CN108048921A - A kind of production method of 66 industrial yarn of superelevation fracture strength polyamide fibre - Google Patents
A kind of production method of 66 industrial yarn of superelevation fracture strength polyamide fibre Download PDFInfo
- Publication number
- CN108048921A CN108048921A CN201711239673.2A CN201711239673A CN108048921A CN 108048921 A CN108048921 A CN 108048921A CN 201711239673 A CN201711239673 A CN 201711239673A CN 108048921 A CN108048921 A CN 108048921A
- Authority
- CN
- China
- Prior art keywords
- mesh
- spinneret
- sand
- polyamide fibre
- superelevation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
-
- 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
- D01D1/00—Treatment of filament-forming or like material
-
- 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
- D01D1/00—Treatment of filament-forming or like material
- D01D1/10—Filtering or de-aerating the spinning solution or melt
- D01D1/106—Filtering
-
- 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
-
- 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
- D01D5/12—Stretch-spinning methods
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Artificial Filaments (AREA)
Abstract
The invention discloses a kind of production methods of 66 industrial yarn of superelevation fracture strength polyamide fibre.It cuts into slices first to polyamide fibre 66 and carries out solid phase thickening, obtain high viscous section；By the high viscous section melting of gained, obtain melt；Melt is sent to process filtering, metering successively in spinning box assembly, passes through the spinneret spinneret being equipped in component；Gained tow cooling is molded, and tow after cooling oils and homogenized through even oily device；Rear strand tensile sizing is homogenized, finally winding obtains 66 industrial yarn of superelevation fracture strength polyamide fibre.Spinning box assembly includes sand box and filament spinning component housing, sand box open at one end, melt inlet is equipped in the middle part of the other end, is equipped with strainer, metal sand, the first metal fiber felt, distribution plate, the second metal fiber felt, the first sealing ring and spinneret successively from melt inlet end；The second sealing ring is equipped at sand box melt inlet.66 industrial yarn of polyamide fibre prepared using the present invention has the fracture strength of superelevation, and intensity can reach more than 10.80g/d.
Description
First, technical field：
The present invention relates to a kind of production methods of 66 industrial yarn of polyamide fibre, and in particular to a kind of 66 work of superelevation fracture strength polyamide fibre
The production method of industry silk.
2nd, background technology：
66 industrial yarn of polyamide fibre has the characteristics that intensity height, high temperature resistant, dimensionally stable, is widely used in cord fabric, canvas, biography
The excellent conjunction fiber material of defeated band and wool packaging bag etc..It can be additionally used in air bag silk, tire, aviation tire, extraordinary tire, landing
The fields such as umbrella, base camp tent, conveyer belt, industrial filter cloth, rope, safety belt and military product.
Industry is led with 66 industrial yarn of polyamide fibre mainly for the production of technologies such as tyre cord, conveyer belt, canvas, high-strength ropes
Domain.Recently as the rapid development of auto industry, the demand of super tire is also constantly being expanded.Tire user requirement is adopted
With 66 industrial yarn of higher intensity polyamide fibre produce 66 cord fabric of polyamide fibre, to realize that tyre cord subtracts layer, make tire fuel-economizing lightweight,
Rolling resistance is reduced, increases tire safety, extend Life of Tyre.Under technical conditions at this stage, connected using conventional
Continuous polymer melt directly spins one-step technology and is produced, and obtains domestic industry and is with the fracture strength of 66 industrial yarn of conventional polyamide fibre
9.5g/d, 66 industrial yarn fracture strength of high-strength polyamide is up to 10.0g/d.
At present, the sample test collected from the market, foreign countries are such as：The high-tenacity silk fracture of Japanese Asahi Kasei Corporation's production is strong
Degree is up to 10.1g/d, the high-tenacity silk fracture strength of Ke Sai companies of U.S. production is up to 9.7g/d, Slovakia NEXIS public affairs
The high-tenacity silk fracture strength of department's production is up to 9.8g/d, and 66 industrial yarn fracture strength 10.5g/ of high-end user polyamide fibre is not achieved
The requirement of more than d.Therefore, for the art, it is necessary to which related technical personnel develop new technology, to improve industry use
The fracture strength of 66 industrial yarn of polyamide fibre, to meet the needs of high-end customer production high safety reliability tire.
