CN103668536A - Moisture-absorbing fiber and preparation method thereof - Google Patents
Moisture-absorbing fiber and preparation method thereof Download PDFInfo
- Publication number
- CN103668536A CN103668536A CN201210337110.8A CN201210337110A CN103668536A CN 103668536 A CN103668536 A CN 103668536A CN 201210337110 A CN201210337110 A CN 201210337110A CN 103668536 A CN103668536 A CN 103668536A
- Authority
- CN
- China
- Prior art keywords
- fiber
- moisture
- sodium carboxylate
- pyrrolidone sodium
- absorbing fibre
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention discloses a moisture-absorbing fiber. The fiber at least contains a thermoplastic polymer and pyrrolidone carboxylic acid-Na particles, wherein the content of the pyrrolidone carboxylic acid-Na in the fiber is 1-20%, and the fiber also contains functional inorganic particles. While the thermoplastic polymer is fed into a screw machine, the pyrrolidone carboxylic acid-Na and a master batch containing the inorganic particles are fed into a screw inlet respectively, then spinning is performed to obtain the moisture-absorbing fiber; and the moisture absorption rate of the fiber can reach 4-10%, and the fabric woven by the fibers has good comfort.
Description
Technical field
The present invention relates to a kind of moisture-absorbing fibre and manufacture method thereof.
Background technology
Polyester fiber and polyamide fiber are all welcome textile materials, representative as synthetic fiber, not only intensity is high, modulus is high for they, elasticity and light resistance good, and there is a good DIMENSIONAL STABILITY, flatiron after rivel lasting, but but its moisture pick-up properties than the very large deficiency of natural fabric.And the high-hygroscopicity material that absorbs moisture ability in garment industry to having has very large demand.The conventional high hygroscopic material that this field is known mainly can be divided into two large classes, wherein a class be take carbohydrate as main, starch for example, chitosan, the polysaccharide such as sodium alginate and carboxy methyl cellulose, this type of material is natural material, has good Biodegradable, but the fiber of this class natural material but has the defect of intensity relative deficiency; Another kind of for the macromolecule of chemical synthesis, polyester materials such as acrylates or vinyl alcohol, these synthetic materials have better hygroscopicity than aforesaid natural material, but its preparation method is complicated, and have the problems such as the residual poisonous monomer of possibility and alkali lye.
In order to obtain polyester or the polyamide fiber of high-hygroscopicity, some chemical modifications or physics change the method for fiber surface shape, are also repeatedly reported.Such as the design by profiled-cross-section makes to form between fiber gap and groove, or use superfine fibre to form fine concavo-convex phenomenon at fabric face, these are all to utilize capillarity to make moisture migrate to rapidly fabric face and disperse, thereby reach the object of moisture absorption pleasant sensation; The technology that also has plasma surface modification, the polymer surfaces activation of province produces free radical, thereby improves the surperficial hygroscopicity of fiber.
As the method for chemical modification, generally have and add methacrylate compound, polyether compound, M-phthalic acid-5-sulfonate etc. as the method for comonomer.But these class methods add comonomer in polymerization process, polymerization process is controlled difficulty and polymer performance is had to harmful effect, and cost is relatively high.
In Chinese patent CN200680043599.0, record a kind of can moisture absorption type polyester fiber, added sulfonate groups, make fiber obtain hygroscopicity, but the wettability power of sulfonate groups is limited, the wettability power of this fiber can not well be improved.
In Chinese patent CN201010522466.X, record a kind of can water imbibition anti-bacterial fibre, use upgrading polyglutamic acid segmented polymer to spin and obtain, although this fiber has good hygroscopicity, complex process, can not produce effectively in a large number.
Summary of the invention
The object of this invention is to provide a kind of moisture-absorbing fibre and manufacture method thereof.
In moisture-absorbing fibre of the present invention, at least contain thermoplastic polymer and pyrrolidone sodium carboxylate particle, the molecular formula of described pyrrolidone sodium carboxylate is shown below,
And in fiber, the content of pyrrolidone sodium carboxylate is 1～20%.
In moisture-absorbing fibre of the present invention, pyrrolidone sodium carboxylate has obtained good dispersion, and its particle diameter is 0.2～3 micron.
In moisture-absorbing fibre of the present invention, described thermoplastic polymer is preferably polyamide polymers or polyester polymer.That is to say the fibre-forming polymer from fiber, moisture-absorbing fibre of the present invention is preferably moisture absorption type polyester fiber or hygroscopicity polyamide fibre.Polyester polymer can be enumerated polyethylene terephthalate, polytrimethylene terephthalate, polybutylene terephthalate (PBT) and their modified copolymer etc.Polyamide polymers can be enumerated nylon 6, nylon 66 and their modified copolymer etc.
