CN102677215B - Antibacterial moisture-transfer chinlon 6 and preparation method thereof - Google Patents
Antibacterial moisture-transfer chinlon 6 and preparation method thereof Download PDFInfo
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Abstract
The invention discloses antibacterial moisture-transfer chinlon 6 comprising antibacterial master batches, polyamide 6 chips and calcium stearate, wherein the weight ratio of the antibacterial master batches to the polyamide 6 chips to the calcium stearate is (7-10) to (95-100) to (0.1-0.3). The antibacterial moisture-transfer chinlon 6 provided by the invention adopts nano porous bergmeal to carry cuprous oxide and has the characteristic of high copper ion carrying capacity, thereby not only saving the production cost and reducing the content of inorganic particles in melt, but also improving the stability of the spinning process; the antibacterial moisture-transfer chinlon 6 is scientific and reasonable in component proportion and can resist various bacteria, thereby having the advantages that the antibacterial range is high and the antibacterial ratio is above 99 the antibacterial moisture-transfer chinlon 6 has excellent moisture absorption and sweat discharging functions and a wide application range; and the operability of a preparation method is strong, the process is reasonable, the production efficiency is high, and industrialized production can be realized.
Description
Technical field
The present invention relates to a kind of nylon fibre, relate in particular to a kind of antibacterial humidity-guide polyamide fibre 6 and preparation method thereof.
Background technology
Advantages such as polyamide fibre 6 is low with its initial modulus, resilience good, drapability good, easy dyeing are widely used in field of textiles.Entered since 21 century, because various novel epiphytotics spreading and growth in the living standard, people especially pay close attention to the hygienic issues of self, and the demand of antiseptic and antibiotic clothes, antibacterial medical textiles is urgent.The moisture absorbing and sweat releasing performance of common polyamide fibre 6 the good of cotton that be far from, but the raw material ratio cotton of polyamide fibre 6 is cheap, also is imperative so exploitation has the polyamide fibre 6 of moisture absorption sweat discharging functions.
Introduce the monomer that contains antibiotic functional group by copolymerization in the polyamide 6, as guanidine radicals, sulfonic group, quaternary ammonium group, obtain antibiotic high molecular polymer, again antibiotic high polymer spinning can be obtained antibacterial nylon 6, the antibacterial effect of the antibacterial nylon 6 that obtains is lasting, but antibiotic narrow, antibiotic rate is low.By the master batch spin processes, resistant to elevated temperatures antiseptic is made antibacterial matrices, mix with polyamide 6 section again, also can make antibacterial nylon 6 through melt spinning.Can make polyamide fibre 6 surface absorption antiseptics, but antibiotic rate can reduce along with washing by the organic antiseptic of admixture in the oil supply dewing link of spinning process, antibiotic property is not lasting yet.Also can adopt finishing method, solution or resin that utilization contains antiseptic flood, pad or coating processing fabric, bake by high temperature again or additive method when evaporation, will precipitate the insoluble or sl. sol. antiseptic of one deck on the fabric, thereby make fabric obtain anti-microbial property.The organic class antiseptic of the general employing of finishing method, organic class antiseptic commonly used has quaternary ammonium salt, diphenyl ether, halide class, isothiazole class, organic metal compounds etc.Generally handle in dyeing and finishing processing final stage, also can make finished product with post processing.
The master batch spin processes prepares antibacterial nylon 6, can the organic antiseptic of admixture, and contain the polymer of guanidine radicals or guanidine radicals hydrochloride as admixture, but mainly be to make antibacterial matrices by the inorganic antiseptic of admixture.Inorganic antiseptic is divided into photocatalysis antibacterial agent and metal antibacterial agent, and the photocatalysis antibacterial agent is that nano inoganic particle absorbs ultraviolet energy and produces and have electronics and hole and the free radical of oxidation, reducing power, thereby reaches antibiotic performance.The photocatalysis antibacterial agent is subjected to the restriction of ultraviolet condition, and antibiotic rate generally is lower than 90%, and electronics and hole that nano particle produces can be damaged to some extent to material.The metal antibacterial agent mainly is the metal with sterilizing ability is loaded on the inorganic particulate and to obtain.
