CN107119342A - A kind of superelevation conductive graphene polyester fiber and preparation method thereof - Google Patents
A kind of superelevation conductive graphene polyester fiber and preparation method thereof Download PDFInfo
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- CN107119342A CN107119342A CN201710412907.2A CN201710412907A CN107119342A CN 107119342 A CN107119342 A CN 107119342A CN 201710412907 A CN201710412907 A CN 201710412907A CN 107119342 A CN107119342 A CN 107119342A
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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
- 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
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Abstract
The present invention provides a kind of superelevation conductive graphene polyester fiber, the fiber, and electrical conductivity is 7.8 8.5 × 10‑7S/cm；Fracture strength is 5.7 6.0cN/dtex；The present invention also provides a kind of preparation method of superelevation conductive graphene polyester fiber, the preparation method, including prepares Graphene powder dispersion liquid；The preparation Graphene powder dispersion liquid, graphene powder is dispersed in the aqueous solution containing sodium metasilicate and sodium metasilicate, adds 4 7% dispersants, and regulation temperature is 45 50 DEG C, after stirring 30 minutes, obtains Graphene powder dispersion liquid.Graphene polyester fiber prepared by the present invention, the graphene particles content of silicic acid gel cladding is 3 8.5%, fiber regain is high, the electrical conductivity of fiber is high, the preparation method of graphene polyester fiber of the present invention, the compatibility of graphene and dacron polyester is good, and the graphene particles of silicic acid gel cladding are uniformly distributed in fibrous finished product.
Description
Technical field
The present invention relates to a kind of polyester fiber, particularly a kind of superelevation conductive graphene polyester fiber and preparation method thereof,
Belong to textile technology field.
Background technology
Terylene is an important kind in synthetic fibers, is the trade name of China's polyester fiber.It is to benzene with essence
Dioctyl phthalate (PTA) or dimethyl terephthalate (DMT) (DMT) and ethylene glycol (EG) are raw material through esterification or ester exchange and polycondensation reaction
Prepared by fiber-forming polymer-polyethylene terephthalate (PET), through spinning and the fiber that is made of post processing.Terylene is
World wide production is maximum, and most widely used synthetic fibers kind, terylene accounts for more than the 60% of world's synthetic fibers yield.
Graphene has very high electric conductivity, is the material of resistivity minimum in the world, graphene can be added to fibre
Tie up in material, improve the electric conductivity of fiber；Graphene also has antibiotic property, anti-flammability and radiation resistance, can assign fiber system
The different function of product.
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.
Patent CN106350894A discloses a kind of graphene polyester monofilament, its by graphene,Modified compatilizer and silane Coupling agent KH560 carries out being mixed with pasty slurry, using the method for double-screw melt blending, by pasty slurry and polyester slice
Carrying out melting, blending prepares graphene functional agglomerate at a high speed, then prepares graphene terylene list by melt-spinning technology
The compatibility of silk, raising graphene and polyester slice, the fiber of preparation, with absorption, antibacterial and far infrared transmission health care work(
Can, high intensity and high tenacity, protectiving ultraviolet, anlistatig function.
Prior art prepare graphene polyester fiber presence deficiency be：
（1）In order to improve the compatibility of graphene and polyester polymers, take and first graphene is modified, or by graphene
The method mixed with modified compatilizer is modified to graphene, modified graphene, although can improve the scattered of graphene
Property, hydrophily and the compatibility with polymer, but simultaneously because the access of oxygen atom, destroys the big pi bond of delocalization, thus lose
Graphene original high electronic conduction ability so that the electric conductivity of graphene is greatly reduced.
（2）Add polyester fiber in graphene be it is granular, graphene be distributed in polyester fiber be it is discontinuous,
And the regain of polyester fiber in itself is relatively low, only 0.5%, cause the electric conductivity of graphene fiber poor.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of superelevation conductive graphene polyester fiber and preparation method thereof,
To realize following goal of the invention：
（1）Improve the compatibility of graphene and dacron polyester；
（2）The graphene polyester fiber of preparation, in the case of proof strength, conducts electricity very well.