In moisture-absorbing fibre of the present invention, can only contain pyrrolidone sodium carboxylate particle, its content is 1～20% of fiber total amount, and surplus is thermoplastic polymer.Although now fiber only has moisture pick-up properties, the mechanical property of its fiber itself, such as intensity and percentage elongation etc. have all obtained good maintenance.
In moisture-absorbing fibre of the present invention, can be also, also have on the basis of pyrrolidone sodium carboxylate particle, the inorganic particulate that also to contain with respect to fiber total amount be 1～30%.Described inorganic particulate is the creeping chill additives such as antistatic behaviour additive, mineral powders such as antibiotic property additive, stephanoporate bamboo charcoal or aluminium oxide such as silver or silver-colored zinc series metal oxide.What can enumerate is zinc oxide, silver oxide, stephanoporate bamboo charcoal, Woelm Alumina, vermiculite, mica, kaolin, sepiolite, canbyite, bentonite, cronstedtite, dickite, nacrite, allophane, medium-sized rock, montmorillonite etc.In order to guarantee the most basic mechanical property of fiber, in fiber, the content of thermoplastic polymer is more than 50%.
Such fiber, has the good hygroscopic while, has also had performance antibacterial or smelly eliminating or contact coldness.
Moisture-absorbing fibre of the present invention has good moisture pick-up properties, and its moisture absorption rate variance is 4%～10%.
Moisture-absorbing fibre of the present invention, mainly by series methods manufacture, obtain: when thermoplastic polymer is fed to screw machine, by pyrrolidone sodium carboxylate with feed respectively the import of screw machine containing the master batch of inorganic particulate, spinning obtains moisture-absorbing fibre, and the addition of pyrrolidone sodium carboxylate is 1～20% of fiber total amount.
With respect to fiber total amount, the amount of inorganic particulate can be 0, and such fiber only has hygroscopicity.
With respect to fiber total amount, the amount of inorganic particulate can be also 1～30%, and such fiber not only has hygroscopicity, has also had performance antibacterial or smelly eliminating or contact coldness simultaneously.
The fabric that moisture-absorbing fibre spinning of the present invention obtains has good comfortableness, and its moisture absorption rate variance can reach 4～10% level.Than the hydroscopicity on market, do not reach 4% commodity and there is more excellent comfortableness.
Specifically, moisture absorption polyester fiber of the present invention, can adopt any known melt spinning method, and 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 makes.
The spinning process of one-step method is as described below:
By polymer chips at drying machine inner drying to moisture 100ppm, and drop into feed bin, pyrrolidone sodium carboxylate powder or liquid and the master batch that contains inorganic particulate add respectively at screw rod spout, section enters screw rod melting at 250～300 ℃ of temperature through feed bin, by measuring pump, control its discharge-amount, by controlled the filament spinning component of temperature under 250～300 ℃ of conditions by spinning manifold, spin as-spun fibre, cooling curing moulding under lateral blowing wind speed 15～40m/min condition, again through fiber evenly being oiled and makes the collection of filaments and reduce friction to oil nozzle, 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 ℃), and on the first hot-rolling, be wound around after 6～7 circles, again through the second hot-rolling 2HR, also be wound around 6～7 circles (temperature is 130～190 ℃) in the above, 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 to coiling machine and coiled into finished product spinning cake (DT), the coiling speed of coiling machine is 2000～5000m/min, preferred 3800～4500m/min.
The spinning process of two-step method is as described below:
By polymer chips at drying machine inner drying to moisture 100ppm, and drop into feed bin, pyrrolidone sodium carboxylate powder or liquid and the master batch that contains inorganic particulate add respectively at screw rod spout, section enters screw rod melting at 250～300 ℃ of temperature through feed bin, by measuring pump, control its discharge-amount, by controlled the filament spinning component of temperature under 250～300 ℃ of conditions by spinning manifold, spin as-spun fibre, cooling curing moulding under lateral blowing wind speed 15～40m/min condition, again through fiber evenly being oiled and makes the collection of filaments and reduce friction to oil nozzle, oil addition is 0.5～1.5%.
The fiber that oil supply boundling is over through spinning shaft, enters first roller (1GR), then batches and make preorientation fiber (UY/POY) through enter coiling machine after the second roller (2GR), and the coiling speed of coiling machine is 800～3500m/min.
Gained UY can, by following method, make and extend silk (DT).