The agent of obvious results metal antibacterial has carries inorganic particulate silver-colored, copper-loaded, year zinc, the polyamide 6 that obtains antibiotic wide, antibiotic rate is high, antibiotic property is lasting.Patent CN101195930A discloses a kind of basic zirconium phosphate particle and spinning that admixture carries silver in polyamide 6 section, and to have obtained antibiotic rate be 99% antimicrobial polyamide 6 fibre.Patent CN101705527A discloses a kind of zinc oxide particle and spinning that admixture carries silver in polyamide 6 section and has obtained antibiotic rate and reach antibacterial nylon 6 more than 99%.Patent CN100453595C disclose a kind of in polyamide 6 section admixture carry the Titanium particles of silver, copper, zinc and spin and obtained antibacterial nylon 6, press FZ/T01021-92 standard testing fiber, bacteriostasis rate reaches more than 90%.Patent CN101720787A disclose a kind of in polyamide 6 section admixture carry basic zirconium phosphate, the titanium dioxide of silver, the mixed powder of silica, spinning has obtained antibacterial nylon 6.But the ability of above-mentioned inorganic particulate load antibacterial metal element is all limited, the percentage that the antibacterial metal element accounts for inorganic particulate all is lower than 5%, if can improve inorganic particulate to the load capacity of antibiotic metallic element, to the saving of cost and the content that reduces the inorganic particulate in the melt, the stability that promotes spinning process is all benefited.
Summary of the invention
The present invention is just in order to overcome above-mentioned deficiency, and technical problem to be solved provides strong, antibiotic wide, the antibiotic rate of a kind of metallic element load capacity and is higher than 99% and have an antibacterial humidity-guide polyamide fibre 6 of good moisture absorption sweat discharging functions.
The technical problem that the present invention also will solve provides the preparation method of above-mentioned antibacterial humidity-guide polyamide fibre 6.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is as follows:
A kind of antibacterial humidity-guide polyamide fibre 6, this antibacterial humidity-guide polyamide fibre 6 is made up of antibacterial matrices, polyamide 6 section and calcium stearate, and the weight ratio between each component is antibacterial matrices: polyamide 6 section: calcium stearate=7-10:95-100:0.1-0.3.
Described antibacterial matrices is made by the component blend of following portions by weight:
Polyamide 6 section 85-90 part
Antimicrobial powder 10-15 part
Calcium stearate 0.3-0.6 part
Zinc stearate 0.3-0.6 part
Antioxidant 1010 0.3-0.6 part
Antioxidant 168 0.3-0.6 parts.
Described antimicrobial powder adopts following method to make: count by weight, be that the nanoporous diatomite of 200-500nm places 1000 parts of saturated stannous chloride aqueous solution with 0.7-2.0 part particle diameter, ultrasonicly while stirring after disperseing to mix, left standstill 8-12 hour, the sodium hydroxide solution that adds 6.0-6.2 part 4.0g/L more while stirring, filter then, solid constituent is placed 40 ℃-60 ℃, keep obtaining in 8-10 hour dry powder under the vacuum 2000-3000Pa condition, namely get antimicrobial powder through grinding.
The described saturated stannous chloride aqueous solution adopts following method to make: deionized water heating is boiled or feeds nitrogen and remove after the oxygen in anhydrating, add stannous chloride again and make saturated cuprous chloride solution.
