CN101122053A - Fine denier or ultra-fine denier nylon fibre and producing method thereof - Google Patents
Fine denier or ultra-fine denier nylon fibre and producing method thereof Download PDFInfo
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Abstract
The invention relates to a micro or super micro nylon fiber and a method of making the fiber. The technical problems the invention needs to solve is to provide a micro or super micro nylon fiber with the fiber number which can be fewer than 1 denier and the method of making the fiber. The fiber of the invention is characterized in that the fiber contains nylon, a first main group metal chemical compound in an effective amount and an auxiliary agent-antioxidizing agent also in an effective amount. The making method of the invention is characterized in that the first main group metal chemical compound and the nylon are melted in advance, mixed together, extruded and shaped, and an additive in agglomerate shape is obtained, wherein, the first main group metal chemical compound accounts for 5 to 50percent of the total weight of the additive; and then the additive agglomerates and the nylon are melted and spinned, and the consumption of the additive agglomerates must make the ration of the weight of the first main group metal element to that of the nylon is consistent.
Description
Technical field
The present invention relates to the spinning material field, specifically is a kind of thin dawn or superfine denier nylon fibre and production method thereof.
Background technology
In general, can the weave macromolecular material of usefulness comprises nylon (polyamide), polypropylene fibre (polypropylene), terylene (polyethylene terephthalate) and acrylic fibers (polyacrylonitrile) etc.These materials can form filament by spinning, thereby are used for textile industry.Melt spinning is a kind of spinning process commonly used, by melt spinning can obtain being suitable for the weaving fiber filaments of usefulness.Usually, the fiber filaments of using melt spinning method to obtain can reach the very thin degree (fiber number) at several dawn.With the weaving of the fiber filaments of such fiber number, establishment and product, for example garment material etc. have lot of advantages, so the application space, market is wide.
Yet, also more and more higher along with the raising of people's living standard for the requirement of textiles, be starved of some existing defectives that can overcome textiles.For example, above-mentioned mention such as products such as garment materials therefore feel is coarse, flexibility is poor, gas permeability is poor, water imbibition is poor, be easy to pilling etc. because its filament is thick.In order to address these problems, it is an important subject that the thin dawn of textile fabric or super fine denier change into.
At present, carried out a lot of researchs, and a lot of relevant reports have been arranged about thin dawn of textile fabric or super fine denierization.For example, on the Chinese side, thin dawn of polyester fiber or super fine denier technology in century the eighties succeed in developing.The thin dawn of polypropylene fibre or super fine denierization in last century the nineties develop by the Chinese Academy of Sciences chemistry Xu Duan husband academician of institute, this technology has realized industrialization at present, and correlation technique information is described in Chinese patent CN1073595, CN1058062, CN1076032 and CN1068075 to some extent.
But, use the technology of conventional melt spinning method manufacturing (surpassing) fine denier nylon fiber still immature for nylon.
Characteristics such as the nylon fiber fabric has absorbing sweat, lightweight, toughness is good, resilience good, antiacid alkali are best suited for one of man-made fabric of human dress.Application on clothes also is one of main application of nylon fiber.The thickness of nylon fiber can be characterized with filament number, usually, filament number be chemical fibre about 1 dawn fine count fiber and filament number to be chemical fibre about 0.5 dawn be called superfine Denier fibre.Nylon fiber is thin more, and the snugness of fit of its fabric is high more.Thin dawn or superfine Denier fibre can be made into soft, comfortable and easy to wear high-grade textiles, and very high economic worth is arranged.Thereby the exploitation of fine count fiber and superfine Denier fibre manufacturing technology is the new and high technology all paid attention to of each state in recent years.If nylon fiber can be carried out thin dawn or super fine denierization, that will open up another wide Application Areas for textile industry.
The diameter of fine count fiber and superfine Denier fibre is much thinner than conventional chemical fiber (filament number is generally 3-6 about the dawn), and the technical difficulty of making this class chemical fibre is quite big, need select appropriate spinning material and auxiliary agent for use.Also need the technical scheme and the strict control spinning of choose reasonable spinning, every production process such as drawing-off.
