CN108035006A - A kind of hygroscopic fibre and preparation method thereof - Google Patents

A kind of hygroscopic fibre and preparation method thereof Download PDF

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Publication number
CN108035006A
CN108035006A CN201711341959.1A CN201711341959A CN108035006A CN 108035006 A CN108035006 A CN 108035006A CN 201711341959 A CN201711341959 A CN 201711341959A CN 108035006 A CN108035006 A CN 108035006A
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China
Prior art keywords
spinneret orifice
king
finish
spinneret
font
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CN201711341959.1A
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CN108035006B (en
Inventor
汤方明
张群
晏金龙
王雪
王永锋
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Jiangsu Hengli Chemical Fiber Co Ltd
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Jiangsu Hengli Chemical Fiber Co Ltd
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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
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/62—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
    • 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
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/02—Heat treatment
    • 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
    • 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
    • D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
    • 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
    • D01D5/16—Stretch-spinning methods using rollers, or like mechanical devices, e.g. snubbing pins
    • 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
    • D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
    • 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
    • D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
    • D01F11/04—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers
    • D01F11/08—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds

Abstract

The present invention relates to a kind of hygroscopic fibre and preparation method thereof, by polyester fondant through metering, composite spinneret is extruded, cooling, oil, stretching, hygroscopic fibre is made in thermal finalization and winding, cross shaped spinneret orifice and king's font spinneret orifice are equipped with composite spinneret at the same time, the microcell length ratio of cross shaped spinneret orifice and king's font spinneret orifice is equal to product of the ratio between the equivalent diameter of cross shaped spinneret orifice and king's font spinneret orifice with COEFFICIENT K, equivalent diameter is the cross-sectional area of spinneret orifice and the ratio of section girth, the value range of COEFFICIENT K is 0.97~1.03, contain crown ether in the finish to oil, and the content of crown ether is 67.30~85.58wt%, capillary parameter >=0.16 of obtained hygroscopic fibre.The method of the present invention advantages of simple, obtained fiber have excellent moisture absorbing and sweat releasing performance, there is fabulous promotional value.

Description

A kind of hygroscopic fibre and preparation method thereof
Technical field
The invention belongs to fiber preparation field, is related to a kind of hygroscopic fibre and preparation method thereof.
Background technology
Polyethylene terephthalate (PET) fiber since the advent of the world, obtains fast because of the excellent performance that it has Suddenly develop, its yield has become the hat of world's synthetic fibers.PET fiber has high fracture strength, elasticity modulus height, rebound Moderate, the thermal finalization excellent performance of property, heat-resisting light resistance be good and a series of excellent performance such as acid-fast alkali-proof good corrosion resistance, and Fabric prepared therefrom has the advantages that crease-resistant and stiffness is good, is widely used in the necks such as fiber, bottle packaging, film and sheet material Domain, yield cumulative year after year, position in industry are obviously improved.High yet with the crystallinity of PET, compact structure, hydrophilic radical is less, Thus moisture absorbing and sweat releasing performance is poor, and this greatly limits the application of PET fiber.
The shape of cross section of fiber affects the performance of yarn and fabric, utilizes different spinneret shape of cross sections and ruler The very little profiled filament that can spin out varying cross-section shape, the material of fiber influence the performance of fiber, fiber with shape facility And the arrangement of fiber in the yarn influences the performance of yarn, the arrangement of yarn and yarn in the fabric influences the performance of fabric, because And the shape facility of fiber is the essence for influencing yarn and fabric property.Profiled filament is that the spinneret orifice through certain geometrical shape is spun Make the chemical fibre with special cross-section shape sum formed.Oneself the profiled filament species through developing is various at present, presses Its section morphology is broadly divided into triangle, polygonal, pancake, hollow shape and diamond shape etc..But the section shape of profiled filament Shape is single, its function is also relatively single, and the heteromorphosis only by fibre section is can not to solve polyester fiber moisture absorbing and sweat releasing property The problem of poor, as can realizing the variation of profiled fibre cross-section shape, will be expected to solve polyester fiber moisture absorbing and sweat releasing property difference Problem.
In recent years, with the double profiled filament of plate or with the more double profiled filaments of plate it is the important hand that solves existing profiled filament deficiency The advantages of section, it can integrate two or more profiled filaments, meet people to profiled filament class textile high quality and function Diversified demand.Although there is document to carry out related grind to patent to the double profiled filaments of same plate or with the more double profiled filaments of plate Study carefully, but fiber is difficult in actual production.It is viscoelastic fluid, it is being sprayed since polyester fondant is non-newtonian fluid While making stickiness flowing in wire hole, elastic deformation will occur, form certain pressure, therefore, after polyester fondant goes out spinneret orifice Certain pressure drop can be produced, the shape of spinneret orifice, size, length and mutual relation pair its pressure drop can all produce Very big influence, the shape that existing research generally only takes into account spinneret orifice is identical or cross-sectional area is equal, and shape, size Mutual influence is but without reference to so will result in of different shapes spray of the polyester fondant from same spinneret with length Pressure drop when wire hole flows out is inconsistent so that difference occurs in the extruded velocity between the different fiber in section, influences fiber spinning Silk processing is smoothed out.
Therefore, the defects of prior art is with the double profiled filaments of plate or double profiled filament difficulty in spinnings more with plate how is overcome, Prepare a kind of while the shape containing multiple section fiber and asked with obtaining preferable moisture absorbing and sweat releasing performance as currently urgently to be resolved hurrily Topic.
The content of the invention
The purpose of the present invention is overcome above-mentioned problems of the prior art, there is provided a kind of to have excellent moisture absorbing and sweat releasing Fiber of performance and preparation method thereof.Fiber in the present invention is due to cross and the combined effect of king's word fiber, moisture absorbing and sweat releasing effect Fruit is largely improved, capillary parameter >=0.16 of hygroscopic fibre；The use of the finish containing crown ether, improves finish Heat resistance and lubricity, reduce the lousiness rate of fibre, improve the quality of fiber.
In order to achieve the above object, the technical solution adopted by the present invention is：
A kind of hygroscopic fibre, contains cross monofilament in a branch of hygroscopic fibre of same spinneret extrusion at the same time With king's font monofilament, the material of hygroscopic fibre is polyester, capillary parameter >=0.16 of hygroscopic fibre, conventional products Capillary parameter is 0.08~0.12, and the capillary parameter of the obtained fiber of the present invention can be carried substantially substantially due to conventional products The moisture absorption sweat discharging functions of high microsteping.
As preferable technical solution：
A kind of hygroscopic fibre as described above, the fiber number of the cross monofilament is 0.40~0.50dtex, described The fiber number of king's font monofilament is 0.75~0.85dtex.
A kind of hygroscopic fibre as described above, the fiber number of the hygroscopic fibre is 75~150dtex, and fracture is strong Degree >=3.8cN/dtex, elongation at break are 33.0 ± 3.0%, line density deviation ratio≤0.5%, fracture strength CV values≤ 5.0%, extension at break CV value≤8.0%, yarn unevenness CV value≤2.00%, boiling water shrinkage is 7.5 ± 0.5%, oil-containing Rate is 0.90 ± 0.20%.
A kind of hygroscopic fibre as described above, lousiness≤2 of a spinning cake.
The present invention also provides a kind of method of hygroscopic fibre as described above is prepared, by polyester fondant through measuring, it is multiple Conjunction spinneret is extruded, cooled down, oiling, stretching, hygroscopic fibre is made in thermal finalization and winding；
Be equipped with cross shaped spinneret orifice and king's font spinneret orifice at the same time on the composite spinneret, the cross shaped spinneret orifice and The microcell length ratio of king's font spinneret orifice is equal to the ratio between equivalent diameter of cross shaped spinneret orifice and king's font spinneret orifice and COEFFICIENT K Product, the equivalent diameter is the cross-sectional area of spinneret orifice and the ratio of section girth, and the value range of the COEFFICIENT K is 0.97~1.03；
Contain crown ether in the finish to oil, and the content of crown ether is 67.30~85.58wt%, finish of the present invention The content of middle crown ether need to be kept within the specific limits, and the addition of crown ether is too low, can not be made that viscosity is low, heat resistance is good and The higher finish of film strength, the addition of crown ether is excessive, other performance indicators of finish can be affected.