The preparation method of above-mentioned antibacterial humidity-guide polyamide fibre 6 comprises the steps:
(1) counts by weight, be that the nanoporous diatomite of 200-500nm places 1000 parts of saturated stannous chloride aqueous solution with 0.7-2.0 part particle diameter, ultrasonicly while stirring after disperseing to mix, left standstill 8-12 hour, the sodium hydroxide solution that adds 6.0-6.2 part 4.0g/L-4.2g/L more while stirring, filter then, taking precipitate places 40 ℃-60 ℃, keeps obtaining in 8-10 hour dry powder under the vacuum 2000-3000Pa condition, namely gets antimicrobial powder through grinding;
(2) antimicrobial powder, calcium stearate, zinc stearate, antioxidant 1010 and the antioxidant 168 of gained in polyamide 6 section, the step (1) are pressed the parts by weight mixing and stirring described in the claim 2, pass through screw extruder blend melt extrusion then, granulation obtains antibacterial matrices after 20～35 ℃ of coolings of cold water, wherein, the screw slenderness ratio of screw extruder is 28-30, blending temperature is 180-250 ℃, and head pressure is 2.0-3.5MPa;
(3) with antibacterial matrices, polyamide 6 section and the calcium stearate 7-10:95-100:0.1-0.3 blend by weight ratio that makes in the step (2), carry out melt spinning after stirring and obtain antibacterial humidity-guide polyamide fibre 6.
Wherein, the method step of melt spinning is described in the above-mentioned steps (3):
(a) mixed material that stirs is sent in the spinning machine hopper, pushed, be melt into melt through screw rod, wherein, screw diameter is 80mm-120mm, and screw slenderness ratio is 25-30, and blending temperature is 180 ℃-275 ℃, and head pressure is 10.0 – 15.0MPa;
(b) with the melt distributing pipe distribution arrival nozzle block of melt by spinning manifold, wherein, spinning body temperature and head temperature differ in 10 ℃;
(c) melt that will arrive nozzle block passes through screen pack, distribution plate successively, becomes filament by spinnerets then;
(d) filament that will come out from spinnerets is through the slinning cabinet cooling of drying, and wherein, wind-warm syndrome is 18 ℃-22 ℃, and wind speed is 0.3m/min-0.5m/min, and the air humidity of wind is 80%-85%;
(e) with the filament boundling, after going up wet oiling, stretch by first group of godet roller and second group of godet roller successively, wherein, the temperature of first group of godet roller is 70 ℃-90 ℃, speed is 2000m/min-3000m/min, and the temperature of second group of godet roller is 130 ℃-150 ℃, and speed is 4100-4400m/min;
(f) stretched filament is namely got antibacterial humidity-guide polyamide fibre 6 of the present invention through interlacing, coiling, wherein winding speed is than the fast low 40-80m/min of the second roller roller.
Wherein, the spinneret orifice of spinnerets is profiled-cross-section described in the above-mentioned steps (c), and this profiled-cross-section is T-shape, " Y " type, cross or five blade profiles.
Beneficial effect: antibacterial humidity-guide polyamide fibre 6 provided by the invention, adopt nanoporous diatom soil load cuprous oxide, have the strong characteristics of load copper ion ability, not only save production cost, reduce the content of the inorganic particulate in the melt, promoted the stability of spinning process simultaneously; Each set of dispense can resist various bacteria than scientific and reasonable, has antibiotic wide, antibiotic rate and is higher than advantage such as 99%; Have good moisture absorption sweat discharging functions, the scope of application is extensive; The preparation method is workable, and technology is reasonable, and the production efficiency height can be realized industrialized production.
The specific embodiment:
Embodiment 1:
A kind of antibacterial humidity-guide polyamide fibre 6, this antibacterial humidity-guide polyamide fibre 6 is made up of antibacterial matrices, polyamide 6 section and calcium stearate, and the weight ratio between each component is antibacterial matrices: polyamide 6 section: calcium stearate=8.5:97.5:0.2.
Described antibacterial matrices is made by the blend of following weight component:
Polyamide 6 section 87.5 kg
Antimicrobial powder 12.5 kg
Calcium stearate 0.45 kg
Zinc stearate 0.45 kg
Antioxidant 1010 0.45 kg
Antioxidant 168 0.45 kg.
