CN107740201A - A kind of negative-oxygen ion health function polyester fiber and preparation method thereof - Google Patents
A kind of negative-oxygen ion health function polyester fiber and preparation method thereof Download PDFInfo
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- CN107740201A CN107740201A CN201711067257.9A CN201711067257A CN107740201A CN 107740201 A CN107740201 A CN 107740201A CN 201711067257 A CN201711067257 A CN 201711067257A CN 107740201 A CN107740201 A CN 107740201A
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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
- 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
- D01D5/12—Stretch-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
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- Chemical & Material Sciences (AREA)
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- Artificial Filaments (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The present invention provides a kind of negative-oxygen ion health function polyester fiber, the Oxyanionic polyester fibre fracture strength >=6.35cN/dtex, and elongation at break is 25.2 27.8%, dry-hot shrinkage≤8.5%, crimp percent≤3.5%, regain >=1.5%.The negative-oxygen ion health function polyester fiber anion-generating capacity >=1850/cm3.The present invention also provides a kind of preparation method of negative-oxygen ion health function polyester fiber, and methods described includes the preparation of tourmaline nano powder, the film preparation of tourmaline cellulose function, the preparation of tourmaline master batch, modified terylene chips preparation process；The present invention significantly improves the ability of tourmaline releasing negative oxygen ion, while can greatly improve the spinnability of polyester fiber by using the hygroscopic specific process of polyester fiber, increase fibrous inside tourmaline particle and hydrone contact probability is improved.
Description
Technical field
The present invention relates to a kind of polyester fiber and preparation method thereof, particularly a kind of negative-oxygen ion health function polyester fiber
And preparation method thereof.
Background technology
Negative aeroion is also negative oxygen ion, refers to obtain excess electron and negatively charged oxygen ion.It is air
In oxygen molecule combine free electron and formed.The electric discharge of nature（Lightning）Phenomenon, photoelectric effect, fountain, waterfall etc.
Surrounding air can be ionized, form negative oxygen ion.Negative oxygen ion enjoys " tie up his oxygen ", " air vitamin ", " long in medical field
The laudatory title such as Shou Su ", " air vitamin ".
China is commonly called as having many uses for " dacron " terylene, is largely used to manufacture clothing fabric and industrial product.Terylene has
There is extremely excellent setting performance.Spun polyester thread or fabric generated after setting it is flat very, fluffy form or rivel etc., using
It is middle to be washed through multiple, remain to prolonged constant.For polyester fiber as most widely used chemical fibre, it has good fibre forming property
Energy and mechanical performance, intensity is high, fast light, heat-resisting and resistance to acids and bases is good, has good processability and Yi Fangxing, pure can spin, mixes
Spin and interweave.But polyester fiber is combined with hygroscopicity while increases the correlation function fiber of the releasability of negative oxygen ion
Have no report.
Profiled filament can change the elasticity of fiber, fiber is had special gloss and bulkiness, improve hygroscopicity, and change
The obvolvent performance and the performance such as covering power and anti pilling, minimizing electrostatic of kind fiber.As triangular fibre has flash effect；Five
Lobed fiber has gloss as fertile light, and feel is good, and anti pilling；Doughnut is because there is cavity inside, and density is small, warmth retention property
It is good, there is certain hygroscopicity, still, doughnut easily causes fluffing, fiber fibrillation etc. and asked during post processing
Topic, with environmental requirement more and more higher of the consumer to clothes, will be modified in the preparation link of chemical fibre especially terylene, from
And chemical treatment of the polyester fiber in fabric preparation process can be reduced, it appears more and more important.
Number of patent application is 2112100534033, and patent name provides for Multifunctional hollow polyester fiber production method
A kind of hollow patent, has certain moisture-absorption characteristics, its main preparation process is complex, and industrialization is difficult to, simultaneously
For doughnut in preparation process and follow-up spinning process, fiber easily produces burr and electrostatic, produces broken end and flyings, influences
Product quality.
