CN104451921A - Water-absorption quick-dry long fiber, fabric and manufacturing methods of water-absorption quick-dry long fiber and fabric - Google Patents
Water-absorption quick-dry long fiber, fabric and manufacturing methods of water-absorption quick-dry long fiber and fabric Download PDFInfo
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- CN104451921A CN104451921A CN201310433844.0A CN201310433844A CN104451921A CN 104451921 A CN104451921 A CN 104451921A CN 201310433844 A CN201310433844 A CN 201310433844A CN 104451921 A CN104451921 A CN 104451921A
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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
- D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
- C08G63/688—Polyesters containing atoms other than carbon, hydrogen and oxygen containing sulfur
- C08G63/6884—Polyesters containing atoms other than carbon, hydrogen and oxygen containing sulfur derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/6886—Dicarboxylic acids and dihydroxy compounds
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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
- D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
- D01D5/247—Discontinuous hollow structure or microporous structure
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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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/12—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyamide as constituent
-
- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
Abstract
The invention provides a water-absorption quick-dry long fiber, fabric and manufacturing methods of the water-absorption quick-dry long fiber and the fabric. The section of the fiber is in a multi-leaf shape, continuous grooves are formed in the surface of the fiber, the number of the grooves is six to twenty-four, the height of each groove ranges from 2 microns to 6 microns, the width of each groove ranges from 0.5 microns to 2 microns, and the depth-width ratio of each groove ranges from one to twelve. The fabric comprising the fiber is high in water absorption performance and high in quick-dry performance.
Description
Technical field
The present invention relates to a kind of water-absorbing fast-drying type long fiber, fabric containing this fiber and manufacture method thereof.
Background technology
In recent years, what require snugness of fit along with people improved constantly, and the various high-tech contents of garment material are also more and more higher, and fashion stage has blown afloat Sport & Casual wind.People select sportswear just will not dress well to see, the more important thing is that requirement can provide the most thoughtful protection, can be soaked with sweat heartily and be without fear of an attack from the rear, so have higher requirement to the moisture absorbing and sweat releasing performance of garment material.Natural fabric good hygroscopicity, comfortable and easy to wear, but its shortcoming is when human body amount of sweat is larger, clothes will cling to the body, a kind of clammy sensation is caused to human body, this is the cause that can not discharge in time of sweat mainly, so how to be excreted as early as possible by the sweat of liquid state is the key improving fabric comfort.The wet channel that sweat conducts to free surrounding space through fabric has three kinds of forms: one is the interstitial diffusion of sweat between human body skin and fabric or between filament and migrates to outer space; Two is that the steam evaporated condenses into aqueous water at fabric inner surface fibrotic cavitys or fiber surface, and in fiber, the capillarity of cavity or Inter-fiber voids is transported to fabric exterior, again flashes to steam and migrates to outer space; Three are the direct contact fabric of sweat and enter fabric inner surface with the form of aqueous water, and the capillarity in gap is delivered to fabric exterior between warp yarn or between fiber again, then flashes to water vapor diffusion to outer space.
The development approach of high water-absorbing fast-drying fiber mainly contains: chemical method, such as, be grafted on fiber by water imbibition group, adds polymerization single polymerization monomer and carries out copolyreaction, or blended with high water absorbency polymer; Physical method, such as, adopt the roughening of fiber surface, cross section abnormal shapeization, adopts the fibre structure of porous, hollow, the fine of fiber; Composite spinning, with hygroscopic polymer composite spinning; The high natural fabric of water suction and the development and utilization of chemical fibre.
Chinese patent CN200710019723.6 discloses a kind of water-absorbing fast-drying and produces the method for fabric, using alkali soluble copolymer polyester as pore former, carry out co-blended spinning with fibre-forming polymer and obtain water-absorbing fast-drying fiber, the fabric made is through alkali decrement treatment, product has good water-absorbing fast-drying performance, its measure wicking height reaches 70 ~ 120mm, and water evaporation rate is 85 ~ 95%.
But this invention is co-blended spinning, the fiber of formation and fabric are when decrement treatment, and the stripping property of fiber sheath is better, and the stripping property of internal layer is suppressed, and its moisture sorption effect can not get very big raising.