In order to realize foregoing invention purpose, the technical solution adopted by the present invention is：
A kind of superelevation conductive graphene polyester fiber and preparation method thereof
Comprise the following steps：
（1）Prepare Graphene powder dispersion liquid
Graphene powder is dispersed in the aqueous solution containing sodium metasilicate and sodium metasilicate, 4-7% dispersants are added, regulation temperature is
45-50 DEG C, after being stirred 30 minutes under 1200-1300r/min, graphene powder is uniformly dispersed in sodium metasilicate and sodium metasilicate
The aqueous solution in, obtain Graphene powder dispersion liquid.
The aqueous solution of the sodium metasilicate and sodium metasilicate, the content of sodium metasilicate is 25.2-27.5%, and sodium metasilicate content is
23.5-24.7%。
The mass ratio of the graphene powder and the aqueous solution containing sodium metasilicate and sodium metasilicate is 19-22:100；
The dispersant, including PVP-K30, PCA cocounut oil acyl arginine ethyl ester salt, sodium bacillus subtilis lipopeptide, the mass ratio of three
For 5:2:1.
The graphene powder, particle diameter is 0.6-1.0 μm.
The addition of dispersant, it is ensured that in aqueous, scattered is uniform for graphene powder, suspensibility is high, is difficult to sink
Drop.
（2）Silicic acid gel coated graphite alkene
By Graphene powder dispersion liquid, 3-5% polyglycereol -3- beeswaxs acid esters and 4-6% lauroyl hydrolysis silk sodium, stirring are added
Uniformly, watery hydrochloric acid is added dropwise, drop rate is 0.5-1ml/s, and stir speed (S.S.) control is 900-1000r/min, gel appearance to be had
When, the drop rate of regulation watery hydrochloric acid is 0.05-0.07ml/s, and stirring is adjusted to intermittent stirring, stirred under 500-600 r/min
5min is mixed, stops 1min, as 1 cycle, DIRECT GEL is not regenerated, powder graphenic surface, which is coated one layer of silicic acid, to coagulate
Glue, after filtering, 70-75 DEG C of drying is warming up to 2-3 DEG C/min speed, dries to moisture and is less than 0.3-0.5%, obtain
1-2 microns of 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%.
Polyglycereol -3- beeswaxs acid esters, lauroyl hydrolyze the addition of silk sodium, promote silicic acid gel to be coated on graphene powder
On, it is easy to form the graphene particles of silicic acid gel cladding；
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 uniform
It 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 1:10-15.
（4）Heat dacron polyester section
Dacron polyester section is dried, the water content in dried dacron polyester section sends into copper material in below 40ppm
Pipe, is electrically heated to dacron polyester section, and heating-up temperature is 268-270 DEG C.
（5）Blending
Silicic acid gel coated graphite alkene particle dispersion is passed through copper expects pipe, is stirred under 950-1000r/min speed
It is well mixed, obtain spinning blended liquid.
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
Copper expects pipe is placed with horizontal plane, upper end connection high voltage power supply, copper expects pipe lower end connection spinning head, the aperture of spinning head
For 0.7-0.8mm, receiver board is horizontally disposed with, positioned at the underface of spinning head, and the distance between spinning head and receiver board are 15-
18cm, spinning voltage is 17-19KV.
By spinning blended liquid feeding spinning head carry out spinning, side-blown air cooling, oil, drawing-off, winding, prepare graphene gather
Ester fiber.
Specific process parameter is：Spinning the temperature inside the box is 265-270 DEG C, and the temperature of side-blown wind system is 18-20 DEG C, humidity
For 65-70%, wind speed is 0.6-0.7m/s；Oil tanker rotating speed is 20r/min, and the temperature to roller one is 95-100 DEG C, first time drawing-off
Drafting multiple be 1.5-1.7 times, be 120-124 DEG C to the temperature of roller two, the drafting multiple of second of drawing-off is 2.4-2.6
Times, the temperature to roller three is 137-140 DEG C, and the multiple of third time drawing-off is 1.9-2.2 times；Winding speed be 1000-1200 meters/
Minute.