The UY making is carried out to deep processing and make extension silk (DT): the pre-oriented yarn that above-mentioned steps is obtained is processed on elongator, process velocity is that 500～1000m/min, processing temperature are to carry out deep processing under 80～190 ℃, the extension ratio condition that is 1.20～4.00, makes and extends silk.
With gained, extend after silk is made volume thing or fabric and measure moisture absorption rate variance (Δ MR).The moisture absorption rate variance of fiber of the present invention can reach 4%～10%, has good moisture pick-up properties.
Owing to containing pyrrolidone sodium carboxylate particle in this fiber, there is good hygroscopicity.Use the fabric of this fibre spinning to have better comfortableness with respect to common hygroscopic fabric.And in this fiber, can also comprise inorganic particulate, more give the functions such as fibre antibacterial, smelly eliminating, contact coldness.Meanwhile, the applicable existing disclosed various melt spinning methods of the manufacture method of this fiber, and not containing heavy metal, belong to the green fiber that environment is safe from harm, can effectively produce in a large number.
The method of testing of the parameter relating in the present invention is as follows:
1. absorb-discharge humid parameter Δ MR(moisture absorption rate variance):
(1) choose 3 parts, the fabric sample of about 1g weight, be positioned in the measuring cup of known quality, put into the drying machine of 60 ℃, take down bottle cap, preparation is dry after 30 minutes, covers bottle cap measuring cup is taken out;
(2) measuring cup is put into the constant temperature and humidity machine of 20 ℃ * 65%RH environment, taken down bottle cap, balance, after 24 hours, covers bottle cap, takes out measuring cup, uses precision balance to weigh, claim the quality quality that deducts measuring cup be sample weight W1;
(3) measuring cup is put into the constant temperature and humidity machine of 30 ℃ * 90%RH environment, taken down bottle cap, balance, after 24 hours, covers bottle cap, takes out measuring cup, uses precision balance on the same stage to weigh, claim the quality quality that deducts measuring cup be sample weight W2;
(4) measuring cup is placed in the drying machine of 105 ℃, takes down bottle cap, dry after 2 hours, cover bottle cap and take out, and in drying basin normal temperature cooling after, use precision balance on the same stage to weigh, claim the quality quality that deducts measuring cup be sample weight W3;
(5) calculate:
MR1＝（W1－W3）/W3
MR2＝（W2－W3）/W3
Moisture absorption rate variance △ MR(%)=MR2-MR1, result is got the mean value of 3 samples.
2. the component content assay method in fiber:
Tester: nuclear magnetic resonance chemical analyser, elemental analyser;
Testing procedure: adopt standard GB/T/T 20376-2006 to measure thermoplastic elastic body burden in fiber.Adopt elemental analyser to measure the content of Na composition in fiber, thereby can converse the content of pyrrolidone sodium carboxylate in fiber.
3. the average mark shot footpath of pyrrolidone sodium carboxylate particle:
By scanning electron microscope sem or transmission electron microscope TEM, the surface of fiber and section are observed, obtained electronic image, then process by winrof software the average dispersion footpath that obtains pyrrolidone sodium carboxylate particle.
4. smelly eliminating assay method:
Bioassay standard: TRS 1089 A-01.
5. antibiotic property assay method:
Bioassay standard: JISL1902:2008.
6. contact coldness Qmax assay method:
Determining instrument: KES-7
Determination step: at certain area, store the heat of setting on the hot plate of certain mass, it just and after test portion Surface Contact, the heat of storage moves to the peak value of the heat flow of low-temperature test material.By calculating Qmax value.
The specific embodiment
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1:
Poliester chip is dried to below moisture 100ppm, pyrrolidone sodium carboxylate addition is the import of 1.0wt% feeding screw extruder, section enters screw extruder melting at 290 ℃ of temperature through feed bin, by measuring pump, control its discharge-amount, by controlled the filament spinning component of temperature under 290 ℃ of conditions by spinning manifold, spin as-spun fibre, cooling curing moulding under lateral blowing wind speed 20m/min condition, through fiber evenly being oiled and makes the collection of filaments and reduce friction to oil nozzle, oil addition is 0.9% again.The fiber that oil supply boundling is over is through spinning shaft, enter first roller (1GR), speed is 1500m/min, then after the second roller (2GR) through being 1500m/min around speed, enters coiling machine and batch and make without orientation fibers (UY), and the coiling speed of coiling machine is 1490m/min.