Summary of the invention
The object of this invention is to provide a kind of water-absorbing fast-drying type long fiber, fabric containing this fiber and manufacture method.
Technical solution of the present invention is:
A kind of water-absorbing fast-drying type long fiber, fiber cross-sectional be leafy shape and fiber surface with continuous print groove, the number of described groove is 6 ~ 24, and the height of groove is 2 μm ~ 6 μm, and width is 0.5 μm ~ 2 μm, and depth-width ratio is 1 ~ 12.
The present invention is by setting minute groove at fiber surface, and the capillarity utilizing minute groove to produce makes sweat through effects such as wicking, diffusion, transmission, migrates to fabric face rapidly and distributes, thus reaching the object of water-absorbing fast-drying.And in order to obtain enough effects, the number of groove is set as 6 ~ 24, be preferably 8.Now water-absorbing fast-drying is effective, and the strength and elongation of fiber is long-pending can keep good scope, reaches the wearability demand of needs.
The height of groove is 2 μm ~ 6 μm, and width is 0.5 μm ~ 2 μm, and depth-width ratio is 1 ~ 12.Like this, at fiber surface, groove has enough degree of depth, and the wick effect of generation is obviously superior.
With the fibers with profiled section of prior art, such as fibers with profiled section that is cross, rice font is compared, technical advantage of the present invention is that the height (i.e. the degree of depth) of groove and width have enough sizes, can form obvious groove, reach obvious water-absorbing fast-drying effect.Formed after decrement this is because the groove of fiber of the present invention is composite fibre, and common fibers with profiled section, although spinnerets profile design is cross or rice font etc., but in spinning process, the polymer extruded from spinnerets is because expansion, the formation of groove can be offset to a great extent, so the height of groove and width all do not reach the requirement of design, thus affect soaking effect.
Fiber of the present invention is preferably polyamide fiber or polyester fiber.
The filament number of fiber of the present invention is 0.5 ~ 2dtex.
The strength and elongation long-pending >=15 of fiber of the present invention, boiling water shrinkage≤10%, dry-hot shrinkage≤5%.Strength and elongation is long-pending to be specially
.
The present invention also provides a kind of containing the long stapled fabric of water-absorbing fast-drying type, a kind of water-absorbing fast-drying type long fiber is at least contained in this fabric, this fiber cross-sectional be leafy shape and fiber surface with continuous print groove, the number of described groove is 6 ~ 24, the height of groove is 2 μm ~ 6 μm, width is 0.5 μm ~ 2 μm, and depth-width ratio is 1 ~ 12.
The manufacture method of water-absorbing fast-drying type long fiber of the present invention and fabric, comprises following steps;
(1) bi-component composite spinning: A composition 50 ~ 90 of being cut into slices by fibre-forming polymer, to cut into slices B component 10 ~ 50 weight ratio with soluble copolyester, by melting, composite spinneret ejection, spinning, batches, obtain water-absorbing fast-drying type composite long fiber.
(2) initial stage fabric is made: make the initial stage fabric at least containing water-absorbing fast-drying type composite long fiber.
(3) stripping process: initial stage fabric is carried out stripping process, remove soluble copolyester B component, obtain fabric, the section of the water-absorbing fast-drying fiber type in fabric is leafy section, and fiber surface is with continuous print groove, the number of described groove is 6 ~ 24, and the height of groove is 2 μm ~ 6 μm, width is 0.5 μm ~ 2 μm, and depth-width ratio is 1 ~ 12.
Described fibre-forming polymer section A composition is polyamide or polyester.
Described soluble copolyester section B component, is formed by terephthalic acid (TPA), ethylene glycol and M-phthalic acid-5-sulfonate or the combined polymerization of isophthalic acid ester-5-sulfonate; Or formed by terephthalic acid (TPA), ethylene glycol, polyethylene glycol and M-phthalic acid-5-sulfonate or the combined polymerization of isophthalic acid ester-5-sulfonate.
In described soluble copolyester section B component, the content of preferred M-phthalic acid-5-sulfonate or isophthalic acid ester-5-sulfonate is 1 ~ 5mol%, and polyethyleneglycol content is 1 ~ 20wt%, and molecular weight polyethylene glycol scope is 500 ~ 10000.