3rd, the content of the invention：
The technical problem to be solved by the present invention is to：According in the prior art to the urgent of high 66 industrial yarn of fracture strength polyamide fibre
Demand, the present invention provide a kind of production method of 66 industrial yarn of superelevation fracture strength polyamide fibre.It is prepared using technical solution of the present invention
66 industrial yarn of polyamide fibre there is the fracture strength of superelevation, intensity can reach more than 10.80g/d.
To solve the above-mentioned problems, the present invention adopts the technical scheme that：
The present invention provides a kind of production method of 66 industrial yarn of superelevation fracture strength polyamide fibre, and the production method includes following
Step：
A, solid phase viscosifies：The polyamide fibre 66 that relative viscosity is 2.20~2.50 is cut into slices first and is put into reaction vessel,
The section of polyamide fibre 66 is dried using 140~160 DEG C of nitrogen, drying time is 15~23h, and relative viscosity is obtained after dry
Section is glued for 2.6~3.1 height；
B, section melt extruded：The obtained height of step a is glued section to send into screw extruder, adjustment screw extruder temperature
It spends for 300~315 DEG C, makes the viscous section melting of its height, obtain melt；
C, melt filtration metering spinneret：Melt obtained by step b is sent by melt pipe to spinning box assembly, melt into
It is filtered successively (successively through strainer, metal sand, the first metal fiber felt and the second gold medal after melt entrance after entering spinning box assembly
Belong to fibrofelt filtering), metering pump-metered, carry out spinneret, the spray that spinneret is equipped with finally by the spinneret that is equipped in component
Wire hole draw ratio is 1.4~2.5：1；
Metal sand of the gel through being equipped in spinning box assembly generated in melting process of cutting into slices is cut and passes through essence
(the first metal fiber felt and the second metal fiber felt carry out fine filtering to the gel particle after metal sand cutting, together for thin filtering
Shi Youxiao prevents fine metal sand particle from entering in the spinneret orifice of spinneret)；
D, tow cooling is molded：The tow that step c is sprayed from spinneret use temperature for 12~20 DEG C, humidity be 60~
85%th, air quantity is that 1000~1600 cubes ms/h of cold wind is cooled down and (so can effectively prevent monofilament adhesion)；
E, tow, which oils, homogenizes：Gained tow oils after step d is cooled down, and adheres to monofilament oil film with even oily device
Uniformly (compressed air pressure for controlling even oily device is 0.1~0.5bar, thus can effectively eliminate electrostatic, improve spinnability, make list
The attachment of silk oil film is uniform, so can effectively reduce lousiness)；It is 0.5~1.5% to homogenize the finish adhesion amount on rear tow；
F, drawing and setting：Tow after being oiled using fine flour draw roll to step e is stretched, and selectes roll surface roughness
For 1.0~1.8；Four pairs of hot-rollings, secondary drawing, level-one relaxation；Total draw ratio is 5.50~6.40 times, is occurred according to drawing point
Level-one draw ratio is selected on the tow of 5~10cm above 1 roller；Draft temperature is 170~250 DEG C, relaxation rate for 0.930~
0.950；
G, wind：Tow after step f drawing and settings is wound, sets winding speed as 2300~2800 ms/min,
66 industrial yarn of superelevation fracture strength polyamide fibre is made after winding.
According to the production method of above-mentioned 66 industrial yarn of superelevation fracture strength polyamide fibre, the ingredient of metal sand described in step c
Weight percent composition is C 0.06%, Cr 37.0%, Fe 57.5%, Ni 0.68% and Si 4.76%.
According to the production method of above-mentioned 66 industrial yarn of superelevation fracture strength polyamide fibre, metal sand specification is described in step c
20~35 mesh；Specification is 20~30 mesh account for 85.0wt%, 30~40 mesh account for 10.0wt%, 40~50 in the metal sand of 20~35 mesh
Mesh accounts for 3.9wt% and 50~100 mesh account for 1.1wt%；
Or the specification of the metal sand is 45~60 mesh, specification accounts for for 45~60 mesh in the metal sand of 45~60 mesh
95.0wt%, 60~90 mesh account for 4.0wt% and 90~100 mesh account for 1.0wt%.