Yet up to the present, the research report that improves the nylon spinnability by modification mode is also few, thereby the main aspect of modification is by copolymerization or adds auxiliary agent and reduce the extension ability that the molecularly oriented of nylon when reeling improves monofilament.For example, (1) introduces asymmetric cell by copolymerization, reducing the ability of molecularly oriented, as, add the caprolactam and the assorted hexane of azo-cycle of asymmetric binary acid, diamine or band side group during common nylon polymerization; (2) when spinning, add acrylic acid derivative, as the methyl methacrylate polyester; (3) the employing long-chain nylon carries out spinning or add long-chain nylon and salt thereof or the like when the monomer polymerization of matrix nylon.
On the other hand, the improvement in spinning process mainly contain following aspect: (1) reduces the aperture of spinnerets, as using the diameter 0.2mm even the spinnerets of the spray silk of fine pore more, and the hole count of corresponding increase spinnerets; (2) filter to improve the degree of purity of spinning melt by high accuracy; (3) reduce spray silk level of stretch and degree of molecular orientation of tow in the winding process and extend abilities with more reservation tow; (4) take higher drafting multiple.
Characteristics such as the nylon fiber fabric has absorbing sweat, lightweight, toughness is good, resilience good, antiacid alkali are best suited for one of man-made fabric of human dress.Therefore, the nylon fiber monofilament is carried out the thin dawn or super fine denierization extremely important.And it is very important beyond doubt for producing thin dawn or superfine denier nylon fibre to propose suitable spinning material.
, with regard to mentioned prior art, all can't be reasonably with thin dawn of nylon fiber or super fine denierization, the fiber number of gained fiber is generally still at least greater than 1 dawn.
Summary of the invention
The technical issues that need to address of the present invention provide a kind of fiber number can be less than the thin dawn or the superfine denier nylon fibre at 1 dawn.
Another technical problem that the present invention need solve is to provide a kind of fiber number of can producing less than the thin dawn at 1 dawn or the method for superfine denier nylon fibre.
Thin dawn of the present invention or superfine denier nylon fibre is characterized in that containing in the fiber compound and the effective dose auxiliary agent-antioxidant of a kind of first main group metal of nylon and effective dose.The effective dose of metallic compound and auxiliary agent can be determined through limited experiment.
As preferably, the weight of the first main group metal element is 50ppm～10% of nylon weight in the compound of first main group metal, is preferably 0.01%～5%, more preferably 0.1%～5%, be preferably 0.5%～3% especially, the weight of antioxidant is 0.001%～1% of nylon weight; The described first main group metal element is selected from lithium, sodium, potassium, rubidium or caesium, the compound of described first main group metal is the first main group metal salt or/and complex compound, and it is nitrogenous and/or contain oxygen and/or sulfur-bearing organic ligand that wherein the part of the anion of slaine or complex compound is selected from phosphate radical, carbonate, carboxylate radical, nitrate radical, sulfate radical, sulfonate radical, inferior sulfate radical, halide anion, pseudohalogen ion and other.Above-mentioned " other nitrogenous and/or contain oxygen and/or sulfur-bearing organic ligand " all refer to the disclosed a few days ago organic ligand of the present patent application.
Nylon is the basis of fiber, the common nylon that can use spinning to use among the present invention, and there is no particular limitation, for example can use nylon 6, nylon 66 etc.
The compound of first main group metal for example can be: lithium carbonate, sodium carbonate, potash, rubidium carbonate, cesium carbonate; Lithium phosphate, sodium phosphate, potassium phosphate, phosphoric acid rubidium, phosphoric acid caesium; Lithium acetate, sodium acetate, potassium acetate, acetic acid rubidium, cesium acetate; Lithium sulfate, sodium sulphate, potassium sulfate, rubidium sulfate, cesium sulfate; Sulfonic acid lithium, sodium sulfonate, potassium sulfonate, sulfonic acid rubidium, sulfonic acid caesium; Lithium fluoride, sodium fluoride, potassium fluoride, rubidium fluoride RbF, cesium fluoride; Lithium chloride, sodium chloride, potassium chloride, rubidium chloride, cesium chloride; Lithium bromide, sodium bromide, potassium bromide, rubidium bromide, cesium bromide etc.
