CN106637441B - A kind of 6 preoriented yarn of anti-bacterial wear-resisting polyamide fibre - Google Patents
A kind of 6 preoriented yarn of anti-bacterial wear-resisting polyamide fibre Download PDFInfo
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
- C08G18/6677—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203 having at least three hydroxy groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/096—Humidity control, or oiling, of filaments, threads or the like, leaving the spinnerettes
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/90—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyamides
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
- D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
- D02J1/08—Interlacing constituent filaments without breakage thereof, e.g. by use of turbulent air streams
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/55—Epoxy resins
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- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/34—Polyamides
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Abstract
The present invention relates to spinning fields, disclose a kind of 6 preoriented yarn of anti-bacterial wear-resisting polyamide fibre, the preparation method comprises the following steps: (1) mixing: polycaprolactam slice, antibacterial granule, wear-resisting functions master batch are mixed；(2) melt: by material, heating melting is squeezed in screw extruder；(3) spinning: the material after melting carries out spinning in filament spinning component, sprays from spinneret and forms melt stream, then forms monofilament after quenching；(4) oiling cluster: carrying out oiling cluster at nozzle, forms tow；(5) pre- network: tow carries out pre- network on pre- Network device；(6) wind: tow is wound molding at winding head.6 preoriented yarn of anti-bacterial wear-resisting polyamide fibre of the invention also has the characteristics that outstanding antibiotic property, wearability on the basis of keeping original performance.Some high antibacterials are applicable to require, in the specific area of high abrasion requirement.
Description
Technical field
The present invention relates to spinning field more particularly to a kind of 6 preoriented yarns of anti-bacterial wear-resisting polyamide fibre.
Background technique
Preoriented yarn refers to the degree of orientation obtained through high speed spinning in not being completely stretched between orientation silk and drawn yarn
Chemical-fibres filaments, compared with undrawn yarn, it have a degree of orientation, stability is good, be usually used as draw false twisting deformation
The dedicated silk of silk (DTY).Polyamide fibre 6 is one of common textile fabric, has a series of excellent performance, is widely used in taking
Each domain is led in dress, home textile, decoration, agricultural, fishery etc..
Application No. is 201110432639.3 Chinese patents to disclose the porous fine denier polyamide fiber 6 preoriented yarn of one kind, system
Standby technique and its equipment.It is added in the screw melt extrusion step with the random of methacrylate, maleic anhydride and benzene alkene
Copolymer additives；The breaking strength of obtained preoriented yarn is 3.45 ± 0.25cN/dex, and elongation at break is 80 ± 20%.
Present invention improves over conventional FDY equipment and relevant manufacturing conditions, have efficiently controlled spinneret draft forming process
Middle aggregated structure adjustment, high order is orientated and the supramolecular structure of crystallization, further increases melt mixed uniformity and pressure is steady
Qualitative, the winding tensile and item of effectively adjustment and control strand do uneven rate, after improving porous micro Denier polyamide fibre 6POY
Tensile property.The product that the technical solution provides can reach the maximization of company interest.
Although can be improved melt mixed uniformity and pressure stability in 6 production method of polyamide fibre of above-mentioned patent, having
The winding tensile and item of effect adjustment and control strand do uneven rate, improve the post-tensioning of porous fine denier polyamide fiber 6 POY
Energy.
But its product lacks the functionality such as antibiotic property, wearability, can not be applied to some high antibacterials requirements, high abrasion is wanted
In the specific area asked.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of 6 preoriented yarns of anti-bacterial wear-resisting polyamide fibre.System of the present invention
6 preoriented yarn of anti-bacterial wear-resisting polyamide fibre obtained also has outstanding antibiotic property, wearability on the basis of keeping original performance
The features such as.Some high antibacterials are applicable to require, in the specific area of high abrasion requirement.
The specific technical proposal of the invention is: a kind of 6 preoriented yarn of anti-bacterial wear-resisting polyamide fibre, the preparation method is as follows:
(1) mixing: polycaprolactam slice, antibacterial granule, wear-resisting functions master batch are mixed, wherein the antibacterial granule accounts for
The 1.5-2.5% of gross mass, the wear-resisting functions master batch account for the 1-3% of gross mass.
