CN107164822A - A kind of graphene polyester fiber with deodorization functions and preparation method thereof - Google Patents
A kind of graphene polyester fiber with deodorization functions and preparation method thereof Download PDFInfo
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- CN107164822A CN107164822A CN201710413722.3A CN201710413722A CN107164822A CN 107164822 A CN107164822 A CN 107164822A CN 201710413722 A CN201710413722 A CN 201710413722A CN 107164822 A CN107164822 A CN 107164822A
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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
- D01F6/92—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 polyesters
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
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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
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
Abstract
The present invention provides a kind of graphene polyester fiber with deodorization functions, the fiber, to the antibiotic properties of Escherichia coli up to 98.5 99.0%, to the antibiotic property of staphylococcus aureus up to 98.0 98.7%；98 99% are reached to ammonia gas absorption rate, acetic acid adsorption rate reaches 97.7 98.5%, 96.5 98% are reached to isovaleric acid adsorption rate.The present invention also provides a kind of preparation method of the graphene polyester fiber with deodorization functions, and the preparation method includes preparing Graphene powder dispersion liquid, silicic acid gel coated graphite alkene, prepares silicic acid gel coated graphite alkene particle dispersion, melting, blending, the spinning of dacron polyester section.The preparation method of graphene polyester fiber of the present invention, while the modification without graphene, improves the deodorization functions of graphene polyester fiber；The compatibility of graphene and dacron polyester is good, and the antibiotic property and deodoriging properties of fiber are good.
Description
Technical field
It is particularly a kind of with the graphene polyester fiber of deodorization functions and its preparation the present invention relates to a kind of polyester fiber
Method, belongs to textile technology field.
Background technology
Polyester fiber (polyester fibre) is by organic dibasic acid and the polyester of dihydric alcohol polycondensation through obtained by spinning
Synthetic fibers.What polyester fiber was predominantly made of polyethylene terephthalate, China's trade name terylene, referred to as
PET, is the first big kind of current synthetic fibers.The biggest advantage is that wrinkle resistance and conformality are very well, with higher
Intensity and elastic recovery capability.Its strong durable, wash and wear.
Graphene has antibiotic property, can prevent the breeding of bacterium, fundamentally avoids the generation of foul smell；Graphene also has
There is very high electric conductivity, be the material of resistivity minimum in the world, graphene can be added in fibrous material, improve fiber
Electric conductivity；Graphene also has anti-flammability and radiation resistance, can assign fibre different functions.
The topmost problem of polyester fiber is that the variation of product is few, develops the polyester fiber product of differential and functionalization
Meet the demand in market.
Patent CN105200547A, discloses a kind of preparation method of graphene-terylene nanometer composite fibre, and it is chosenChange The graphene oxide that oxidation is peeled off is learned, then through bromohexadecane organic modification and modification, it is then poly- with dried terylene
Ester is cut into slices, and carries out mixed at high speed, then carries out twin-screw extrusion, granulation, is realized the graphene after modification and is gathered with terylene
The good interface compatibility of ester macromolecule, is easily uniformly mixed with dacron polyester section matrix material.
The deficiency that existing graphene polyester fiber is present is：
If graphene is without modified and modification, the graphene polyester fiber prepared, antibacterial and deodoriging properties are poor, still
Modified graphene, due to the access of oxygen atom, destroys the big pi bond of delocalization, thus loses the original high electronics of graphene
Conducting power so that the electric conductivity of graphene is greatly reduced.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of with the graphene polyester fiber of deodorization functions and its preparation
Method, to realize following goal of the invention：
While the modification without graphene, the deodorization functions of graphene polyester fiber are improved.
In order to realize foregoing invention purpose, the technical solution adopted by the present invention is：
A kind of graphene polyester fiber with deodorization functions, it is characterised in that：The fiber, the antibiotic property to Escherichia coli reaches
98.5-99.0%, the antibiotic property to staphylococcus aureus reaches 98.0-98.7%；98-99% is reached to ammonia gas absorption rate, acetic acid is inhaled
Attached rate reaches 97.7-98.5%, and 96.5-98% is reached to isovaleric acid adsorption rate.
The following is the further improvement to above-mentioned technical proposal：
The fiber, the graphene particles content of silicic acid gel cladding is 1.3-2.5%；The stone of 80-85% silicic acid gel cladding
The evengranular cortex for being distributed in fiber of black alkene.