The preparation method of above-mentioned antibacterial humidity-guide polyamide fibre 6 comprises the steps:
(1) at first deionized water heating is boiled or feeds nitrogen and remove after the oxygen in anhydrating, add stannous chloride again and make saturated cuprous chloride solution.Count by weight, be that the nanoporous diatomite of 200-500nm places the saturated stannous chloride aqueous solution of 1000 kg with 13.5 kg particle diameters, ultrasonicly while stirring after disperseing to mix, left standstill 10 hours, the sodium hydroxide solution that adds 6.1 kg 4.1g/L more while stirring, filter then, solid constituent is placed 40 ℃-60 ℃, keep obtaining in 9 hours dry powder under the vacuum 2000-3000Pa condition, namely get antimicrobial powder through grinding;
(2) by the formula ratio of above-mentioned antibacterial matrices, antimicrobial powder, 0.45 kg calcium stearate, 0.45 kg zinc stearate, 0.45 kg antioxidant 1010 and the 0.45 kg antioxidant 168 of gained in the 87.5 kg polyamide 6 sections, 12.5 kg steps (1) mixed and stir, pass through screw extruder blend melt extrusion then, granulation obtains antibacterial matrices after 20～35 ℃ of coolings of cold water, wherein, the screw slenderness ratio of screw extruder is 29, blending temperature is 180-250 ℃, and head pressure is 2.0-3.5MPa;
(3) with antibacterial matrices, polyamide 6 section and the calcium stearate 8.5:97.5:0.2 blend by weight ratio that makes in the step (2), carry out melt spinning after stirring and obtain antibacterial humidity-guide polyamide fibre 6, the method step of this melt spinning is:
(a), the mixed material that stirs is sent in the spinning machine hopper, through the screw rod extruding, be melt into melt, wherein, screw diameter is 100mm, and screw slenderness ratio is 28, and blending temperature is 210 ℃-240 ℃, and head pressure is 10.0 – 15.0MPa;
(b) with the melt distributing pipe distribution arrival nozzle block of melt by spinning manifold, wherein, spinning body temperature and head temperature differ in 10 ℃;
(c) melt that will arrive nozzle block passes through screen pack, distribution plate successively, becomes filament by spinnerets then, and the spinneret orifice of described spinnerets is profiled-cross-section, and this profiled-cross-section is T-shape;
(d) filament that will come out from spinnerets is through the slinning cabinet cooling of drying, and wherein, wind-warm syndrome is 18 ℃-22 ℃, and wind speed is 0.3m/min-0.5m/min, and the air humidity of wind is 80%-85%;
(e) with the filament boundling, after going up wet oiling, stretch by first group of godet roller and second group of godet roller successively, wherein, the temperature of first group of godet roller is 70 ℃-90 ℃, speed is 2000m/min-3000m/min, and the temperature of second group of godet roller is 130 ℃-150 ℃, and speed is 4100-4400m/min;
(f) stretched filament is namely got antibacterial humidity-guide polyamide fibre 6 of the present invention through interlacing, coiling, wherein winding speed is than the fast low 40-80m/min of the second roller roller.
Embodiment 2:
A kind of antibacterial humidity-guide polyamide fibre 6, this antibacterial humidity-guide polyamide fibre 6 is made up of antibacterial matrices, polyamide 6 section and calcium stearate, and the weight ratio between each component is antibacterial matrices: polyamide 6 section: calcium stearate=7:95:0.1.
Described antibacterial matrices is made by the blend of following weight component:
Polyamide 6 section 85 kg
Antimicrobial powder 10 kg
Calcium stearate 0.3 kg
Zinc stearate 0.3 kg
Antioxidant 1010 0.3 kg
Antioxidant 168 0.3 kg.