(2) melt: by mixed material, heating melting is squeezed in screw extruder.
(3) spinning: the material after melting carries out spinning in filament spinning component, sprays from spinneret and forms melt stream,
Then monofilament is formed after quenching.
(4) oiling cluster: carrying out oiling cluster at nozzle, forms tow.
(5) pre- network: the tow carries out pre- network on pre- Network device.
(6) wind: the tow of pre- network is wound molding, wherein winding speed is after seal wire at winding head
4300-4500m/min。
The present invention carries out mixing before melting to polycaprolactam, and antibacterial granule can effectively improve the antibiotic property of fiber
Can, fiber is applied in the field that high antibacterial requires.Wear-resisting functions master batch can further increase the wear-resisting of polyamide fibre
Performance enables fiber to apply in the field that high abrasion requires.
Preferably, the antibacterial granule is uniformly dispersed the preparation method comprises the following steps: chitosan is added in water, preparation is obtained
Concentration is the chitosan solution of 1-3wt%, and the silver nitrate that quality is 0.5-0.7 times of chitosan, stirring are added into chitosan solution
After uniformly, solution ph is controlled 4, solution is heated to 40-50 DEG C under dark surrounds, keeps the temperature 3-4h, is then centrifuged for point
From solid is obtained, after solid is cleaned, is dry, it is dissolved in sodium hydroxide solution, solid masses is added into sodium hydroxide solution
0.01-0.02 times of sodium borohydride adjusts pH to neutrality, and successively by stirring, antibacterial is made in centrifuge separation after dry, pulverize
Particle.
Material antibacterial granule made from the above method has outstanding anti-microbial property, and wherein nano silver simple substance is in chitosan
Load capacity it is big, load fastness is high, and good dispersion of the antibacterial granule in mixing, in spinning solution.
Preferably, the antibacterial granule is micron order or nanoscale.
Preferably, the wear-resisting functions master batch the preparation method comprises the following steps: by concentration be 8-12wt% graphene oxide it is water-soluble
Liquid is heated to 50-60 DEG C, and the water-soluble polyamic acid solution that dropwise addition concentration is 4-6wt% into graphene oxide water solution is simultaneously same
When be stirred, wherein the dripping quantity of water-soluble polyamic acid solution is 2-3 times of graphene oxide water solution volume, after dropwise addition
It is uniformly dispersed to form colloidal sol, stands 10-16h under room temperature, washed away the unreacting substance in colloidal sol with water；Then colloidal sol is shifted
Into inert gas environment, colloidal sol is warming up to 350-400 DEG C with the heating rate of 5-7 DEG C/min, 2-3h is kept the temperature, then with 7-
The heating rate of 9 DEG C/min is continuously heating to 500-550 DEG C, keeps the temperature 4-5h, then takes out reactant, wash away miscellaneous in reactant
It is dried after matter, graphene aerogel dry powder is made after finally crushing；By polyether polyol, polymethylene polyphenyl polyisocyanate cyanogen
Acid esters, glycerine, triethylene diamine, graphene aerogel dry powder and water mixing, stir foaming, normal at a temperature of 50-60 DEG C
Temperature is lower to stand aging 0.5-1h, finally crushes and obtains wear-resisting functions master batch；Wherein, in parts by mass, the polyether polyol is
40-50 parts, 60-70 parts of poly methylene poly phenyl poly isocyanate, 2-3 parts of glycerine, 0.2-0.4 parts of triethylene diamine, graphite
30-40 parts of alkene aeroge dry powder, 4-8 parts of water.
Wear-resisting functions master batch made from the above method, due to having the presence of graphene, wear-resisting property with super strength；And
During the preparation process, first water-soluble polyamic acid solution is added drop-wise in graphene oxide water solution, carries out cross-linking reaction, formed
Sol form, the colloidal sol have network pore structure because of the crosslinking of substance.Then the heating of two step ladders is carried out to colloidal sol, the
When one step heats, moisture evaporation in colloidal sol, water-soluble polyamic acid occurs the sub- amidation of heat and is converted into polyimides, at this time oxygen
Graphite alkene is further crosslinked with polyimides, and graphene oxide is also reduced to graphene, generates a large amount of three-dimensional pore spaces.?
