CN105821511A - Black polyamide fiber and preparation method thereof - Google Patents
Black polyamide fiber and preparation method thereof Download PDFInfo
- Publication number
- CN105821511A CN105821511A CN201610406077.8A CN201610406077A CN105821511A CN 105821511 A CN105821511 A CN 105821511A CN 201610406077 A CN201610406077 A CN 201610406077A CN 105821511 A CN105821511 A CN 105821511A
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- Prior art keywords
- black
- fypro
- weight portion
- spinning
- copper
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- 239000000835 fiber Substances 0.000 title claims abstract description 22
- 239000004952 Polyamide Substances 0.000 title claims abstract description 13
- 229920002647 polyamide Polymers 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 238000009987 spinning Methods 0.000 claims abstract description 57
- YHMYGUUIMTVXNW-UHFFFAOYSA-N 1,3-dihydrobenzimidazole-2-thione Chemical compound C1=CC=C2NC(S)=NC2=C1 YHMYGUUIMTVXNW-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000005749 Copper compound Substances 0.000 claims abstract description 20
- 150000001880 copper compounds Chemical class 0.000 claims abstract description 20
- 239000006229 carbon black Substances 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 13
- 238000000465 moulding Methods 0.000 claims description 7
- GBRBMTNGQBKBQE-UHFFFAOYSA-L copper;diiodide Chemical compound I[Cu]I GBRBMTNGQBKBQE-UHFFFAOYSA-L 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims 2
- 150000002460 imidazoles Chemical class 0.000 claims 1
- RMVRSNDYEFQCLF-UHFFFAOYSA-N thiophenol Chemical compound SC1=CC=CC=C1 RMVRSNDYEFQCLF-UHFFFAOYSA-N 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 239000006231 channel black Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000004677 Nylon Substances 0.000 description 11
- 229920001778 nylon Polymers 0.000 description 11
- 238000004804 winding Methods 0.000 description 10
- 238000005422 blasting Methods 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000004745 nonwoven fabric Substances 0.000 description 7
- 239000011148 porous material Substances 0.000 description 7
- 229920002292 Nylon 6 Polymers 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 150000001879 copper Chemical class 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 6
- 229910052738 indium Inorganic materials 0.000 description 6
- 238000002074 melt spinning Methods 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 239000002994 raw material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920006052 Chinlon® Polymers 0.000 description 1
- 229920000305 Nylon 6,10 Polymers 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 229920000572 Nylon 6/12 Polymers 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000003851 azoles Chemical class 0.000 description 1
- 125000005605 benzo group Chemical group 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Artificial Filaments (AREA)
Abstract
The invention provides a black polyamide fiber and a preparation method thereof. The black polyamide fiber is prepared from, by weight, 100 parts of polyamide fibers, 0.3-1.0 part of channel black, 0.01-0.05 part of a copper compound and 0.1-0.5 part of 2-mercaptobenzimidazole. The black polyamide fiber has the good spinnability, strength and toughness and can be obtained through drafting at the spinning temperature of 280 DEG C or above at the speed of 525 m/min or above, and when the filament number is 30 d, the strength can reach 8.58 g/d, and the elongation can reach 24.7%. The preparation method is simple and easy to operate, practical and suitable for large-scale industrialized production.
Description
Technical field
The present invention relates to textile material technical field, particularly to a kind of black Fypro and preparation thereof
Method.
Background technology
Fypro is the most industrialized synthetic fibers, is commonly called as nylon, is also referred to as chinlon in China.By
In have prominent pliability, elastic recovery rate, wearability, alkali resistance, rotproofness, hygroscopicity and
The advantages such as light weight, Fypro is widely used in clothing, decoration, fishery, industrial and military
In field.Wherein, black Fypro is because of its good dehydration property and wearability and as fishing net, rope
The raw material of the products such as rope.
Channel carbon black, as additive conventional in a kind of polymer, can improve the toughness of Fypro.