The preparation method of above-mentioned antibacterial humidity-guide polyamide fibre 6 comprises the steps:
(1) at first deionized water heating is boiled or feeds nitrogen and remove after the oxygen in anhydrating, add stannous chloride again and make saturated cuprous chloride solution.Count by weight, be that the nanoporous diatomite of 200-500nm places the saturated stannous chloride aqueous solution of 1000 kg with 0.7 kg particle diameter, ultrasonicly while stirring after disperseing to mix, left standstill 8 hours, the sodium hydroxide solution that adds 6.0 kg 4.0g/L more while stirring, filter then, solid constituent is placed 40 ℃-60 ℃, keep obtaining in 8 hours dry powder under the vacuum 2000-3000Pa condition, namely get antimicrobial powder through grinding;
(2) by the formula ratio of above-mentioned antibacterial matrices, antimicrobial powder, 0.3 kg calcium stearate, 0.3 kg zinc stearate, 0.3 kg antioxidant 1010 and the 0.3 kg antioxidant 168 of gained in the 85 kg polyamide 6 sections, 10 kg steps (1) mixed and stir, pass through screw extruder blend melt extrusion then, granulation obtains antibacterial matrices after 20～35 ℃ of coolings of cold water, wherein, the screw slenderness ratio of screw extruder is 28, blending temperature is 180-250 ℃, and head pressure is 2.0-3.5MPa;
(3) with antibacterial matrices, polyamide 6 section and the calcium stearate 7:95:0.1 blend by weight ratio that makes in the step (2), carry out melt spinning after stirring and obtain antibacterial humidity-guide polyamide fibre 6, the method step of this melt spinning is:
(a), the mixed material that stirs is sent in the spinning machine hopper, through the screw rod extruding, be melt into melt, wherein, screw diameter is 80mm, and screw slenderness ratio is 25, and blending temperature is 180 ℃-210 ℃, and head pressure is 10.0 – 15.0MPa;
(b) with the melt distributing pipe distribution arrival nozzle block of melt by spinning manifold, wherein, spinning body temperature and head temperature differ in 10 ℃;
(c) melt that will arrive nozzle block passes through screen pack, distribution plate successively, becomes filament by spinnerets then, and the spinneret orifice of described spinnerets is profiled-cross-section, and this profiled-cross-section is " Y " type;
(d) filament that will come out from spinnerets is through the slinning cabinet cooling of drying, and wherein, wind-warm syndrome is 18 ℃-22 ℃, and wind speed is 0.3m/min-0.5m/min, and the air humidity of wind is 80%-85%;
(e) with the filament boundling, after going up wet oiling, stretch by first group of godet roller and second group of godet roller successively, wherein, the temperature of first group of godet roller is 70 ℃-90 ℃, speed is 2000m/min-3000m/min, and the temperature of second group of godet roller is 130 ℃-150 ℃, and speed is 4100-4400m/min;
(f) stretched filament is namely got antibacterial humidity-guide polyamide fibre 6 of the present invention through interlacing, coiling, wherein winding speed is than the fast low 40-80m/min of the second roller roller.
Embodiment 3:
A kind of antibacterial humidity-guide polyamide fibre 6, this antibacterial humidity-guide polyamide fibre 6 is made up of antibacterial matrices, polyamide 6 section and calcium stearate, and the weight ratio between each component is antibacterial matrices: polyamide 6 section: calcium stearate=10:100:0.3.
Described antibacterial matrices is made by the blend of following weight component:
Polyamide 6 section 90 kg
Antimicrobial powder 15 kg
Calcium stearate 0.6 kg
Zinc stearate 0.6 kg
Antioxidant 1010 0.6 kg
Antioxidant 168 0.6 kg.