When two-step heating, part skeletal substance is carbonized in colloidal sol, volatile substances volatilization, so that its space originally occupied is formed
Gap becomes aeroge, and the stability of the graphene aerogel obtained at this time is good, and wearability is high.Then, by graphene aerogel
Dry powder and polyether polyol, poly methylene poly phenyl poly isocyanate, glycerine, triethylene diamine, graphene aerogel dry powder
It mixes, and foams with water, the wear-resisting functions masterbatch of foam powdery is obtained after aging, drying and crushing, glycerine is as friendship
Join agent, triethylene diamine is carried on the surface of foam powder as foaming agent, graphene aerogel dry powder as catalyst, water.
The wear-resisting functions masterbatch has wear-resisting functions, and light weight simultaneously, and density is small, and porosity is high, moreover it is possible to heat-insulation warm keeping effect is played,
And compatibility height, dispersion effect are good in spinning solution.
Preferably, the partial size of the wear-resisting functions master batch is 0.4-10 microns.
Preferably, hot-melt extrusion technology is divided into 4 processes in step (2), melting temperature be respectively as follows: 245-250 DEG C,
250-255℃、255-260℃、250-255℃。
Preferably, quenching temperature is 18-22 DEG C in step (3), cold air blast velocity 0.5-0.6m/s.
Preferably, during step (4) oils, contain epoxy resin, the epoxy resin in the spinning oil that oils
Dosage be preoriented yarn quality 0.2-0.4%.
Epoxy resin is added in spinning oil, epoxy resin is attached to fiber surface after oiling, in subsequent seal wire mistake
Cheng Zhong, by certain stretching action, with the slight stretching of fiber, epoxy resin can gradually penetrate into fibrous inside.
Epoxy resin can react with polyamide at a higher temperature, can improve molecular weight as the chain extender of polyamide.
Since the resistance to ag(e)ing of polyamide fibre is poor, it is easy to be degraded by after high temperature and long-time illumination, fibre property is caused to decline.
The addition of epoxy resin is capable of the degradation of impedance macromole polyamide, and can be attached the polyamide molecule of degradation,
Molecular weight is improved, to prevent fiber aging, keeps fibre property.But if mixing process by epoxy resin before melting
Middle addition, since subsequent spinning process temperature is higher, epoxy resin can shift to an earlier date to be reacted with spinning solution, to be unable to reach
Effect.And the addition of excessive functional additive, it will affect the spinnability of spinning solution.The present invention is in fatliquoring stage by asphalt mixtures modified by epoxy resin
Rouge is attached to fiber surface, then penetrates into fibrous inside by stretching, will not only react with spinning solution, but also not
It will affect the spinnability of spinning solution.
Preferably, the pressure of the pre- Network device is 0.8-1.0bar.
The present invention combines raw material of the invention, is set accordingly to the technological parameter in spinning process, so that antibacterial
Particle, wear-resisting functions master batch, epoxy resin etc. are uniformly distributed in the fibre, good dispersion.Especially for the infiltration of epoxy resin
Thoroughly, the process requirement specific aim after spinning is set, to improve its permeability.
It is compared with the prior art, the beneficial effects of the present invention are: 6 preorientation of anti-bacterial wear-resisting polyamide fibre produced by the present invention
Silk, on the basis of keeping original performance, also has the characteristics that outstanding antibiotic property, wearability.It is applicable to some highly resistances
In the specific area that bacterium requires, high abrasion requires.
Specific embodiment
The present invention will be further described with reference to the examples below.
Embodiment 1
A kind of 6 preoriented yarn of anti-bacterial wear-resisting polyamide fibre, the preparation method is as follows:
(1) mixing: polycaprolactam slice, nanoscale antibacterial granule, wear-resisting functions master batch are mixed, wherein described anti-
Bacterium particle accounts for the 2% of gross mass, and the wear-resisting functions master batch accounts for the 2% of gross mass.