The compound that adds first main group metal can make nylon fiber show good performance in the melt spinning process, for example high strength, high viscosity, high spinnability and weaving security etc., thus make the present invention can be spun fiber number less than the thin dawn or the superfine Denier fibre silk at 1 dawn.Though it is made an explanation without any existing applicable theory, but the applicant thinks that possible mechanism is as follows: the compound of first main group metal can improve the intensity of nylon molten mass, improve the viscosity of molten mass, reduce melt index (MI) MFR, thereby make it can stand bigger tensile force, even when molten mass becomes the semi-molten body behind the spray silk, still have intensity preferably, therefore can tolerate bigger tensile force, the power that makes filament in the melt spinning process, can bear in the drawing-down step to be born and can not rupturing, thereby improve the spinnability of nylon fiber, obtain thin dawn or superfine Denier fibre.But effect of the present invention is not subjected to the constraint of this theory.
In order to ensure the effect that can be spun into thin dawn or superfine denier nylon fibre, the effective dose of the compound of first main group metal is as follows: the weight of the first main group metal element is 50ppm～10% of nylon weight in the compound of first main group metal.If the use amount of the first main group metal element is lower than 50ppm in the compound of first main group metal, then its modified effect to nylon is good inadequately, causes composition to be difficult to be spun into thin dawn or superfine Denier fibre.If use amount is greater than 10%, then the amount of the compound of first main group metal of Tian Jiaing is too much, and the weak effect that makes the composition spinning causes filametntary of poor qualityly, and fiber number can be higher than for 1 dawn.The weight of the first main group metal element is preferably 0.01%～5% of nylon weight, and more preferably 0.1%～5%, be preferably 0.3%～2% especially.
Also have in the nylon fiber of the present invention: one or more in antioxidant, ultra-violet absorber, the antistatic additive, wherein,
Described antioxidant is (Hinered phenols and phosphite): one or more among antioxidant 1010, antioxidant CA, antioxidant 163, antioxidant 168, antioxidant 3114, anti-oxidant DLTP and the antioxidant TNP, the addition of antioxidant are 0.001%～1% of nylon weight;
Described ultra-violet absorber is a benzotriazole, organic aromatic substances such as benzophenone class, as 2-(the 2-hydroxyl-3-tert-butyl group-5-aminomethyl phenyl)-5-chlorinated benzotriazole, 2-(2-hydroxyl-3, the 5-di-tert-butyl-phenyl)-the 5-chlorinated benzotriazole, Octabenzone,: 2-(2-hydroxyl-5-octyl phenyl)-benzotriazole, 2-(2-hydroxyl-3, the 5-di-tert-butyl-phenyl)-benzotriazole, 2-(2-hydroxy-5-methyl base phenyl)-benzotriazole, carbon black, zinc oxide, in the titanium dioxide one or more, the addition of ultra-violet absorber are 0.001%～1% of nylon weight;
Described antistatic additive is one or more in fatty alcohol phosphate, fatty alcohol oxyalkylene ether phosphide salt, fatty alcohol phosphate potassium, lauryl sodium sulfate salt, stearic acid monoglyceride, laruyl alcohol oxygen vinethene phosphate kalium salt, the polyethylene glycol, and the addition of antistatic additive is 0.001%～10% of a nylon weight.
Above-mentioned auxiliary agent all refers to the disclosed a few days ago auxiliary agent of the present patent application.
A kind of production method of thin dawn of the present invention or superfine denier nylon fibre adopts melt spinning method, it is characterized in that adding in the melt spinning process of nylon a kind of compound and auxiliary agent-antioxidant of first main group metal.
Above-mentioned " melt spinning method " is meant the raw material heating and melting that spinning is used, molten mass is delivered to spinning machine after extruding by screw extruder, quantitatively be pressed into molten mass in the spinning components through measuring pump, by the spinneret orifice on the spinnerets molten mass is flowed out with the filament attitude, coiling oils, perhaps, promptly get thin dawn or superfine denier nylon fibre also through overheated drawing-off.
Above-mentioned " melt spinning process " comprise from former and expect all processes that become silk, for example the melting process that will carry out preprocessing process that raw material that spinning uses carries out, raw material and molten mass become the silk process.