According to the production method of above-mentioned 66 industrial yarn of superelevation fracture strength polyamide fibre, spinning box assembly bag described in step c
Sand box and filament spinning component housing, the open at one end of the sand box are included, the other end middle part of sand box is equipped with melt inlet, the sand box
It is interior to be equipped with strainer, metal sand, the first metal fiber felt, distribution plate, the second metal fiber felt, first successively from melt inlet end
Sealing ring, spinneret are equipped with gap between the distribution plate and sand box inner wall, first sealing ring is to include vertical edges and horizontal stroke
To the L-shaped sealing ring on side, the vertical edges of first sealing ring are secured in the gap between distribution plate and sand box inner wall, and first
Second metal fiber felt is pressed on distribution plate by sealing ring, and the spinneret axial direction is arranged to stepped, spinneret with
The adjacent one end diameter of first sealing ring is small, and the outer diameter of spinneret and the first sealing ring abutting end is adapted with sand box internal diameter, spray
In filament plate insertion sand box in one end adjacent with the second metal fiber felt, the shaft shoulder of spinneret is ridden on the open end end face of sand box,
The open at one end of the filament spinning component housing, one end internal side wall of filament spinning component housing opening are machined with internal thread, spinning group
The other end of part housing is equipped with annular rib, the intermediate openings of the annular rib, the internal diameter and sand of the filament spinning component housing
Box outer diameter is adapted, and in the sand box insertion filament spinning component housing, the inner side end of the annular rib connects with spinneret edge
It touches.
According to the production method of above-mentioned 66 industrial yarn of superelevation fracture strength polyamide fibre, the strainer is the wire of 100 mesh
Strainer.
According to the production method of above-mentioned 66 industrial yarn of superelevation fracture strength polyamide fibre, at the melt inlet in the middle part of the sand box
The second sealing ring is placed to be docked with manifold inner assembly；First sealing ring and the second sealing ring are alumiseal circle.
According to the production method of above-mentioned 66 industrial yarn of superelevation fracture strength polyamide fibre, the Ingredients Weight percentage of the metal sand
It is C 0.06%, Cr 37.0%, Fe 57.5%, Ni 0.68% and Si 4.76% than composition；
The metal sand specification is 20~35 mesh；Specification for 20~35 mesh metal sand in 20~30 mesh account for 85.0wt%,
30~40 mesh account for 10.0wt%, 40~50 mesh account for 3.9wt% and 50~100 mesh account for 1.1wt%；
Or the specification of the metal sand is 45~60 mesh, specification accounts for for 45~60 mesh in the metal sand of 45~60 mesh
95.0wt%, 60~90 mesh account for 4.0wt% and 90~100 mesh account for 1.0wt%.
According to the production method of above-mentioned 66 industrial yarn of superelevation fracture strength polyamide fibre, the spinneret is equipped with spinneret orifice,
The draw ratio of spinneret orifice is 1.4~2.5：1.
According to the production method of above-mentioned 66 industrial yarn of superelevation fracture strength polyamide fibre, first metal fiber felt and second
The specification of metal fiber felt is 200~375 mesh.
According to the production method of above-mentioned 66 industrial yarn of superelevation fracture strength polyamide fibre, first metal fiber felt and second
The specification of metal fiber felt is 375 mesh.
Since the main component of polyamide fibre 66 is hexamethylene diamine, adipic acid, hexamethylene diamine, adipic acid, which react, generates polyamide
66, molecular structure is the long-chain molecule formed by many constitutional repeating units by amide key connection, and a part is big in production
Molecule at high temperature, can generate the cyclopentanone of ring shaped molecule structure, and it is netted that crosslinking is promoted between nylon66 fiber macromolecular chain to generate
The gel of structure, the gel of generation adversely affect spinnability, can increase lousiness, fracture of wire frequency, make under fiber quality
Drop.Therefore, metal sand of the gel of generation through being equipped in spinning box assembly of the present invention is cut and fine through metal fiber felt
Filtering, reduces high-viscosity melt polymeric impurities content, super drawing is enable to realize.