A kind of preparation method of the graphene polyester fiber with deodorization functions, comprises the following steps：
（1）Prepare Graphene powder dispersion liquid
Graphene powder is dispersed in the aqueous solution containing sodium metasilicate and sodium metasilicate, 5-8% dispersants are added, in 1800-
After being stirred 30 minutes under 2000r/min, graphene powder is uniformly dispersed in the aqueous solution of sodium metasilicate and sodium metasilicate, is obtained
Graphene powder dispersion liquid.
The aqueous solution of the sodium metasilicate and sodium metasilicate, the content of sodium metasilicate is 22.5-23.0%, and sodium metasilicate content is
20-21%。
The mass ratio of the graphene powder and the aqueous solution containing sodium metasilicate and sodium metasilicate is 15-17:100；
The dispersant, including PCA cocounut oil acyl arginine ethyl esters salt, cocounut oil acyl apple amino acid sodium, lauroyl hydrolysis silk sodium,
Sodium bacillus subtilis lipopeptide, mass ratio is 5:2:3:1.
The graphene powder, particle diameter is 50-60nm；
The addition of dispersant, it is ensured that in aqueous, scattered is uniform for graphene powder, suspensibility is high, not free settling.
（2）Silicic acid gel coated graphite alkene
By Graphene powder dispersion liquid, watery hydrochloric acid is added dropwise, drop rate is 0.9-1.2ml/s, and stir speed (S.S.) control is 1300-
1400r/min, when having gel to occur, the drop rate of regulation watery hydrochloric acid is 0.04-0.06ml/s, and stirring is adjusted to interval and stirred
Mix, 5min is stirred under 500-600 r/min, stop 1min, as 1 cycle, until gel is not regenerated, powder stone
Black one layer of silicic acid gel of alkene Surface coating, after filtering, 70-75 DEG C of drying is warming up to 2-3 DEG C/min speed, is dried to moisture
Content is less than 0.3-0.5%, obtains 70-80nm silicic acid gel coated graphite alkene particle.
Sodium metasilicate and sodium metasilicate generate silicic acid gel in acid condition；
The watery hydrochloric acid, concentration is 6-8%.
Take drop rate, agitating mode, stir speed (S.S.) and the time of above-mentioned watery hydrochloric acid so that silicic acid gel is slowly equal
Even is coated on around graphene powder.
（3）Prepare silicic acid gel coated graphite alkene particle dispersion
By silicic acid gel coated graphite alkene particle, NMP is dispersed in（N- methyl pyrrolidones）In, prepare silicic acid gel coated graphite
Alkene particle dispersion；
The mass ratio of the silicic acid gel coated graphite alkene particle and NMP is 1:20-22.
（4）The melting of dacron polyester section
The section of raw material dacron polyester is dried, the water content in dried dacron polyester section is in below 40ppm, feeding
Copper expects pipe, is electrically heated to dacron polyester section, and heating-up temperature is 268-270 DEG C, the dacron polyester section melted；
The raw material dacron polyester section, melt index is 108-110g/10min（Temperature is 268-270 DEG C）；Average molecular matter
Measure as 21000-22000.
（5）Blending
Silicic acid gel coated graphite alkene particle dispersion is passed through copper expects pipe, in 40-45S-1Shear rate under be stirred it is mixed
Close uniform, mixing temperature is 270 DEG C；Until when the dynamic viscosity of blended liquid increases to 560-562Pas, obtaining spinning solution；It is defeated
Enter spinning head.
The cut into slices mass ratio of melt extrudate of the silicic acid gel coated graphite alkene particle and dacron polyester is 1.3-
2.5:100。
（6）Spinning
Spinning head connects the positive pole of high voltage power supply, and the aperture of spinning head is 0.7-0.8mm, and receiver board is horizontally disposed with, positioned at spinneret
The underface of head, receiver board connects the negative pole of high voltage power supply, and the distance between spinning head and receiver board are 15-18cm, spinning electricity
Press as 20-22KV, progress electrostatic spinning；Fiber, a diameter of 2-4 μm of fiber are obtained in receiver board.