Number of patent application is 2013102627501, and patent name is hydrophilic hygroscopic and its preparation side
Method, it mainly adds partly soluble additive materials in polyester fiber first, finally in last handling process, by adding
Enter the method for acid or alkali, dissolve the additive of addition, it is this so as to change the purpose that the microstructure of fiber reaches moisture absorption
Method, easily causes the reduction of polyester fiber strength, while increases the difficulty of post processing, pollutes environment.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of negative-oxygen ion health function polyester fiber and its preparation side
Method, to realize following goal of the invention：
1st, contain appropriate tourmaline in the polyester fiber prepared, make the negative-oxygen ion health function polyester fiber of preparation have
The function of releasing negative oxygen ion and transmitting infrared ray；
2nd, increase fibrous inside tourmaline particle and hydrone contact probability, significantly lift the energy of tourmaline releasing negative oxygen ion
Power；
3rd, suitable terylene spinning hydrophilic polymer is selected, improves the wettability power of the polyester fiber of preparation；
4th, in the case where not changing fiber circular configuration state and keeping fibre strength, anion release enhancers is added, enter one
Step improves the ability of the polyester fiber release anion prepared, while ensures the integrality of the physical arrangement of fiber.
In order to realize above goal of the invention, the present invention is using technical scheme：
A kind of preparation method of negative-oxygen ion health function polyester fiber, comprises the following steps：
（1）It is prepared by tourmaline nano powder：Use nano-level grinder that tourmaline particle is ground into particle diameter between 50-100 nanometers
Tourmaline nano powder；
（2）Tourmaline-cellulose function film preparation：Take cellulose spin dope and step（1）The tourmaline nano powder of preparation, become
Property agent mixing be uniformly dispersed, make thinner into liquid film, then liquid film be put into conventional acid bath, pulled out after 10-20s and fiber is made
Plain film；Cellulose membrane is placed in 0.1-1mol/L sodium hydroxide solution, carbon disulfide is removed, prevents security incident；
Then cellulose is put into baking oven, dries 20-40min at being 90-110 DEG C in temperature, gas stone-cellulose functional membrane is made；
Preferably, the denaturant is JL-V, and Accessories during Binzhou Ju Li Chemical Co., Ltd.s produce；Denaturant can promote cellulose to spin
Silk stock solution fast filming simultaneously increases substantially drying efficiency, and generally the drying time of cellulose functional membrane is 3-5h, is adopted
Drying time is foreshortened into 20-40min with this denaturant, the efficiency of big line production can be increased substantially；
Preferably, moisture≤0.5% after the tourmaline-cellulose functional membrane drying；The reduction of moisture is advantageous to
The crushing of tourmaline-cellulose functional membrane；
Preferably, the quality of the tourmaline nano powder is the 1/10-1/3 of cellulose spin dope quality；
The addition of the denaturant is the 0.5%-1% of cellulose spin dope quality.