Wherein, the antibacterial granule is uniformly dispersed the preparation method comprises the following steps: chitosan is added in water, and preparation obtains concentration
For the chitosan solution of 2wt%, the silver nitrate that quality is 0.6 times of chitosan is added into chitosan solution, it after mixing evenly, will
Solution ph is controlled 4, and solution is heated to 45 DEG C under dark surrounds, is kept the temperature 3.5h, is then centrifuged for isolated solid, will
It after solid is cleaned, is dry, is dissolved in sodium hydroxide solution, 0.015 times of solid masses of boron hydrogen is added into sodium hydroxide solution
Change sodium, adjusts pH to neutrality, successively by stirring, antibacterial granule is made in centrifuge separation after dry, pulverize.
The wear-resisting functions master batch the preparation method comprises the following steps: by concentration be 10wt% graphene oxide water solution be heated to 55
DEG C, the water-soluble polyamic acid solution that concentration is 5wt% is added dropwise into graphene oxide water solution and is stirred simultaneously, wherein
The dripping quantity of water-soluble polyamic acid solution is 2.5 times of graphene oxide water solution volume, and being uniformly dispersed after dropwise addition, it is molten to be formed
Glue stands 13h under room temperature, is washed away the unreacting substance in colloidal sol with water；Then colloidal sol is transferred in inert gas environment,
Colloidal sol is warming up to 375 DEG C with the heating rate of 6 DEG C/min, 2.5h is kept the temperature, then continues to heat up with the heating rate of 8 DEG C/min
To 525 DEG C, 4.5h is kept the temperature, reactant is then taken out, is dried after washing away the impurity in reactant, stone is made after finally crushing
Black alkene aeroge dry powder；By polyether polyol, poly methylene poly phenyl poly isocyanate, glycerine, triethylene diamine, graphene
Aeroge dry powder and water mixing, foaming is stirred at a temperature of 55 DEG C, stands aging 45min at normal temperature, finally crushes and obtains grain
The wear-resisting functions master batch that diameter is 0.4-1 microns.
Wherein, in parts by mass, the polyether polyol is 45 parts, 65 parts of poly methylene poly phenyl poly isocyanate, third
2.5 parts of triol, 0.3 part of triethylene diamine, 35 parts of graphene aerogel dry powder, 6 parts of water.
(2) melt: by mixed material, heating melting is squeezed in screw extruder.Hot-melt extrusion technology is divided into 4 mistakes
Journey, melting temperature are respectively as follows: 248 DEG C, 253 DEG C, 258 DEG C, 253 DEG C.
(3) spinning: the material after melting carries out spinning in filament spinning component, sprays from spinneret and forms melt stream,
Then monofilament is formed after quenching.Wherein, quenching temperature is 20 DEG C, cold air blast velocity 0.55m/s.
(4) oiling cluster: carrying out oiling cluster at nozzle, forms tow.(5) pre- network: the tow is in pre- network
Pre- network is carried out on device.The pressure of the pre- Network device is 0.8bar.
(6) wind: the tow of pre- network is wound molding, wherein winding speed is after seal wire at winding head
4300m/min。
Embodiment 2
A kind of 6 preoriented yarn of anti-bacterial wear-resisting polyamide fibre, the preparation method is as follows:
(1) mixing: polycaprolactam slice, nanoscale antibacterial granule, wear-resisting functions master batch are mixed, wherein described anti-
Bacterium particle accounts for the 1.5% of gross mass, and the wear-resisting functions master batch accounts for the 1% of gross mass.