Spinning head connects the positive pole of high voltage power supply so that take substantial amounts of positive electricity by the spinning solution surface of spinning head, spins
The faint negative electricity of silicic acid gel coated graphite alkene particle band in silk liquid, and the positive electricity on spinning solution surface is more than silicic acid gel cladding
The negative electricity of graphene particles（It can so ensure that spinning solution is moved to receiver board）, during whole electrostatic spinning, silicic acid coagulates
Glue coated graphite alkene particle can be moved to spinning solution surface so that in the fiber finally prepared, silicic acid gel coated graphite alkene
Grain is evenly distributed in the surface of fiber.
How to ensure that the positive electricity on spinning solution surface is more than the negative electricity of silicic acid gel coated graphite alkene particle, so that spinning
During i.e. can ensure that spinning solution is moved to receiver board, table of the silicic acid gel coated graphite alkene particle to fiber can be caused again
Face is moved, and is the technical barrier of the present invention.
The present invention is existed using the graphene particles of specific silicic acid gel coated graphite alkene technique, control silicic acid gel cladding
Voltage and the distance between spinning head and receiver board when the viscosity of addition, spinning solution in fiber, spinning so that silicic acid coagulates
The graphene particles of glue cladding are evenly distributed in the surface of fiber, enhance the anti-microbial property of graphene, suppress bacterium foul smell
Generation；Simultaneously silicic acid gel there is certain suction-operated, it is distributed in fiber surface, can also strengthen to ammonia, acetic acid,
The suction-operated of isovaleric acid, it is achieved thereby that while not being modified to graphene, improve graphene fiber antibacterial and
Deodorization functions.
By adopting the above-described technical solution, the present invention reach have the technical effect that：
（1）The preparation method of graphene polyester fiber of the present invention, while the modification without graphene, improves graphite
The deodorization functions of alkene polyester fiber.
The compatibility of graphene and dacron polyester is good, and the graphene particles of 80-85% silicic acid gel cladding are uniformly distributed
In the cortex of fiber, the antibiotic property of fiber and the function of deodorization are improved；Graphene polyester fiber prepared by the present invention, to large intestine bar
The antibiotic property of bacterium reaches 98.5-99.0%, and the antibiotic property to staphylococcus aureus reaches 98.0-98.7%；Ammonia gas absorption rate is reached
98-99%, acetic acid adsorption rate reaches 97.7-98.5%, and 96.5-98% is reached to isovaleric acid adsorption rate.
（2）Graphene polyester fiber prepared by the present invention, the graphene particles content of silicic acid gel cladding is 1.3-2.5%；
The electrical conductivity of fiber reaches 3-3.5 × 10-7S/cm, fracture strength is 5.0-5.5cN/dtex.
Embodiment
With reference to embodiment, the present invention is described in detail.Following examples will be helpful to those skilled in the art
The present invention is further understood, but the invention is not limited in any way.It should be pointed out that to one of ordinary skill in the art
For, without departing from the inventive concept of the premise, it can also make certain adjustments and improvements.These belong to the guarantor of the present invention
Protect scope.
A kind of preparation method of the graphene polyester fiber with deodorization functions of embodiment 1
Comprise the following steps：
（1）Prepare Graphene powder dispersion liquid
Graphene powder is dispersed in the aqueous solution containing sodium metasilicate and sodium metasilicate, 5% dispersant is added, under 1800r/min
After stirring 30 minutes, graphene powder is uniformly dispersed in the aqueous solution of sodium metasilicate and sodium metasilicate, obtains graphene powder
Dispersion liquid.
The aqueous solution of the sodium metasilicate and sodium metasilicate, the content of sodium metasilicate is 22.5%, and sodium metasilicate content is 20%.
The mass ratio of the graphene powder and the aqueous solution containing sodium metasilicate and sodium metasilicate is 15:100；
The dispersant, including PCA cocounut oil acyl arginine ethyl esters salt, cocounut oil acyl apple amino acid sodium, lauroyl hydrolysis silk sodium,
Sodium bacillus subtilis lipopeptide, mass ratio is 5:2:3:1.
The graphene powder, particle diameter is 52nm；
The addition of dispersant, it is ensured that in aqueous, scattered is uniform for graphene powder, suspensibility is high, not free settling.