The UY fiber making is processing on extending, process velocity is that 800m/min, the first heat roller temperature are that 88 ℃, the second heat roller temperature are to carry out deep processing under 140 ℃, the extension ratio condition that is 2.05, make degree of stretching and reach 41.5%, intensity reaches 3.45dtex/cN, the polyester fiber that moisture absorption rate variance is 4.0%.In the present embodiment, in fiber, pyrrolidone sodium carboxylate particle diameter is 0.2～3 micron, and content is 1wt%, and structural formula is:
Embodiment 2:
By polyethylene terephthalate chip drying to moisture 100ppm, pyrrolidone sodium carboxylate addition is the import of 10wt% feeding screw extruder, with embodiment 1, carry out spinning deep processing, under the condition that is 2.40 at extension ratio, make degree of stretching and reach 40.5%, intensity reaches 2.84dtex/cN, the polyester fiber that moisture absorption rate variance is 8.0%.In the present embodiment, in fiber, pyrrolidone sodium carboxylate particle diameter is 0.2～3 micron, and content is 10wt%, and structural formula is with embodiment 1.
Embodiment 3
By polyethylene terephthalate chip drying to moisture 100ppm, pyrrolidone sodium carboxylate addition is the import of 20wt% feeding screw extruder, with embodiment 1, carry out spinning deep processing, under the condition that is 2.32 at extension ratio, make degree of stretching and reach 40.3%, intensity reaches 2.63dtex/cN, the polyester fiber that moisture absorption rate variance is 10.0%.In the present embodiment, in fiber, pyrrolidone sodium carboxylate particle diameter is 0.2～3 micron, and content is 20wt%, and structural formula is with embodiment 1.
Embodiment 4
Nylon 6 slice is dried to below moisture 100ppm, pyrrolidone sodium carboxylate addition is the import of 1.0wt% feeding screw extruder, remove extruder temperature and spinning body temperature and change to 255 ℃, in spinning process, a roller (1GR) speed becomes 850m/min, two rollers (2GR) speed becomes 850m/min, coiling speed becomes that 840m/min is outer carries out spinning deep processing with embodiment 1, under the condition that is 3.50 at extension ratio, make degree of stretching and reach 40.3%, intensity reaches 4.63dtex/cN, the nylon fiber that moisture absorption rate variance is 4.0%.In the present embodiment, in fiber, pyrrolidone sodium carboxylate particle diameter is 0.2～3 micron, and content is 1wt%, and structural formula is with embodiment 1.
Embodiment 5
Nylon 6 slice is dried to below moisture 100ppm, pyrrolidone sodium carboxylate addition is the import of 10wt% feeding screw extruder, with embodiment 4, carry out spinning deep processing, under the condition that is 2.90 at extension ratio, make degree of stretching and reach 41.2%, intensity reaches 4.12dtex/cN, the nylon fiber that moisture absorption rate variance is 8.0%.In the present embodiment, in fiber, pyrrolidone sodium carboxylate particle diameter is 0.2～3 micron, and content is 10wt%, and structural formula is with embodiment 1.
Embodiment 6
Nylon 66 slice is dried to below moisture 100ppm, pyrrolidone sodium carboxylate addition is the import of 20wt% feeding screw extruder, with embodiment 4, carry out spinning deep processing, under the condition that is 2.75 at extension ratio, make degree of stretching and reach 37.2%, intensity reaches 3.96dtex/cN, the nylon fiber that moisture absorption rate variance is 10.0%.In the present embodiment, in fiber, pyrrolidone sodium carboxylate particle diameter is 0.2～3 micron, and content is 20wt%, and structural formula is with embodiment 1.
Embodiment 7:
Poliester chip is dried to below moisture 100ppm, pyrrolidone sodium carboxylate addition is the import of 1.0wt% feeding screw extruder, section enters screw rod melting at 290 ℃ of temperature through feed bin, by measuring pump, control its discharge-amount, by controlled the filament spinning component of temperature under 290 ℃ of conditions by spinning manifold, spin as-spun fibre, cooling curing moulding under lateral blowing wind speed 20m/min condition, through fiber evenly being oiled and makes the collection of filaments and reduce friction to oil nozzle, oil addition is 0.9% again.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 88 ℃), and on the first hot-rolling, be wound around after 6 ~ 7 circles, again through the second hot-rolling 2HR, also be wound around 6 ~ 7 circles (temperature is 140 ℃) in the above, stretching ratio between the first hot-rolling and the second hot-rolling is 2.03, 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 to coiling machine and coiled into finished product spinning cake (DT), the coiling speed of coiling machine is 3500m/min, make degree of stretching and reach 40.6%, intensity reaches 3.36dtex/cN, moisture absorption rate variance is 4.0% polyester fiber.In the present embodiment, in fiber, pyrrolidone sodium carboxylate particle diameter is 0.2～3 micron, and content is 1wt%, and structural formula is with embodiment 1.