The present invention has been made that a kind of viscosity is low, heat resistance is good and film strength is higher by introducing crown ether in finish Finish, crown ether are a kind of heterocyclic organic compounds, include multiple ether groups, and the wettability of crown ether-like surfactant compares phase The open chain compound answered is big, and crown ether has preferable solubilising, and solubility of the salt compounds in organic compound is relatively low, but is preced with The addition of ether can be improved solubility of the salt compounds in organic matter.The viscosity of finish is higher main in the prior art It is due to contain conventional polyester class compound or polyether compound in finish, such compound is since molecular weight is larger and hydrogen bond Effect, intermolecular effect is larger shows as that kinematic viscosity is larger for its, thus causes the viscosity of finish higher, after adding crown ether The viscosity of finish can significantly reduce, relatively low mainly due to crown ether oneself viscosity and be pearl small molecule, and crown ether can be preferably It is compatible in polyesters compound or polyethers finish system, while enters polyesters compound or polyether compound strand Between, the active force between strand is shielded, so as to reduce the viscosity of finish system.In the prior art the film strength of finish compared with The low antistatic additive mainly due to preparation medium mostly exists containing metal ion or in a salt form, causes antistatic additive With the poor compatibility of polyesters compound or polyethers in finish, crown ether can improve film strength and be added mainly due to crown ether After can produce salting in effect, improve the compatibility of antistatic additive and polyesters compound or polyethers, and then improve oil Agent oil film strength.In addition, crown ether has the volatilization point of higher and excellent heat-resistant stability, the resistance to of the finish after crown ether is introduced Hot property is also obviously improved.
As preferable technical solution：
The microcell length of method as described above, the cross shaped spinneret orifice or king's font spinneret orifice for 0.32~ The equivalent diameter of 1.24mm, the cross shaped spinneret orifice or king's font spinneret orifice is 0.16~0.31mm；
All spinneret orifices concentric arrays on spinneret, the center of circle or the circumscribed circle center of circle of all spinneret orifices are positioned at same On heart circle, the concentric circles is equidistant concentric circles, and the spinneret orifice on same annulus equidistantly arranges.
Method as described above, contains cross shaped spinneret orifice and king's font spinneret orifice, same annulus on same annulus at the same time The quantity ratio or the quantity of king's font spinneret orifice and cross shaped spinneret orifice ratio of upper cross shaped spinneret orifice and king's font spinneret orifice are 1:1 ~1.2.
Method as described above, thermal weight loss is less than 15wt% after the finish heats 2h at 200 DEG C, and crown ether has more High volatilization point and excellent heat-resistant stability, the heat resistance of the finish introduced after crown ether are also obviously improved；
For the finish at (50 ± 0.01) DEG C, kinematic viscosity is 27.5~30.1mm2/ s, the finish are configured to water Kinematic viscosity after the lotion that concentration is 10wt% is 0.93~0.95mm2/ s, the viscosity that crown ether can reduce finish are mainly Since crown ether oneself viscosity is relatively low and is pearl small molecule, after introducing crown ether in finish system, crown ether can be preferably compatible to In polyesters compound or polyether compound finish system, while enter polyesters compound or polyether compound strand Between, the active force between strand is shielded, so as to reduce the viscosity of finish system；
The film strength of the finish is 121~127N, and the film strength of finish is relatively low in the prior art, generally in 110N Left and right, this mostly exists containing metal ion or in a salt form mainly due to the antistatic additive of preparation medium, causes to resist Electrostatic agent can improve film strength and be mainly with polyesters compound or the poor compatibility of polyether compound in finish, crown ether Salting in effect can be produced after being added due to crown ether, improves antistatic additive and polyesters compound or the compatibility of polyethers, And then improve finish oil film strength；
The surface tension of the finish is 23.2~26.8cN/cm, and ratio resistance is 1.0 × 108~1.8 × 108Ω·cm；
After oiling, confficient of static friction between fiber and fiber is 0.250~0.263, the coefficient of kinetic friction for 0.262~ 0.273；
After oiling, confficient of static friction between fiber and metal is 0.202~0.210, the coefficient of kinetic friction for 0.320~ 0.332。
Method as described above, the crown ether are 2- methylols -12-crown-4,15- crown ethers -5 or 2- methylol -15- crown-s 5；
Also contain mineral oil, phosphate kalium salt, trimethylolpropane laurate and sodium alkyl sulfonate in the finish；
The mineral oil is one kind in the mineral oil of 9#~17#；
The phosphate kalium salt is 1-isobutyl-3,5-dimethylhexylphosphoric acid sylvite, isomerous tridecanol polyoxyethylene ether phosphate kalium salt or ten Tetracosanol phosphate kalium salt；
The sodium alkyl sulfonate is dodecyl sodium sulfate, pentadecyl sulfonic acid sodium or sodium cetanesulfonate；
The finish is configured to the emulsion that concentration is 10~20wt% when in use, with water；
The preparation method of the finish is：By crown ether and phosphate kalium salt, trimethylolpropane laurate and alkyl sulphur Sour sodium is added in mineral oil after mixing is uniformly mixing to obtain finish；Count in parts by weight, the addition of each component is as follows：
The mixing carries out at normal temperatures, and the temperature of the stirring is 40~55 DEG C, and the time is 1~3h.
Method as described above, the spinning technology parameter of the hygroscopic fibre are as follows：
Spinning temperature：280~290 DEG C；
Cooling temperature：20~25 DEG C；
Network pressure：0.20~0.30MPa；
One roller speed：2200~2600m/min
One roll temperature：75~85 DEG C；
Two roller speeds：3600~3900m/min；
Two roll temperatures：135~165 DEG C；
The speed of winding：3550~3840m/min；
The initial pressure of filament spinning component is 120bar, and pressure rises Δ P≤0.6bar/ days.
Invention mechanism：
Polyester fondant is non-newtonian fluid, is viscoelastic fluid, while it makees stickiness flowing in spinneret orifice, will be occurred Elastic deformation, and elastically-deformable presence is one of unstable key factor of spinning.The microcell length of spinneret orifice and cross section Girth and spinneret orifice cross-sectional area etc. to elasticity in melt can storage and relaxation degree have a significant impact, the present invention is logical Cross and the microcell length of two kinds of spinneret orifices, cross-sectional area and section girth on same spinneret are set and by two kinds of spinneret orifices Size establishes certain contact, realizes the relaxation of melt elasticity energy so that its pressure during by different spinneret orifices Power drop is identical, melt is reduced in the pressure drop in exit and puffing, so as to ensure that melt spinning smoothly stably carries out.
When melt passes through the spinneret orifice of spinneret, the calculation formula of melt pressure drop is as follows：
In formula, Δ P is that the pressure of melt drops, SIt is interiorFor spinneret orifice inner wall area, its value be equal to the microcell length of spinneret orifice with The product of the section girth of spinneret orifice, SCutFor the cross-sectional area of spinneret orifice, τ is the viscous fluid shear stress of material.
For the polyester fondant by variform spinneret orifice A and spinneret orifice B on same spinneret, to make melt never It is consistent with the speed extruded in spinneret orifice or difference is smaller, it is necessary to assure its pressure drop during by different spinneret orifices It is identical or difference within the specific limits, i.e. Δ PA=K Δs PB, therefore wherein COEFFICIENT K=0.97~1.03, can derive different sprays The microcell length of wire hole and the girth of its spinneret orifice cross section and the relation of spinneret orifice cross-sectional area, i.e.,：
In formula, D is the microcell length of spinneret orifice, and S is the cross-sectional area of spinneret orifice, and L is the week of the cross section of spinneret orifice Long, B is the equivalent diameter of spinneret orifice.
The present invention is by using the microcell length of the spinneret orifice for being provided with two kinds of special shapes and two kinds of spinneret orifices, horizontal stroke The size of area of section and section girth have certain contact composite spinneret, ensure that spinning smoothly stablize into OK, solve same plate profiled filament in spinning process, it is fine caused by pressure drop is inconsistent when the extrusion molding of different melt The problems such as irregular, intensity is irregular, uneven dyeing is tieed up, improves the stability of product, realizes from same spinneret while squeezes Go out cross monofilament and king's font monofilament so that the advantages of final obtained fiber takes into account cross monofilament and king's font monofilament, With preferable moisture absorbing and sweat releasing performance, cross monofilament and king's font monofilament have the groove of tubulose along fiber direction of principal axis, i.e., fine There is groove in the section of dimension, and pipeline is provided for the migration of moisture, fabric can be made to produce wicking, wicking is in wet fabric On the basis of betide extensive hygroscopic effect between fiber, make fabric that there are good moisture absorption sweat discharging functions, in addition king's font list The fiber number of silk is more than cross monofilament, and the less cross monofilament of fiber number is easy to insert in the groove gap of king's font monofilament, subtracts The voidage between fiber is lacked, both combinations further increase the wicking of fiber, further increase fiber Moisture absorption sweat discharging functions, make fabric discharge the moisture of skin rapidly.