（2）Silicic acid gel coated graphite alkene
By Graphene powder dispersion liquid, watery hydrochloric acid is added dropwise, drop rate is 1.0ml/s, and stir speed (S.S.) control is 1300r/min,
When having gel to occur, the drop rate of regulation watery hydrochloric acid is 0.04ml/s, and stirring is adjusted to intermittent stirring, in 520 r/min
Lower stirring 5min, stops 1min, as 1 cycle, until gel is not regenerated, powder graphenic surface is coated one layer of silicon
Acid gel, after filtering, 70-75 DEG C of drying is warming up to 2 DEG C/min speed, dries to moisture and is less than 0.3%, obtain 70-
72nm silicic acid gel coated graphite alkene particle.
Sodium metasilicate and sodium metasilicate generate silicic acid gel in acid condition；
The watery hydrochloric acid, concentration is 6%.
Take drop rate, agitating mode, stir speed (S.S.) and the time of above-mentioned watery hydrochloric acid so that silicic acid gel is slowly equal
Even is coated on around graphene powder.
（3）Prepare silicic acid gel coated graphite alkene particle dispersion
By silicic acid gel coated graphite alkene particle, NMP is dispersed in（N- methyl pyrrolidones）In, prepare silicic acid gel coated graphite
Alkene particle dispersion；
The mass ratio of the silicic acid gel coated graphite alkene particle and NMP is 1:20.
（4）The melting of dacron polyester section
The section of raw material dacron polyester is dried, the water content in dried dacron polyester section is in below 40ppm, feeding
Copper expects pipe, is electrically heated to dacron polyester section, and heating-up temperature is 268 DEG C, the dacron polyester section melted；
The raw material dacron polyester section, melt index is 108g/10min（Temperature is 268 DEG C）；Relative molecular mass is
21000。
（5）Blending
Silicic acid gel coated graphite alkene particle dispersion is passed through copper expects pipe, in 40S-1Shear rate under be stirred mixing
Uniformly, mixing temperature is 270 DEG C；Until when the dynamic viscosity of blended liquid increases to 560Pas, obtaining spinning solution；Input spinneret
Head.
The cut into slices mass ratio of melt extrudate of the silicic acid gel coated graphite alkene particle and dacron polyester is 1.3:
100。
（6）Spinning
Spinning head connects the positive pole of high voltage power supply, and the aperture of spinning head is 0.7mm, and receiver board is horizontally disposed with, positioned at spinning head
Underface, receiver board connects the negative pole of high voltage power supply, and the distance between spinning head and receiver board are 15cm, and spinning voltage is
20KV, carries out electrostatic spinning；Fiber, a diameter of 2 μm of fiber are obtained in receiver board.
Graphene polyester fiber prepared by the embodiment of the present invention 1, the graphene particles of 80% silicic acid gel cladding are uniform
The cortex for being distributed in fiber, improve fiber antibiotic property and deodorization function；Graphene polyester fiber prepared by the present invention, it is right
The antibiotic property of Escherichia coli is up to 98.5%, to the antibiotic property of staphylococcus aureus up to 98.0%；98% is reached to ammonia gas absorption rate,
Acetic acid adsorption rate reaches 97.5%, and 96.5% is reached to isovaleric acid adsorption rate.
Graphene polyester fiber prepared by the embodiment of the present invention 1, the graphene particles content of silicic acid gel cladding is 1.3%；
The electrical conductivity of fiber is up to 3 × 10-7S/cm, fracture strength is 5.0cN/dtex.
A kind of preparation method of the graphene polyester fiber with deodorization functions of embodiment 2
Comprise the following steps：
（1）Prepare Graphene powder dispersion liquid
Graphene powder is dispersed in the aqueous solution containing sodium metasilicate and sodium metasilicate, 6% dispersant is added, under 2000r/min
After stirring 30 minutes, graphene powder is uniformly dispersed in the aqueous solution of sodium metasilicate and sodium metasilicate, obtains graphene powder
Dispersion liquid.
The aqueous solution of the sodium metasilicate and sodium metasilicate, the content of sodium metasilicate is 22.8%, and sodium metasilicate content is 20.4%.
The mass ratio of the graphene powder and the aqueous solution containing sodium metasilicate and sodium metasilicate is 16:100；
The dispersant, including PCA cocounut oil acyl arginine ethyl esters salt, cocounut oil acyl apple amino acid sodium, lauroyl hydrolysis silk sodium,
Sodium bacillus subtilis lipopeptide, mass ratio is 5:2:3:1.