The installation step of the spinning box assembly used in production method of the present invention is as follows：
1) by sand box 1 mouthful keep flat upward, strainer 2 is kept flat into 1 bottom of sand box, prevents the melt of metal sand from sand box 1 from entering
It is leaked out at mouthful；
2) a certain amount of metal sand 3 is poured into sand box 1 and shakeouts, is compacted, as filtering material；
3) the first metal fiber felt 4 is lain on metal sand 3, melt is filtered and meanwhile prevent metal sand 3 into
Enter spinneret；
4) distribution plate 5 is lain on metal fiber felt 4, makes 66 melt flows of polyamide fibre uniform；
5) the second metal fiber felt 6 is put into alumiseal circle 7 (the first sealing ring), then fastens alumiseal circle 7
On distribution plate 5, prevent melt leakage simultaneously to melt secondary filter；
6) spinneret 8 is lain on alumiseal circle 7, fastened；
7) assembly housing 9 is buckled on the sand box 1 assembled, position of turning upside down, makes 1 melt inlet of sand box upward；
8) melt inlet alumiseal circle 10 (the second sealing ring) is put into the melt inlet of sand box 1, prevents melt leakage,
It is connected using the spiral shape screw thread in assembly housing 9 with the silk head in manifold, you can normal use.
The positive beneficial effect of the present invention：
1st, the present invention obtains high viscous section by the process that solid phase viscosifies, so that 66 industrial yarn of manufactured polyamide fibre breaks
Resistance to spalling highest can reach more than 10.8g/d.
2nd, the present invention is by using special graininess alloy filtering material, that is, metal sand anti-to polyamide in spinning box assembly
The gel that process generates is answered to be cut and through metal fiber felt fine filtering, reduce high-viscosity melt polymeric impurities and contain
Amount, enables follow-up super drawing to realize.
3rd, there is position selection level-one draw ratio according to drawing point in the present invention, and fracture of wire number is less when making stretching.
4th, the present invention selects the smaller draw roll of surface roughness, and lousiness is less when making its production.
5th, the present invention makes the covering of monofilament oil film uniform using even oily device, and lousiness is few during production, so as to improve spinnability.
6th, overall technical architecture of the present invention helps to improve the intensity of 66 cord fabric of polyamide fibre, reduces Tire production cost, carries
High tire enterprise competitiveness.
7th, the manifold modular construction that the present invention uses is simple, and easy to assembly, good filtration effect, component service life is long,
At low cost, lousiness is few.
8th, the metal sand used in spinning box assembly of the present invention has excellent abnormally-structured, and the acute angle of sand can be to polyamides
Amine gel particles are cut, and are reduced lousiness and are generated.The metal fiber felt of use has multilayered and graded structure, and porosity is big and arranges
Uniformly, internal rambling gradient aperture structure, forms numerous different, cranky filtration channel.It is unique
Structure filtering material is caused to possess high-strength pollutant carrying capacity and excellent strainability.Using metal fiber felt to gel particles
Fine filtering is carried out, while tiny metal sand particle is effectively prevented to enter in the micropore of spinneret.Metal sand and metallic fiber
Felting reason is used cooperatively, and 66 melt of polyamide fibre is filtered, it is steady substantially to show the production more excellent than other filter materials in production
Qualitative and good product quality, has been obviously improved the strainability of component.