Wherein, the antibacterial granule is uniformly dispersed the preparation method comprises the following steps: chitosan is added in water, and preparation obtains concentration
For the chitosan solution of 1wt%, the silver nitrate that quality is 0.5 times of chitosan is added into chitosan solution, it after mixing evenly, will
Solution ph is controlled 4, and solution is heated to 40 DEG C under dark surrounds, is kept the temperature 4h, is then centrifuged for isolated solid, will consolidate
It after body is cleaned, is dry, is dissolved in sodium hydroxide solution, 0.01 times of solid masses of hydroboration is added into sodium hydroxide solution
Sodium adjusts pH to neutrality, and successively by stirring, antibacterial granule is made in centrifuge separation after dry, pulverize.
The wear-resisting functions master batch the preparation method comprises the following steps: by concentration be 8wt% graphene oxide water solution be heated to 50
DEG C, the water-soluble polyamic acid solution that concentration is 4wt% is added dropwise into graphene oxide water solution and is stirred simultaneously, wherein
The dripping quantity of water-soluble polyamic acid solution is 2 times of graphene oxide water solution volume, is uniformly dispersed to form colloidal sol after dropwise addition,
10h is stood under room temperature, is washed away the unreacting substance in colloidal sol with water；Then colloidal sol is transferred in inert gas environment, with 5
DEG C/colloidal sol is warming up to 350 DEG C by the heating rate of min, 3h is kept the temperature, is then continuously heating to 500 with the heating rate of 7 DEG C/min
DEG C, 5h is kept the temperature, reactant is then taken out, is dried after washing away the impurity in reactant, graphene gas is made after finally crushing
Gel dry powder；By polyether polyol, poly methylene poly phenyl poly isocyanate, glycerine, triethylene diamine, graphene aerogel
Dry powder and water mixing, at 50 °C stirring foaming stand aging 1h at normal temperature, and finally crushing and obtaining partial size is that 5-10 is micro-
The wear-resisting functions master batch of rice.
Wherein, in parts by mass, the polyether polyol is 40 parts, 60 parts of poly methylene poly phenyl poly isocyanate, third
2 parts of triol, 0.2 part of triethylene diamine, 30 parts of graphene aerogel dry powder, 4 parts of water.
(2) melt: by mixed material, heating melting is squeezed in screw extruder.Hot-melt extrusion technology is divided into 4 mistakes
Journey, melting temperature are respectively as follows: 245 DEG C, 250 DEG C, 255 DEG C, 250 DEG C.
(3) spinning: the material after melting carries out spinning in filament spinning component, sprays from spinneret and forms melt stream,
Then monofilament is formed after quenching.Wherein, quenching temperature is 18 DEG C, cold air blast velocity 0.5m/s.
(4) oiling cluster: carrying out oiling cluster at nozzle, forms tow.During oiling, the spinning oil that oils
In contain epoxy resin, the dosage of the epoxy resin is the 0.2% of preoriented yarn quality.
(5) pre- network: the tow carries out pre- network on pre- Network device.The pressure of the pre- Network device is 0.9bar.
(6) wind: the tow of pre- network is wound molding, wherein winding speed is after seal wire at winding head
4400m/min。
Embodiment 3
A kind of 6 preoriented yarn of anti-bacterial wear-resisting polyamide fibre, the preparation method is as follows:
(1) mixing: polycaprolactam slice, micron-sized antibacterial granule, wear-resisting functions master batch are mixed, wherein described anti-
Bacterium particle accounts for the 2.5% of gross mass, and the wear-resisting functions master batch accounts for the 3% of gross mass.
Wherein, the antibacterial granule is uniformly dispersed the preparation method comprises the following steps: chitosan is added in water, and preparation obtains concentration
For the chitosan solution of 3wt%, the silver nitrate that quality is 0.7 times of chitosan is added into chitosan solution, it after mixing evenly, will
Solution ph is controlled 4, and solution is heated to 50 DEG C under dark surrounds, is kept the temperature 3h, is then centrifuged for isolated solid, will consolidate
It after body is cleaned, is dry, is dissolved in sodium hydroxide solution, 0.02 times of solid masses of hydroboration is added into sodium hydroxide solution
Sodium adjusts pH to neutrality, and successively by stirring, antibacterial granule is made in centrifuge separation after dry, pulverize.