（3）It is prepared by tourmaline master batch：By step（2）The tourmaline of preparation-cellulose functional membrane uses grinding after breaing up crushing
Machine is ground to 100-200 nanometers, and tourmaline-cellulose nano powder is made；
The tourmaline of above-mentioned preparation-cellulose nano powder is added in kneading machine together with a certain proportion of terylene chips
Row is kneaded, is granulated, and obtains tourmaline master batch；
Preferably, the temperature of the mixing granulator is 200-270 DEG C；
（4）It is prepared by modified terylene chips：By terylene chips under 265-270 DEG C of molten condition of screw extruder, by step（3）System
Standby tourmaline master batch, polyester improver and negative ion enhancing species are added in the terylene chips of melting, are stirred 30-45min, are filled
It is modified terylene chips to divide well mixed be made；
Preferably, the addition of the tourmaline master batch is calculated as the 0.5-5% of terylene chips gross mass with tourmaline nano powder；
The addition of the polyester improver is 0.05-2%；
The polyester improver is dodecyl sodium sulfate, polyethylene glycol, polypropylene glycol, one kind or several of polytetrahydrofuran diol
Kind；The addition of the polyester improver can significantly improve the moisture pick-up properties and physical property of the polyester fiber of preparation；It is described
Polyester improver is preferably two kinds or two or more；
The negative ion enhancing species are by following percentage（Account for terylene chips quality）Component composition：Titanium acetylacetone 0.5-
1.5%th, titanium dioxide 1-3%, 2- methylpents butyl ester 0.5-2%, it is during addition, anionic additive is various types of according to mass mixing
Uniformly, it is added in nano-level grinder, is ground into the particulate that particle diameter is 50-100 nanometers, after drying, is added under molten condition
Obtain in polyester slice；
（5）Mixed melting：Terylene chips, tourmaline master batch, polyester improver and anion enhancing are added into screw extruder
After agent, melting mixing is uniform, and the heating-up temperature of six function temperature controlled regions is in screw extruder：265-270℃、270-275℃、
270-275℃、275-280℃、280-283℃、283-285℃。
（6）Spinning：Because adding tourmaline master batch, polyester improver and negative ion enhancing species in melt, during spinning
In order to prevent the fracture of burr and fiber, therefore appropriate pump is adjusted for amount, spinning speed, spinning temperature, wind-warm syndrome and wind
Speed, wherein, pump is for amount：650-700g/min, spinning speed：2600-2800m/min, spinning temperature：360-380℃；Wind-warm syndrome：
35-40 DEG C, wind speed：2.0-2.5m/s；
（7）Post processing：After cooling and shaping, polyester fiber is by spinning shaft, using the after-processing technology releived, further to carry
The intensity of high polyester fiber, it is specially：Stretch slot temperature is：45-50℃；Two 60-62 DEG C of stretching-machine temperature；Three stretching-machines
85-93 DEG C of temperature；Draw ratio 3-3.3 speeds of production are 145-155m/min.
Terylene is to be largely used to the textiles such as dress material, various trimming cloth, defence and military particular fabric and other industry
With fibre, such as filtering material, insulating materials, tire cord, conveyer belt；Polyester fiber prepared by the present invention contains electricity
Gas stone, there is negative-oxygen ion health function, can apply to personal clothing, such as body beautifying clothes, brassiere, health care protector, body beautification socks,
Underwear, underpants etc.；
Certainly, the negative-oxygen ion health polyester fiber that prepared by the present invention, is also very suitable for being used for household articles, such as curtain, bed
Bed linens etc., environmental protection, the domestic environment of health can be brought.
By adopting the above-described technical solution, the present invention reach have the technical effect that：
1st, negative ion health function polyester fiber prepared by the present invention, using the post processing work for adding polyester improver and releiving
Skill, while do not change the physical arrangement of fiber, make Oxyanionic polyester fibre fracture strength >=6.35cN/dtex of preparation, break