But, channel carbon black is weak with the interaction of nylon, and for the cooling effect of polymer and not as general
Logical carbon black.Therefore, when producing thick multifilament fiber more than filament number 20d, if adding channel process
The carbon black cooling of type will be slack-off, and melting and the pendulum of silk in draw roll between fiber will occur
Dynamic, cause broken end, so using below 500m/min., even below 450m/min. low leading during spinning
Stretching speed, spinning temperature is polymer temperature less than 270 DEG C, even less than 265 DEG C.And in order to obtain height
Intensity, the fiber of high tenacity, it is necessary under high draft ratio, carry out spinning, and owing to carbon black is to plant
Impurity, high draft ratio can induce broken end, so that acquisition high intensity, high-ductility sex pilus become difficulty, because of
And after needing to carry out spinning with higher polymer temperature, then use high magnification drawing-off.But channel carbon black
Can be with high magnification drawing-off, but in this case, nylon composite fibre more than filament number 20d cold
But deficiency will become the most notable so that high temperature spinning becomes difficulty.
Summary of the invention
It is an object of the invention to provide a kind of black Fypro and preparation method thereof.The present invention provides
Black Fypro can carry out spinning at a temperature of high drafting rate and high spinning, have good
Spinnability, intensity and toughness.
The invention provides a kind of black Fypro, including following components:
Fypro 100 weight portion
Channel carbon black 0.3～1.0 weight portion
Copper compound 0.01～0.05 weight portion
2-mercaptobenzimidazole 0.1～0.5 weight portion.
Preferably, the quality of described 2-mercaptobenzimidazole is 8～10 times of copper compound quality.
Preferably, described copper compound is the halogenide of copper.
Preferably, described copper compound is Copper diiodide or copper chloride.
Preferably, the relative viscosity of described black Fypro is 3.0～3.6.
Preferably, the filament number of described black Fypro is not less than 20d.
Preferably, the fiber number of described black Fypro is 200～2000d.
Present invention also offers the preparation method of black Fypro described in a kind of technique scheme, bag
Include following steps:
Fypro, channel carbon black, copper compound and 2-mercaptobenzimidazole are added hot mixing, obtains
Spinning melt；
Described spinning melt is carried out spinning, then cools down molding, obtain black Fypro.
Preferably, the temperature of described spinning melt is 280～290 DEG C.
Preferably, the drafting rate during described cooling molding is 500～650m/min.
The invention provides a kind of black Fypro, including following components: Fypro 100 weight
Amount part, channel carbon black 0.3～1.0 weight portion, copper compound 0.01～0.05 weight portion, 2-sulfydryl benzo miaow
Azoles 0.1～0.5 weight portion.The black Fypro that the present invention provides is by adding copper compound and 2-sulfydryl
Benzimidazole, significantly improves cooldown rate, it is possible to spin at a temperature of high drafting rate and high spinning
Silk, has good spinnability, intensity and toughness.Test result indicate that, the black that the present invention provides gathers
Nylon can be carried out drawing-off with the speed of more than 525m/min and obtain under the spinning temperature more than 280 DEG C
Arrive, and when filament number is 30d, intensity is up to 8.58g/d, and percentage elongation is up to 24.7%.
Detailed description of the invention
The invention provides a kind of black Fypro, including following components:
Fypro 100 weight portion
Channel carbon black 0.3～1.0 weight portion
Copper compound 0.01～0.05 weight portion
2-mercaptobenzimidazole 0.1～0.5 weight portion.
The black Fypro that the present invention provides includes the Fypro of 100 weight portions.The present invention couple
The kind of described Fypro does not has special restriction, uses polyamide well known to those skilled in the art
Fiber.In the present invention, described Fypro is preferably nylon 6, nylon66 fiber, nylon 612
Or NYLON610.In the present invention, the relative viscosity of described Fypro is preferably 3.0～3.6.At this
In invention, described relative viscosity is using sulphuric acid that purity is 96% as solvent, is 1g/dl in concentration, temperature
Degree is the viscosity being measured at 25 DEG C.
The black Fypro that the present invention provides includes the channel carbon black of 0.3～1.0 weight portions, is preferably
0.4～0.6 weight portion.The present invention does not has special requirement to described channel carbon black, uses people in the art
Commercially available channel carbon black known to Yuan.In the present invention, by controlling the addition raising of channel carbon black
The spinnability of fiber, on the basis of 100 weight parts of polyamide fibers, the addition of described channel carbon black exists
Time below 0.3 weight portion, cooling effect is deteriorated, and silk shake severity in draw roll, spinnability is deteriorated；Described
Do not reach intensity when the addition of channel carbon black is more than 1.0 weight portions, and spinnability is deteriorated.In the present invention
In, there is between described channel carbon black and polyamide more weak interaction, i.e. same spinning temperature,
Under same draft process, when the addition of channel carbon black is the 0.4% of amount of polymers, adds and be not added with groove
The polymer strength ratio of method carbon black is more than 0.95, can improve the toughness of Fypro.