The wear-resisting functions master batch the preparation method comprises the following steps: by concentration be 12wt% graphene oxide water solution be heated to 60
DEG C, the water-soluble polyamic acid solution that concentration is 6wt% is added dropwise into graphene oxide water solution and is stirred simultaneously, wherein
The dripping quantity of water-soluble polyamic acid solution is 3 times of graphene oxide water solution volume, is uniformly dispersed to form colloidal sol after dropwise addition,
16h is stood under room temperature, is washed away the unreacting substance in colloidal sol with water；Then colloidal sol is transferred in inert gas environment, with 7
DEG C/colloidal sol is warming up to 400 DEG C by the heating rate of min, 2h is kept the temperature, is then continuously heating to 550 with the heating rate of 9 DEG C/min
DEG C, 4h is kept the temperature, reactant is then taken out, is dried after washing away the impurity in reactant, graphene gas is made after finally crushing
Gel dry powder；By polyether polyol, poly methylene poly phenyl poly isocyanate, glycerine, triethylene diamine, graphene aerogel
Dry powder and water mixing, foaming is stirred at a temperature of 60 DEG C, stands aging 0.5h at normal temperature, and finally crushing and obtaining partial size is 1-5
The wear-resisting functions master batch of micron.
Wherein, in parts by mass, the polyether polyol be 40-50 parts, 70 parts of poly methylene poly phenyl poly isocyanate,
3 parts of glycerine, 0.4 part of triethylene diamine, 40 parts of graphene aerogel dry powder, 8 parts of water.
(2) melt: by mixed material, heating melting is squeezed in screw extruder.Hot-melt extrusion technology is divided into 4 mistakes
Journey, melting temperature are respectively as follows: 250 DEG C, 255 DEG C, 260 DEG C, 255 DEG C.
(3) spinning: the material after melting carries out spinning in filament spinning component, sprays from spinneret and forms melt stream,
Then monofilament is formed after quenching.Wherein, quenching temperature is 22 DEG C, cold air blast velocity 0.6m/s.
(4) oiling cluster: carrying out oiling cluster at nozzle, forms tow.During oiling, the spinning oil that oils
In contain epoxy resin, the dosage of the epoxy resin is the 0.4% of preoriented yarn quality.
(5) pre- network: the tow carries out pre- network on pre- Network device.The pressure of the pre- Network device is 1.0bar.
(6) wind: the tow of pre- network is wound molding, wherein winding speed is after seal wire at winding head
4500m/min。
Embodiment 4
A kind of 6 preoriented yarn of anti-bacterial wear-resisting polyamide fibre, the preparation method is as follows:
(1) mixing: polycaprolactam slice, nanoscale antibacterial granule, wear-resisting functions master batch are mixed, wherein described anti-
Bacterium particle accounts for the 1.5% of gross mass, and the wear-resisting functions master batch accounts for the 2.5% of gross mass.
Wherein, the antibacterial granule is uniformly dispersed the preparation method comprises the following steps: chitosan is added in water, and preparation obtains concentration
For the chitosan solution of 1.5wt%, the silver nitrate that quality is 0.5 times of chitosan is added into chitosan solution, after mixing evenly,
Solution ph is controlled 4, solution is heated to 45 DEG C under dark surrounds, 3h is kept the temperature, is then centrifuged for isolated solid, it will
It after solid is cleaned, is dry, is dissolved in sodium hydroxide solution, 0.01 times of solid masses of hydroboration is added into sodium hydroxide solution
Sodium adjusts pH to neutrality, and successively by stirring, antibacterial granule is made in centrifuge separation after dry, pulverize.