It is 25.2-27.8% to split elongation, while the polyester fiber prepared has outstanding moisture-absorption characteristics；
2nd, negative ion health function polyester fiber prepared by the present invention, change because addition cellulose nano powder adds polyester simultaneously
Property agent makes during preparing fiber, minimizing electrostatic, dry-hot shrinkage≤8.5%, crimp percent≤3.5%, regain >=1.5%；
3rd, negative ion health function polyester fiber prepared by the present invention, is made of common process and washs semi-gloss plain cloth entirely（Through
Latitude 68D/24F）, use《The detection and evaluation of GBT30128-2013 textile anion generating capacities》Detection, its anion occur
Measure >=1850/cm3；
3rd, the negative ion health function polyester fiber for preparing of the present invention is because hygroscopicity is stronger, therefore in follow-up spinning process not
The accumulation of electric charge can be caused, avoids caused electrostatic interference, the spinnability of fiber is greatly improved, finished product yarn is greatly lowered
The quantity of filoplume, reduce broken end and flyings, improve yarn qualities, reduce resultant yarn cost, improve production efficiency；
4th, contain appropriate tourmaline in polyester fiber prepared by the present invention, make the negative-oxygen ion health function terylene of preparation fine
Function of the dimension with excellent releasing negative oxygen ion and transmitting infrared ray；
5th, the present invention connects by using the hygroscopic approach of polyester fiber, increase fibrous inside tourmaline particle is improved with hydrone
Probability is touched, significantly improves the ability of tourmaline releasing negative oxygen ion；
6th, the present invention improves what is prepared jointly using suitable terylene spinning hydrophilic polymer and addition cellulose nanoparticle is selected
The wettability power of polyester fiber；
7th, fibre structure is not being changed, in the case of keeping fibre strength, addition anion is released during polyester fiber preparation
Reinforcing agent is put, further improves the ability of the polyester fiber release anion prepared, while ensures the complete of the physical arrangement of fiber
Whole property, while it also avoid changing fibre structure in order to improve hygroscopicity in the prior art and cause follow-up spinning process spinnability
Reduction.
Embodiment
The present invention is elaborated with reference to embodiment.Following examples will be helpful to those skilled in the art and enter
One step understands the present invention, but the invention is not limited in any way.It should be pointed out that it will be apparent to those skilled in the art that
Without departing from the inventive concept of the premise, some adjustment and improvement can also be made.These belong to the protection model of the present invention
Enclose.
Embodiment 1
A kind of preparation method of negative-oxygen ion health function polyester fiber, comprises the following steps：
（1）Use nano-level grinder that tourmaline particle is ground into tourmaline nano powder of the particle diameter between 50-100 nanometers；
（2）Take cellulose spin dope and step（1）The tourmaline nano powder of preparation, denaturant JL-V mixing are uniformly dispersed and are made
Tourmaline-cellulose functional membrane：Take cellulose spin dope and step（1）The tourmaline nano powder of preparation, denaturant mixing point
Dissipate uniformly, make thinner into liquid film, then liquid film is put into acid bath, pulled out after 10s and cellulose membrane is made；Cellulose membrane is put
In 0.1mol/L sodium hydroxide solution, carbon disulfide is removed, prevents security incident；Then cellulose is put into baking oven
In, 20min is dried at being 90 DEG C in temperature, gas stone-cellulose functional membrane is made；After tourmaline-cellulose functional membrane drying
Moisture≤0.5%；The reduction of moisture is advantageous to the crushing of tourmaline-cellulose functional membrane；The matter of tourmaline nano powder
Measure as the 1/10 of cellulose spin dope quality；The addition of denaturant is the 0.5% of cellulose spin dope quality.