The present invention adopts two component composite spinning, then carries out stripping process and obtains the fiber of trench section.Fibre-forming polymer A composition and soluble copolyester B component is comprised during two component spinning.Fibre-forming polymer A composition is non-stripping property polymer, is preferably polyamide polymers or polyester polymer.What polyester polymer can be enumerated has polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate (PBT) and their modified copolymer etc.What polyamide polymers can be enumerated has nylon 6, nylon66 fiber and their modified copolymer etc.
Soluble copolyester B component, forms primarily of terephthalic acid (TPA), ethylene glycol copolymerization, at least containing the 3rd comonomer M-phthalic acid 5-sulfonate or isophthalic acid ester-5-sulfonate; In the present invention, M-phthalic acid 5-sulfonate or isophthalic acid ester-5-sulfonate are referred to as SSIA composition.
In described soluble copolyester B component, preferably also containing the 4th comonomer polyethylene glycol.
In soluble copolyester strand, introduce SSIA composition, because it is polar hydrophilic group, there is sucting electronic effect, change the regularity of polyester molecule chain simultaneously, be conducive to the infiltration of aqueous slkali and the carrying out of Alkali reduction process.But due to the sterically hindered and polar effect that SSIA composition is formed, melt viscosity can be caused to rise, affect spinnability.Therefore preferably introduce soft segment polyethylene glycol unit, greatly improve the rigidity of the molecule of polymer, improve the spinnability of polymer, improve the dissolving out capability of this polymer simultaneously further.
In preferred soluble copolyester B component, relative to binary acid total amount, the content of SSIA is 1 ~ 5mol%, and relative to soluble copolyester B component total amount, polyethyleneglycol content is 1 ~ 20wt%, and molecular weight polyethylene glycol scope is 500 ~ 4000.Like this, can obtain good Alkali reduction speed and effect, after carrying out after stripping alkali treatment, fiber surface forms groove, has excellent water-absorbing fast-drying performance.And improve the stability of spinning process.
Specifically, in the present invention, can adopt any known melt spinning method, final finished fiber can adopt online single step spining drawing and forming, also can adopt two-step method, i.e. first spinning, then deep processing obtains.
The spinning process of one-step method is as described below:
By two kinds of polymer chipss respectively at drying machine inner drying to below moisture 100ppm, drop into feed bin respectively, section enters the melting at 250 ~ 300 DEG C of temperature of each screw rod through feed bin, its discharge-amount is controlled by independent measuring pump, by by the composite spining module of spinning manifold control temperature under 250 ~ 300 DEG C of conditions, spin nascent composite fibre, under lateral blowing wind speed 15 ~ 40m/min condition, cooling curing is shaping, make the collection of filaments through evenly being oiled by fiber to oil nozzle and reduce friction again, oil addition is 0.5 ~ 1.5%.
The fiber that oil supply boundling is over is through spinning shaft, through pre-winding apparatus interlacing, entering the first hot-rolling 1HR(temperature is 20 ~ 100 DEG C), and be wound around 6 ~ 7 circles on the first hot-rolling after, again through the second hot-rolling 2HR, also (temperature is 130 ~ 190 DEG C) is enclosed at wound thereon 6 ~ 7, stretching ratio between the first hot-rolling and the second hot-rolling is 1.20 ~ 3.00, fiber after drawn carries out interlacing by main winding apparatus to it under the second hot-rolling, again by 2 roller (3GR, 4GR) fiber is introduced coiling machine and coil into finished product spinning cake (DT), the coiling speed of coiling machine is 3000 ~ 6000m/min, preferably 4500 ~ 5600m/min.
The spinning process of two-step method is as described below:
By two kinds of polymer chipss respectively at drying machine inner drying to below moisture 100ppm, drop into feed bin respectively, section enters the melting at 250 ~ 300 DEG C of temperature of each screw rod through feed bin, its discharge-amount is controlled by independent measuring pump, by by the Multiblade composite spining module of spinning manifold control temperature under 250 ~ 300 DEG C of conditions, spin nascent composite fibre, under lateral blowing wind speed 15 ~ 40m/min condition, cooling curing is shaping, make the collection of filaments through evenly being oiled by fiber to oil nozzle and reduce friction again, oil addition is 0.5 ~ 1.5%.