Beneficial effect：
(1) a kind of hygroscopic fibre of the invention, the advantages of taking into account cross monofilament and king's font monofilament, has ideal Moisture absorbing and sweat releasing performance, there is fabulous promotional value；
(2) a kind of hygroscopic fibre of the invention, the oil agent containing crown ether used during oiling have viscosity Low, the characteristics of heat resistance is good, film strength is high, Lubricity is good and antistatic property is strong, improve spinning stability and The processing performance of fiber；
(3) preparation method of a kind of hygroscopic fibre of the invention, by setting two kinds of spinneret orifices on same spinneret Microcell length, cross-sectional area and section girth and the size of two kinds of spinneret orifices is established to certain contact, ensure that poly- Pressure drop of the ester melt during by different spinneret orifices is essentially identical, so that melt is fast from the extrusion in spinneret orifice Spend it is basically identical, so as to ensure that its spinning smoothly stably carries out.
Brief description of the drawings
Fig. 1 is the spinneret orifice arrangement mode schematic diagram of 1 composite spinneret of the embodiment of the present invention.
Embodiment
The invention will be further elucidated with reference to specific embodiments.It is to be understood that these embodiments are merely to illustrate this hair It is bright rather than limit the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, art technology Personnel can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited Fixed scope.
Embodiment 1
A kind of hygroscopic fibre, preparation method are：
(1) oil and prepared with finish；
By 2- methylols -12-crown-4 and 1-isobutyl-3,5-dimethylhexylphosphoric acid sylvite, trimethylolpropane laurate and cetyl Sodium sulfonate is added in 12# mineral oil and obtains finish in 40 DEG C of uniform stirring 2.5h after mixing at normal temperatures；By weight Number meter, the addition of each component are as follows：5 parts of 12# mineral oil；2- methylols -95 parts of 12-crown-4；1-isobutyl-3,5-dimethylhexylphosphoric acid potassium 9 parts of salt；2 parts of sodium cetanesulfonate.The content of crown ether is 85.58wt% in the finish prepared, the resistance to elevated temperatures of finish Excellent, thermal weight loss is 9wt% after heating 2h at 200 DEG C, and the viscosity of finish is relatively low, and at (50 ± 0.01) DEG C, movement is viscous Spend for 29.5mm2/ s, the kinematic viscosity being configured to water after the lotion that concentration is 10wt% is 0.93mm2/ s, the oil film of finish are strong Degree is higher, is 121N, the surface tension of finish is 24.3cN/cm, and ratio resistance is 1.0 × 108Ω cm, after oiling, fiber with Confficient of static friction (μ between fiber (F/F)s) it is 0.260, the coefficient of kinetic friction (μd) it is 0.263, after oiling, fiber and metal (F/M) confficient of static friction (μ betweens) it is 0.202, the coefficient of kinetic friction (μd) it is 0.330, the finish of preparation uses water when in use It is configured to the emulsion that concentration is 19wt%；
(2) polyester fondant extruded through metering, composite spinneret, cooled down, oiled, stretched, thermal finalization and winding are made and inhale Wet perspiration fibre.
Cross shaped spinneret orifice and king's font spinneret orifice, the specific arrangement of its spinneret orifice are equipped with wherein on composite spinneret at the same time For schematic diagram as shown in Figure 1, wherein, A represents cross shaped spinneret orifice, B represents king's font spinneret orifice, cross shaped spinneret orifice and king The microcell length ratio of font spinneret orifice is equal to the ratio between equivalent diameter of cross shaped spinneret orifice and king's font spinneret orifice and COEFFICIENT K Product, equivalent diameter are the cross-sectional area of spinneret orifice and the ratio of section girth, and the value of COEFFICIENT K is 1.01, cross spray The microcell length of wire hole is 0.38mm, and the microcell length of king's font spinneret orifice is 0.382mm, the equivalent diameter of cross shaped spinneret orifice For 0.22mm, all spinneret orifices concentric arrays on spinneret, the center of circle or the circumscribed circle center of circle of all spinneret orifices are located at On concentric circles, concentric circles is equidistant concentric circles, and the spinneret orifice on same annulus equidistantly arranges, and contains at the same time on same annulus Cross shaped spinneret orifice and king's font spinneret orifice, the quantity ratio of cross shaped spinneret orifice and king's font spinneret orifice is 1 on same annulus:1. Spinning technology parameter is as follows：Spinning temperature：280℃；Cooling temperature：21℃；Network pressure：0.25MPa；One roller speed： 2400m/min；One roll temperature：78℃；Two roller speeds：3750m/min；Two roll temperatures：145℃；The speed of winding：3640m/ min；The initial pressure of filament spinning component is 120bar, and it is 0.52bar/ days that pressure, which rises Δ P,.
Contain cross monofilament and a branch of moisture absorbing and sweat releasing of king's font monofilament while final obtained same spinneret extrusion The capillary parameter of fiber is 0.18, and the fiber number of cross monofilament is 0.44dtex, and the fiber number of king's font monofilament is 0.82dtex.Inhale The fiber number of wet perspiration fibre is 100dtex, fracture strength 4.2cN/dtex, elongation at break 33.0%, line density deviation Rate is 0.33%, and fracture strength CV values are 3.5%, and extension at break CV values are 7.5%, and yarn unevenness CV values are 1.5%, boiling water Shrinking percentage is 7.5%, oil content 0.90%, lousiness≤2 of a spinning cake.
Embodiment 2
A kind of hygroscopic fibre, preparation method are：
(1) oil and prepared with finish；By 15- crown ethers -5 and isomerous tridecanol polyoxyethylene ether phosphate kalium salt, three hydroxyl first Base propane laurate and dodecyl sodium sulfate be added to after mixing at normal temperatures in 13# mineral oil and 52 DEG C uniformly Stirring 2h obtains finish；Count in parts by weight, the addition of each component is as follows：10 parts of 13# mineral oil；Trimethylolpropane bay 5 parts of acid esters；- 5 70 parts of 15- crown ethers；8 parts of isomerous tridecanol polyoxyethylene ether phosphate kalium salt；6 parts of dodecyl sodium sulfate.System Content for crown ether in the finish gone out is 70.70wt%, and the resistance to elevated temperatures of finish is excellent, the heat after 200 DEG C of heating 2h Weightlessness is 13.5wt%, and the viscosity of finish is relatively low, at (50 ± 0.01) DEG C, kinematic viscosity 28.6mm2/ s, is configured to water Kinematic viscosity after the lotion that concentration is 10wt% is 0.95mm2/ s, the film strength of finish is higher, is 126N, the table of finish Face tension force is 24.9cN/cm, and ratio resistance is 1.2 × 108 Ω cm, after oiling, the static friction system between fiber and fiber (F/F) Number (μs) it is 0.251, the coefficient of kinetic friction (μd) it is 0.262, after oiling, the confficient of static friction (μ between fiber and metal (F/M)s) For 0.202, the coefficient of kinetic friction (μd) it is 0.332, the finish of preparation is configured to the emulsification that concentration is 11wt% when in use, with water Liquid.
(2) polyester fondant extruded through metering, composite spinneret, cooled down, oiled, stretched, thermal finalization and winding are made and inhale Wet perspiration fibre.
Cross shaped spinneret orifice and king's font spinneret orifice, cross shaped spinneret orifice and king's word are equipped with wherein on composite spinneret at the same time The microcell length ratio of shape spinneret orifice is equal to multiplying for the ratio between cross shaped spinneret orifice and equivalent diameter of king's font spinneret orifice and COEFFICIENT K Product, equivalent diameter are the cross-sectional area of spinneret orifice and the ratio of section girth, and the value of COEFFICIENT K is 0.99, king's font spinneret The microcell length in hole is 0.66mm, and the microcell length of cross shaped spinneret orifice is 0.66mm, and the equivalent diameter of king's font spinneret orifice is 0.16mm, all spinneret orifices concentric arrays on spinneret, the center of circle or the circumscribed circle center of circle of all spinneret orifices are positioned at same On heart circle, concentric circles is equidistant concentric circles, and the spinneret orifice on same annulus equidistantly arranges, and contains ten at the same time on same annulus Font spinneret orifice and king's font spinneret orifice, on same annulus cross shaped spinneret orifice with the quantity of king's font spinneret orifice than 1:1.2.Spin Silk technological parameter is as follows：Spinning temperature：282℃；Cooling temperature：23℃；Network pressure：0.29MPa；One roller speed：2600m/ min；One roll temperature：79℃；Two roller speeds：3800m/min；Two roll temperatures：150℃；The speed of winding：3550m/min；Spinning The initial pressure of component is 120bar, and it is 0.55bar/ days that pressure, which rises Δ P,.