In the production method of thin dawn of the present invention or superfine denier nylon fibre, the compound of first main group metal can add in the random time in the melt spinning process, and this is not particularly limited.Yet, consider the convenience of interpolation, preferably adding this compound before the nylon heating and melting or during the heating and melting.Adding mode to this compound also is not particularly limited, can directly add, but additive (master batch shape) adding more afterwards of preferably itself and part nylon being made the compound that comprises first main group metal.
The another kind of production method of thin dawn of the present invention or superfine denier nylon fibre, compound and nylon melt blending extrusion molding in advance with first main group metal, obtain additive and become the master batch shape, wherein the compound of first main group metal accounts for 5～50% of additive gross weight; And then the additive master batch carried out melt spinning with nylon, the consumption of additive master batch will make the wherein weight of the second main group metal element and ratio 50ppm～10% of nylon weight, or 0.1%～5%, or 0.5%～3% is consistent, and this can be by calculating.
The auxiliary agent that nylon weight 0.001～10% can also be arranged in the additive master batch.
Carry out also being added with in the additive master batch of melt spinning and the nylon compound of the auxiliary agent and/or first main group metal together, wherein the addition of auxiliary agent will make the total amount of auxiliary agent in the nylon fiber consistent (in other words with the ratio of nylon weight, the gross weight of auxiliary agent that has contained in the additive master batch and the auxiliary agent that adds thereafter, with the ratio of nylon weight should be consistent, be at least a 0.001%～three kind of full usefulness 3%), the addition of the compound of first main group metal will make ratio 50ppm～10% of the total amount and the nylon weight of the first main group metal element in the nylon fiber, or 0.1%～5%, or 0.5%～3% consistent (in other words, the gross weight of the first main group metal element that contains in the first main group metal element that has contained in the first main group metal compound in the additive master batch and the first main group metal compound that adds thereafter, with the ratio of nylon weight should be consistent).This can be by calculating.
This additive master batch can be regarded as the dispersion of compound in nylon of first main group metal of high concentration.The melt blending extrusion molding for example can be undertaken by equipment such as single screw extrusion machine, double screw extruders.
The present invention produces in the method for thin dawn or superfine denier nylon fibre, the same with the compound of first main group metal, described auxiliary agent for example antioxidant, ultra-violet absorber, light stabilizer and/or antistatic additive etc. can add in the random time in the melt spinning process, and this is not particularly limited.These functional aids can add simultaneously with the compound of first main group metal, also can add before or after it adds; If use multiple auxiliary agent simultaneously, then they can add simultaneously, also can successively add.In order to improve the simplicity of operation, preferably the compound of these auxiliary agents and first main group metal adds use simultaneously.
For example, in the preferred scheme,, obtain a kind of additive that contains the compound of first main group metal, again this additive is carried out melt spinning with the nylon of remainder by compound, auxiliary agent and the part nylon of first main group metal by melt blending.
In another preferred version, compound, the auxiliary agent that will contain first main group metal carry out melt spinning with nylon.
If before fusion to nylon, the compound of first main group metal, a kind of, several in additive master batch and the auxiliary agent or all carry out drying, to remove moisture and small-molecule substance, then effect can be better.Baking temperature is 90～100 ℃, and be 24～48 hours drying time.
In spinning process, the temperature of described nylon molten mass is 130～320 ℃, more preferably in 160～280 ℃ of scopes, most preferably in 250～270 ℃ of scopes, the hole count of spinnerets is 30～200, and the aperture is 0.1～0.6mm, and the speed of coiling is preferably 100～8000m/min.
A kind of preferred embodiment in, described optimal process also comprises thin dawn of gained or superfine denier nylon fibre silk carried out hot drawing-off, carrying out after obtaining undrawn yarn reeling through oiling, the temperature of hot drawing-off can be in 50～160 ℃ of scopes.
Production method of the present invention, operation is simple, be convenient to operation, thin dawn that obtains or superfine denier nylon fibre fiber number are minimum can to reach about 0.25 dawn, and in process of production, the nylon fiber silk can not rupture basically, and the mechanical property of thin dawn of gained or superfine Denier fibre is good, intensity is big, the elongation at break height.