The fiber that oil supply boundling is over is through spinning shaft, and enter first roller (1GR), then batch obtained preorientation fiber (UY/POY) through entering coiling machine after the second roller (2GR), the coiling speed of coiling machine is 800 ~ 3500m/min.
Gained UY by following method, can make and extend silk (DT).
Obtained UY is carried out deep processing and make extension silk (DT): pre-oriented yarn above-mentioned steps obtained is processed on elongator, process velocity is 500 ~ 1000m/min, processing temperature is 80 ~ 190 DEG C, extension ratio is carry out deep processing under the condition of 1.20 ~ 4.00, obtained extension silk.
Then, above-mentioned water-absorbing fast-drying fiber is made initial stage fabric, obtain the initial stage fabric at least containing water-absorbing fast-drying type composite fibre.
Carry out stripping process further.Stripping process is carried out by initial stage fabric, remove soluble copolyester B component, obtain fabric, the section of the water-absorbing fast-drying fiber type in fabric is leafy section, and fiber surface is with continuous print groove, the number of described groove is 6 ~ 24, and the height of groove is 2 μm ~ 6 μm, width is 0.5 μm ~ 2 μm, and depth-width ratio is 1 ~ 12.
After making initial stage fabric in of the present invention, under suitable alkali dissolution conditions, carry out stripping property process, alkali decrement treatment is conventional treatment process, be generally concentration be 1% ~ 5%, bath raio is carry out in the NaOH solution of 100 ~ 200.Reduction rate controls 5% ~ 40%.
In the present invention, fiber is after decrement treatment, and fiber surface forms continuously through minute groove, and the capillarity produced makes sweat through effects such as wicking, diffusion, transmission, migrate to rapidly the surface of fabric and disperse, thus reaching the object of water-absorbing fast-drying.
The method of testing of the parameter related in the present invention is as follows.
1. the component content assay method in fiber:
Tester: elemental analyser;
Adopt elemental analyser to measure the content of S composition in fiber, thus the content of SSIA in fiber can be conversed.
2. to climb the method for testing of water absorbing properties:
Method of testing: adopt Nippon Standard JISL 1907:2010 to test water absorbing properties of climbing;
Testing procedure:
(1) sample cloth is cut into the batten 3 parts of 2.5cm × 20cm;
(2) one end of batten is fixed, the other end is immersed in the water, and underwater penetration is 2cm;
(3) after leaving standstill 10min, the change of recording liquid rise waterborne;
Calculate: the mean value getting 3 batten lifting heights, obtains its water absorbing properties.
3. the test of rapid-curing cutback performance
Method of testing: the Ke Kenfa (0.3ml water hangs dry) adopting Shanghai Ke Ken company;
Testing procedure:
(1) sample cloth is cut into the batten of 10cm × 10cm, weighs and obtain its quality W;
(2) by 0.3ml water droplet on sample cloth, weigh obtain the quality W0 after adding water;
(3) be hung on fixing shelf by the sample cloth adding water, every 5min weighs and once obtains quality W5, W10, W15 ... Wn (Wn represents the quality of n-th minute sample), until Wn=W, terminates to weigh;
Calculate: moisture entrapment rate=(Wn-W)/(W0-W) × 100%.
4. wash the test of rapid-drying properties
Method of testing: adopt washing rapid-curing cutback method;
Testing procedure:
(1) sample cloth is cut into the batten of 20cm × 20cm, weighs and obtain its quality W;
(2) batten is immersed in the water 20min, makes its saturated water suction;
(3) batten is put into centrifuge, governing speed is 1000rpm, dehydration 30s, then weighs its quality W0;
(4) be hung on fixing shelf by the batten after dehydration, every 5min weighs and once obtains quality W5, W10, W15 ... Wn (Wn represents the quality of n-th minute sample), until Wn=W, terminates to weigh;
Calculate: moisture entrapment rate=(Wn-W)/(W0-W) × 100%.
5.SEM measuring frequency section
By SEM photo, observation fiber cross-sectional shapes, and calculate the height of groove, width and depth-width ratio.The height of groove refers to depth capacity, and width refers to Breadth Maximum.
Accompanying drawing explanation
Fig. 1 is the long stapled sectional view of water-absorbing fast-drying type of the present invention.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further illustrated.