Contain cross monofilament and a branch of moisture absorbing and sweat releasing of king's font monofilament while final obtained same spinneret extrusion The capillary parameter of fiber is 0.18, and the fiber number of cross monofilament is 0.48dtex, and the fiber number of king's font monofilament is 0.82dtex.Inhale The fiber number of wet perspiration fibre is 75dtex, fracture strength 4.0cN/dtex, elongation at break 33.0%, line density deviation ratio For 0.45%, fracture strength CV values are 4.0%, and extension at break CV values are 7.9%, and yarn unevenness CV values are 1.9%, boiling water receipts Shrinkage is 7.0%, oil content 0.70%, and glossiness is >=80%, and full-rolling rate is >=99%, lousiness≤2 of a spinning cake.
Embodiment 3
A kind of hygroscopic fibre, preparation method are：
(1) oil and prepared with finish；By 2- methylol -15- crown-s 5 and ten tetracosanol phosphate kalium salts, trihydroxy methyl third Alkane laurate and pentadecyl sulfonic acid sodium are added in 11# mineral oil and in 48 DEG C of uniform stirrings after mixing at normal temperatures 3h obtains finish；Count in parts by weight, the addition of each component is as follows：8 parts of 11# mineral oil；Trimethylolpropane laurate 10 parts；
585 parts of 2- methylol -15- crown-s；Ten 11 parts of tetracosanol phosphate kalium salts；5 parts of pentadecyl sulfonic acid sodium.Prepare The content of crown ether is 70.83wt% in the finish gone out, and the resistance to elevated temperatures of finish is excellent, and heat is lost after heating 2h at 200 DEG C Weight is 11wt%, and the viscosity of finish is relatively low, at (50 ± 0.01) DEG C, kinematic viscosity 30.1mm2/ s, concentration is configured to water It is 0.94mm for the kinematic viscosity after the lotion of 10wt%2/ s, the film strength of finish is higher, is 125N.The surface of finish Power is 23.2cN/cm, and ratio resistance is 1.8 × 108Ω cm, after oiling, the confficient of static friction between fiber and fiber (F/F) (μs) it is 0.250, the coefficient of kinetic friction (μd) it is 0.272, after oiling, the confficient of static friction (μ between fiber and metal (F/M)s) be 0.209, the coefficient of kinetic friction (μd) it is 0.329, the finish of preparation is configured to the emulsification that concentration is 10wt% when in use, with water Liquid.
(2) polyester fondant extruded through metering, composite spinneret, cooled down, oiled, stretched, thermal finalization and winding are made and inhale Wet perspiration fibre.
Cross shaped spinneret orifice and king's font spinneret orifice, cross shaped spinneret orifice and king's word are equipped with wherein on composite spinneret at the same time The microcell length ratio of shape spinneret orifice is equal to multiplying for the ratio between cross shaped spinneret orifice and equivalent diameter of king's font spinneret orifice and COEFFICIENT K Product, equivalent diameter are the cross-sectional area of spinneret orifice and the ratio of section girth, and the value of COEFFICIENT K is 1.02, cross spinneret The microcell length in hole is 0.88mm, and the microcell length of king's font spinneret orifice is 0.88mm, and the equivalent diameter of cross shaped spinneret orifice is 0.30mm, all spinneret orifices concentric arrays on spinneret, the center of circle or the circumscribed circle center of circle of all spinneret orifices are positioned at same On heart circle, concentric circles is equidistant concentric circles, and the spinneret orifice on same annulus equidistantly arranges, and contains ten at the same time on same annulus Font spinneret orifice and king's font spinneret orifice, the quantity ratio or king's font of cross shaped spinneret orifice and king's font spinneret orifice on same annulus The quantity of spinneret orifice and cross shaped spinneret orifice ratio is 1:1~1.2.Spinning technology parameter is as follows：Spinning temperature：288℃；Cooling temperature Degree：20℃；Network pressure：0.20MPa；One roller speed：2300m/min；One roll temperature：83℃；Two roller speeds：3730m/min； Two roll temperatures：165℃；The speed of winding：3830m/min；The initial pressure of filament spinning component is 120bar, and pressure rises Δ P and is 0.54bar/ days.
Contain cross monofilament and a branch of moisture absorbing and sweat releasing of king's font monofilament while final obtained same spinneret extrusion The capillary parameter of fiber is 0.20, and the fiber number of cross monofilament is 0.50dtex, and the fiber number of king's font monofilament is 0.78dtex.Inhale The fiber number of wet perspiration fibre is 135dtex, fracture strength 4.5cN/dtex, elongation at break 36.0%, line density deviation Rate is 0.48%, and fracture strength CV values are 4.8%, and extension at break CV values are 7.5%, and yarn unevenness CV values are 1.4%, boiling water Shrinking percentage is 7.0%, oil content 0.70%, and glossiness is >=80%, and full-rolling rate is >=99%, lousiness≤2 of a spinning cake It is a.
Embodiment 4
A kind of hygroscopic fibre, preparation method are：
(1) oil and prepared with finish；By 2- methylols -12-crown-4 and 1-isobutyl-3,5-dimethylhexylphosphoric acid sylvite, trimethylolpropane Laurate and sodium cetanesulfonate are added in 12# mineral oil and in 40 DEG C of uniform stirrings after mixing at normal temperatures 2.5h obtains finish；Count in parts by weight, the addition of each component is as follows：5 parts of 12# mineral oil；2- methylols -12-crown-4 95 Part；9 parts of 1-isobutyl-3,5-dimethylhexylphosphoric acid sylvite；2 parts of sodium cetanesulfonate.The content of crown ether is in the finish prepared 85.58wt%, the resistance to elevated temperatures of finish is excellent, and thermal weight loss is 9wt% after heating 2h at 200 DEG C, the viscosity of finish compared with It is low, at (50 ± 0.01) DEG C, kinematic viscosity 29.5mm2/ s, the movement being configured to water after the lotion that concentration is 10wt% Viscosity is 0.93mm2/ s, the film strength of finish is higher, is 121N, the surface tension of finish is 24.3cN/cm, and ratio resistance is 1.0×108Ω cm, after oiling, the confficient of static friction (μ between fiber and fiber (F/F)s) it is 0.260, the coefficient of kinetic friction (μd) it is 0.263, after oiling, the confficient of static friction (μ between fiber and metal (F/M)s) it is 0.202, the coefficient of kinetic friction (μd) be 0.330, the finish of preparation is configured to the emulsion that concentration is 19wt% when in use, with water.
(2) polyester fondant extruded through metering, composite spinneret, cooled down, oiled, stretched, thermal finalization and winding are made and inhale Wet perspiration fibre.
Cross shaped spinneret orifice and king's font spinneret orifice, cross shaped spinneret orifice and king's word are equipped with wherein on composite spinneret at the same time The microcell length ratio of shape spinneret orifice is equal to multiplying for the ratio between cross shaped spinneret orifice and equivalent diameter of king's font spinneret orifice and COEFFICIENT K Product, equivalent diameter are the cross-sectional area of spinneret orifice and the ratio of section girth, and the value of COEFFICIENT K is 1.03, king's font spinneret The microcell length in hole is 1.04mm, and the microcell length of cross shaped spinneret orifice is 1.04mm, and the equivalent diameter of king's font spinneret orifice is 0.25mm, all spinneret orifices concentric arrays on spinneret, the center of circle or the circumscribed circle center of circle of all spinneret orifices are positioned at same On heart circle, concentric circles is equidistant concentric circles, and the spinneret orifice on same annulus equidistantly arranges, and contains ten at the same time on same annulus Font spinneret orifice and king's font spinneret orifice, the quantity ratio of cross shaped spinneret orifice and king's font spinneret orifice is 1 on same annulus:1.1. Spinning technology parameter is as follows：Spinning temperature：281℃；Cooling temperature：21℃；Network pressure：0.22MPa；One roller speed： 2500m/min；One roll temperature：75℃；Two roller speeds：3600m/min；Two roll temperatures：155℃；The speed of winding：3700m/ min；The initial pressure of filament spinning component is 120bar, and it is 0.58bar/ days that pressure, which rises Δ P,.