The wear-resisting functions master batch the preparation method comprises the following steps: by concentration be 9wt% graphene oxide water solution be heated to 58
DEG C, the water-soluble polyamic acid solution that concentration is 4.5wt% is added dropwise into graphene oxide water solution and is stirred simultaneously,
The dripping quantity of middle water-soluble polyamic acid solution is 2.5 times of graphene oxide water solution volume, is uniformly dispersed to be formed after dropwise addition
Colloidal sol stands 14h under room temperature, is washed away the unreacting substance in colloidal sol with water；Then colloidal sol is transferred to inert gas environment
In, colloidal sol is warming up to 380 DEG C with the heating rate of 6 DEG C/min, 3h is kept the temperature, then with the heating rate of 8 DEG C/min after of continuing rising
Temperature keeps the temperature 5h, then takes out reactant, be dried after washing away the impurity in reactant to 520 DEG C, and stone is made after finally crushing
Black alkene aeroge dry powder；By polyether polyol, poly methylene poly phenyl poly isocyanate, glycerine, triethylene diamine, graphene
Aeroge dry powder and water mixing, foaming is stirred at a temperature of 55 DEG C, stands aging 0.5h at normal temperature, finally crushes and obtains partial size
For 0.4-2 microns of wear-resisting functions master batch.
Wherein, in parts by mass, the polyether polyol is 45 parts, 65 parts of poly methylene poly phenyl poly isocyanate, third
2 parts of triol, 0.3 part of triethylene diamine, 35 parts of graphene aerogel dry powder, 5 parts of water.
(2) melt: by mixed material, heating melting is squeezed in screw extruder.Hot-melt extrusion technology is divided into 4 mistakes
Journey, melting temperature are respectively as follows: 245 DEG C, 255 DEG C, 260 DEG C, 255 DEG C.
(3) spinning: the material after melting carries out spinning in filament spinning component, sprays from spinneret and forms melt stream,
Then monofilament is formed after quenching.Wherein, quenching temperature is 19 DEG C, cold air blast velocity 0.6m/s.
(4) oiling cluster: carrying out oiling cluster at nozzle, forms tow.During oiling, the spinning oil that oils
In contain epoxy resin, the dosage of the epoxy resin is the 0.3% of preoriented yarn quality.
(5) pre- network: the tow carries out pre- network on pre- Network device.The pressure of the pre- Network device is 0.95bar.
(6) wind: the tow of pre- network is wound molding, wherein winding speed is after seal wire at winding head
4450m/min。
Raw materials used in the present invention, equipment is unless otherwise noted the common raw material, equipment of this field；In the present invention
Method therefor is unless otherwise noted the conventional method of this field.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any way, it is all according to the present invention
Technical spirit any simple modification, change and equivalent transformation to the above embodiments, still fall within the technology of the present invention side
The protection scope of case.
Claims (7)
1. a kind of 6 preoriented yarn of anti-bacterial wear-resisting polyamide fibre, it is characterised in that the preparation method is as follows:
(1) mixing: polycaprolactam slice, antibacterial granule, wear-resisting functions master batch are mixed, wherein the antibacterial granule accounts for total matter
The 1.5-2.5% of amount, the wear-resisting functions master batch account for the 1-3% of gross mass；
The antibacterial granule is uniformly dispersed the preparation method comprises the following steps: chitosan is added in water, and it is 1-3wt% that preparation, which obtains concentration,
Chitosan solution, it is that 0.5-0.7 times of chitosan of silver nitrate after mixing evenly will be molten that quality is added into chitosan solution
Liquid pH value is controlled 4, and solution is heated to 40-50 DEG C under dark surrounds, is kept the temperature 3-4h, is then centrifuged for isolated solid,
It after solid is cleaned, is dry, is dissolved in sodium hydroxide solution, 0.01-0.02 times of solid masses is added into sodium hydroxide solution
Sodium borohydride, adjust pH to neutrality, successively by stirring, antibacterial granule is made in centrifuge separation after dry, pulverize；
(2) melt: by mixed material, heating melting is squeezed in screw extruder；
(3) spinning: the material after melting carries out spinning in filament spinning component, sprays from spinneret and forms melt stream, then
Monofilament is formed after quenching；
(4) oiling cluster: carrying out oiling cluster at nozzle, forms tow；Wherein, contain asphalt mixtures modified by epoxy resin in the spinning oil to oil
Rouge, the dosage of the epoxy resin are the 0.2-0.4% of preoriented yarn quality；
(5) pre- network: the tow carries out pre- network on pre- Network device；
(6) wind: the tow of pre- network is wound molding after seal wire at winding head, and wherein winding speed is 4300-
4500m/min。
2. a kind of 6 preoriented yarn of anti-bacterial wear-resisting polyamide fibre as described in claim 1, which is characterized in that the antibacterial granule is
Micron order or nanoscale.