The present invention prepares silicic acid gel coated graphite alkene particle dispersion, then the dispersion liquid and dacron polyester is cut into slices molten
Melt extrudate to be mixed, the graphene and terylene melt mixed of silicic acid gel cladding can be made uniform, graphene is greatly improved
With the compatibility of terylene polymer, graphene is uniformly distributed in fibrous finished product.
The present invention uses the mass ratio of specific silicic acid gel coated graphite alkene technique, control graphene and silicic acid gel
Example, addition, the specific spinning winding process conditions of control graphene and silicic acid gel in the fibre, can cause fiber to have
There is higher regain so that fiber is in the case where ensureing that fibre strength is not reduced, with higher electric conductivity.
By adopting the above-described technical solution, the present invention reach have the technical effect that：
（1）Graphene polyester fiber prepared by the present invention, the graphene particles content of silicic acid gel cladding is 3-8.5%, wherein stone
Black alkene granule content is 1-3.5%；Fiber regain is 11-13.5%, and the electrical conductivity of fiber reaches 7.8-8.5 × 10-7S/cm, fracture
Intensity is 5.7-6.0cN/dtex.
（2）The compatibility of the preparation method of graphene polyester fiber of the present invention, graphene and dacron polyester is good, silicic acid
The graphene particles of gel cladding are uniformly distributed in fibrous finished product.
（3）Graphene polyester fiber prepared by the present invention, 94-95% is reached to ammonia gas absorption rate, and acetic acid adsorption rate reaches
92-93%, 93.5-94.1% is reached to isovaleric acid adsorption rate.
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 superelevation conductive graphene polyester fiber of embodiment 1 and preparation method thereof
Comprise the following steps：
（1）Prepare Graphene powder dispersion liquid
Graphene powder is dispersed in the aqueous solution containing sodium metasilicate and sodium metasilicate, 4% dispersant is added, regulation temperature is 45
DEG C, after being stirred 30 minutes under 1200r/min, graphene powder is uniformly dispersed in the aqueous solution of sodium metasilicate and sodium metasilicate
In, obtain Graphene powder dispersion liquid.
The aqueous solution of the sodium metasilicate and sodium metasilicate, the content of sodium metasilicate is 25.2%, and sodium metasilicate content is 23.5%.
The mass ratio of the graphene powder and the aqueous solution containing sodium metasilicate and sodium metasilicate is 22:100；
The dispersant, including PVP-K30, PCA cocounut oil acyl arginine ethyl ester salt, sodium bacillus subtilis lipopeptide, the mass ratio of three
For 5:2:1.
The graphene powder, particle diameter is 0.6 μm.
（2）Silicic acid gel coated graphite alkene
By Graphene powder dispersion liquid, 3% polyglycereol -3- beeswaxs acid esters and 4% lauroyl hydrolysis silk sodium are added, stirring is equal
It is even, watery hydrochloric acid is added dropwise, drop rate is 0.5ml/s, and stir speed (S.S.) control is 900r/min, when having gel to occur, and is adjusted dilute
The drop rate of hydrochloric acid is 0.05ml/s, and stirring is adjusted to intermittent stirring, and 5min is stirred under 500 r/min, stops 1min, with
This is 1 cycle, and DIRECT GEL is not regenerated, powder graphenic surface one layer of silicic acid gel of cladding, after filtering, with 2 DEG C/
Min speed is warming up to 70 DEG C of dryings, dries to moisture and is less than 0.3%, obtains 1-2 microns of 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%.
（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 1:10.
（4）Dacron polyester section melting extrusion
Dacron polyester section is dried, the water content in dried dacron polyester section is in below 40ppm；It is then fed into
Double screw extruder, an area of double screw extruder, 2nd area, 3rd area, 4th area, the temperature in 5th area are respectively 270 DEG C, 275 DEG C,
272 DEG C, 268 DEG C, 265 DEG C, obtain dacron polyester section melt extrudate.
（5）Blending
Stainless steel, dacron polyester section melt extrudate and silicic acid gel coated graphite alkene particle dispersion are set in manifold
The stainless steel is passed through simultaneously, is stirred under 700r/min speed well mixed, spinning blended liquid is obtained.
