanic acid ester solution and is used
Dispersing apparatus mixing, prepares graphene dispersing solution；
Wherein, dispersing apparatus is ultrasonic dispersers, and carries out ultrasonic disperse, ultrasonic dispersers magnetic field strength in magnetic field
For 2-4T, the intensity of externally-applied magnetic field is 3-5T, and the ultrasonic frequency of ultrasonic disperse is 20-30KHz, power 2-5KW, dispersion
Time is 45-60min, and dispersion temperature is 30-50 DEG C；
Emulsifying dispersant is added in dispersion process；
Wherein emulsifying dispersant is sodium alginate, neopelex, one kind of sodium carboxymethylcellulose weight or two
Kind；
C, it prepares ceramics dispersion liquid: after ceramic mixed-powder is cooperated dispersing agent, being placed in pure water and disperse, obtain liquid
The ceramics dispersion liquid of shape；
Emulsifying dispersant is added in dispersion process；
Wherein emulsifying dispersant is sodium alginate, neopelex, one kind of sodium carboxymethylcellulose weight or two
Kind；
The ceramics mixed-powder is titanium dioxide and aluminium nitride, and the mass fraction of titanium dioxide and aluminium nitride is 1:1；
D, it prepares acrylic fibers solution: polyacrylonitrile being added in solvent, is heated to 50 DEG C, pressurizing filter, and 0.6h is stirred, it makes
Obtain polyacrylonitrile solution；
E, graphene acrylic fibers are prepared: graphene dispersing solution obtained in step b and polyacrylonitrile obtained in step d is molten
Liquid is mixed according to following mass fraction:
The dilute dispersion liquid of graphite: 20；
Polyacrylonitrile solution: 200；
It is then filtered at 0.5MPa, obtained filtrate stirring 1h is ultrasonically treated 30-50min, graphene acrylic fibers are made and spin
Graphene acrylic fibers are made in silk solution, wet spinning；
F, ceramic acrylic fibers are prepared: ceramics dispersion liquid obtained in step c and polyacrylonitrile solution obtained in step d are mixed
It closes, mixing quality score are as follows:
Ceramics dispersion liquid: 30；
Polyacrylonitrile solution: 300；
It is then filtered at 0.5MPa, obtained filtrate is ultrasonically treated 30-60min, ceramics acrylic spinning solution is made,
Ceramics acrylic fibers are made in wet spinning；
G, blended molding: graphene acrylic fibers obtained in step e and step f and ceramic acrylic fibers are mixed according to score ratio 7:3
It spins, forms compound acrylic fibers.
As optional embodiment, the solvent in the step d is dimethylformamide, dimethyl sulfoxide, dimethyl
Acetamide or sodium sulfocyanate；
The wet spinning technology are as follows: by the graphene acrylic spinning solution prepared or ceramic acrylic spinning solution through spraying
Silk head squeezes out, and forms threadiness, is then sent into coagulating bath, is then sequentially sent to pre- heating bath, rinsing bowl and stretch bath, and input is dry
Enter crimping machine after dry densification in dry machine to crimp, last steam shaping, the fibrous material after sizing is done again after oiling
Dry densified is to get corresponding acrylic fiber；
Mass fraction shared by graphene is 20% in the graphene dispersing solution；
Mass fraction shared by ceramic powders is 20% in the ceramics dispersion liquid.
It is 1.2W/mk, filament number 0.8dtex, fracture according to compound acrylic fibers thermal coefficient made from above-described embodiment
Intensity is 2.0cN/dtex.