The black Fypro that the present invention provides includes the copper compound of 0.01～0.05 weight portion, is preferably
0.02～0.04 weight portion.In the present invention, described copper compound is preferably the halogenide of copper, more preferably
Copper diiodide or copper chloride.In the present invention, described copper compound can improve cooling effect, so that single
The fiber of more than silk size 20d quickly can cool down under higher drafting rate.
The black Fypro that the present invention provides also includes the 2-mercaptobenzimidazole of 0.1～0.5 weight portion,
More preferably 0.2～0.4 weight portion.In the present invention, the Functionality, quality and appealing design of described 2-mercaptobenzimidazole elects copper as
8～10 times of compound quality.In the present invention, described 2-mercaptobenzimidazole can improve above-mentioned technology
The dispersibility of copper compound described in scheme and heat stability.
In the present invention, the filament number of described black Fypro is preferably not lower than 20d, more preferably
It is 20～40d.When the filament number of described black Fypro is higher than 40d, owing to being difficult to reach abundant
The effect of cooling, can cause silk shake aggravation in draw roll thus break end, it is impossible to carry out stable
Produce.In the present invention, the fiber number of described black Fypro is preferably 200～2000d, more preferably
500～1500d, most preferably 800～1200d.
Present invention also offers the preparation method of black Fypro described in a kind of technique scheme, bag
Include following steps:
Fypro, channel carbon black, copper compound and 2-mercaptobenzimidazole are added hot mixing, obtains
Spinning melt；
Described spinning melt is carried out spinning, then cools down molding, obtain black Fypro.
First Fypro, channel carbon black, copper compound and 2-mercaptobenzimidazole are heated by the present invention
Mixing, obtains spinning melt.The present invention does not has special restriction to the preparation method of described spinning melt,
Use the technical scheme preparing spinning melt well known to those skilled in the art.In the present invention, institute
The temperature stating spinning melt is preferably 280～290 DEG C, more preferably 283～287 DEG C.Described spinning melt
Temperature is too high, can cause depolymerization and form bubble；The temperature of described spinning melt is too low, can lead
The viscosity causing melt is too high, flows uneven, makes birth fiber be easily generated lousiness, broken end when stretching.This
Invention does not has special restriction to the described device preparing spinning melt, uses those skilled in the art to know
The device preparing spinning melt.In the present invention, the preparation of described spinning melt is preferably at screw rod
Extruder is carried out.In the present invention, the temperature of the most each section of screw rod in described screw extruder
Degree is respectively preferably 265～275 DEG C, 275～285 DEG C, 265～275 DEG C, 280～290 DEG C, 280～290 DEG C successively.
In order to remove some gels and tiny solids in melt, prevent it from reducing fibre strength and tough
Property, the spinning melt obtained preferably is filtered by the present invention.The operation of described filtration is not had by the present invention
Special restriction, uses the technical scheme of filtration well known to those skilled in the art.In the present invention,
Preferably employ metal non-woven fabrics the spinning melt obtained is filtered.In the present invention, described metal without
The average pore size spinning cloth is preferably 15～25 μm, more preferably 18～22 μm.
After obtaining spinning melt, the present invention carries out spinning to described spinning melt.The present invention is to described spinning
Method and apparatus there is no special restriction, use the technical scheme of spinning well known to those skilled in the art
?.In the present invention, it is preferred to the spinning melt obtained is delivered to filament spinning component, by spinneret orifice extrude into
Row spinning.In the present invention, the aperture of described filament spinning component is preferably 0.5～0.8mm, is preferably
0.6～0.7mm；The hole count of described filament spinning component is preferably 30～40, more preferably 34～36.