Embodiment 1
By 80 wt% polyethylene terephthalate (PET) and 20 wt% solubility polyester slices respectively pre-crystallized, be dried to 100 below ppm, drop into each feed bin respectively, through the melting at 250 ~ 300 DEG C of temperature of each screw rod, its discharge-amount is controlled by independent measuring pump, by by the 8 blade profile composite spining modules of spinning manifold control temperature under about 290 DEG C of conditions, spin nascent composite fibre, under lateral blowing wind speed 40m/min condition, cooling curing is shaping, make the collection of filaments through evenly being oiled by fiber to oil nozzle and reduce friction again, oil addition is 1.0%.
The fiber that oil supply boundling is over is through spinning shaft, through pre-winding apparatus interlacing, entering the first hot-rolling 1HR(temperature is 80 DEG C), and be wound around 6 circles on the first hot-rolling after, again through the second hot-rolling 2HR, also enclose (temperature is 180 DEG C) at wound thereon 6, stretching ratio between the first hot-rolling and the second hot-rolling is 2.50, fiber after drawn carries out interlacing by main winding apparatus to it under the second hot-rolling, again by 2 roller (3GR, 4GR) fiber is introduced coiling machine and coil into finished product spinning cake (FDY), the coiling speed of coiling machine is 5000m/min, obtain composite fibre 100Den/36f.
In the solubility polyester slice more than used, the content of M-phthalic acid-5-sulfonate (SSIA) is 5 mol% relative to binary acid total amount, and polyethyleneglycol content is 15 wt% relative to alkali soluble copolymer polyester B component total amount, and molecular weight polyethylene glycol is 4000.
Above-mentioned fiber is carried out fabric making, and fabric is 1% in concentration, and bath raio is decrement 35 minutes in the NaOH solution of 150, and fabric reduction rate is 20%.
Observe fiber cross-sectional with SEM, fiber cross-sectional be 8 leaf shapes and fiber surface with continuous print groove, the number of groove is 8, and the height of groove is 2 μm ~ 6 μm, and width is 0.5 μm ~ 2 μm, and depth-width ratio is 1 ~ 12.
Record fabric and have water-absorbing fast-drying performance, test with Nippon Standard JISL 1907:2010 water absorbing properties of climbing, the height that liquid water rises is 80mm; Test its water-absorbing fast-drying with the Ke Kenfa (0.3ml water hangs dry) of Shanghai Ke Ken company, in 25 minutes, moisture entrapment rate is 0; Test the water-absorbing fast-drying after its washing by washing rapid-curing cutback method, when 30min, moisture entrapment rate is 0.Show good water-absorbing fast-drying performance.
Embodiment 2
By 80 wt% polyethylene terephthalate (PET) and 20 wt% solubility polyester slices respectively pre-crystallized, be dried to 100 below ppm, drop into each feed bin respectively, through the melting at 250 ~ 300 DEG C of temperature of each screw rod, its discharge-amount is controlled by independent measuring pump, by by the 8 blade profile composite spining modules of spinning manifold control temperature under about 290 DEG C of conditions, spin nascent composite fibre, under lateral blowing wind speed 40m/min condition, cooling curing is shaping, make the collection of filaments through evenly being oiled by fiber to oil nozzle and reduce friction again, oil addition is 1.0%.
The fiber that oil supply boundling is over is through spinning shaft, through pre-winding apparatus interlacing, entering the first hot-rolling 1HR(temperature is 80 DEG C), and be wound around 6 circles on the first hot-rolling after, again through the second hot-rolling 2HR, also enclose (temperature is 180 DEG C) at wound thereon 6, stretching ratio between the first hot-rolling and the second hot-rolling is 2.50, fiber after drawn carries out interlacing by main winding apparatus to it under the second hot-rolling, again by 2 roller (3GR, 4GR) fiber is introduced coiling machine and coil into finished product spinning cake (FDY), the coiling speed of coiling machine is 5000m/min, obtain composite fibre 100Den/48f.
In the solubility polyester slice more than used, the content of M-phthalic acid-5-sulfonate (SSIA) is 5 mol% relative to binary acid total amount, and polyethyleneglycol content is 15 wt% relative to alkali soluble copolymer polyester B component total amount, and molecular weight polyethylene glycol is 4000.