The specific embodiment
Below further describe the present invention by specific embodiment.Characteristics of the present invention and advantage can become more clear along with these descriptions.But these embodiment only are exemplary, are used for the explanation that makes an explanation to the present invention, and scope of the present invention are not constituted any restriction.It should be appreciated by those skilled in the art; under the spirit and scope of the present invention situation; can aspect details the present invention be modified and/or change and/or of equal value the replacement, these modification/modifications/replacement all should fall in the claimed scope of the present invention.
Raw materials used
Nylon 6 slice: the pure nylon 6 slice of high-speed spinning that the prosperous profit in Ningbo company produces
Embodiment 1
The ratio of according to the form below 1 is used prepared in twin-screw extruder LiCl additive master batch, and wherein the temperature in each district of extruder is: the I district is 265 ℃; The II district is 305 ℃; The III district is 295 ℃; The IV district is 295 ℃.
Table 1: the additive formula of master batch that contains LiCl
| Composition | Mass fraction |
| Nylon 6 slice | 80 |
| Slaine LiCl | 20 |
| Antioxidant (antioxidant 1010/antioxidant 168) | 1 |
| Antistatic additive PEG600 | 12 |
| Antistatic additive PEG20000 | 3 |
Additive master batch and the nylon 6 slice of gained LiCl are carried out drying in vacuum drying oven, to remove moisture and small-molecule substance.Baking temperature is between 90-100 ℃, and be 24-48 hour drying time.
And then with the additive master batch of LiCl with carry out melt spinning after nylon 6 slice mixes with weight ratio at 5: 1000, melt screw extruder Zhong Ge district temperature be respectively 250 ℃, 270 ℃, 270 ℃, 275 ℃, spinning temperature is 250 ℃.The The hole diameter of spinneret that adopts is 0.35mm, and length is 0.7mm, and winding speed is 1700m/min, and can obtain the undrawn yarn fiber number is the fine denier nylon fiber at 0.79 dawn, and Mechanics Performance Testing intensity can reach 3.7cN/dtex, and elongation at break is 41%.
Embodiment 2
Method according to embodiment 1 prepares thin dawn or superfine denier nylon fibre, and difference is that the ratio of according to the form below 2 is used prepared in twin-screw extruder K
2SO
4Additive master batch, the weight ratio of additive master batch and nylon 6 slice are that 1: 1000 spinning temperature is 255 ℃, and winding speed is 1400m/min, and resultant undrawn yarn carries out 1.20 times hot drawing-off on drawing machine.Obtaining fiber number is the fine denier nylon fiber at 0.70 dawn.Mechanics Performance Testing filament intensity reaches 4.0cN/dtex, elongation at break 19%.
Table 2:K
2SO
4The additive formula of master batch
| Composition | Mass fraction |
| Nylon 6 slice | 80 |
| Slaine K 2SO 4 | 20 |
| Antioxidant (antioxidant 1010/antioxidant 168) | 1 |
Embodiment 3
Method according to embodiment 1 prepares thin dawn or superfine denier nylon fibre, difference is that the ratio of according to the form below 3 is used prepared in twin-screw extruder NaBr additive master batch, and the weight ratio of additive master batch and nylon 6 slice is 5: 100, spinning temperature is 255 ℃, and winding speed is 4000m/min.Obtaining fiber number is the fine denier nylon fiber at 0.40 dawn.Mechanics Performance Testing filament intensity reaches 3.9cN/dte, elongation at break 24%.
Table 3:NaRr additive formula of master batch
| Composition | Mass fraction |
| Nylon 6 slice | 80 |
| Slaine NaBr | 20 |
| Antioxidant (antioxidant 1010) | 1 |
Embodiment 4
Use 6 parts of sodium acetates to carry out melt spinning for 1 part with 100 parts (being weight portion), nylon 6 slice, antioxidant (antioxidant 1010), melt screw extruder Zhong Ge district temperature be respectively 230 ℃, 250 ℃, 250 ℃, 255 ℃, spinning temperature is 265 ℃.The The hole diameter of spinneret that adopts is 0.35mm, and length is 0.7mm, and winding speed is 6000m/min, and can obtain the undrawn yarn fiber number is the fine denier nylon fiber at 0.30 dawn, and Mechanics Performance Testing intensity can reach 3.5cN/dtex, and elongation at break is 42%.