9th, the spinning box assembly service life that the present invention uses extends, and reduces unit replacement quantity, and production cost reduces, gold
Belong to sand because its degree of profile is high, large specific surface area, porosity is high, and component pressure is stablized, and boost process is slow and steady, and component uses week
Phase extends 50%；Lousiness and end breakage rate can be reduced, metal sand has the sharp polymorphic structure of irregular bumps, high viscous in filtering
Spending has high shear ability in melt process, gel particles can be cut, and improves spinnability, using metal sand and metal
After fibrofelt filter material, lousiness distribution changes, and the few silk cylinder of lousiness number (0-2 lousiness of warp thread) ratio improves 9%, lousiness number
More silk cylinder (3-14 lousiness of weft yarn) ratios declines 8%, 66 industrial yarn increased quality of polyamide fibre；Metal sand is full of entire sand box chamber
Body is bonded tightly with metal fiber felt, effectively prevents component leakage, and component leakage amount reduces 87%；Under component filter material cost
Drop more than 40%.
4th, illustrate：
The sectional structure of the spinning box assembly used in Fig. 1 66 industrial yarn production methods of superelevation fracture strength polyamide fibre of the present invention
Schematic diagram.
In Fig. 1：1 is sand box, and 2 be strainer, and 3 be metal sand, and 4 be the first metal fiber felt, and 5 be distribution plate, and 6 be the second gold medal
Belong to fibrofelt, 7 be the first sealing ring, and 8 be spinneret, and 9 be assembly housing, and 10 be the second sealing ring.
5th, specific embodiment：
The present invention is further explained with reference to embodiments, but is not intended to limit the technology contents that the present invention protects.
Embodiment 1：
The production method of 66 industrial yarn of superelevation fracture strength polyamide fibre of the present invention, the detailed step of the production method are as follows：
A, solid phase viscosifies：The polyamide fibre 66 that relative viscosity is 2.28 is cut into slices first and is put into reaction vessel, using 160
DEG C nitrogen the section of polyamide fibre 66 is dried, drying time 15h obtains the height that relative viscosity is 2.67 and glues to cut after dry
Piece；
B, section melt extruded：The obtained height of step a is glued section to send into screw extruder, adjustment screw extruder temperature
It spends for 310 DEG C, makes the viscous section melting of its height, obtain melt；
C, melt filtration metering spinneret：Melt obtained by step b is sent by melt pipe to spinning box assembly, melt into
After entering spinning box assembly, the strainer being equipped in component, the first metal fiber felt and the filtering of the second metal fiber felt, mistake are first passed around
Through measuring pump-metered after filter, spinneret, the spinneret orifice major diameter that spinneret is equipped with are carried out finally by the spinneret being equipped in component
Than for 1.4~2.5：1；
Metal sand of the gel through being equipped in component generated in melting process of cutting into slices is cut and through the first metal fibre
Tie up felt and the second metal fiber felt fine filtering；
D, tow cooling is molded：The tow that step c is sprayed from spinneret use temperature for 20 DEG C, humidity 70%, wind
It measures and is cooled down for 1150 cubes ms/h of cold wind, so can effectively prevent monofilament adhesion；
E, tow, which oils, homogenizes：Gained tow oils after step d is cooled down, and (controls even oily device with even oily device
Compressed air pressure is 0.3bar) make the attachment of monofilament oil film uniform, reduce lousiness；The finish adhesion amount homogenized on rear tow is
1.03% (thus can effectively eliminate electrostatic, improve spinnability)；
F, drawing and setting：
Tow after being oiled using fine flour draw roll to step e is stretched, and it is 1.3 to select roll surface roughness；
It stretches：The four pairs of hot-rolling stretch mode to be relaxed using secondary drawing, level-one；Total draw ratio is 5.65 times, level-one
Draw ratio is 4.04 (being appeared on the tow of 1 roller top, 5~10cm to select level-one draw ratio according to drawing point)；Relaxation rate is
0.940；
Heat roller temperature：1st pair of 50 DEG C of heat roller temperature, the 2nd pair of 190 DEG C of heat roller temperature, the 3rd pair of 230 DEG C of heat roller temperature, the 4th
To 130 DEG C of heat roller temperature；
G, wind：Tow after step f drawing and settings is wound, winding speed is set as 2448 ms/min, after winding
Finished product.
The 66 industrial yarn main performance of polyamide fibre of the present embodiment production is as shown in table 1.