The cut into slices mass ratio of melt extrudate of the silicic acid gel coated graphite alkene particle and dacron polyester is 3.7:
100。
（6）Spinning, winding
By spinning blended liquid feeding spinning head carry out spinning, side-blown air cooling, oil, drawing-off, winding, prepare graphene polyester fine
Dimension.
Specific process parameter is：Spinning the temperature inside the box is 265 DEG C, and the temperature of side-blown wind system is 18 DEG C, and humidity is 65%,
Wind speed is 0.6m/s；Oil tanker rotating speed is 20r/min, and the temperature to roller one is 95 DEG C, and the drafting multiple of first time drawing-off is 1.5
Times, the temperature to roller two is 120 DEG C, and the drafting multiple of second of drawing-off is 2.4 times, and the temperature to roller three is 137 DEG C, third time
The multiple of drawing-off is 1.9 times；Winding speed is 1000 ms/min.
Graphene polyester fiber prepared by the embodiment of the present invention 1, the graphene particles content of silicic acid gel cladding is 3.7%,
Wherein graphene particles content is 1.5%；Fiber regain is 11%, and sucting wet air permeability is good, and the electrical conductivity of fiber is up to 7.8 × 10- 7S/cm, fracture strength is 5.7cN/dtex, 94% is reached to ammonia gas absorption rate, acetic acid adsorption rate reaches 92%, and isovaleric acid is adsorbed
Rate reaches 93.5%.
A kind of superelevation conductive graphene polyester fiber of embodiment 2 and preparation method thereof
Comprise the following steps：
（1）Prepare Graphene powder dispersion liquid
Graphene powder is dispersed in the aqueous solution containing sodium metasilicate and sodium metasilicate, 7% dispersant is added, regulation temperature is 50
DEG C, after being stirred 30 minutes under 1300r/min, graphene powder is uniformly dispersed in the aqueous solution of sodium metasilicate and sodium metasilicate
In, obtain Graphene powder dispersion liquid.
The aqueous solution of the sodium metasilicate and sodium metasilicate, the content of sodium metasilicate is 27.5%, and sodium metasilicate content is 24.7%.
The mass ratio of the graphene powder and the aqueous solution containing sodium metasilicate and sodium metasilicate is 19:100；
The dispersant, including PVP-K30, PCA cocounut oil acyl arginine ethyl ester salt, sodium bacillus subtilis lipopeptide, the mass ratio of three
For 5:2:1.
The graphene powder, particle diameter is 1.0 μm.
（2）Silicic acid gel coated graphite alkene
By Graphene powder dispersion liquid, 5% polyglycereol -3- beeswaxs acid esters and 6% lauroyl hydrolysis silk sodium are added, stirring is equal
It is even, watery hydrochloric acid is added dropwise, drop rate is 1ml/s, and stir speed (S.S.) control is 1000r/min, when having gel to occur, and adjusts dilute salt
The drop rate of acid is 0.07ml/s, and stirring is adjusted to intermittent stirring, and 5min is stirred under 600 r/min, stops 1min, with this
For 1 cycle, DIRECT GEL is not regenerated, and powder graphenic surface is coated one layer of silicic acid gel, after filtering, with 3 DEG C/min
Speed be warming up to 75 DEG C of dryings, dry to moisture and be less than 0.5%, obtain 1-2 microns of silicic acid gel coated graphite alkene
Grain.
Sodium metasilicate and sodium metasilicate generate silicic acid gel in acid condition,
The watery hydrochloric acid, concentration is 8%.
（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: 15.
（4）Dacron polyester section melting extrusion
Dacron polyester section is dried, the water content in dried dacron polyester section is in below 40ppm；It is then fed into
Double screw extruder, an area of double screw extruder, 2nd area, 3rd area, 4th area, the temperature in 5th area are respectively 270 DEG C, 275 DEG C,
272 DEG C, 268 DEG C, 265 DEG C, obtain dacron polyester section melt extrudate.
（5）Blending
Stainless steel, dacron polyester section melt extrudate and silicic acid gel coated graphite alkene particle dispersion are set in manifold
The stainless steel is passed through simultaneously, is stirred under 900r/min speed well mixed, spinning blended liquid is obtained.