Embodiment 8:
Poliester chip is dried to below moisture 100ppm, pyrrolidone sodium carboxylate addition is the import of 10.0wt% feeding screw extruder, section enters screw rod melting at 290 ℃ of temperature through feed bin, by measuring pump, control its discharge-amount, by controlled the filament spinning component of temperature under 290 ℃ of conditions by spinning manifold, spin as-spun fibre, cooling curing moulding under lateral blowing wind speed 20m/min condition, through fiber evenly being oiled and makes the collection of filaments and reduce friction to oil nozzle, oil addition is 0.9% again.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 88 ℃), and on the first hot-rolling, be wound around after 6 ~ 7 circles, again through the second hot-rolling 2HR, also be wound around 6 ~ 7 circles (temperature is 140 ℃) in the above, stretching ratio between the first hot-rolling and the second hot-rolling is 1.72, 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 to coiling machine and coiled into finished product spinning cake (DT), the coiling speed of coiling machine is 3500m/min, make degree of stretching and reach 39.5%, intensity reaches 2.81dtex/cN, moisture absorption rate variance is 8.0% polyester fiber.In the present embodiment, in fiber, pyrrolidone sodium carboxylate particle diameter is 0.2～3 micron, and content is 10wt%, and structural formula is with embodiment 1.
Embodiment 9:
Poliester chip is dried to below moisture 100ppm, pyrrolidone sodium carboxylate addition is the import of 20.0wt% feeding screw extruder, section enters screw rod melting at 290 ℃ of temperature through feed bin, by measuring pump, control its discharge-amount, by controlled the filament spinning component of temperature under 290 ℃ of conditions by spinning manifold, spin as-spun fibre, cooling curing moulding under lateral blowing wind speed 20m/min condition, through fiber evenly being oiled and makes the collection of filaments and reduce friction to oil nozzle, oil addition is 0.9% again.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 88 ℃), and on the first hot-rolling, be wound around after 6 ~ 7 circles, again through the second hot-rolling 2HR, also be wound around 6 ~ 7 circles (temperature is 140 ℃) in the above, stretching ratio between the first hot-rolling and the second hot-rolling is 1.52, 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 to coiling machine and coiled into finished product spinning cake (DT), the coiling speed of coiling machine is 3500m/min, make degree of stretching and reach 37.3%, intensity reaches 2.64dtex/cN, moisture absorption rate variance is 10.0% polyester fiber.In the present embodiment, in fiber, pyrrolidone sodium carboxylate particle diameter is 0.2～3 micron, and content is 20wt%, and structural formula is with embodiment 1.
Embodiment 10:
Nylon 6 slice is dried to below moisture 100ppm, pyrrolidone sodium carboxylate addition is the import of 1.0wt% feeding screw extruder, section enters screw rod melting at 255 ℃ of temperature through feed bin, by measuring pump, control its discharge-amount, by controlled the filament spinning component of temperature under 255 ℃ of conditions by spinning manifold, spin as-spun fibre, cooling curing moulding under lateral blowing wind speed 20m/min condition, through fiber evenly being oiled and makes the collection of filaments and reduce friction to oil nozzle, oil addition is 0.9% again.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 room temperature), and on the first hot-rolling, be wound around after 6 ~ 7 circles, again through the second hot-rolling 2HR, also be wound around 6 ~ 7 circles (temperature is 160 ℃) in the above, stretching ratio between the first hot-rolling and the second hot-rolling is 1.70, 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 to coiling machine and coiled into finished product spinning cake (DT), the coiling speed of coiling machine is 4500m/min, make degree of stretching and reach 42.3%, intensity reaches 4.64dtex/cN, moisture absorption rate variance is 4.0% nylon fiber.In the present embodiment, in fiber, pyrrolidone sodium carboxylate particle diameter is 0.2～3 micron, and content is 1wt%, and structural formula is with embodiment 1.