Contain cross monofilament and a branch of moisture absorbing and sweat releasing of king's font monofilament while final obtained same spinneret extrusion The capillary parameter of fiber is 0.22, and the fiber number of cross monofilament is 0.49dtex, and the fiber number of king's font monofilament is 0.75dtex.Inhale The fiber number of wet perspiration fibre is 85dtex, fracture strength 3.8cN/dtex, elongation at break 30.0%, line density deviation ratio For 0.35%, fracture strength CV values are 5.0%, and extension at break CV values are 8.0%, and yarn unevenness CV values are 1.3%, boiling water receipts Shrinkage is 8.0%, oil content 1.10%, and glossiness is >=80%, and full-rolling rate is >=99%, lousiness≤2 of a spinning cake.
Embodiment 5
A kind of hygroscopic fibre, preparation method are：
(1) oil and prepared with finish；By 15- crown ethers -5 and isomerous tridecanol polyoxyethylene ether phosphate kalium salt, three hydroxyl first Base propane laurate and dodecyl sodium sulfate be added to after mixing at normal temperatures in 13# mineral oil and 52 DEG C uniformly Stirring 2h obtains finish；Count in parts by weight, the addition of each component is as follows：10 parts of 13# mineral oil；Trimethylolpropane bay 5 parts of acid esters；- 5 70 parts of 15- crown ethers；8 parts of isomerous tridecanol polyoxyethylene ether phosphate kalium salt；6 parts of dodecyl sodium sulfate.System Content for crown ether in the finish gone out is 70.70wt%, and the resistance to elevated temperatures of finish is excellent, the heat after 200 DEG C of heating 2h Weightlessness is 13.5wt%, and the viscosity of finish is relatively low, at (50 ± 0.01) DEG C, kinematic viscosity 28.6mm2/ s, is configured to water Kinematic viscosity after the lotion that concentration is 10wt% is 0.95mm2/ s, the film strength of finish is higher, is 126N, the table of finish Face tension force is 24.9cN/cm, and ratio resistance is 1.2 × 108Ω cm, after oiling, the static friction system between fiber and fiber (F/F) Number (μs) it is 0.251, the coefficient of kinetic friction (μd) it is 0.262, after oiling, the confficient of static friction (μ between fiber and metal (F/M)s) For 0.202, the coefficient of kinetic friction (μd) it is 0.332, the finish of preparation is configured to the emulsification that concentration is 11wt% when in use, with water Liquid.
(2) polyester fondant extruded through metering, composite spinneret, cooled down, oiled, stretched, thermal finalization and winding are made and inhale Wet perspiration fibre.
Cross shaped spinneret orifice and king's font spinneret orifice, cross shaped spinneret orifice and king's word are equipped with wherein on composite spinneret at the same time The microcell length ratio of shape spinneret orifice is equal to multiplying for the ratio between cross shaped spinneret orifice and equivalent diameter of king's font spinneret orifice and COEFFICIENT K Product, equivalent diameter are the cross-sectional area of spinneret orifice and the ratio of section girth, and the value of COEFFICIENT K is 0.98, king's font spinneret The microcell length in hole is 0.84mm, and the microcell length of cross shaped spinneret orifice is 0.835mm, and the equivalent diameter of king's font spinneret orifice is 0.16mm, all spinneret orifices concentric arrays on spinneret, the center of circle or the circumscribed circle center of circle of all spinneret orifices are positioned at same On heart circle, concentric circles is equidistant concentric circles, and the spinneret orifice on same annulus equidistantly arranges, and contains ten at the same time on same annulus Font spinneret orifice and king's font spinneret orifice, the quantity ratio of cross shaped spinneret orifice and king's font spinneret orifice is 1 on same annulus:1.1. Spinning technology parameter is as follows：Spinning temperature：290℃；Cooling temperature：25℃；Network pressure：0.26MPa；One roller speed： 2200m/min；One roll temperature：75℃；Two roller speeds：3650m/min；Two roll temperatures：135℃；The speed of winding：3550m/ min；The initial pressure of filament spinning component is 120bar, and it is 0.5bar/ days that pressure, which rises Δ P,.
Contain cross monofilament and a branch of moisture absorbing and sweat releasing of king's font monofilament while final obtained same spinneret extrusion The capillary parameter of fiber is 0.19, and the fiber number of cross monofilament is 0.44dtex, and the fiber number of king's font monofilament is 0.77dtex.Inhale The fiber number of wet perspiration fibre is 125dtex, fracture strength 4.4cN/dtex, elongation at break 33.0%, line density deviation Rate is 0.46%, and fracture strength CV values are 4.8%, and extension at break CV values are 7.6%, and yarn unevenness CV values are 1.8%, boiling water Shrinking percentage is 7.5%, oil content 1.10%, and glossiness is >=80%, and full-rolling rate is >=99%, lousiness≤2 of a spinning cake It is a.
Embodiment 6
A kind of hygroscopic fibre, preparation method are：
(1) oil and prepared with finish；By 2- methylol -15- crown-s 5 and ten tetracosanol phosphate kalium salts, trihydroxy methyl third Alkane laurate and pentadecyl sulfonic acid sodium are added in 14# mineral oil and in 55 DEG C of uniform stirrings after mixing at normal temperatures 1h obtains finish；Count in parts by weight, the addition of each component is as follows：3 parts of 14# mineral oil；Trimethylolpropane laurate 10 parts；5 75 parts of 2- methylol -15- crown-s；Ten 14 parts of tetracosanol phosphate kalium salts；7 parts of pentadecyl sulfonic acid sodium.Prepare Finish in the content of crown ether be 68.80wt%, the resistance to elevated temperatures of finish is excellent, heats thermal weight loss after 2h at 200 DEG C For 12wt%, the viscosity of finish is relatively low, at (50 ± 0.01) DEG C, kinematic viscosity 27.5mm2/ s, being configured to concentration with water is Kinematic viscosity after the lotion of 10wt% is 0.95mm2/ s, the film strength of finish is higher, is 126N.The surface tension of finish For 25.4cN/cm, ratio resistance is 1.6 × 108Ω cm, after oiling, the confficient of static friction (μ between fiber and fiber (F/F)s) For 0.255, the coefficient of kinetic friction (μd) it is 0.267, after oiling, the confficient of static friction (μ between fiber and metal (F/M)s) be 0.203, the coefficient of kinetic friction (μd) it is 0.330, the finish of preparation is configured to the emulsification that concentration is 20wt% when in use, with water Liquid.
(2) polyester fondant extruded through metering, composite spinneret, cooled down, oiled, stretched, thermal finalization and winding are made and inhale Wet perspiration fibre.
Cross shaped spinneret orifice and king's font spinneret orifice, cross shaped spinneret orifice and king's word are equipped with wherein on composite spinneret at the same time The microcell length ratio of shape spinneret orifice is equal to multiplying for the ratio between cross shaped spinneret orifice and equivalent diameter of king's font spinneret orifice and COEFFICIENT K Product, equivalent diameter are the cross-sectional area of spinneret orifice and the ratio of section girth, and the value of COEFFICIENT K is 1.00, cross spinneret The microcell length in hole is 0.59mm, and the microcell length of king's font spinneret orifice is 0.587mm, and the equivalent diameter of cross shaped spinneret orifice is 0.21mm, all spinneret orifices concentric arrays on spinneret, the center of circle or the circumscribed circle center of circle of all spinneret orifices are positioned at same On heart circle, concentric circles is equidistant concentric circles, and the spinneret orifice on same annulus equidistantly arranges, and contains ten at the same time on same annulus Font spinneret orifice and king's font spinneret orifice, the quantity ratio of cross shaped spinneret orifice and king's font spinneret orifice is 1 on same annulus:1.2. Spinning technology parameter is as follows：Spinning temperature：285℃；Cooling temperature：24℃；Network pressure：0.30MPa；One roller speed： 2500m/min；One roll temperature：85℃；Two roller speeds：3690m/min；Two roll temperatures：140℃；The speed of winding：3650m/ min；The initial pressure of filament spinning component is 120bar, and it is 0.6bar/ days that pressure, which rises Δ P,.
Contain cross monofilament and a branch of moisture absorbing and sweat releasing of king's font monofilament while final obtained same spinneret extrusion The capillary parameter of fiber is 0.18, and the fiber number of cross monofilament is 0.40dtex, and the fiber number of king's font monofilament is 0.80dtex.Inhale The fiber number of wet perspiration fibre is 150dtex, fracture strength 4.0cN/dtex, elongation at break 36.0%, line density deviation Rate is 0.5%, and fracture strength CV values are 4.2%, and extension at break CV values are 7.1%, and yarn unevenness CV values are 2.0%, boiling water Shrinking percentage is 8.0%, oil content 0.90%, and glossiness is >=80%, and full-rolling rate is >=99%, lousiness≤2 of a spinning cake It is a.