Comparative example 1
Not adding any other material only uses nylon 6 slice to carry out melt spinning, melt screw extruder Zhong Ge district temperature be respectively 260 ℃, 305 ℃, 290 ℃ 290 ℃, spinning temperature is 295 ℃, and winding speed is 900 meters/minute, and the spinnerets hole count is 48, the aperture is 0.3 millimeter, draw ratio 3: 1.Obtaining filament number is nylon 6 undrawn yarns at 2.7 dawn.Resulting nylon 6 undrawn yarns are carried out 3 times hot drawing-off, roller temperature 90 degree, hot plate temperature 160 degree, attempt to make nylon 6 fine count fibers that filament number was 0.9 dawn, experimental result shows, the coiling strand promptly ruptured every several minutes, can not obtain nylon 6 fine count fibers, can't realize steady production.
Comparative example 2
To carry out melt spinning after 1000 parts of nylon 6 slices, 1 part of antioxidant (antioxidant 1010/antioxidant 168), 12 parts of PEG600 and 3 parts of PEG20000 mixing, melt screw extruder Zhong Ge district temperature be respectively 250 ℃, 270 ℃, 270 ℃, 275 ℃, spinning temperature is 270 ℃.The The hole diameter of spinneret that adopts is 0.35mm, and length is 0.7mm, and winding speed is 1000m/min, and can obtain the undrawn yarn fiber number is the fine denier nylon fiber at 10 dawn, 100 ℃ of hot drawing-offs of carrying out 3.3 times of mechanics, obtains the nylon fiber silk at 3 dawn.Its intensity of performance test 3.6cN/dtex, elongation at break is 35%.
Comparative example 3
Nylon 6 slice is carried out melt spinning according to the method for embodiment 4, and winding speed is 3000 meters/minute.The filametntary fiber number of gained was 3 dawn.Intensity is 4.3cN/dtex, and elongation at break is 28%.
Relatively can see by embodiment 1-4 and comparative example 2 and 3, the nylon that has added the compound of first main group metal can be spun into fiber number less than the thin dawn or the superfine denier nylon fibre at 1 dawn, is nylon fiber about 3 dawn and the nylon that does not add the compound of first main group metal can only spin fiber number.
Relatively can see by embodiment 1-4 and comparative example 1 again, the nylon that has added the compound of first main group metal can be spun into fiber number less than the thin dawn or the superfine denier nylon fibre at 1 dawn, and the nylon that does not add the compound of first main group metal can't spin thin dawn or superfine denier nylon fibre at all.
Claims (10)
1. thin dawn or superfine denier nylon fibre is characterized in that containing in the fiber a kind of compound of first main group metal of nylon and effective dose and the auxiliary agent-antioxidant of effective dose.
2. nylon fiber according to claim 1 is characterized in that the weight of the first main group metal element in the compound of described first main group metal is 50ppm～10% of nylon weight, and the weight of antioxidant is 0.001%～1% of nylon weight; The described first main group metal element is selected from lithium, sodium, potassium, rubidium or caesium; The compound of first main group metal is the first main group metal salt or/and complex compound, and it is nitrogenous and/or contain oxygen and/or sulfur-bearing organic ligand that wherein the part of the anion of slaine or complex compound is selected from phosphate radical, carbonate, carboxylate radical, nitrate radical, sulfate radical, sulfonate radical, inferior sulfate radical, halide anion, pseudohalogen ion and other.
3. nylon fiber according to claim 2 is characterized in that the weight of the first main group metal element in the compound of first main group metal is 0.1%～5% of nylon weight.
4. nylon fiber according to claim 3 is characterized in that the weight of the first main group metal element in the compound of described first main group metal is 0.5%～3% of nylon weight.