（3）The preparation of tourmaline master batch：By step（2）The tourmaline of preparation-cellulose functional membrane is broken up after crushing with grinding
Grinding machine is ground to 100-200 nanometers, and tourmaline-cellulose nano powder is made；
The tourmaline of above-mentioned preparation-cellulose nano powder is added in kneading machine together with terylene chips, entered at 200 DEG C
Row is kneaded, is granulated, and obtains tourmaline master batch；
（4）By terylene chips under 265 DEG C of molten conditions of screw extruder, by step（3）Tourmaline master batch, the polyester of preparation change
Property agent and negative ion enhancing species be added in the terylene chips of melting, stir 30min, be sufficiently mixed and uniformly modified dacron is made cuts
Piece；The addition of tourmaline master batch（In terms of tourmaline nano powder）For the 1.5% of terylene chips gross mass；Polyester improver adds
Enter amount for 0.05%；Polyester improver is dodecyl sodium sulfate；
Negative ion enhancing species are by following percentage（Account for terylene chips quality）Component composition：Titanium acetylacetone 0.5%, titanium dioxide
Titanium 3%, 2- methylpents butyl ester 1%, it is during addition, anionic additive is various types of uniform according to mass mixing, it is added to nanometer and grinds
In grinding machine, the particulate that particle diameter is 50-100 nanometers is ground into, after drying, is added under molten condition and obtains in polyester slice；
（5）After terylene chips, tourmaline master batch, polyester improver and negative ion enhancing species being added into screw extruder, melting
Well mixed, the heating-up temperature of six function temperature controlled regions is in screw extruder：265℃、270℃、275℃、275℃、280
℃、283℃。
（6）In order to prevent the fracture of burr and fiber, therefore adjust appropriate pump and supplied for amount and spinning speed, pump
Amount：650g/min, spinning speed：2600m/min, spinning temperature：360℃；Wind-warm syndrome：35-40 DEG C, wind speed：2.0m/s；
（7）After cooling and shaping, polyester fiber is by spinning shaft, using the after-processing technology releived, further to improve terylene
The intensity of fiber, it is specially：Stretch slot temperature is：45℃；Two stretching-machine temperature 60 Cs；Three 85 DEG C of stretching-machine temperature；Draw
Stretch multiple 3；Speed of production is 145m/min.
Embodiment 2
A kind of preparation method of negative-oxygen ion health function polyester fiber, comprises the following steps：
（1）Use nano-level grinder that tourmaline particle is ground into tourmaline nano powder of the particle diameter between 50-100 nanometers；
（2）Take cellulose spin dope and step（1）The tourmaline nano powder of preparation, denaturant JL-V mixing are uniformly dispersed and are made
Tourmaline-cellulose functional membrane：Take cellulose spin dope and step（1）The tourmaline nano powder of preparation, denaturant mixing point
Dissipate uniformly, make thinner into liquid film, then liquid film is put into acid bath, pulled out after 10s and cellulose membrane is made；Cellulose membrane is put
In 0.5mol/L sodium hydroxide solution, carbon disulfide is removed, prevents security incident；Then cellulose is put into baking oven
In, 20min is dried at being 110 DEG C in temperature, gas stone-cellulose functional membrane is made；；
Moisture≤0.5% after tourmaline-cellulose functional membrane drying；The reduction of moisture is advantageous to tourmaline-fiber
The crushing of plain functional membrane；The quality of tourmaline nano powder is the 1/5 of cellulose spin dope quality；
The addition of denaturant is the 0.7% of cellulose spin dope quality.
（3）The preparation of tourmaline master batch：By step（2）The tourmaline of preparation-cellulose functional membrane is broken up after crushing with grinding
Grinding machine is ground to 100-200 nanometers, and tourmaline-cellulose nano powder is made；
The tourmaline of above-mentioned preparation-cellulose nano powder is added in kneading machine together with terylene chips, entered at 200 DEG C
Row is kneaded, is granulated, and obtains tourmaline master batch；
（4）By terylene chips under 270 DEG C of molten conditions of screw extruder, by step（3）Tourmaline master batch, the polyester of preparation change
Property agent and negative ion enhancing species be added in the terylene chips of melting, stir 45min, be sufficiently mixed uniformly that to be made be modified dacron
Section；The addition of tourmaline master batch（In terms of tourmaline nano powder）For the 2% of terylene chips gross mass；Polyester improver adds
Enter amount for 1%；Polyester improver is dodecyl sodium sulfate, the wherein mixture of polyethylene glycol, dodecyl sodium sulfate, poly- second
The addition mass ratio of glycol is 2:1；
Negative ion enhancing species are by following percentage（Account for terylene chips quality）Component composition：Titanium acetylacetone 1.5%, titanium dioxide
Titanium 2%, 2- methylpents butyl ester 1.5%, anionic additive is various types of uniform according to mass mixing, it is added to nano-level grinder
In, the particulate that particle diameter is 50-100 nanometers is ground into, after drying, is added under molten condition and obtains in polyester slice；
（5）After terylene chips, tourmaline master batch, polyester improver and negative ion enhancing species being added into screw extruder, melting
Well mixed, the heating-up temperature of six function temperature controlled regions is in screw extruder： 270℃、270℃、275℃、275℃、283
℃、283℃。
（6）In order to prevent the fracture of burr and fiber, therefore appropriate pump is adjusted for amount, spinning speed, spinning temperature
Degree, wind-warm syndrome and wind speed are specially：Pump is for amount：700g/min, spinning speed：2700m/min, spinning temperature：360℃；Wind-warm syndrome：
37 DEG C, wind speed：2.2m/s；
（7）After cooling and shaping, polyester fiber is by spinning shaft, using the after-processing technology releived, further to improve terylene
The intensity of fiber, it is specially：Stretch slot temperature is：50℃；Two stretching-machine temperature 60 Cs；Three 85 DEG C of stretching-machine temperature；Draw
It is 145m/min to stretch the speed of production of multiple 3.