Embodiment 7
A kind of hygroscopic fibre, preparation method are：
(1) oil and prepared with finish；By 15- crown ethers -5 and 1-isobutyl-3,5-dimethylhexylphosphoric acid sylvite, trimethylolpropane laurate Ester and sodium cetanesulfonate are added in 15# mineral oil and obtain oil in 41 DEG C of uniform stirring 2h after mixing at normal temperatures Agent；Count in parts by weight, the addition of each component is as follows：8 parts of 15# mineral oil；20 parts of trimethylolpropane laurate；15- 100 parts of crown ether -5；15 parts of 1-isobutyl-3,5-dimethylhexylphosphoric acid sylvite；2 parts of sodium cetanesulfonate.Crown ether contains in the finish prepared Measure as 68.97wt%, the resistance to elevated temperatures of finish is excellent, and thermal weight loss is 8.5wt% after heating 2h at 200 DEG C, finish Viscosity is relatively low, at (50 ± 0.01) DEG C, kinematic viscosity 28.4mm2/ s, after the lotion that concentration is 10wt% is configured to water Kinematic viscosity be 0.94mm2/ s, the film strength of finish is higher, is 122N.The surface tension of finish is 26.8cN/cm, than Resistance is 1.8 × 108Ω cm, after oiling, the confficient of static friction (μ between fiber and fiber (F/F)s) it is 0.263, dynamic friction Coefficient (μd) it is 0.268, after oiling, the confficient of static friction (μ between fiber and metal (F/M)s) it is 0.210, the coefficient of kinetic friction (μd) it is 0.320, the finish of preparation is configured to the emulsion that concentration is 13wt% when in use, with water.
(2) polyester fondant extruded through metering, composite spinneret, cooled down, oiled, stretched, thermal finalization and winding are made and inhale Wet perspiration fibre.
Cross shaped spinneret orifice and king's font spinneret orifice, cross shaped spinneret orifice and king's word are equipped with wherein on composite spinneret at the same time The microcell length ratio of shape spinneret orifice is equal to multiplying for the ratio between cross shaped spinneret orifice and equivalent diameter of king's font spinneret orifice and COEFFICIENT K Product, equivalent diameter are the cross-sectional area of spinneret orifice and the ratio of section girth, and the value of COEFFICIENT K is 0.97, king's font spinneret The microcell length in hole is 1.20mm, and the microcell length of cross shaped spinneret orifice is 1.20mm, and the equivalent diameter of king's font spinneret orifice is 0.28mm, all spinneret orifices concentric arrays on spinneret, the center of circle or the circumscribed circle center of circle of all spinneret orifices are positioned at same On heart circle, concentric circles is equidistant concentric circles, and the spinneret orifice on same annulus equidistantly arranges, and contains ten at the same time on same annulus Font spinneret orifice and king's font spinneret orifice, the quantity of king's font spinneret orifice and cross shaped spinneret orifice ratio is 1 on same annulus:1.Spin Silk technological parameter is as follows：Spinning temperature：289℃；Cooling temperature：20℃；Network pressure：0.29MPa；One roller speed：2600m/ min；One roll temperature：78℃；Two roller speeds：3840m/min；Two roll temperatures：160℃；The speed of winding：3730m/min；Spinning The initial pressure of component is 120bar, and it is 0.46bar/ days that pressure, which rises Δ P,.
Contain cross monofilament and a branch of moisture absorbing and sweat releasing of king's font monofilament while final obtained same spinneret extrusion The capillary parameter of fiber is 0.16, and the fiber number of cross monofilament is 0.48dtex, and the fiber number of king's font monofilament is 0.84dtex.Inhale The fiber number of wet perspiration fibre is 95dtex, fracture strength 4.6cN/dtex, elongation at break 30.0%, line density deviation ratio For 0.44%, fracture strength CV values are 4.3%, and extension at break CV values are 7.2%, and yarn unevenness CV values are 1.5%, boiling water receipts Shrinkage is 7.5%, oil content 0.90%, and glossiness is >=80%, and full-rolling rate is >=99%, lousiness≤2 of a spinning cake.
Embodiment 8
A kind of hygroscopic fibre, preparation method are：
(1) oil and prepared with finish；By 2- methylols -12-crown-4 and ten tetracosanol phosphate kalium salts, trihydroxy methyl third Alkane laurate and pentadecyl sulfonic acid sodium are added in 16# mineral oil and in 45 DEG C of uniform stirrings after mixing at normal temperatures 3h obtains finish；Count in parts by weight, the addition of each component is as follows：9 parts of 16# mineral oil；2- methylols -12-crown-4 80 Part；Ten 12 parts of tetracosanol phosphate kalium salts；5 parts of pentadecyl sulfonic acid sodium.The content of crown ether is in the finish prepared 83.33wt%, the resistance to elevated temperatures of finish is excellent, and thermal weight loss is 14wt% after heating 2h at 200 DEG C, the viscosity of finish compared with It is low, at (50 ± 0.01) DEG C, kinematic viscosity 30.0mm2/ s, the movement being configured to water after the lotion that concentration is 10wt% Viscosity is 0.93mm2/ s, the film strength of finish is higher, is 127N.The surface tension of finish is 23.5cN/cm, and ratio resistance is 1.5×108Ω cm, after oiling, the confficient of static friction (μ between fiber and fiber (F/F)s) it is 0.262, the coefficient of kinetic friction (μd) it is 0.273, after oiling, the confficient of static friction (μ between fiber and metal (F/M)s) it is 0.208, the coefficient of kinetic friction (μd) be 0.328, the finish of preparation is configured to the emulsion that concentration is 18wt% when in use, with water.
(2) polyester fondant extruded through metering, composite spinneret, cooled down, oiled, stretched, thermal finalization and winding are made and inhale Wet perspiration fibre.
Cross shaped spinneret orifice and king's font spinneret orifice, cross shaped spinneret orifice and king's word are equipped with wherein on composite spinneret at the same time The microcell length ratio of shape spinneret orifice is equal to multiplying for the ratio between cross shaped spinneret orifice and equivalent diameter of king's font spinneret orifice and COEFFICIENT K Product, equivalent diameter are the cross-sectional area of spinneret orifice and the ratio of section girth, and the value of COEFFICIENT K is 1.01, king's font spinneret The microcell length in hole is 0.32mm, and the microcell length of cross shaped spinneret orifice is 0.321mm, and the equivalent diameter of king's font spinneret orifice is 0.31mm, all spinneret orifices concentric arrays on spinneret, the center of circle or the circumscribed circle center of circle of all spinneret orifices are positioned at same On heart circle, concentric circles is equidistant concentric circles, and the spinneret orifice on same annulus equidistantly arranges, and contains ten at the same time on same annulus Font spinneret orifice and king's font spinneret orifice, the quantity of king's font spinneret orifice and cross shaped spinneret orifice ratio is 1 on same annulus:1.2. Spinning technology parameter is as follows：Spinning temperature：280℃；Cooling temperature：20℃；Network pressure：0.25MPa；One roller speed： Mono- roll temperatures of 2300m/min：80℃；Two roller speeds：3900m/min；Two roll temperatures：155℃；The speed of winding：3840m/ min；The initial pressure of filament spinning component is 120bar, and it is 0.4bar/ days that pressure, which rises Δ P,.
Contain cross monofilament and a branch of moisture absorbing and sweat releasing of king's font monofilament while final obtained same spinneret extrusion The capillary parameter of fiber is 0.21, and the fiber number of cross monofilament is 0.50dtex, and the fiber number of king's font monofilament is 0.85dtex.Inhale The fiber number of wet perspiration fibre is 75dtex, fracture strength 3.8cN/dtex, elongation at break 36.0%, line density deviation ratio For 0.5%, fracture strength CV values are 5.0%, and extension at break CV values are 8.0%, and yarn unevenness CV values are 1.9%, boiling water receipts Shrinkage is 7.0%, oil content 0.70%, and glossiness is >=80%, and full-rolling rate is >=99%, lousiness≤2 of a spinning cake.