5. according to claim 1 or 2 or 3 or 4 described nylon fibers, it is characterized in that described antioxidant is: one or more among antioxidant 1010, antioxidant CA, antioxidant 163, antioxidant 168, antioxidant 3114, anti-oxidant DLTP and the antioxidant TNP;
Described auxiliary agent also has one or more in ultra-violet absorber, the antistatic additive, wherein,
Described antioxidant is one or more among antioxidant 1010, antioxidant CA, antioxidant 163, antioxidant 168, antioxidant 3114, anti-oxidant DLTP and the antioxidant TNP;
Described ultra-violet absorber is a benzotriazole, organic aromatic substances such as benzophenone class, as 2-(the 2-hydroxyl-3-tert-butyl group-5-aminomethyl phenyl)-5-chlorinated benzotriazole, 2-(2-hydroxyl-3, the 5-di-tert-butyl-phenyl)-the 5-chlorinated benzotriazole, Octabenzone,: 2-(2-hydroxyl-5-octyl phenyl)-benzotriazole, 2-(2-hydroxyl-3, the 5-di-tert-butyl-phenyl)-benzotriazole, 2-(2-hydroxy-5-methyl base phenyl)-benzotriazole, carbon black, zinc oxide, in the titanium dioxide one or more, the consumption of ultra-violet absorber are 0.001%～1% of nylon weight;
Described antistatic additive is one or more in fatty alcohol phosphate, fatty alcohol oxyalkylene ether phosphide salt, fatty alcohol phosphate potassium, lauryl sodium sulfate salt, stearic acid monoglyceride, laruyl alcohol oxygen vinethene phosphate kalium salt, the polyethylene glycol, and the consumption of antistatic additive is 0.001%～10% of a nylon weight.
6. production method as described thin dawn of claim 1-4 or superfine denier nylon fibre is characterized in that adding a kind of compound and auxiliary agent-antioxidant of first main group metal in the melt spinning process of nylon.
7. production method as described thin dawn of claim 1-4 or superfine denier nylon fibre, it is characterized in that compound and nylon melt blending extrusion molding in advance with first main group metal, obtain additive and become the master batch shape, wherein the compound of first main group metal accounts for 5%～50% of additive gross weight; And then the additive master batch carried out melt spinning with nylon, the consumption of additive master batch will make the wherein weight of the second main group metal element and ratio 50ppm～10% of nylon weight, or 0.1%～5%, or 0.5%～3% is consistent.
8. production method according to claim 7, it is characterized in that carrying out together melt spinning except that additive master batch and nylon, also be added with the compound of the auxiliary agent and/or first main group metal, wherein will to make the total amount of the first main group metal element in the nylon fiber and the ratio of nylon weight be 50ppm～10% to the addition of the compound of first main group metal, or 0.1%～5%, or 0.5%～3% is consistent.
9. according to claim 6 or 7 described production method methods, it is characterized in that before fusion to nylon the compound of first main group metal, a kind of, several in additive master batch and the auxiliary agent or all carry out drying.
10. according to claim 6 or 7 described production method methods, it is characterized in that in spinning process the temperature of nylon molten mass is 130～320 ℃, the hole count of spinnerets is 30～200, the aperture is 0.1～0.6mm, and the speed of coiling is preferably 100～8000 meters/minute.
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| CN102161756A (en) * | 2011-04-14 | 2011-08-24 | 杭州师范大学 | Nylon-6 resin, nylon-6 filament and preparation method thereof |
| CN102766933A (en) * | 2012-06-27 | 2012-11-07 | 吴江亚太化纺有限公司 | Spinning process for antistatic and antibacterial nylon 6DTY high elastic filament |
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| CN102766937A (en) * | 2012-06-27 | 2012-11-07 | 吴江亚太化纺有限公司 | Antistatic and antibacterial polyamide 66DTY high elastic filament |
| CN103215669A (en) * | 2013-04-19 | 2013-07-24 | 长乐力恒锦纶科技有限公司 | Spinning production technology for chinlon 6 functional fiber |
| CN103469346A (en) * | 2013-09-05 | 2013-12-25 | 东华大学 | Preparation method of LiCl modified nylon 6 fiber |
| CN103696034A (en) * | 2013-09-18 | 2014-04-02 | 杭州师范大学 | Production method of full-dull fine denier or ultrafine denier nylon 6 FDY filaments |
| CN103993373A (en) * | 2014-05-21 | 2014-08-20 | 徐伯琴 | Production technology for super-fine denier polyamide fiber |
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2007
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