Embodiment 11:
Nylon 66 slice is dried to below moisture 100ppm, pyrrolidone sodium carboxylate addition is the import of 10.0wt% feeding screw extruder, section enters screw rod melting at 255 ℃ of temperature through feed bin, by measuring pump, control its discharge-amount, by controlled the filament spinning component of temperature under 255 ℃ of conditions by spinning manifold, spin as-spun fibre, cooling curing moulding under lateral blowing wind speed 20m/min condition, through fiber evenly being oiled and makes the collection of filaments and reduce friction to oil nozzle, oil addition is 0.9% again.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 room temperature), and on the first hot-rolling, be wound around after 6 ~ 7 circles, again through the second hot-rolling 2HR, also be wound around 6 ~ 7 circles (temperature is 160 ℃) in the above, stretching ratio between the first hot-rolling and the second hot-rolling is 1.35, 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 to coiling machine and coiled into finished product spinning cake (DT), the coiling speed of coiling machine is 4500m/min, make degree of stretching and reach 36.3%, intensity reaches 3.92dtex/cN, moisture absorption rate variance is 8.0% nylon fiber.In the present embodiment, in fiber, pyrrolidone sodium carboxylate particle diameter is 0.2～3 micron, and content is 10wt%, and structural formula is with embodiment 1.
Embodiment 12:
Nylon 6 slice is dried to below moisture 100ppm, pyrrolidone sodium carboxylate addition is the import of 20.0wt% feeding screw extruder, section enters screw rod melting at 255 ℃ of temperature through feed bin, by measuring pump, control its discharge-amount, by controlled the filament spinning component of temperature under 255 ℃ of conditions by spinning manifold, spin as-spun fibre, cooling curing moulding under lateral blowing wind speed 20m/min condition, through fiber evenly being oiled and makes the collection of filaments and reduce friction to oil nozzle, oil addition is 0.9% again.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 room temperature), and on the first hot-rolling, be wound around after 6 ~ 7 circles, again through the second hot-rolling 2HR, also be wound around 6 ~ 7 circles (temperature is 160 ℃) in the above, stretching ratio between the first hot-rolling and the second hot-rolling is 1.25, 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 to coiling machine and coiled into finished product spinning cake (DT), the coiling speed of coiling machine is 4500m/min, make degree of stretching and reach 35.6%, intensity reaches 3.72dtex/cN, moisture absorption rate variance is 10.0% nylon fiber.In the present embodiment, in fiber, pyrrolidone sodium carboxylate particle diameter is 0.2～3 micron, and content is 20wt%, and structural formula is with embodiment 1.
Embodiment 13:
By polyethylene terephthalate section and containing the polyester master particle of silver oxide, be dried to below moisture 100ppm, pyrrolidone sodium carboxylate addition is the import of 1wt% feeding screw extruder, silver oxide master batch and poliester chip carry out blend, with embodiment 1, carry out spinning deep processing, under the condition that is 2.55 at extension ratio, make degree of stretching and reach 37.8%, intensity reaches 3.47dtex/cN, moisture absorption rate variance is 4.0%, and antibiotic property reaches 2.5 antibacterial polyester fibre.In the present embodiment, in fiber, pyrrolidone sodium carboxylate particle diameter is 0.2～3 micron, and content is 1wt%, and structural formula is with embodiment 1; In fiber, silver oxide content is 5wt%.
Embodiment 14:
The master batch of polyethylene terephthalate being cut into slices and containing stephanoporate bamboo charcoal is dried to below moisture 100ppm, pyrrolidone sodium carboxylate addition is the import of 1wt% feeding screw extruder, stephanoporate bamboo charcoal master batch and poliester chip carry out blend, with embodiment 1, carry out spinning deep processing, under the condition that is 2.65 at extension ratio, make degree of stretching and reach 33.2%, intensity reaches 3.53dtex/cN, moisture absorption rate variance is 4.0%, and ammonia smelly eliminating rate reaches 95% smelly eliminating polyester fiber.In the present embodiment, in fiber, pyrrolidone sodium carboxylate particle diameter is 0.2～3 micron, and content is 1wt%, and structural formula is with embodiment 1; In fiber, stephanoporate bamboo charcoal content is 5wt%.
Embodiment 15:
The master batch of polyethylene terephthalate being cut into slices and containing mica is dried to below moisture 100ppm, pyrrolidone sodium carboxylate addition is the import of 1wt% feeding screw extruder, mica master batch and poliester chip carry out blend, with embodiment 1, carry out spinning deep processing, under the condition that is 2.35 at extension ratio, make degree of stretching and reach 31.2%, intensity reaches 3.33dtex/cN, moisture absorption rate variance is that 4.0%, Qmax value is 0.170W/cm
2creeping chill polyester fiber.In the present embodiment, in fiber, pyrrolidone sodium carboxylate particle diameter is 0.2～3 micron, and content is 1wt%, and structural formula is with embodiment 1; In fiber, mica content is 5wt%.
Comparative example 1:
When the addition of pyrrolidone sodium carboxylate is 0.5wt%, use the degree of stretching of the spinning process system of embodiment 1 to reach 39.4%, intensity reaches 3.53dtex/cN, the polyester fiber that moisture absorption rate variance is 1.3%.Moisture absorption rate variance does not reach 4%, and fabric does not have excellent comfortableness.