1 embodiment 1 of table produces the test result of 66 industrial yarn of polyamide fibre
| Project | Fiber number | Strongly | It is disconnected to stretch | Surely stretch | Intensity |
| Unit | dtex | N | % | % | g/d |
| Value | 924 | 86.1 | 18.5 | 10.0 | 10.55 |
The spinning box assembly (referring to attached drawing 1) that the present embodiment 1 uses includes sand box 1 and filament spinning component housing 9, the sand box
1 open at one end, the other end middle part of sand box are equipped with melt inlet, filter are equipped with successively from melt inlet end in the sand box 1
Net 2, metal sand 3, the first metal fiber felt 4, distribution plate 5, the second metal fiber felt 6, the first sealing ring 7, spinneret 8 are (described
Spinneret 8 is equipped with spinneret orifice, and the draw ratio of spinneret orifice is 1.4~2.5：1), set between 1 inner wall of the distribution plate 5 and sand box
It has the gap, first sealing ring 7 is the L-shaped sealing ring for including vertical edges and widthwise edge, the vertical edges of first sealing ring 7
It is secured in the gap between 1 inner wall of distribution plate 5 and sand box, the second metal fiber felt 6 is pressed to distribution plate by the first sealing ring 7
On 5,8 axial direction of spinneret is arranged to stepped, and one end diameter adjacent with the first sealing ring 7 of spinneret 8 is small, spinneret
Plate 8 and the outer diameter of 7 abutting end of the first sealing ring are adapted with 1 internal diameter of sand box, and spinneret 8 is adjacent with the second metal fiber felt 6
In one end insertion sand box 1, the shaft shoulder of spinneret 8 is ridden on the open end end face of sand box 1, one end of the filament spinning component housing 9
Opening, one end internal side wall of filament spinning component opening are machined with internal thread, and the other end of filament spinning component housing 9 is equipped with annular and keeps off
Side, the intermediate openings of the annular rib, internal diameter and 1 outer diameter of sand box of the filament spinning component housing 9 are adapted, the sand box 1
It is inserted into filament spinning component housing 9, the inner side end and 8 EDGE CONTACT of spinneret of the annular rib.
The strainer is preferably the braid fabric of 100 mesh；The second sealing is placed at the melt inlet at 1 middle part of sand box
10 are enclosed to be docked with manifold inner assembly；First sealing ring and the second sealing ring are preferably alumiseal circle；The metal sand
Composition by weight percent composition for C 0.06%, Cr 37.0%, Fe 57.5%, Ni 0.68% and Si 4.76%；Metal
The specification that sand uses is 20~35 mesh, and specification is 20~30 mesh account for 85.0wt%, 30~40 mesh account in the metal sand of 20~35 mesh
10.0wt%, 40~50 mesh account for 3.9wt% and 50~100 mesh account for 1.1wt%；First metal fiber felt and the second metal are fine
The specification for tieing up felt is 375 mesh.
Embodiment 2：It is substantially the same manner as Example 1, the difference is that：
The production method of 66 industrial yarn of superelevation fracture strength polyamide fibre of the present invention, the detailed step of the production method are as follows：
A, solid phase viscosifies：The polyamide fibre 66 that relative viscosity is 2.32 is cut into slices first and is put into reaction vessel, using 150
DEG C nitrogen the section of polyamide fibre 66 is dried, drying time 20h obtains the height that relative viscosity is 2.82 and glues to cut after dry
Piece；
B, section melt extruded：The obtained height of step a is glued section to send into screw extruder, adjustment screw extruder temperature
It spends for 300 DEG C, makes the viscous section melting of its height, obtain melt；
C, melt filtration metering spinneret：Melt obtained by step b is sent by melt pipe to spinning box assembly, melt into
After entering spinning box assembly, the strainer being equipped in component, the first metal fiber felt and the filtering of the second metal fiber felt, mistake are first passed around
Through measuring pump-metered after filter, spinneret, the spinneret orifice major diameter that spinneret is equipped with are carried out finally by the spinneret being equipped in component
Than 1.4~2.5：1；
Metal sand of the gel through being equipped in component generated in melting process of cutting into slices is cut and through the first metal fibre