Embodiment 3
A kind of preparation method of graphene acrylic fibers, comprising the following steps: a, prepare graphene powder: grapheme material is ground
Mill be length and width is 50-150 μm, with a thickness of the powder of 5-8nm, the grapheme material be single-layer graphene, lack layer graphene and
Graphene oxide it is one or more；
B, it prepares graphene dispersing solution: graphene powder obtained in step a being added in aqueous titanic acid ester solution and is used
Dispersing apparatus mixing, prepares graphene dispersing solution；
Wherein, dispersing apparatus is ultrasonic dispersers, and carries out ultrasonic disperse, ultrasonic dispersers magnetic field strength in magnetic field
For 2-4T, the intensity of externally-applied magnetic field is 3-5T, and the ultrasonic frequency of ultrasonic disperse is 20-30KHz, power 2-5KW, dispersion
Time is 45-60min, and dispersion temperature is 30-50 DEG C；
Emulsifying dispersant is added in dispersion process；
Wherein emulsifying dispersant is sodium alginate, neopelex, one kind of sodium carboxymethylcellulose weight or two
Kind；
C, it prepares ceramics dispersion liquid: after ceramic mixed-powder is cooperated dispersing agent, being placed in pure water and disperse, obtain liquid
The ceramics dispersion liquid of shape；
Emulsifying dispersant is added in dispersion process；
Wherein emulsifying dispersant is sodium alginate, neopelex, one kind of sodium carboxymethylcellulose weight or two
Kind；
The ceramics mixed-powder is titanium dioxide and aluminium nitride, and the mass fraction of titanium dioxide and aluminium nitride is 1:1；
D, it prepares acrylic fibers solution: polyacrylonitrile being added in solvent, is heated to 50 DEG C, pressurizing filter, and 0.6h is stirred, it makes
Obtain polyacrylonitrile solution；
E, graphene acrylic fibers are prepared: graphene dispersing solution obtained in step b and polyacrylonitrile obtained in step d is molten
Liquid is mixed according to following mass fraction:
The dilute dispersion liquid of graphite: 10；
Polyacrylonitrile solution: 175；
It is then filtered at 0.5MPa, obtained filtrate stirring 1h is ultrasonically treated 30-50min, graphene acrylic fibers are made and spin
Graphene acrylic fibers are made in silk solution, wet spinning；
F, ceramic acrylic fibers are prepared: ceramics dispersion liquid obtained in step c and polyacrylonitrile solution obtained in step d are mixed
It closes, mixing quality score are as follows:
Ceramics dispersion liquid: 15；
Polyacrylonitrile solution: 275；
It is then filtered at 0.5MPa, obtained filtrate is ultrasonically treated 30-60min, ceramics acrylic spinning solution is made,
Ceramics acrylic fibers are made in wet spinning；
G, blended molding: graphene acrylic fibers obtained in step e and step f and ceramic acrylic fibers are mixed according to score ratio 7:3
It spins, forms compound acrylic fibers.
As optional embodiment, the solvent in the step d is dimethylformamide, dimethyl sulfoxide, dimethyl
Acetamide or sodium sulfocyanate；
The wet spinning technology are as follows: by the graphene acrylic spinning solution prepared or ceramic acrylic spinning solution through spraying
Silk head squeezes out, and forms threadiness, is then sent into coagulating bath, is then sequentially sent to pre- heating bath, rinsing bowl and stretch bath, and input is dry
Enter crimping machine after dry densification in dry machine to crimp, last steam shaping, the fibrous material after sizing is done again after oiling
Dry densified is to get corresponding acrylic fiber；
Mass fraction shared by graphene is 15% in the graphene dispersing solution；
Mass fraction shared by ceramic powders is 17% in the ceramics dispersion liquid.
It is 1.0W/mk, filament number 1.0dtex, fracture according to compound acrylic fibers thermal coefficient made from above-described embodiment
Intensity is 2cN/dtex.