Embodiment 9
A kind of hygroscopic fibre, preparation method are：
(1) oil and prepared with finish；By 2- methylol -15- crown-s 5 and 1-isobutyl-3,5-dimethylhexylphosphoric acid sylvite, trimethylolpropane Laurate and dodecyl sodium sulfate after mixing and obtain finish in 55 DEG C of uniform stirring 3h at normal temperatures；By weight Number meter, the addition of each component are as follows：15 parts of trimethylolpropane laurate；5 90 parts of 2- methylol -15- crown-s；Dodecane 8 parts of base phosphate kalium salt；7 parts of dodecyl sodium sulfate.The content of crown ether is 81.81wt% in the finish prepared, finish Resistance to elevated temperatures is excellent, and thermal weight loss is 10wt% after heating 2h at 200 DEG C, and the viscosity of finish is relatively low, in (50 ± 0.01) DEG C when, kinematic viscosity 29.7mm2/ s, the kinematic viscosity being configured to water after the lotion that concentration is 10wt% is 0.94mm2/ s, The film strength of finish is higher, is 126N.The surface tension of finish is 24.8cN/cm, and ratio resistance is 1.8 × 108Ω cm, on After oil, the confficient of static friction (μ between fiber and fiber (F/F)s) it is 0.250, the coefficient of kinetic friction (μd) it is 0.264, after oiling, Confficient of static friction (μ between fiber and metal (F/M)s) it is 0.210, the coefficient of kinetic friction (μd) it is 0.321, the finish of preparation exists In use, it is configured to the emulsion that concentration is 10wt% with water.
(2) polyester fondant extruded through metering, composite spinneret, cooled down, oiled, stretched, thermal finalization and winding are made and inhale Wet perspiration fibre.
Cross shaped spinneret orifice and king's font spinneret orifice, cross shaped spinneret orifice and king's word are equipped with wherein on composite spinneret at the same time The microcell length ratio of shape spinneret orifice is equal to multiplying for the ratio between cross shaped spinneret orifice and equivalent diameter of king's font spinneret orifice and COEFFICIENT K Product, equivalent diameter are the cross-sectional area of spinneret orifice and the ratio of section girth, and the value of COEFFICIENT K is 1.03, king's font spinneret The microcell length in hole is 1.24mm, and the microcell length of cross shaped spinneret orifice is 1.24mm, and the equivalent diameter of king's font spinneret orifice is 0.31mm, all spinneret orifices concentric arrays on spinneret, the center of circle or the circumscribed circle center of circle of all spinneret orifices are positioned at same On heart circle, concentric circles is equidistant concentric circles, and the spinneret orifice on same annulus equidistantly arranges, and contains ten at the same time on same annulus Font spinneret orifice and king's font spinneret orifice, the quantity of king's font spinneret orifice and cross shaped spinneret orifice ratio is 1 on same annulus:1.2. Spinning technology parameter is as follows：Spinning temperature：283℃；Cooling temperature：23℃；Network pressure：0.30MPa；One roller speed： 2500m/min；One roll temperature：79℃；Two roller speeds：3830m/min；Two roll temperatures：135℃；The speed of winding：3710m/ min；The initial pressure of filament spinning component is 120bar, and it is 0.38bar/ days that pressure, which rises Δ P,.
Contain cross monofilament and a branch of moisture absorbing and sweat releasing of king's font monofilament while final obtained same spinneret extrusion The capillary parameter of fiber is 0.26, and the fiber number of cross monofilament is 0.49dtex, and the fiber number of king's font monofilament is 0.79dtex.Inhale The fiber number of wet perspiration fibre is 105dtex, fracture strength 4.5cN/dtex, elongation at break 33.0%, line density deviation Rate is 0.39%, and fracture strength CV values are 3.5%, and extension at break CV values are 7.4%, and yarn unevenness CV values are 1.4%, boiling water Shrinking percentage is 7.0%, oil content 0.90%, and glossiness is >=80%, and full-rolling rate is >=99%, lousiness≤2 of a spinning cake It is a.
Embodiment 10
A kind of hygroscopic fibre, preparation method are：
(1) oil and prepared with finish；By 2- methylol -15- crown-s 5 and 1-isobutyl-3,5-dimethylhexylphosphoric acid sylvite, trimethylolpropane Laurate and dodecyl sodium sulfate after mixing and obtain finish in 55 DEG C of uniform stirring 3h at normal temperatures；By weight Number meter, the addition of each component are as follows：15 parts of trimethylolpropane laurate；5 90 parts of 2- methylol -15- crown-s；Dodecane 8 parts of base phosphate kalium salt；7 parts of dodecyl sodium sulfate.The content of crown ether is 81.81wt% in the finish prepared, finish Resistance to elevated temperatures is excellent, and thermal weight loss is 10wt% after heating 2h at 200 DEG C, and the viscosity of finish is relatively low, in (50 ± 0.01) DEG C when, kinematic viscosity 29.7mm2/ s, the kinematic viscosity being configured to water after the lotion that concentration is 10wt% is 0.94mm2/ s, The film strength of finish is higher, is 126N, the surface tension of finish is 24.8cN/cm, and ratio resistance is 1.8 × 108Ω cm, on After oil, the confficient of static friction (μ between fiber and fiber (F/F)s) it is 0.250, the coefficient of kinetic friction (μd) it is 0.264, after oiling, Confficient of static friction (μ between fiber and metal (F/M)s) it is 0.210, the coefficient of kinetic friction (μd) it is 0.321, the finish of preparation exists In use, it is configured to the emulsion that concentration is 10wt% with water.
(2) polyester fondant extruded through metering, composite spinneret, cooled down, oiled, stretched, thermal finalization and winding are made and inhale Wet perspiration fibre.
Cross shaped spinneret orifice and king's font spinneret orifice, cross shaped spinneret orifice and king's word are equipped with wherein on composite spinneret at the same time The microcell length ratio of shape spinneret orifice is equal to multiplying for the ratio between cross shaped spinneret orifice and equivalent diameter of king's font spinneret orifice and COEFFICIENT K Product, equivalent diameter are the cross-sectional area of spinneret orifice and the ratio of section girth, and the value of COEFFICIENT K is 1.02, cross spinneret The microcell length in hole is 0.32mm, and the microcell length of king's font spinneret orifice is 0.32mm, and the equivalent diameter of cross shaped spinneret orifice is 0.25mm, all spinneret orifices concentric arrays on spinneret, the center of circle or the circumscribed circle center of circle of all spinneret orifices are positioned at same On heart circle, concentric circles is equidistant concentric circles, and the spinneret orifice on same annulus equidistantly arranges, and contains ten at the same time on same annulus Font spinneret orifice and king's font spinneret orifice, the quantity of king's font spinneret orifice and cross shaped spinneret orifice ratio is 1 on same annulus:1.1. Spinning technology parameter is as follows：Spinning temperature：286℃；Cooling temperature：24℃；Network pressure：0.27MPa；One roller speed： 2400m/min；One roll temperature：75℃；Two roller speeds：3600m/min；Two roll temperatures：165℃；The speed of winding：3580m/ min；The initial pressure of filament spinning component is 120bar, and it is 0.55bar/ days that pressure, which rises Δ P,.
Contain cross monofilament and a branch of moisture absorbing and sweat releasing of king's font monofilament while final obtained same spinneret extrusion The capillary parameter of fiber is 0.17, and the fiber number of cross monofilament is 0.41dtex, and the fiber number of king's font monofilament is 0.75dtex.Inhale The fiber number of wet perspiration fibre is 75dtex, fracture strength 4.1cN/dtex, elongation at break 36.0%, line density deviation ratio For 0.37%, fracture strength CV values are 3.9%, and extension at break CV values are 7.9%, and yarn unevenness CV values are 1.5%, boiling water receipts Shrinkage is 7.5%, oil content 1.10%, and glossiness is >=80%, and full-rolling rate is >=99%, lousiness≤2 of a spinning cake.
Embodiment 11
A kind of hygroscopic fibre, preparation method are：
(1) oil and prepared with finish；By 2- methylols -12-crown-4 and 1-isobutyl-3,5-dimethylhexylphosphoric acid sylvite, trimethylolpropane Laurate and dodecyl sodium sulfate are added in 9# mineral oil and in 40 DEG C of uniform stirring 1h after mixing at normal temperatures Obtain finish；Count in parts by weight, the addition of each component is as follows：2 parts of 9# mineral oil；Trimethylolpropane laurate 10 Part；2- methylols -90 parts of 12-crown-4；8 parts of 1-isobutyl-3,5-dimethylhexylphosphoric acid sylvite；3 parts of dodecyl sodium sulfate.The finish prepared The content of middle crown ether is 79.6wt%, and the resistance to elevated temperatures of finish is excellent, and thermal weight loss is after heating 2h at 200 DEG C 14.5wt%, the viscosity of finish is relatively low, at (50 ± 0.01) DEG C, kinematic viscosity 29.6mm2/ s, being configured to concentration with water is Kinematic viscosity after the lotion of 10wt% is 0.93mm2/ s, the film strength of finish is higher, film strength 125N, finish Surface tension is 24.8cN/cm, and ratio resistance is 1.3 × 108Ω cm, after oiling, the static friction between fiber and fiber (F/F) Coefficient (μs) it is 0.255, the coefficient of kinetic friction (μd) it is 0.266, after oiling, the confficient of static friction between fiber and metal (F/M) (μs) it is 0.203, the coefficient of kinetic friction (μd) it is 0.320, when in use, it is 15wt%'s to be configured to concentration with water to the finish of preparation Emulsion.