Embodiment 3
A kind of preparation method of negative-oxygen ion health function polyester fiber, comprises the following steps：
（1）Use nano-level grinder that tourmaline particle is ground into tourmaline nano powder of the particle diameter between 50-100 nanometers；
（2）Take cellulose spin dope and step（1）The tourmaline nano powder of preparation, denaturant JL-V mixing are uniformly dispersed and are made
Tourmaline-cellulose functional membrane：Take cellulose spin dope and step（1）The tourmaline nano powder of preparation, denaturant mixing point
Dissipate uniformly, make thinner into liquid film, then liquid film is put into acid bath, pulled out after 10s and cellulose membrane is made；Cellulose membrane is put
In 0.1mol/L sodium hydroxide solution, carbon disulfide is removed, prevents security incident；Then cellulose is put into baking oven
In, 40min is dried at being 90 DEG C in temperature, gas stone-cellulose functional membrane is made；After tourmaline-cellulose functional membrane drying
Moisture≤0.5%；The reduction of moisture is advantageous to the crushing of tourmaline-cellulose functional membrane；The matter of tourmaline nano powder
Measure as the 1/5 of cellulose spin dope quality；The addition of denaturant is the 1% of cellulose spin dope quality.
（3）The preparation of tourmaline master batch：By step（2）The tourmaline of preparation-cellulose functional membrane is broken up after crushing with grinding
Grinding machine is ground to 100-200 nanometers, and tourmaline-cellulose nano powder is made；
The tourmaline of above-mentioned preparation-cellulose nano powder is added in kneading machine together with terylene chips, entered at 200 DEG C
Row is kneaded, is granulated, and obtains tourmaline master batch；
（4）By terylene chips under 270 DEG C of molten conditions of screw extruder, by step（3）Tourmaline master batch, the polyester of preparation change
Property agent and negative ion enhancing species be added in the terylene chips of melting, stir 45min, be sufficiently mixed uniformly that to be made be modified dacron
Section；The addition of tourmaline master batch（In terms of tourmaline nano powder）For the 5% of terylene chips gross mass；Polyester improver adds
Enter amount for 2%；
Polyester improver is the combination of polypropylene glycol, polytetrahydrofuran diol；The addition of polyester improver can be improved significantly
The moisture pick-up properties and physical property of the polyester fiber of preparation, wherein, polypropylene glycol, polytetrahydrofuran diol mass ratio are 2:1；
Negative ion enhancing species are by following percentage（Account for terylene chips quality）Component composition：Titanium acetylacetone 1.5%, titanium dioxide
Titanium 1%, 2- methylpents butyl ester 2%, anionic additive is various types of uniform according to mass mixing, it is added in nano-level grinder,
The particulate that particle diameter is 50-100 nanometers is ground into, after drying, is added under molten condition and obtains in polyester slice；
（5）After terylene chips, tourmaline master batch, polyester improver and negative ion enhancing species being added into screw extruder, melting
Well mixed, the heating-up temperature of six function temperature controlled regions is in screw extruder： 270℃、275℃、273℃、280℃、283
℃、283℃。
（6）Appropriate pump is adjusted for amount and spinning speed, pump is for amount：700g/min, spinning speed：2700m/min, spinning
Temperature：375℃；Wind-warm syndrome：35 DEG C, wind speed： 2.5m/s；
（7）After cooling and shaping, polyester fiber is by spinning shaft, using the after-processing technology releived, further to improve terylene
The intensity of fiber, it is specially：Stretch slot temperature is： 50℃；Two 62 DEG C of stretching-machine temperature；Three 90 DEG C of stretching-machine temperature；Draw
It is 145m/min to stretch the speed of production of multiple 3.3.