Above-mentioned fiber is carried out fabric making, and fabric is 1% in concentration, and bath raio is decrement 35 minutes in the NaOH solution of 150, and fabric reduction rate is 20%.
Observe fiber cross-sectional with SEM, fiber cross-sectional be 16 leaf shapes and fiber surface with continuous print groove, the number of groove is 8, and the height of groove is 2 μm ~ 6 μm, and width is 0.5 μm ~ 2 μm, and depth-width ratio is 1 ~ 12.
Record fabric and have water-absorbing fast-drying performance, test with Nippon Standard JISL 1907:2010 water absorbing properties of climbing, the height that liquid water rises is 82mm; Test its water-absorbing fast-drying with the Ke Kenfa (0.3ml water hangs dry) of Shanghai Ke Ken company, in 25 minutes, moisture entrapment rate is 0; Test the water-absorbing fast-drying after its washing by washing rapid-curing cutback method, when 30min, moisture entrapment rate is 0.Show good water-absorbing fast-drying performance.
Embodiment 3
Polyamide nylon 66 (PA 66) is cut into slices 70 parts be that the stripping property copolyester section 30 parts (molecular weight of copolymer polyethylene glycol 25wt%, 5-sodium sulfonate-ethylene isophthalate 1.5mol%, polyethylene glycol unit is 4000) of 30ppm is sent into respective screw extruder respectively through feed bin and carried out melting with section moisture, measured by measuring pump, sprayed by 8 Splittable composite spinnerets, cool, reel fibroblast, obtains 84T polyamide nylon 66 fiber.Spinning temperature 280 DEG C, spinning speed are 3000m/min, extension speed is 4300m/min.
Fiber obtains satin weave woven fabric through aft-loaded airfoil, the process such as to weave; Water-absorbing fast-drying fabric is obtained again through the molten process of alkali, electron microscope photo scanning (SEM observation) is done to fabric face, fiber cross-sectional be 8 leaf shapes and fiber surface with continuous print groove, the number of groove is 8, the height of groove is 2 μm ~ 6 μm, width is 0.5 μm ~ 2 μm, and depth-width ratio is 1 ~ 12.
Record fabric and have water-absorbing fast-drying performance, test with Nippon Standard JISL 1907:2010 water absorbing properties of climbing, the height that liquid water rises is 95mm; Test its water-absorbing fast-drying with the Ke Kenfa (0.3ml water hangs dry) of Shanghai Ke Ken company, in 25 minutes, moisture entrapment rate is 0; Test the water-absorbing fast-drying after its washing by washing rapid-curing cutback method, when 30min, moisture entrapment rate is 0.Show good water-absorbing fast-drying performance.
Embodiment 4
By stripping property copolyester section 15 parts (copolymer polyethylene glycol 25wt%, 5-sodium sulfonate-ethylene isophthalate 1.5mol% that polyamide nylon 6 (poly-(ε caprolactam)) section 85 parts and section moisture are 30ppm, molecular weight polyethylene glycol is 4000) send into respective screw extruder respectively through feed bin and carry out melting, measured by measuring pump, sprayed by 8 Splittable composite spinnerets, cool, reel fibroblast, obtains 56T polyamide nylon 6 fiber.Spinning temperature 270 DEG C, spinning speed are 3000m/min, extension speed is 4300m/min.
Fiber obtains satin weave woven fabric through aft-loaded airfoil, the process such as to weave; Water-absorbing fast-drying fabric is obtained again through the molten process of alkali, electron microscope photo scanning (SEM observation) is done to fabric face, fiber cross-sectional be 8 leaf shapes and fiber surface with continuous print groove, the number of groove is 8, the height of groove is 2 μm ~ 6 μm, width is 0.5 μm ~ 2 μm, and depth-width ratio is 1 ~ 12.
Record fabric and have water-absorbing fast-drying performance, test with Nippon Standard JISL 1907:2010 water absorbing properties of climbing, the height that liquid water rises is 95mm; Test its water-absorbing fast-drying with the Ke Kenfa (0.3ml water hangs dry) of Shanghai Ke Ken company, in 25 minutes, moisture entrapment rate is 0; Test the water-absorbing fast-drying after its washing by washing rapid-curing cutback method, when 30min, moisture entrapment rate is 0.Show good water-absorbing fast-drying performance.