After completing described spinning, the present invention monofilament to obtaining carries out cooling down molding, obtains black polyamide
Fiber.In the present invention, described cooling molding carries out drawing-off after being preferably cooling.The present invention is to described cold
But there is no special restriction with the method and apparatus of drawing-off, use cooling well known to those skilled in the art and
The technical scheme of drawing-off.In the present invention, the condition of described cooling is preferably humidity 85～95%, side
Blowing temperature 15～20 DEG C, cross air blasting height 1.8～2.3 meters.In the present invention, the temperature of described drawing-off is excellent
Elect 190～200 DEG C as, more preferably 193～197 DEG C；Described drafting rate is preferably 500～650m/min,
More preferably 530～600 DEG C, most preferably 550～580 DEG C；The multiplying power of described drawing-off is preferably 4.6～5,
More preferably 4.8～4.9；Described drawing-off hop count is preferably 2～4.
After completing described cooling molding, the monofilament obtained preferably is wound by the present invention, obtains black and gathers
Nylon.The present invention does not has special restriction to the method and apparatus of described winding, uses this area skill
The technical scheme of the winding known to art personnel.In the present invention, the speed of described winding is preferably
2300～2900m/min, more preferably 2500～2700m/min, most preferably 2550～2650m/min.
In order to further illustrate the present invention, the black polyamide provided the present invention below in conjunction with embodiment is fine
Dimension is described in detail, but they can not be interpreted as limiting the scope of the present invention.
Comparative example:
The method using melt spinning, by the nylon 6 slice of 100 weight portion relative viscositys 3.40, with 0.4
Weight portion channel carbon black, together extrusion screw rod, the design temperature of screw rod is 265 DEG C, 280 DEG C, 270 DEG C,
284 DEG C, 284 DEG C, after utilizing the metal non-woven fabrics of average pore size 20 μm to filter, use aperture 0.65mm,
The assembly of hole count 35 carries out spinning, and cross air blasting height is 2.1 meters, in cross air blasting temperature 17 DEG C, humidity 90%
In the environment of cool down, afterwards with 3 sections of drawing-offs 4.80 in the case of draft speed 550m/min., temperature 195 DEG C
Multiple stretches, and batches under winding speed 2400m/min, and the black obtaining filament number 58d gathers
Nylon.
Embodiment 1:
With nylon 6, the 0.4 weight portion channel carbon black of 100 weight portion relative viscositys 3.40,0.02 weight portion
Copper diiodide and 0.2 weight portion 2-mercaptobenzimidazole, for raw material, use the spinning process identical with comparative example
Prepare the black Fypro of filament number 30d.
Embodiment 2:
The method using melt spinning, by nylon 6,0.4 weight portion of 100 weight portion relative viscositys 3.40
Channel carbon black, 0.02 parts by weight of iodinated copper and 0.2 weight portion 2-mercaptobenzimidazole, together extrusion screw rod,
The design temperature of screw rod is 265 DEG C, 280 DEG C, 270 DEG C, 285 DEG C, 285 DEG C, utilizes average pore size 20 μm
Metal non-woven fabrics filter after, use aperture 0.65mm, the assembly of hole count 35 to carry out spinning, side-blown
Wind height is 2.1 meters, cools down, use drawing-off afterwards in the environment of cross air blasting temperature 17 DEG C, humidity 90%
In the case of speed 550m/min., temperature 195 DEG C, 3 sections of drawing-off 4.8 multiples stretch, in winding speed
Batch under degree 2350m/min, obtain the black Fypro of filament number 30d.
Embodiment 3:
Think nylon 6, the 0.8 weight portion channel carbon black of raw material 100 weight portion relative viscosity 3.40,0.02
Parts by weight of iodinated copper and 0.2 weight portion 2-mercaptobenzimidazole, use spinning process same as in Example 2
Obtain the black Fypro of filament number 30d.
Embodiment 4:
With nylon 6, the 0.4 weight portion channel carbon black of 100 weight portion relative viscositys 3.40,0.04 weight portion
Copper diiodide and 0.4 weight portion 2-mercaptobenzimidazole are raw material, use spinning process same as in Example 2
Obtain the black Fypro of filament number 30d.
Embodiment 5:
With nylon 6, the 0.4 weight portion channel carbon black of 100 weight portion relative viscositys 3.40,0.015 weight
Part Copper diiodide and 0.12 weight portion 2-mercaptobenzimidazole are raw material, use spinning same as in Example 2
Method obtains the black Fypro of filament number 30d.