The graphene powder, particle diameter is 56nm；
The addition of dispersant, it is ensured that in aqueous, scattered is uniform for graphene powder, suspensibility is high, not free settling.
（2）Silicic acid gel coated graphite alkene
By Graphene powder dispersion liquid, watery hydrochloric acid is added dropwise, drop rate is 1.2ml/s, and stir speed (S.S.) control is 1400r/min,
When having gel to occur, the drop rate of regulation watery hydrochloric acid is 0.05ml/s, and stirring is adjusted to intermittent stirring, in 600 r/min
Lower stirring 5min, stops 1min, as 1 cycle, until gel is not regenerated, powder graphenic surface is coated one layer of silicon
Acid gel, after filtering, 75 DEG C of dryings are warming up to 2.4 DEG C/min speed, dries to moisture and is less than 0.3%, obtain 78nm
Silicic acid gel coated graphite alkene particle.
Sodium metasilicate and sodium metasilicate generate silicic acid gel in acid condition；
The watery hydrochloric acid, concentration is 7%.
Take drop rate, agitating mode, stir speed (S.S.) and the time of above-mentioned watery hydrochloric acid so that silicic acid gel is slowly equal
Even is coated on around graphene powder.
（3）Prepare silicic acid gel coated graphite alkene particle dispersion
By silicic acid gel coated graphite alkene particle, NMP is dispersed in（N- methyl pyrrolidones）In, prepare silicic acid gel coated graphite
Alkene particle dispersion；
The mass ratio of the silicic acid gel coated graphite alkene particle and NMP is 1: 22.
（4）The melting of dacron polyester section
The section of raw material dacron polyester is dried, the water content in dried dacron polyester section is in below 40ppm, feeding
Copper expects pipe, is electrically heated, heating-up temperature is 270 DEG C, obtains dacron polyester fused mass to dacron polyester section.
The raw material dacron polyester section, melt index is 110g/10min（Temperature is 270 DEG C）；Relative molecular mass is
21600。
（5）Blending
Silicic acid gel coated graphite alkene particle dispersion is passed through copper expects pipe, in 43S-1Shear rate under be stirred mixing
Uniformly, mixing temperature is 270 DEG C；Until when the dynamic viscosity of blended liquid increases to 560Pas, obtaining spinning solution；Input spinneret
Head.
The cut into slices mass ratio of melt extrudate of the silicic acid gel coated graphite alkene particle and dacron polyester is 2.0:
100。
（6）Spinning
Spinning head connects the positive pole of high voltage power supply, and the aperture of spinning head is 0.8mm, and receiver board is horizontally disposed with, positioned at spinning head
Underface, receiver board connects the negative pole of high voltage power supply, and the distance between spinning head and receiver board are 17cm, and spinning voltage is
21KV, carries out electrostatic spinning；Fiber, a diameter of 3 μm of fiber are obtained in receiver board.
Graphene polyester fiber prepared by the embodiment of the present invention 2, the graphene particles of 82% silicic acid gel cladding are uniform
The cortex for being distributed in fiber, improve fiber antibiotic property and deodorization function；Graphene polyester fiber prepared by the present invention, it is right
The antibiotic property of Escherichia coli is up to 99.0%, to the antibiotic property of staphylococcus aureus up to 98.7%；99% is reached to ammonia gas absorption rate,
Acetic acid adsorption rate reaches 98.5%, and 98% is reached to isovaleric acid adsorption rate.
Graphene polyester fiber prepared by the embodiment of the present invention 2, the graphene particles content of silicic acid gel cladding is 2.0%；
The electrical conductivity of fiber is up to 3.2 × 10-7S/cm, fracture strength is 5.3cN/dtex.
A kind of preparation method of the graphene polyester fiber with deodorization functions of embodiment 3
Comprise the following steps：
（1）Prepare Graphene powder dispersion liquid
Graphene powder is dispersed in the aqueous solution containing sodium metasilicate and sodium metasilicate, 8% dispersant is added, under 2000r/min
After stirring 30 minutes, graphene powder is uniformly dispersed in the aqueous solution of sodium metasilicate and sodium metasilicate, obtains graphene powder
Dispersion liquid.