The cut into slices mass ratio of melt extrudate of the silicic acid gel coated graphite alkene particle and dacron polyester is 8.5:
100。
（6）Spinning, winding
By spinning blended liquid feeding spinning head carry out spinning, side-blown air cooling, oil, drawing-off, winding, prepare graphene polyester fine
Dimension.
Specific process parameter is：Spinning the temperature inside the box is 270 DEG C, and the temperature of side-blown wind system is 20 DEG C, and humidity is 70%,
Wind speed is 0.7m/s；Oil tanker rotating speed is 20r/min, and the temperature to roller one is 100 DEG C, and the drafting multiple of first time drawing-off is 1.7
Times, the temperature to roller two is 124 DEG C, and the drafting multiple of second of drawing-off is 2.6 times, and the temperature to roller three is 140 DEG C, third time
The multiple of drawing-off is 2.2 times；Winding speed is 1200 ms/min.
Graphene polyester fiber prepared by the embodiment of the present invention 2, the graphene particles content of silicic acid gel cladding is 8.5%；
Wherein graphene particles content is 3.5%, and fiber regain is 13.5%, and sucting wet air permeability is good, the electrical conductivity of fiber up to 8.0 ×
10-7S/cm, fracture strength is 5.8cN/dtex, 94.7% is reached to ammonia gas absorption rate, acetic acid adsorption rate reaches 92.6%, to isoamyl
Sour adsorption rate reaches 93.8%.
A kind of superelevation conductive graphene polyester fiber of embodiment 3 and preparation method thereof
Comprise the following steps：
（1）Prepare Graphene powder dispersion liquid
Graphene powder is dispersed in the aqueous solution containing sodium metasilicate and sodium metasilicate, 6.5% dispersant is added, regulation temperature is
47 DEG C, after being stirred 30 minutes under 1300r/min, graphene powder is uniformly dispersed in the aqueous solution of sodium metasilicate and sodium metasilicate
In, obtain Graphene powder dispersion liquid.
The aqueous solution of the sodium metasilicate and sodium metasilicate, the content of sodium metasilicate is 26.5%, and sodium metasilicate content is 24.0%.
The mass ratio of the graphene powder and the aqueous solution containing sodium metasilicate and sodium metasilicate is 20:100；
The dispersant, including PVP-K30, PCA cocounut oil acyl arginine ethyl ester salt, sodium bacillus subtilis lipopeptide, the mass ratio of three
For 5:2:1.
The graphene powder, particle diameter is 0.8 μm.
（2）Silicic acid gel coated graphite alkene
By Graphene powder dispersion liquid, 4.2% polyglycereol -3- beeswaxs acid esters and 5.3% lauroyl hydrolysis silk sodium, stirring are added
Uniformly, watery hydrochloric acid is added dropwise, drop rate is 0.7ml/s, and stir speed (S.S.) control is 900r/min, when having gel to occur, regulation
The drop rate of watery hydrochloric acid is 0.06ml/s, and stirring is adjusted to intermittent stirring, and 5min is stirred under 500r/min, stops 1min,
As 1 cycle, DIRECT GEL is not regenerated, and powder graphenic surface is coated one layer of silicic acid gel, after filtering, with 2-3
DEG C/min speed is warming up to 75 DEG C of dryings, dry to moisture and be less than 0.3%, the silicic acid gel for obtaining 1-2 micron coats stone
Black alkene particle.
Sodium metasilicate and sodium metasilicate generate silicic acid gel in acid condition,
The watery hydrochloric acid, concentration is 8%.
（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 1:12.
（4）Dacron polyester section melting extrusion
Dacron polyester section is dried, the water content in dried dacron polyester section is in below 40ppm；It is then fed into
Double screw extruder, an area of double screw extruder, 2nd area, 3rd area, 4th area, the temperature in 5th area are respectively 270 DEG C, 275 DEG C,
272 DEG C, 268 DEG C, 265 DEG C, obtain dacron polyester section melt extrudate.
（5）Blending
Stainless steel, dacron polyester section melt extrudate and silicic acid gel coated graphite alkene particle dispersion are set in manifold
The stainless steel is passed through simultaneously, is stirred under 900r/min speed well mixed, spinning blended liquid is obtained.