(2) polyester fondant extruded through metering, composite spinneret, cooled down, oiled, stretched, thermal finalization and winding are made and inhale Wet perspiration fibre.
Cross shaped spinneret orifice and king's font spinneret orifice, cross shaped spinneret orifice and king's word are equipped with wherein on composite spinneret at the same time The microcell length ratio of shape spinneret orifice is equal to multiplying for the ratio between cross shaped spinneret orifice and equivalent diameter of king's font spinneret orifice and COEFFICIENT K Product, equivalent diameter are the cross-sectional area of spinneret orifice and the ratio of section girth, and the value of COEFFICIENT K is 1.03, cross spinneret The microcell length in hole is 1.05mm, and the microcell length of king's font spinneret orifice is 1.05mm, and the equivalent diameter of cross shaped spinneret orifice is 0.19mm, all spinneret orifices concentric arrays on spinneret, the center of circle or the circumscribed circle center of circle of all spinneret orifices are positioned at same On heart circle, concentric circles is equidistant concentric circles, and the spinneret orifice on same annulus equidistantly arranges, and contains ten at the same time on same annulus Font spinneret orifice and king's font spinneret orifice, the quantity of king's font spinneret orifice and cross shaped spinneret orifice ratio is 1 on same annulus:1.1. Spinning technology parameter is as follows：Spinning temperature：287℃；Cooling temperature：25℃；Network pressure：0.24MPa；One roller speed： 2300m/min；One roll temperature：85℃；Two roller speeds：3700m/min；Two roll temperatures：150℃；The speed of winding：3640m/ min；The initial pressure of filament spinning component is 120bar, and it is 0.57bar/ days that pressure, which rises Δ P,.
Contain cross monofilament and a branch of moisture absorbing and sweat releasing of king's font monofilament while final obtained same spinneret extrusion The capillary parameter of fiber is 0.18, and the fiber number of cross monofilament is 0.40dtex, and the fiber number of king's font monofilament is 0.81dtex.Inhale The fiber number of wet perspiration fibre is 150dtex, fracture strength 4.3cN/dtex, elongation at break 30.0%, line density deviation Rate is 0.44%, and fracture strength CV values are 4.8%, and extension at break CV values are 7.5%, and yarn unevenness CV values are 2.0%, boiling water Shrinking percentage is 8.0%, oil content 0.90%, and glossiness is >=80%, and full-rolling rate is >=99%, lousiness≤2 of a spinning cake It is a.

Claims (10)

1. a kind of hygroscopic fibre, it is characterized in that：Contain ten at the same time in a branch of hygroscopic fibre of same spinneret extrusion Font monofilament and king's font monofilament, the material of hygroscopic fibre are polyester, capillary parameter >=0.16 of hygroscopic fibre.
2. a kind of hygroscopic fibre according to claim 1, it is characterised in that the fiber number of the cross monofilament is 0.40~0.50dtex, the fiber number of king's font monofilament is 0.75~0.85dtex.
A kind of 3. hygroscopic fibre according to claim 1 or 2, it is characterised in that the fibre of the hygroscopic fibre It is 33.0 ± 3.0% to spend for 75~150dtex, fracture strength >=3.8cN/dtex, elongation at break, line density deviation ratio≤ 0.5%, fracture strength CV value≤5.0%, extension at break CV value≤8.0%, yarn unevenness CV value≤2.00%, boiling shrinkage Rate is 7.5 ± 0.5%, and oil content is 0.90 ± 0.20%.
A kind of 4. hygroscopic fibre according to claim 3, it is characterised in that lousiness≤2 of a spinning cake.
5. a kind of such as method of hygroscopic fibre of Claims 1 to 4 any one of them is prepared, it is characterized in that：Polyester is melted Body is extruded through metering, composite spinneret, cooled down, oiling, stretching, hygroscopic fibre is made in thermal finalization and winding；
Cross shaped spinneret orifice and king's font spinneret orifice, the cross shaped spinneret orifice and king's word are equipped with the composite spinneret at the same time The microcell length ratio of shape spinneret orifice is equal to multiplying for the ratio between cross shaped spinneret orifice and equivalent diameter of king's font spinneret orifice and COEFFICIENT K Product, the equivalent diameter are the cross-sectional area of spinneret orifice and the ratio of section girth, and the value range of the COEFFICIENT K is 0.97 ~1.03；
Contain crown ether in the finish to oil, and the content of crown ether is 67.30~85.58wt%.
6. the according to the method described in claim 5, it is characterized in that, micropore of the cross shaped spinneret orifice or king's font spinneret orifice Length is 0.32~1.24mm, and the equivalent diameter of the cross shaped spinneret orifice or king's font spinneret orifice is 0.16~0.31mm；
All spinneret orifices concentric arrays on spinneret, the center of circle or the circumscribed circle center of circle of all spinneret orifices are located at concentric circles On, the concentric circles is equidistant concentric circles, and the spinneret orifice on same annulus equidistantly arranges.
7. according to the method described in claim 6, it is characterized in that, contain cross shaped spinneret orifice and king's word on same annulus at the same time Shape spinneret orifice, the quantity ratio or king's font spinneret orifice of cross shaped spinneret orifice and king's font spinneret orifice are sprayed with cross on same annulus The quantity ratio of wire hole is 1:1~1.2.
8. according to the method described in claim 5, it is characterized in that, thermal weight loss is small after the finish heats 2h at 200 DEG C In 15wt%；
For the finish at (50 ± 0.01) DEG C, kinematic viscosity is 27.5~30.1mm2/ s, the finish are configured to concentration with water It is 0.93~0.95mm for the kinematic viscosity after the lotion of 10wt%2/s；
The film strength of the finish is 121~127N；
The surface tension of the finish is 23.2~26.8cN/cm, and ratio resistance is 1.0 × 108~1.8 × 108Ω·cm；
After oiling, the confficient of static friction between fiber and fiber is 0.250~0.263, and the coefficient of kinetic friction is 0.262~0.273；
After oiling, the confficient of static friction between fiber and metal is 0.202~0.210, and the coefficient of kinetic friction is 0.320~0.332.
9. according to the method described in claim 8, it is characterized in that, the crown ether is 2- methylols -12-crown-4,15- crown ethers -5 Or 2- methylol -15- crown-s 5；
Also contain mineral oil, phosphate kalium salt, trimethylolpropane laurate and sodium alkyl sulfonate in the finish；
The mineral oil is one kind in the mineral oil of 9#~17#；
The phosphate kalium salt is 1-isobutyl-3,5-dimethylhexylphosphoric acid sylvite, isomerous tridecanol polyoxyethylene ether phosphate kalium salt or 12 Tetrol phosphate kalium salt；
The sodium alkyl sulfonate is dodecyl sodium sulfate, pentadecyl sulfonic acid sodium or sodium cetanesulfonate；
The finish is configured to the emulsion that concentration is 10~20wt% when in use, with water；
The preparation method of the finish is：By crown ether and phosphate kalium salt, trimethylolpropane laurate and sodium alkyl sulfonate It is added to after mixing in mineral oil and is uniformly mixing to obtain finish；Count in parts by weight, the addition of each component is as follows：
The mixing carries out at normal temperatures, and the temperature of the stirring is 40~55 DEG C, and the time is 1~3h.
10. according to claim 5~9 any one of them method, it is characterised in that the spinning technique of the hygroscopic fibre Parameter is as follows：
Spinning temperature：280~290 DEG C；
Cooling temperature：20~25 DEG C；
Network pressure：0.20~0.30MPa；
One roller speed：2200~2600m/min
One roll temperature：75~85 DEG C；
Two roller speeds：3600~3900m/min；
Two roll temperatures：135~165 DEG C；
The speed of winding：3550~3840m/min；
The initial pressure of filament spinning component is 120bar, and pressure rises Δ P≤0.6bar/ days.
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