Embodiment 6:
The method using melt spinning, by nylon 6,0.4 weight portion of 100 weight portion relative viscositys 3.40
Channel carbon black, 0.02 parts by weight of iodinated copper and 0.2 weight portion 2-mercaptobenzimidazole, together extrusion screw rod,
The design temperature of screw rod is 265 DEG C, 280 DEG C, 270 DEG C, 283 DEG C, 283 DEG C, utilizes average pore size 20 μm
Metal non-woven fabrics filter after, use aperture 0.65mm, the assembly of hole count 35 to carry out spinning, side-blown
Wind height is 2.1 meters, cools down, use drawing-off afterwards in the environment of cross air blasting temperature 17 DEG C, humidity 90%
In the case of speed 550m/min., temperature 195 DEG C, 3 sections of drawing-off 4.80 multiples stretch, in winding speed
Batch under degree 2400m/min, obtain the black Fypro of filament number 30d.
Embodiment 7:
The method using melt spinning, by nylon 6,0.4 weight portion of 100 weight portion relative viscositys 3.40
Channel carbon black, 0.02 parts by weight of iodinated copper and 0.2 weight portion 2-mercaptobenzimidazole, together extrusion screw rod,
The design temperature of screw rod is 265 DEG C, 280 DEG C, 270 DEG C, 283 DEG C, 283 DEG C, utilizes average pore size 20 μm
Metal non-woven fabrics filter after, use aperture 0.65mm, the assembly of hole count 35 to carry out spinning, side-blown
Wind height is 2.1 meters, cools down, use drawing-off afterwards in the environment of cross air blasting temperature 17 DEG C, humidity 90%
In the case of speed 650m/min., temperature 195 DEG C, 3 sections of drawing-off 4.85 multiples stretch, in winding speed
Batch under degree 2390m/min, obtain the black Fypro of filament number 30d.
Embodiment 8:
The method using melt spinning, by nylon 6,0.4 weight portion of 100 weight portion relative viscositys 3.40
Channel carbon black, 0.02 parts by weight of iodinated copper and 0.2 weight portion 2-mercaptobenzimidazole, together extrusion screw rod,
The design temperature of screw rod is 265 DEG C, 280 DEG C, 270 DEG C, 284 DEG C, 284 DEG C, utilizes average pore size 20 μm
Metal non-woven fabrics filter after, use aperture 0.65mm, the assembly of hole count 35 to carry out spinning, side-blown
Wind height is 2.1 meters, cools down, use drawing-off afterwards in the environment of cross air blasting temperature 17 DEG C, humidity 90%
In the case of speed 600m/min., temperature 195 DEG C, 3 sections of drawing-off 4.775 multiples stretch, at winding
Batch under speed 2520m/min, obtain the black Fypro of filament number 30d.
Embodiment 9:
The method using melt spinning, by nylon 6,0.4 weight portion of 100 weight portion relative viscositys 3.40
Channel carbon black, 0.02 parts by weight of iodinated copper and 0.2 weight portion 2-mercaptobenzimidazole, together extrusion screw rod,
The design temperature of screw rod is 265 DEG C, 280 DEG C, 270 DEG C, 284 DEG C, 284 DEG C, utilizes average pore size 20 μm
Metal non-woven fabrics filter after, use aperture 0.65mm, the assembly of hole count 35 to carry out spinning, side-blown
Wind height is 2.1 meters, cools down, use drawing-off afterwards in the environment of cross air blasting temperature 17 DEG C, humidity 90%
In the case of speed 650m/min., temperature 195 DEG C, 3 sections of drawing-off 4.75 multiples stretch, in winding speed
Batch under degree 2850m/min, obtain the black Fypro of filament number 30d.
The performance of the black Fypro prepared in comparative example and embodiment 1～9 is as shown in table 1.
Wherein being expressed as of spinnability: 1 winder winding breaks end time in the case of 2 silk cylinders, spinning in 12 hours
Several less than 1 time for zero, 2～3 time for zero～△, 4～6 times for △, be for more than 6 times ×, zero～
The spinnability of more than △ is calculated good, it is allowed to scope.