Comparative example 2:
When the addition of pyrrolidone sodium carboxylate is 25.0wt%, use the degree of stretching of the spinning process system of embodiment 1 to reach 25.3%, intensity reaches 1.91dtex/cN, the polyester fiber that moisture absorption rate variance is 12.0%.Strength and elongation does not reach polyester fiber and carries out textile requirement.
Comparative example 3:
When the addition of pyrrolidone sodium carboxylate is 0.5wt%, use the degree of stretching of the spinning process system of embodiment 5 to reach 39.4%, intensity reaches 4.73dtex/cN, the nylon fiber that moisture absorption rate variance is 2.7%.Moisture absorption rate variance does not reach 4%, and fabric does not have excellent comfortableness.
Comparative example 4:
When the addition of pyrrolidone sodium carboxylate is 25.0wt%, use the degree of stretching of the spinning process system of embodiment 5 to reach 29.8%, intensity reaches 3.1dtex/cN, the nylon fiber that moisture absorption rate variance is 11.9%.Strength and elongation does not reach nylon fiber and carries out textile requirement.
Claims (10)
1. a moisture-absorbing fibre, is characterized in that: in this fiber, at least contain thermoplastic polymer and pyrrolidone sodium carboxylate particle, the molecular formula of described pyrrolidone sodium carboxylate is shown below,
，
And in fiber, the content of pyrrolidone sodium carboxylate is 1～20%.
2. moisture absorption type polyester fiber according to claim 1, is characterized in that, the particle diameter of described pyrrolidone sodium carboxylate particle is 0.2～3 micron.
3. moisture-absorbing fibre according to claim 1 and 2, is characterized in that, described thermoplastic polymer is polyamide polymers or polyester polymer.
4. moisture-absorbing fibre according to claim 1 and 2, is characterized in that, in described fiber, the content of pyrrolidone sodium carboxylate is 1～20%, and surplus is thermoplastic polymer.
5. moisture-absorbing fibre according to claim 1 and 2, is characterized in that, the inorganic particulate that also to contain with respect to fiber total amount in described fiber be 1～30%.
6. moisture-absorbing fibre according to claim 5, is characterized in that, described inorganic particulate is that silver or silver-colored zinc are oxide, stephanoporate bamboo charcoal, aluminium oxide or mineral powder.
7. moisture-absorbing fibre according to claim 6, is characterized in that, in described fiber, the content of thermoplastic polymer is more than 50%.
8. moisture-absorbing fibre according to claim 1 and 2, is characterized in that, the moisture absorption rate variance of described moisture-absorbing fibre is 4%～10%.
9. the manufacture method of a moisture-absorbing fibre claimed in claim 1, it is characterized in that, when thermoplastic polymer is fed to screw extruder, by pyrrolidone sodium carboxylate powder with containing the master batch of inorganic particulate, feed respectively screw extruding import, spinning obtains moisture-absorbing fibre, and the addition of pyrrolidone sodium carboxylate is 1～20% of fiber total amount.
10. according to the manufacture method of the moisture absorption polyester fiber described in claim 9, it is characterized in that, with respect to fiber total amount, the amount of inorganic particulate is 0 or 1～30%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210337110.8A CN103668536A (en) | 2012-09-13 | 2012-09-13 | Moisture-absorbing fiber and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210337110.8A CN103668536A (en) | 2012-09-13 | 2012-09-13 | Moisture-absorbing fiber and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103668536A true CN103668536A (en) | 2014-03-26 |
Family
ID=50307286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210337110.8A Pending CN103668536A (en) | 2012-09-13 | 2012-09-13 | Moisture-absorbing fiber and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103668536A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016079724A2 (en) | 2016-04-04 | 2016-05-26 | Rhodia Poliamida E Especialidades Ltda | Biodegradable polyamide fiber, process for obtaining such fiber and polyamide article made therefrom |
| CN106400197A (en) * | 2016-08-31 | 2017-02-15 | 浙江盛元化纤有限公司 | Making method of comfortable polyester filament |
| CN107614765A (en) * | 2015-05-22 | 2018-01-19 | 东丽株式会社 | Hygroscopicity core sheath composite filament and its manufacture method |