The cut into slices mass ratio of melt extrudate of the silicic acid gel coated graphite alkene particle and dacron polyester is 5.7:
100。
（6）Spinning, winding
By spinning blended liquid feeding spinning head carry out spinning, side-blown air cooling, oil, drawing-off, winding, prepare graphene polyester fine
Dimension.
Specific process parameter is：Spinning the temperature inside the box is 268 DEG C, and the temperature of side-blown wind system is 20 DEG C, and humidity is 70%,
Wind speed is 0.7m/s；Oil tanker rotating speed is 20r/min, and the temperature to roller one is 100 DEG C, and the drafting multiple of first time drawing-off is 1.5
Times, the temperature to roller two is 122 DEG C, and the drafting multiple of second of drawing-off is 2.5 times, and the temperature to roller three is 140 DEG C, third time
The multiple of drawing-off is 2.1 times；Winding speed is 1100 ms/min.
Graphene polyester fiber prepared by the embodiment of the present invention 3, the graphene particles content of silicic acid gel cladding is 5.7%；
Wherein graphene particles content is 2.5%, and fiber regain is 13.0%, and sucting wet air permeability is good, the electrical conductivity of fiber up to 8.5 ×
10-7S/cm, fracture strength is 6.0cN/dtex, 95% is reached to ammonia gas absorption rate, acetic acid adsorption rate reaches 93%, and isovaleric acid is inhaled
Attached rate reaches 94.1%.
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 superelevation conductive graphene polyester fiber, it is characterised in that：The fiber, electrical conductivity is 7.8-8.5 × 10-7S/
cm；Fracture strength is 5.7-6.0cN/dtex.
2. a kind of superelevation conductive graphene polyester fiber according to claim 1, it is characterised in that：The fiber, silicic acid
The graphene content of gel cladding is 3-8.5%, and wherein graphene particles content is 1-3.5%.
3. a kind of preparation method of superelevation conductive graphene polyester fiber, it is characterised in that：The preparation method, including prepare stone
Black alkene powder dispersion；The preparation Graphene powder dispersion liquid, graphene powder is dispersed in containing sodium metasilicate and sodium metasilicate
The aqueous solution in, add 4-7% dispersants, regulation temperature be 45-50 DEG C, stirring 30 minutes after, obtain graphene powder disperse
Liquid.
4. a kind of preparation method of superelevation conductive graphene polyester fiber according to claim 3, it is characterised in that：It is described
The aqueous solution of sodium metasilicate and sodium metasilicate, the content of sodium metasilicate is 25.2-27.5%, and sodium metasilicate content is 23.5-24.7%；
The mass ratio of the graphene powder and the aqueous solution containing sodium metasilicate and sodium metasilicate is 19-22:100；
The dispersant, including PVP-K30, PCA cocounut oil acyl arginine ethyl ester salt, sodium bacillus subtilis lipopeptide, the mass ratio of three
For 5:2:1；
The graphene powder, particle diameter is 0.6-1.0 μm.
5. a kind of preparation method of superelevation conductive graphene polyester fiber according to claim 3, it is characterised in that：It is described
Preparation method, in addition to silicic acid gel coated graphite alkene；The silicic acid gel coated graphite alkene,
By Graphene powder dispersion liquid, 3-5% polyglycereol -3- beeswaxs acid esters and 4-6% lauroyl hydrolysis silk sodium, stirring are added
Uniformly, watery hydrochloric acid is added dropwise, drop rate is 0.5-1ml/s, and stir speed (S.S.) control is 900-1000r/min, gel appearance to be had
When, the drop rate of regulation watery hydrochloric acid is 0.05-0.07ml/s, and stirring is adjusted to intermittent stirring, and DIRECT GEL is not regenerated, mistake
After filter, dry, obtain 1-2 microns of silicic acid gel coated graphite alkene particle.