The aqueous solution of the sodium metasilicate and sodium metasilicate, the content of sodium metasilicate is 23.0%, and sodium metasilicate content is 21%.
The mass ratio of the graphene powder and the aqueous solution containing sodium metasilicate and sodium metasilicate is 17:100；
The dispersant, including PCA cocounut oil acyl arginine ethyl esters salt, cocounut oil acyl apple amino acid sodium, lauroyl hydrolysis silk sodium,
Sodium bacillus subtilis lipopeptide, mass ratio is 5:2:3:1.
The graphene powder, particle diameter is 60nm；
The addition of dispersant, it is ensured that in aqueous, scattered is uniform for graphene powder, suspensibility is high, not free settling.
（2）Silicic acid gel coated graphite alkene
By Graphene powder dispersion liquid, watery hydrochloric acid is added dropwise, drop rate is 1.2ml/s, and stir speed (S.S.) control is 1400r/min,
When having gel to occur, the drop rate of regulation watery hydrochloric acid is 0.06ml/s, and stirring is adjusted to intermittent stirring, in 600 r/min
Lower stirring 5min, stops 1min, as 1 cycle, until gel is not regenerated, powder graphenic surface is coated one layer of silicon
Acid gel, after filtering, 75 DEG C of dryings are warming up to 3 DEG C/min speed, dries to moisture and is less than 0.5%, obtain 80nm's
Silicic acid gel coated graphite alkene particle.
Sodium metasilicate and sodium metasilicate generate silicic acid gel in acid condition；
The watery hydrochloric acid, concentration is 7%.
Take drop rate, agitating mode, stir speed (S.S.) and the time of above-mentioned watery hydrochloric acid so that silicic acid gel is slowly equal
Even is coated on around graphene powder.
（3）Prepare silicic acid gel coated graphite alkene particle dispersion
By silicic acid gel coated graphite alkene particle, NMP is dispersed in（N- methyl pyrrolidones）In, prepare silicic acid gel coated graphite
Alkene particle dispersion；
The mass ratio of the silicic acid gel coated graphite alkene particle and NMP is 1: 22.
（4）The melting of dacron polyester section
The section of raw material dacron polyester is dried, the water content in dried dacron polyester section is in below 40ppm, feeding
Copper expects pipe, is electrically heated to dacron polyester section, and heating-up temperature is 270 DEG C, the dacron polyester section melted；
The raw material dacron polyester section, melt index is 110g/10min（Temperature is 270 DEG C）；Relative molecular mass is
22000。
（5）Blending
Silicic acid gel coated graphite alkene particle dispersion is passed through copper expects pipe, in 45S-1Shear rate under be stirred mixing
Uniformly, mixing temperature is 270 DEG C；Until when the dynamic viscosity of blended liquid increases to 562Pas, obtaining spinning solution；Input spinneret
Head.
The cut into slices mass ratio of melt extrudate of the silicic acid gel coated graphite alkene particle and dacron polyester is 2.5:
100。
（6）Spinning
Spinning head connects the positive pole of high voltage power supply, and the aperture of spinning head is 0.8mm, and receiver board is horizontally disposed with, positioned at spinning head
Underface, receiver board connects the negative pole of high voltage power supply, and the distance between spinning head and receiver board are 17.5cm, and spinning voltage is
21.6KV, carries out electrostatic spinning；Fiber, a diameter of 4 μm of fiber are obtained in receiver board.
The compatibility of graphene polyester fiber prepared by the embodiment of the present invention 3, graphene and dacron polyester is good, 85% silicon
The graphene particles of acid gel cladding are evenly distributed in the cortex of fiber, improve the antibiotic property of fiber and the function of deodorization；This
The graphene polyester fiber prepared is invented, to the antibiotic properties of Escherichia coli up to 99.0%, the antibiotic property to staphylococcus aureus reaches
98.7%；99% is reached to ammonia gas absorption rate, acetic acid adsorption rate reaches 98.5%, 98% is reached to isovaleric acid adsorption rate.
Graphene polyester fiber prepared by the embodiment of the present invention 3, the graphene particles content of silicic acid gel cladding is 2.5%；
The electrical conductivity of fiber is up to 3.5 × 10-7S/cm, fracture strength is 5.5cN/dtex.