Comparative example 1
By polyamide nylon 6 (poly-(ε caprolactam)) section 100 parts, send into screw extruder through feed bin and carry out melting, measured by measuring pump, sprayed by spinnerets, cool, reel fibroblast, obtains 56T polyamide nylon 6 fiber.Spinning temperature 270 DEG C, spinning speed are 3400m/min, extension speed is 4000m/min.Fiber obtains braided fabric through the process such as aft-loaded airfoil, establishment; Test with Nippon Standard JISL 1907:2010 water absorbing properties of climbing, the height that liquid water rises is 34mm, and the water-absorbing fast-drying impact of performance is lower.
Claims (10)
1. a water-absorbing fast-drying type long fiber, is characterized in that: fiber cross-sectional be leafy shape and fiber surface with continuous print groove, the number of described groove is 6 ~ 24, and the height of groove is 2 μm ~ 6 μm, and width is 0.5 μm ~ 2 μm, and depth-width ratio is 1 ~ 12.
2. water-absorbing fast-drying type long fiber according to claim 1, is characterized in that: the number of described groove is 8.
3. water-absorbing fast-drying type long fiber according to claim 1 and 2, is characterized in that: described fiber is polyamide fiber or polyester fiber.
4. water-absorbing fast-drying type long fiber according to claim 1 and 2, is characterized in that: the filament number of described fiber is 0.5 ~ 2.0dtex.
5. water-absorbing fast-drying type long fiber according to claim 1 and 2, is characterized in that: the strength and elongation long-pending >=15 of described fiber, boiling water shrinkage≤10%.
6. one kind contains the long stapled fabric of water-absorbing fast-drying type, it is characterized in that: in described fabric, at least contain a kind of water-absorbing fast-drying type long fiber, this fiber cross-sectional be leafy shape and fiber surface with continuous print groove, the number of described groove is 6 ~ 24, the height of groove is 2 μm ~ 6 μm, width is 0.5 μm ~ 2 μm, and depth-width ratio is 1 ~ 12.
7. the manufacture method containing the long stapled fabric of water-absorbing fast-drying type described in claim 6, is characterized in that: comprise following steps:
(1) bi-component composite spinning: A composition 50 ~ 90 weight portion of being cut into slices by fibre-forming polymer, to cut into slices B component 10 ~ 50 weight portion with soluble copolyester, by melting, composite spinneret ejection, spinning, batches, obtain water-absorbing fast-drying type composite long fiber;
(2) initial stage fabric is made: make the initial stage fabric at least containing water-absorbing fast-drying type composite long fiber;
(3) stripping process: initial stage fabric is carried out stripping process, remove soluble copolyester B component, obtain fabric, the long stapled section of water-absorbing fast-drying type in fabric is leafy section, and fiber surface is with continuous print groove, the number of described groove is 6 ~ 24, and the height of groove is 2 μm ~ 6 μm, width is 0.5 μm ~ 2 μm, and depth-width ratio is 1 ~ 12.
8. the manufacture method containing the long stapled fabric of water-absorbing fast-drying type according to claim 7, is characterized in that: fibre-forming polymer section A composition is polyamide or polyester.
9. the manufacture method containing the long stapled fabric of water-absorbing fast-drying type according to claim 7 or 8, it is characterized in that: soluble copolyester section B component, is formed by terephthalic acid (TPA), ethylene glycol and M-phthalic acid-5-sulfonate or the combined polymerization of isophthalic acid ester-5-sulfonate; Or formed by terephthalic acid (TPA), ethylene glycol, polyethylene glycol and M-phthalic acid-5-sulfonate or the combined polymerization of isophthalic acid ester-5-sulfonate.
10. the manufacture method containing the long stapled fabric of water-absorbing fast-drying type according to claim 9, it is characterized in that: in described soluble copolyester section B component, relative to binary acid total amount, the content of M-phthalic acid-5-sulfonate or isophthalic acid ester-5-sulfonate is 1 ~ 5mol%, relative to soluble copolyester B component total amount, polyethyleneglycol content is 1 ~ 20wt%, and molecular weight polyethylene glycol scope is 500 ~ 10000.
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