3. a kind of 6 preoriented yarn of anti-bacterial wear-resisting polyamide fibre as described in claim 1, which is characterized in that the wear-resisting functions are female
Grain the preparation method comprises the following steps: by concentration be 8-12wt% graphene oxide water solution be heated to 50-60 DEG C, to graphene oxide water
The water-soluble polyamic acid solution that concentration is 4-6wt% is added dropwise in solution and is stirred simultaneously, wherein water-soluble polyamic acid is molten
The dripping quantity of liquid is 2-3 times of graphene oxide water solution volume, is uniformly dispersed to form colloidal sol after dropwise addition, stands 10- under room temperature
16h is washed away the unreacting substance in colloidal sol with water；Then colloidal sol is transferred in inert gas environment, with 5-7 DEG C/min's
Colloidal sol is warming up to 350-400 DEG C by heating rate, is kept the temperature 2-3h, is then continuously heating to the heating rate of 7-9 DEG C/min
500-550 DEG C, 4-5h is kept the temperature, reactant is then taken out, is dried after washing away the impurity in reactant, is made after finally crushing
Graphene aerogel dry powder；By polyether polyol, poly methylene poly phenyl poly isocyanate, glycerine, triethylene diamine, graphite
Alkene aeroge dry powder and water mixing, foaming is stirred at a temperature of 50-60 DEG C, aging 0.5-1h is stood at normal temperature, finally crushes
Obtain wear-resisting functions master batch；Wherein, in parts by mass, the polyether polyol is 40-50 parts, polymethylene polyphenyl polyisocyanate cyanogen
60-70 parts of acid esters, 2-3 parts of glycerine, 0.2-0.4 parts of triethylene diamine, 30-40 parts of graphene aerogel dry powder, 4-8 parts of water.
4. a kind of 6 preoriented yarn of anti-bacterial wear-resisting polyamide fibre as claimed in claim 1 or 3, which is characterized in that the wear-resisting functions
The partial size of master batch is 0.4-10 microns.
5. a kind of 6 preoriented yarn of anti-bacterial wear-resisting polyamide fibre as described in claim 1, which is characterized in that heat fusing in step (2)
Extruding is divided into 4 processes, and melting temperature is respectively as follows: 245-250 DEG C, 250-255 DEG C, 255-260 DEG C, 250-255 DEG C.
6. a kind of 6 preoriented yarn of anti-bacterial wear-resisting polyamide fibre as described in claim 1, which is characterized in that blowing is cold in step (3)
But temperature is 18-22 DEG C, cold air blast velocity 0.5-0.6m/s.
7. a kind of 6 preoriented yarn of anti-bacterial wear-resisting polyamide fibre as described in claim 1, which is characterized in that the pre- Network device
Pressure is 0.8-1.0bar.
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| CN108385191A (en) * | 2018-02-10 | 2018-08-10 | 海盐县硕创服装研究所 | Antibacterial nylon and preparation method thereof |
| CN108950718A (en) * | 2018-06-14 | 2018-12-07 | 摩登大道时尚集团股份有限公司 | A kind of multifunctional fibre and preparation method for hygiene garments face fabric |
| CN110484993A (en) * | 2019-09-02 | 2019-11-22 | 福州高科新技术开发有限公司 | A kind of antibacterial wear-resisting and waterproof washes the preparation method of 6 preoriented yarn of polyamide fibre |
| CN111345522A (en) * | 2020-03-02 | 2020-06-30 | 无锡新友达服装科技有限公司 | Wear-resisting western-style trousers |
| CN115161796A (en) * | 2022-07-05 | 2022-10-11 | 江阴市沙江纺织科技有限公司 | High-wear-resistance impact-resistance polyamide cord fabric |
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