6. a kind of preparation method of superelevation conductive graphene polyester fiber according to claim 5, it is characterised in that：It is described
Intermittent stirring, stirs 5min under 500-600 r/min, stops 1min, as 1 cycle.
7. a kind of preparation method of superelevation conductive graphene polyester fiber according to claim 3, it is characterised in that：It is described
Preparation method, in addition to prepare silicic acid gel coated graphite alkene particle dispersion；It is described to prepare silicic acid gel coated graphite alkene
Grain dispersion liquid, silicic acid gel coated graphite alkene particle is dispersed in NMP,
The mass ratio of the silicic acid gel coated graphite alkene particle and NMP is 1:10-15.
8. a kind of preparation method of superelevation conductive graphene polyester fiber according to claim 7, it is characterised in that：It is described
Preparation method, in addition to dacron polyester section melting extrusion；The melting extrusion, by an area of double screw extruder, 2nd area, three
Area, 4th area, the temperature in 5th area are respectively set to 270 DEG C, 275 DEG C, 272 DEG C, 268 DEG C, 265 DEG C, obtain dacron polyester section molten
Melt extrudate.
9. a kind of preparation method of superelevation conductive graphene polyester fiber according to claim 8, it is characterised in that：It is described
Preparation method, in addition to blending, silicic acid gel coated graphite alkene particle and the mass ratio of dacron polyester section melt extrudate
For 3-8.5:100.
10. a kind of preparation method of superelevation conductive graphene polyester fiber according to claim 3, it is characterised in that：Institute
State preparation method, in addition to spinning, winding；The spinning, winding, process conditions are：
Spinning the temperature inside the box is 265-270 DEG C, and the temperature of side-blown wind system is 18-20 DEG C, and humidity is 65-70%, and wind speed is 0.6-
0.7m/s；Oil tanker rotating speed is 20r/min, and the temperature to roller one is 95-100 DEG C, and the drafting multiple of first time drawing-off is 1.5-1.7
Times, the temperature to roller two is 120-124 DEG C, and the drafting multiple of second of drawing-off is 2.4-2.6 times, and the temperature to roller three is 137-
140 DEG C, the multiple of third time drawing-off is 1.9-2.2 times；Winding speed is 1000-1200 ms/min.
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| CN108149337A (en) * | 2017-12-05 | 2018-06-12 | 上海帕吉索纳米技术有限公司 | A kind of graphene Jinlun-6 fireproof fiber and preparation method thereof |
| CN108277548A (en) * | 2018-01-16 | 2018-07-13 | 上海帕吉索纳米技术有限公司 | A kind of graphene terylene fire resistance fibre and preparation method thereof |
| CN108330555A (en) * | 2018-02-10 | 2018-07-27 | 中科纺织研究院（青岛）有限公司 | A kind of stone needle polyester fiber and preparation method thereof |
| CN108677524A (en) * | 2018-05-02 | 2018-10-19 | 陕西金瑞烯科技发展有限公司 | A kind of preparation method of graphene polyester fiber |
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| CN111690283A (en) * | 2020-05-18 | 2020-09-22 | 上海帕吉索纳米技术有限公司 | High-concentration salt-spray-resistant graphene slurry and preparation method thereof |
| CN113622047A (en) * | 2021-04-23 | 2021-11-09 | 高碑店市隆泰丰博石墨烯有限公司 | Graphene-based polyester fiber capable of absorbing moisture, releasing sweat and dissipating heat rapidly and preparation method thereof |
| CN113622047B (en) * | 2021-04-23 | 2023-10-13 | 高碑店市隆泰丰博石墨烯有限公司 | Graphene-based polyester fiber capable of absorbing moisture and discharging sweat and rapidly dissipating heat and preparation method thereof |
| CN115787128A (en) * | 2022-12-28 | 2023-03-14 | 江苏垶恒复合材料有限公司 | Antibacterial polyester staple fiber |
| CN115787128B (en) * | 2022-12-28 | 2024-04-30 | 江苏垶恒复合材料有限公司 | Antibacterial polyester staple fiber |
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