Negative-oxygen ion health function polyester fiber prepared by the present invention has good physical characteristic, and the present invention is prepared negative
The Testing index of oxonium ion healthcare function polyester fiber, is specifically shown in Table 1：
Table 1
Drawn a conclusion by table 1, embodiment 2 is most preferred embodiment, and embodiment 2 is also by accidentally being obtained during substantial amounts of experiment
Related process parameters, particularly its regain are greatly improved, and compared with other embodiment, illustrate that its moisture sorption effect is good
It is good.
Negative ion health function polyester fiber prepared by 1-3 of the embodiment of the present invention, complete wash partly is made using common process
Light plain cloth（Longitude and latitude 68D/24F）, use《The detection and evaluation of GBT30128-2013 textile anion generating capacities》Inspection
Survey, specific Testing index is shown in Table 2
Table 2
By table 2 it may be concluded that negative ion health function polyester fiber prepared by the present invention has outstanding release anion
Ability, anion-generating capacity >=1850/cm3, and the moisture pick-up properties of anion-generating capacity and polyester fiber has necessarily
Positive correlation.
In experiment and production, it is fine further to find out the negative ion health terylene that related process parameters are prepared to the present invention
The influence of negative ion-releasing function is tieed up, the method that we use embodiment 2, only changes related related process in following table, is carried out
Experimental exploration, specifically it is shown in Table 3
Table 3
As can be seen from Table 3, comparative example 4-7 it is concluded that：In tourmaline master batch（In terms of tourmaline nano powder）Add
In the case of entering amount, polyester improver addition, the maintenance unanimously of titanium dioxide addition, the negative-oxygen ion health function of preparation is washed
Synthetic fibre fiber negative oxygen ion releasability, as the content of titanium acetylacetone, 2- methylpent butyl esters increases and increases, but works as levulinic
When ketone titanium, the content of 2- methylpent butyl esters reach terylene chips 1.5%, the polyester fiber negative oxygen ion releasability of preparation reaches
Peak value；
Compare comparative example 8 and embodiment 4-7 it may be concluded that tourmaline master batch（In terms of tourmaline nano powder）Addition is system
Standby polyester fiber produces the main source of negative oxygen ion；
Comparing comparative example 9 and embodiment 4-7, we chance on, when polyester improver addition is 0, the terylene of preparation
The releasability for the fiber negative oxygen ion that the releasability of negative oxygen ion is prepared than with the addition of polyester improver on the contrary is good.
The above described is only a preferred embodiment of the present invention, being not the limitation for making other forms to the present invention, appoint
What those skilled in the art is changed or is modified as equivalent variations possibly also with above-mentioned technology contents as enlightenment
Equivalent embodiment.But it is every without departing from technical solution of the present invention content, the technical spirit according to the present invention is to above example
Made simple modification, equivalent variations and remodeling, still fall within the protection domain of the claims in the present invention.