By the way that grapheme material is added in the preparation of acrylic fibers raw material, the thermal conductivity of acrylic fiber can be increased, to improve nitrile
The heat dissipation performance of synthetic fibre fabric improves the comfort level of acrylic fabric dress；
By the way that grapheme material is added in acrylic fibers preparation process, makes acrylic fiber that there is certain electric conductivity, can eliminate
The electrostatic of fabric surface improves the antistatic performance of fabric；
By the mixing of graphene acrylic fibers and ceramic acrylic fibers, the warming of fabric can be improved while eliminating static of the fabric
Performance.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (9)
1. a kind of preparation method of graphene acrylic fibers, which comprises the following steps: a, prepare graphene powder: by stone
It is 50-150 μm that black alkene material, which is ground to length and width, with a thickness of the powder of 5-8nm；
B, it prepares graphene dispersing solution: graphene powder obtained in step a is added in aqueous titanic acid ester solution using dispersion
Equipment mixing, prepares graphene dispersing solution；
C, it prepares ceramics dispersion liquid: after ceramic mixed-powder is cooperated dispersing agent, being placed in pure water and disperse, obtain liquid
Ceramics dispersion liquid；
D, it prepares acrylic fibers solution: polyacrylonitrile being added in solvent, is heated to 50 DEG C, pressurizing filter, and 0.6-0.8h is stirred, it makes
Obtain polyacrylonitrile solution；
E, graphene acrylic fibers are prepared: graphene dispersing solution obtained in step b and polyacrylonitrile solution obtained in step d are pressed
It is mixed according to following mass fraction:
The dilute dispersion liquid of graphite: 1-20；
Polyacrylonitrile solution: 150-200；
It is then filtered at 0.5MPa, obtained filtrate stirring 1h is ultrasonically treated 30-50min, it is molten that graphene acrylic spinning is made
Graphene acrylic fibers are made in liquid, wet spinning；
F, ceramic acrylic fibers are prepared: ceramics dispersion liquid obtained in step c is mixed with polyacrylonitrile solution obtained in step d,
Mixing quality score are as follows:
Ceramics dispersion liquid: 1-30；
Polyacrylonitrile solution: 250-300；
It is then filtered at 0.5MPa, obtained filtrate is ultrasonically treated 30-60min, ceramics acrylic spinning solution, wet process is made
Ceramics acrylic fibers are made in spinning；
G, blended molding: by graphene acrylic fibers obtained in step e and step f and ceramic acrylic fibers according to score ratio 7:3 blended, shape
At compound acrylic fibers.
2. a kind of preparation method of graphene acrylic fibers according to claim 1, it is characterised in that: the grapheme material is single
Layer graphene, few layer graphene and graphene oxide it is one or more.
3. a kind of preparation method of graphene acrylic fibers according to claim 1, it is characterised in that: the dispersion in the step b
Equipment is ultrasonic dispersers, and ultrasonic disperse is carried out in magnetic field, and ultrasonic dispersers magnetic field strength is 2-4T, externally-applied magnetic field
Intensity is 3-5T；
Wherein the ultrasonic frequency of ultrasonic disperse is 20-30KHz, power 2-5KW, jitter time 45-60min, dispersion temperature
Degree is 30-50 DEG C.
4. a kind of preparation method of graphene acrylic fibers according to claim 1, it is characterised in that: the solvent in the step d
For dimethylformamide, dimethyl sulfoxide, dimethyl acetamide or sodium sulfocyanate.
5. a kind of preparation method of graphene acrylic fibers according to claim 1, it is characterised in that: the wet spinning technology
Are as follows: the graphene acrylic spinning solution prepared or ceramic acrylic spinning solution are squeezed out through spinning head, form threadiness, then
It is sent into coagulating bath, is then sequentially sent to pre- heating bath, rinsing bowl and stretch bath, input in drying machine and enter curling after dry densification
Densified is dried again to get corresponding acrylic fibers in machine curling, last steam shaping, the fibrous material after sizing after oiling
Fiber.
6. a kind of preparation method of graphene acrylic fibers according to claim 1, it is characterised in that: it is described ceramics mixed-powder be
Titanium dioxide and aluminium nitride, and the mass fraction of titanium dioxide and aluminium nitride is 1:1.
7. a kind of preparation method of graphene acrylic fibers according to claim 1, it is characterised in that: in the step b and step c
Being added has emulsifying dispersant；
Wherein emulsifying dispersant is the one or two of sodium alginate, neopelex, sodium carboxymethylcellulose weight.
8. a kind of preparation method of graphene acrylic fibers according to claim 1, it is characterised in that: in the graphene dispersing solution
Mass fraction shared by graphene is 10%-20%.
9. a kind of preparation method of graphene acrylic fibers according to claim 1, it is characterised in that: make pottery in the ceramics dispersion liquid
Mass fraction shared by porcelain powder is 15%-20%.
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| CN115821573A (en) * | 2021-09-16 | 2023-03-21 | 中国石油化工股份有限公司 | Conductive dry acrylic fiber and preparation method thereof |
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Application publication date: 20190809 |