The preparation method of above-mentioned antibacterial humidity-guide polyamide fibre 6 comprises the steps:
(1) at first deionized water heating is boiled or feeds nitrogen and remove after the oxygen in anhydrating, add stannous chloride again and make saturated cuprous chloride solution.Count by weight, be that the nanoporous diatomite of 200-500nm places the saturated stannous chloride aqueous solution of 1000 kg with 2 kg particle diameters, ultrasonicly while stirring after disperseing to mix, left standstill 12 hours, the sodium hydroxide solution that adds 6.2 kg 4.2g/L more while stirring, filter then, solid constituent is placed 40 ℃-60 ℃, keep obtaining in 10 hours dry powder under the vacuum 2000-3000Pa condition, namely get antimicrobial powder through grinding;
(2) by the formula ratio of above-mentioned antibacterial matrices, antimicrobial powder, 0.6 kg calcium stearate, 0.6 kg zinc stearate, 0.6 kg antioxidant 1010 and the 0.6 kg antioxidant 168 of gained in the 90 kg polyamide 6 sections, 15 kg steps (1) mixed and stir, pass through screw extruder blend melt extrusion then, granulation obtains antibacterial matrices after 20～35 ℃ of coolings of cold water, wherein, the screw slenderness ratio of screw extruder is 30, blending temperature is 180-250 ℃, and head pressure is 2.0-3.5MPa;
(3) with antibacterial matrices, polyamide 6 section and the calcium stearate 10:100:0.3 blend by weight ratio that makes in the step (2), carry out melt spinning after stirring and obtain antibacterial humidity-guide polyamide fibre 6, the method step of this melt spinning is:
(a), the mixed material that stirs is sent in the spinning machine hopper, through the screw rod extruding, be melt into melt, wherein, screw diameter is 120mm, and screw slenderness ratio is 30, and blending temperature is 240 ℃-275 ℃, and head pressure is 10.0 – 15.0MPa;
(b) with the melt distributing pipe distribution arrival nozzle block of melt by spinning manifold, wherein, spinning body temperature and head temperature differ in 10 ℃;
(c) melt that will arrive nozzle block passes through screen pack, distribution plate successively, becomes filament by spinnerets then, and the spinneret orifice of described spinnerets is profiled-cross-section, and this profiled-cross-section is five blade profiles;
(d) filament that will come out from spinnerets is through the slinning cabinet cooling of drying, and wherein, wind-warm syndrome is 18 ℃-22 ℃, and wind speed is 0.3m/min-0.5m/min, and the air humidity of wind is 80%-85%;
(e) with the filament boundling, after going up wet oiling, stretch by first group of godet roller and second group of godet roller successively, wherein, the temperature of first group of godet roller is 70 ℃-90 ℃, speed is 2000m/min-3000m/min, and the temperature of second group of godet roller is 130 ℃-150 ℃, and speed is 4100-4400m/min;
(f) stretched filament is namely got antibacterial humidity-guide polyamide fibre 6 of the present invention through interlacing, coiling, wherein winding speed is than the fast low 40-80m/min of the second roller roller.
Embodiment 4:
The antibacterial humidity-guide polyamide fibre 6 that above-described embodiment 1 is made resists the test of (pressing down) bacterium to detect, and detects unit: Guangdong Province's microbiological analysis inspection center; Detection method: GB/T 20944.3-2008 succusion.Testing result is as shown in the table:
Claims (6)
1. antibacterial humidity-guide polyamide fibre 6, it is characterized in that: this antibacterial humidity-guide polyamide fibre 6 is made up of antibacterial matrices, polyamide 6 section and calcium stearate, and the weight ratio between each component is antibacterial matrices: polyamide 6 section: calcium stearate=7-10:95-100:0.1-0.3;
Wherein, described antibacterial matrices is made by the component blend of following portions by weight:
Described antimicrobial powder adopts following method to make: count by weight, be that the nanoporous diatomite of 200-500nm places 1000 parts of saturated stannous chloride aqueous solution with 0.7-2.0 part particle diameter, ultrasonic to disperseing to mix the back static 8-12 hour while stirring, the sodium hydroxide solution that adds 6.0-6.2 part 4.0g/L-4.2g/L more while stirring, filter then, solid constituent is placed 40 ℃-60 ℃, keep obtaining in 8-10 hour dry powder under the vacuum 2000-3000Pa condition, namely get antimicrobial powder through grinding.
2. antibacterial humidity-guide polyamide fibre 6 according to claim 1, it is characterized in that: the described saturated stannous chloride aqueous solution adopts following method to make: deionized water heating is boiled or feeds nitrogen and remove after the oxygen in anhydrating, add stannous chloride again and make saturated cuprous chloride solution.