Black Fypro performance comparison in table 1 comparative example and embodiment
| Performance | Kind | Filament number/d | Strength g/d | Percentage elongation % | Spinnability |
| Comparative example | 1050d/18f | 58 | 6.9 | 20 | × |
| Embodiment 1 | 1050d/35f | 30 | 8.51 | 23.96 | ○ |
| Embodiment 2 | 1050d/35f | 30 | 8.52 | 24.5 | ○ |
| Embodiment 3 | 1050d/35f | 30 | 8.48 | 23.3 | ○ |
| Embodiment 4 | 1050d/35f | 30 | 8.55 | 24.7 | ○ |
| Embodiment 5 | 1050d/35f | 30 | 8.58 | 23.9 | ○ |
| Embodiment 6 | 1050d/35f | 30 | 8.54 | 23.7 | ○ |
| Embodiment 7 | 1050d/35f | 30 | 8.57 | 23.0 | Zero～△ |
| Embodiment 8 | 1050d/35f | 30 | 8.53 | 23.6 | ○ |
| Embodiment 9 | 1050d/35f | 30 | 8.49 | 24.0 | Zero～△ |
By above comparative example and embodiment it can be seen that the black Fypro that the present invention provides can be
Under the spinning temperature of more than 280 DEG C, carry out drawing-off with the speed of more than 525m/min and obtain, and monofilament is fine
When degree is for 30d, intensity is up to 8.58g/d, and percentage elongation is up to 24.7%.
It should be pointed out that, for those skilled in the art, without departing from the principle of the invention
On the premise of, it is also possible to making some improvements and modifications, these improvements and modifications also should be regarded as the present invention's
Protection domain.
Claims (10)
1. a black Fypro, including following components:
Fypro 100 weight portion
Channel carbon black 0.3～1.0 weight portion
Copper compound 0.01～0.05 weight portion
2-mercaptobenzimidazole 0.1～0.5 weight portion.
Black Fypro the most according to claim 1, it is characterised in that described 2-sulfydryl benzene
And 8～10 times that the quality of imidazoles is copper compound quality.
Black Fypro the most according to claim 1 and 2, it is characterised in that described copper
Compound is the halogenide of copper.
Black Fypro the most according to claim 3, it is characterised in that described copper compound
For Copper diiodide or copper chloride.
Black Fypro the most according to claim 1, it is characterised in that described polyamide is fine
The relative viscosity of dimension is 3.0～3.6.
Black Fypro the most according to claim 1, it is characterised in that described black polyamides
The filament number of amine fiber is not less than 20d.
Black Fypro the most according to claim 6, it is characterised in that described black polyamides
The fiber number of amine fiber is 200～2000d.
8. a preparation method for black Fypro described in any one in claim 1～7, bag
Include following steps:
Fypro, channel carbon black, copper compound and 2-mercaptobenzimidazole are added hot mixing, obtains
Spinning melt；
Described spinning melt is carried out spinning, then cools down molding, obtain black Fypro.
Preparation method the most according to claim 8, it is characterised in that the temperature of described spinning melt
It it is 265～290 DEG C.
Preparation method the most according to claim 8, it is characterised in that described cooling forming process
In drafting rate be 500～650m/min.
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| CN106398190A (en) * | 2016-08-31 | 2017-02-15 | 江苏海阳化纤有限公司 | High-spinnability nylon composition and method for preparing nylon fiber |
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| CN102816428A (en) * | 2012-08-20 | 2012-12-12 | 中国兵器工业集团第五三研究所 | Anti-aging lubricating nylon-66 material with appropriate rigidness and flexibility |
| CN104451916A (en) * | 2014-12-01 | 2015-03-25 | 烟台华润锦纶有限公司 | Production process for black nylon stretch yarns |
| CN104630927A (en) * | 2013-11-12 | 2015-05-20 | 嵇春霞 | Melt blending spinning black high strength nylon filament and production method thereof |
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| CN102816428A (en) * | 2012-08-20 | 2012-12-12 | 中国兵器工业集团第五三研究所 | Anti-aging lubricating nylon-66 material with appropriate rigidness and flexibility |
| CN104630927A (en) * | 2013-11-12 | 2015-05-20 | 嵇春霞 | Melt blending spinning black high strength nylon filament and production method thereof |
| CN104451916A (en) * | 2014-12-01 | 2015-03-25 | 烟台华润锦纶有限公司 | Production process for black nylon stretch yarns |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106398190A (en) * | 2016-08-31 | 2017-02-15 | 江苏海阳化纤有限公司 | High-spinnability nylon composition and method for preparing nylon fiber |
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