| CN108517602A (en) * | 2018-02-10 | 2018-09-11 | 海盐县硕创服装研究所 | A kind of cloth based on bamboo charcoal |
-
2012
- 2012-09-13 CN CN201210337110.8A patent/CN103668536A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107614765A (en) * | 2015-05-22 | 2018-01-19 | 东丽株式会社 | Hygroscopicity core sheath composite filament and its manufacture method |
| CN107614765B (en) * | 2015-05-22 | 2020-04-03 | 东丽株式会社 | Hygroscopic core-sheath composite yarn and method for producing same |
| WO2016079724A2 (en) | 2016-04-04 | 2016-05-26 | Rhodia Poliamida E Especialidades Ltda | Biodegradable polyamide fiber, process for obtaining such fiber and polyamide article made therefrom |
| KR20180123578A (en) * | 2016-04-04 | 2018-11-16 | 로디아 폴리아미다 이 에스페시아리다데스 에스.에이. | Biodegradable polyamide fibers, methods for obtaining such fibers, and polyamide articles prepared therefrom |
| CN109072490A (en) * | 2016-04-04 | 2018-12-21 | 罗地亚聚酰胺特殊品公司 | Biodegradable Fypro, the polyamide article for obtaining the method for such fiber and being made from it |
| JP2019513911A (en) * | 2016-04-04 | 2019-05-30 | ローディア ポリアミダ エ エスペシアリダデス エス．アー． | Biodegradable polyamide fibers, process for obtaining such fibers, and polyamide articles made therefrom |
| EP3440243B1 (en) | 2016-04-04 | 2022-06-22 | Rhodia Poliamida e Especialidades S.A. | Biodegradable polyamide fiber, process for obtaining such fiber and polyamide article made therefrom |
| KR102609367B1 (en) * | 2016-04-04 | 2023-12-05 | 로디아 브라질 에스.에이. | Biodegradable polyamide fibers, methods for obtaining such fibers and polyamide articles made therefrom |
| CN106400197A (en) * | 2016-08-31 | 2017-02-15 | 浙江盛元化纤有限公司 | Making method of comfortable polyester filament |
| CN108517602A (en) * | 2018-02-10 | 2018-09-11 | 海盐县硕创服装研究所 | A kind of cloth based on bamboo charcoal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6037057A (en) | Sheath-core polyester fiber including an antimicrobial agent | |
| CN101747624B (en) | Hygroscopic fine denier/superfine denier nylon masterbatch, nylon and preparation method thereof | |
| CN102877143B (en) | Preparation technology and preparation equipment for high-imitation cotton porous superfine profiled polyester fiber | |
| CN101735608B (en) | Hydroscopic fine denier/superfine denier chinlon master batch, chinlon POY filaments and preparation method thereof | |
| WO1990009736A1 (en) | Antibacterial or conductive composition and applications thereof | |
| CN100350084C (en) | High-speed blended fiber-spinning process of nano composite antibacterial dacron POY | |
| CN103668536A (en) | Moisture-absorbing fiber and preparation method thereof | |
| CN105544000B (en) | High-temperature oxidation resistant composite Nano PPS/Ti SiOx chopped fibers and preparation method thereof | |
| JP6523454B2 (en) | Process for producing functional yarn having deodorizing property and sweat-absorbing quick-drying property | |
| CN112853521B (en) | Production method of anti-static POY (polyester pre-oriented yarn) | |
| CN103882550B (en) | Coldness sense polyamide fiber | |
| CN104480556A (en) | Production process of high-speed spinning type potential crinkled polyester filament yarns | |
| KR102338025B1 (en) | Hollow polyester long fiber and manufacturing method thereof | |
| CN105401252B (en) | A kind of preparation method of Flame Retardant PET Fibres | |
| CN104480555A (en) | Production process of high-elasticity-feature terylene pre-oriented fibers | |
| CN109123821A (en) | A kind of hydroscopic sweat-eliminating polyester fiber panty hose | |
| CN115028968A (en) | Antibacterial functional master batch, preparation method thereof, antibacterial polyester fiber and fabric | |
| CN102877155B (en) | High-simulated-cotton porous superfine-denier polyester fiber and preparation method thereof and preparation equipment | |
| CN110820079A (en) | Preparation method of nano-doped polyamide parallel elastic composite fiber | |
| CN102031587A (en) | Antistatic fiber and production method thereof | |
| CN104562250B (en) | Porous micro-fine denier nylon 6 triisofiber and preparation method and application thereof | |
| CN104451919B (en) | A kind of production technology of the orderly terylene slub silk of isotactic | |
| CN111607964A (en) | Preparation process of high-water-absorption anti-static fabric | |
| CN111472064A (en) | High-hydroscopicity antistatic synthetic fiber fabric | |
| CN112127002A (en) | Polyester fiber containing plant functional porous molecular nest and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140326 |