3. a method for preparing the described antibacterial humidity-guide polyamide fibre 6 of claim 1 is characterized in that it comprises the steps:
(1) counts by weight, be that the nanoporous diatomite of 200-500nm places 1000 parts of saturated stannous chloride aqueous solution with 0.7-2.0 part particle diameter, ultrasonicly while stirring after disperseing to mix, left standstill 8-12 hour, the sodium hydroxide solution that adds 6.0-6.2 part 4.0g/L more while stirring, filter then, taking precipitate places 40 ℃-60 ℃, keeps obtaining in 8-10 hour dry powder under the vacuum 2000-3000Pa condition, namely gets antimicrobial powder through grinding;
(2) antimicrobial powder, calcium stearate, zinc stearate, antioxidant 1010 and the antioxidant 168 of gained in polyamide 6 section, the step (1) are pressed the parts by weight mixing and stirring described in the claim 1, pass through screw extruder blend melt extrusion then, granulation obtains antibacterial matrices after the cold water cooling, wherein, the screw slenderness ratio of screw extruder is 28-30, blending temperature is 180-250 ℃, and head pressure is 2.0-3.5MPa;
(3) with antibacterial matrices, polyamide 6 section and the calcium stearate 7-10:95-100:0.1-0.3 blend by weight ratio that makes in the step (2), carry out melt spinning after stirring and obtain antibacterial humidity-guide polyamide fibre 6.
4. the method for preparing antibacterial humidity-guide polyamide fibre 6 according to claim 3, it is characterized in that: the method step of melt spinning is described in the step (3):
(a) mixed material that stirs is sent in the spinning machine hopper, pushed, be melt into melt through screw rod, wherein, screw diameter is 80mm-120mm, and screw slenderness ratio is 25-30, and blending temperature is 180 ℃-275 ℃, and head pressure is 10.0 – 15.0MPa;
(b) with the melt distributing pipe distribution arrival nozzle block of melt by spinning manifold, wherein, spinning body temperature and head temperature differ in 10 ℃;
(c) melt that will arrive nozzle block passes through screen pack, distribution plate successively, becomes filament by spinnerets then;
(d) filament that will come out from spinnerets is through the slinning cabinet cooling of drying, and wherein, wind-warm syndrome is 18 ℃-22 ℃, and wind speed is 0.3m/min-0.5m/min, and the air humidity of wind is 80%-85%;
(e) with the filament boundling, after going up wet oiling, stretch by first group of godet roller and second group of godet roller successively, wherein, the temperature of first group of godet roller is 70 ℃-90 ℃, speed is 2000m/min-3000m/min, and the temperature of second group of godet roller is 130 ℃-150 ℃, and speed is 4100-4400m/min;
(f) stretched filament is namely got antibacterial humidity-guide polyamide fibre 6 of the present invention through interlacing, coiling, wherein winding speed is than the fast low 40-80m/min of the second roller roller.
5. the method for preparing antibacterial humidity-guide polyamide fibre 6 according to claim 4, it is characterized in that: the spinneret orifice of spinnerets is profiled-cross-section described in the step (3).
6. the method for preparing antibacterial humidity-guide polyamide fibre 6 according to claim 5, it is characterized in that: described profiled-cross-section is T-shape, " Y " type, cross or five blade profiles.
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| CN106319669A (en) * | 2016-08-08 | 2017-01-11 | 福建锦江科技有限公司 | Polyamide6 fiber and preparing method thereof |
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| CN1202292C (en) * | 2000-12-07 | 2005-05-18 | 天津市尼卡特种纤维科技发展有限公司 | Jinlun-6 antibiotic fiber and its production process |
| CN101195930B (en) * | 2006-12-21 | 2010-06-16 | 义乌华鼎锦纶股份有限公司 | Antimicrobial polyamide 6 fibre and production method thereof |
| CN100535206C (en) * | 2007-01-09 | 2009-09-02 | 辽宁银珠化纺集团有限公司 | Process of mfg. antibiosis polyamide fibre using high speed spinning |
| CN101792939B (en) * | 2009-01-16 | 2012-10-10 | 张洪泽 | Functional fiber |
| CN101555633A (en) * | 2009-05-21 | 2009-10-14 | 广东新会美达锦纶股份有限公司 | Processing technique of profile fiber having functions of moisture absorption and bacteria resistance and products thereof |
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