Claims (10)
- A kind of 1. negative-oxygen ion health function polyester fiber, it is characterised in that：The Oxyanionic polyester fibre fracture strength >= 6.35cN/dtex, elongation at break 25.2-27.8%, dry-hot shrinkage≤8.5%, crimp percent≤3.5%, regain >= 1.5%。
- A kind of 2. negative-oxygen ion health function polyester fiber according to claim 1, it is characterised in that：The negative oxygen ion Healthcare function polyester fiber anion-generating capacity >=1850/cm3。
- A kind of 3. preparation method of the negative-oxygen ion health function polyester fiber described in claim 1, it is characterised in that：The side Method includes the preparation of tourmaline nano powder, tourmaline-cellulose function film preparation, the preparation of tourmaline master batch, modified terylene chips Preparation process；The tourmaline-cellulose functional membrane preparation process includes：Cellulose spin dope is taken to be received with the tourmaline prepared Ground rice, denaturant mixing are uniformly dispersed, and make thinner into liquid film, then liquid film is put into conventional acid bath, pulled out after 10-20s Cellulose membrane is made；Cellulose membrane is placed in 0.1-1mol/L sodium hydroxide solution；Then cellulose is put into baking oven, 20-40min is dried at being 90-110 DEG C in temperature；The denaturant is JL-V.
- A kind of 4. preparation method of negative-oxygen ion health function polyester fiber according to claim 3, it is characterised in that：Institute State tourmaline-cellulose functional membrane moisture≤0.5%；The matter of tourmaline nano powder in the tourmaline-cellulose functional membrane Measure as the 1/10-1/3 of cellulose spin dope quality；The addition of the denaturant is cellulose spin dope quality 0.5%-1%。
- A kind of 5. preparation method of negative-oxygen ion health function polyester fiber according to claim 3, it is characterised in that：Institute State modified terylene chips preparation：It is by terylene chips under 265-270 DEG C of molten condition of screw extruder, the tourmaline of preparation is female Grain, polyester improver and negative ion enhancing species are added in the terylene chips of melting, stir 30-45min；The tourmaline master batch Addition the 1.5-5% of terylene chips gross mass is calculated as with tourmaline nano powder；The addition of the polyester improver is 0.05-2%。
- A kind of 6. preparation method of negative-oxygen ion health function polyester fiber according to claim 5, it is characterised in that：Institute Polyester improver is stated as dodecyl sodium sulfate, polyethylene glycol, polypropylene glycol, the one or more of polytetrahydrofuran diol.
- A kind of 7. preparation method of negative-oxygen ion health function polyester fiber according to claim 5, it is characterised in that：Institute State the component composition of negative ion enhancing species：Titanium acetylacetone 0.5-1.5%, titanium dioxide 1-3%, 2- methylpent butyl ester 0.5-2%.
- A kind of 8. preparation method of negative-oxygen ion health function polyester fiber according to claim 3, it is characterised in that：Institute Stating method also includes mixed melting step；The mixed melting step：Into screw extruder add terylene chips, tourmaline- After cellulose nano powder, polyester improver and negative ion enhancing species, melting mixing is uniform, six function temperature in screw extruder Control area heating-up temperature be：265-270℃、270-275℃、270-275℃、275-280℃、280-283℃、283-285℃.
- A kind of 9. preparation method of negative-oxygen ion health function polyester fiber according to claim 3, it is characterised in that：Institute Stating method also includes spinning process；The spinning process：Pump is for amount：650-700g/min, spinning speed：2600-2800m/ Min, spinning temperature：360-380℃；Wind-warm syndrome：35-40 DEG C, wind speed：2.0-2.5m/s.
- A kind of 10. preparation method of negative-oxygen ion health function polyester fiber according to claim 3, it is characterised in that： Methods described also includes post-processing step；The post-processing step：Stretch slot temperature is：45-50℃；Two stretching-machine temperature 60-62℃；Three 85-93 DEG C of stretching-machine temperature；Draw ratio 3-3.3；Speed of production is 145-155m/min.
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