Unless otherwise indicated, the percentage employed in the present invention is percetage by weight, ratio of the present invention,
For mass ratio.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., should be included in the present invention's
Within protection domain.
Claims (10)
1. a kind of graphene polyester fiber with deodorization functions, it is characterised in that：The fiber, to the antibiotic property of Escherichia coli
Up to 98.5-99.0%, the antibiotic property to staphylococcus aureus reaches 98.0-98.7%；98-99%, acetic acid are reached to ammonia gas absorption rate
Adsorption rate reaches 97.7-98.5%, and 96.5-98% is reached to isovaleric acid adsorption rate.
2. a kind of graphene polyester fiber with deodorization functions according to claim 1, it is characterised in that：The fibre
Dimension, the graphene particles content of silicic acid gel cladding is 1.3-2.5%；The graphene particles of 80-85% silicic acid gel cladding are equal
The even cortex for being distributed in fiber.
3. a kind of preparation method of the graphene polyester fiber with deodorization functions, it is characterised in that：The preparation method includes
Prepare Graphene powder dispersion liquid, silicic acid gel coated graphite alkene, prepare silicic acid gel coated graphite alkene particle dispersion, terylene
Melting, blending, the spinning of polyester slice.
4. a kind of preparation method of graphene polyester fiber with deodorization functions according to claim 3, its feature exists
In：The melting of dacron polyester section, the section of raw material dacron polyester is dried to water content in below 40ppm, then
At 268-270 DEG C, dacron polyester section is melted；Obtain dacron polyester fused mass.
5. a kind of preparation method of graphene polyester fiber with deodorization functions according to claim 4, its feature exists
In：The raw material dacron polyester section, melt index is 108-110g/10min, and relative molecular mass is 21000-22000.
6. a kind of preparation method of graphene polyester fiber with deodorization functions according to claim 4, its feature exists
In：The blending, by silicic acid gel coated graphite alkene particle dispersion and dacron polyester fused mass, in 40-45S-1Shearing speed
It is uniformly mixed under degree, mixing temperature is 270 DEG C；Until when the dynamic viscosity of blended liquid increases to 560-562Pas, obtaining
To spinning solution, spinning head is inputted；
In the silicic acid gel coated graphite alkene particle dispersion, silicic acid gel coated graphite alkene particle and NMP mass ratio
For 1:20-22.
7. a kind of preparation method of graphene polyester fiber with deodorization functions according to claim 6, its feature exists
In：The cut into slices mass ratio of melt extrudate of the silicic acid gel coated graphite alkene particle and dacron polyester is 1.3-2.5:100.
8. a kind of preparation method of graphene polyester fiber with deodorization functions according to claim 3, its feature exists
In：The spinning, the aperture of spinning head is 0.7-0.8mm, and the distance between spinning head and receiver board are 15-18cm, spinning electricity
Press as 20-22KV.
9. a kind of preparation method of graphene polyester fiber with deodorization functions according to claim 3, its feature exists
In：The preparation Graphene powder dispersion liquid, graphene powder is dispersed in the aqueous solution containing sodium metasilicate and sodium metasilicate, plus
Enter 5-8% dispersants, after stirring, obtain Graphene powder dispersion liquid；
The aqueous solution of the sodium metasilicate and sodium metasilicate, the content of sodium metasilicate is 22.5-23.0%, and sodium metasilicate content is 20-
21%；
The mass ratio of the graphene powder and the aqueous solution containing sodium metasilicate and sodium metasilicate is 15-17:100；
The dispersant, including PCA cocounut oil acyl arginine ethyl esters salt, cocounut oil acyl apple amino acid sodium, lauroyl hydrolysis silk sodium,
Sodium bacillus subtilis lipopeptide, mass ratio is 5:2:3:1.
10. a kind of preparation method of graphene polyester fiber with deodorization functions according to claim 3, its feature exists
In：The silicic acid gel coated graphite alkene, by Graphene powder dispersion liquid, is added dropwise watery hydrochloric acid, drop rate is 0.9-1.2ml/
S, stir speed (S.S.) control is 1300-1400r/min, when having gel to occur, and the drop rate of regulation watery hydrochloric acid is 0.04-
0.06ml/s, stirring is adjusted to intermittent stirring, until gel is not regenerated, filters, dries, obtain 70-80nm silicic acid gel
Coated graphite alkene particle.
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