Tie up felt and the second metal fiber felt fine filtering；
D, tow cooling is molded：The tow that step c is sprayed from spinneret use temperature for 16 DEG C, humidity 60%, wind
It measures and is cooled down for 1250 cubes ms/h of cold wind, so can effectively prevent monofilament adhesion；
E, tow, which oils, homogenizes：Gained tow oils after step d is cooled down, and (controls even oily device with even oily device
Compressed air pressure is 0.3bar) make the attachment of monofilament oil film uniform, reduce lousiness；The finish adhesion amount homogenized on rear tow is
1.18% (thus can effectively eliminate electrostatic, improve spinnability)；
F, drawing and setting：Tow after being oiled using fine flour draw roll to step e is stretched, and selectes roll surface roughness
For 1.2；
It stretches：The four pairs of hot-rolling stretch mode to be relaxed using secondary drawing, level-one；Total draw ratio is 5.68 times, level-one
Draw ratio is 4.11 (being appeared on the tow of 1 roller top, 5~10cm to select level-one draw ratio according to drawing point)；Relaxation rate is
0.940；
Heat roller temperature：1st pair of 50 DEG C of heat roller temperature, the 2nd pair of 195 DEG C of heat roller temperature, the 3rd pair of 234 DEG C of heat roller temperature, the 4th
To 132 DEG C of heat roller temperature；
G, wind：Tow after step f drawing and settings is wound, winding speed is set as 2446 ms/min, after winding
Finished product.
The 66 industrial yarn main performance of polyamide fibre of the present embodiment production is as shown in table 2.
The test result of 66 industrial yarn of polyamide fibre of 2 embodiment 2 of table production
| Project | Fiber number | Strongly | It is disconnected to stretch | Surely stretch | Intensity |
| Unit | dtex | N | % | % | g/d |
| Value | 924 | 86.5 | 17.6 | 9.8 | 10.6 |
Embodiment 3：It is substantially the same manner as Example 1, the difference is that：
The production method of 66 industrial yarn of superelevation fracture strength polyamide fibre of the present invention, the detailed step of the production method are as follows：
A, solid phase viscosifies：The polyamide fibre 66 that relative viscosity is 2.40 is cut into slices first and is put into reaction vessel, using 140
DEG C nitrogen the section of polyamide fibre 66 is dried, drying time 23h obtains the height that relative viscosity is 2.80 and glues to cut after dry
Piece；
B, section melt extruded：The obtained height of step a is glued section to send into screw extruder, adjustment screw extruder temperature
It spends for 315 DEG C, makes the viscous section melting of its height, obtain melt；
C, melt filtration metering spinneret：Melt obtained by step b is sent by melt pipe to spinning box assembly, melt into
After entering spinning box assembly, the strainer being equipped in component, the first metal fiber felt and the filtering of the second metal fiber felt, mistake are first passed around
Through measuring pump-metered after filter, spinneret, the spinneret orifice major diameter that spinneret is equipped with are carried out finally by the spinneret being equipped in component
Than 1.4~2.5：1；
Metal sand of the gel through being equipped in component generated in melting process of cutting into slices is cut and through the first metal fibre
Tie up felt and the second metal fiber felt fine filtering；
D, tow cooling is molded：The tow that step c is sprayed from spinneret use temperature for 16 DEG C, humidity 80%, wind
It measures and is cooled down for 1300 cubes ms/h of cold wind, so can effectively prevent monofilament adhesion；
E, tow, which oils, homogenizes：Gained tow oils after step d is cooled down, and (controls even oily device with even oily device
Compressed air pressure is 0.3bar) make the attachment of monofilament oil film uniform, reduce lousiness；The finish adhesion amount homogenized on rear tow is
1.21% (thus can effectively eliminate electrostatic, improve spinnability)；
F, drawing and setting：Tow after being oiled using fine flour draw roll to step e is stretched, and selectes roll surface roughness
For 1.2；
It stretches：The four pairs of hot-rolling stretch mode to be relaxed using secondary drawing, level-one；Total draw ratio is 5.73 times, level-one
Draw ratio is 4.11 (being appeared on the tow of 1 roller top, 5~10cm to select level-one draw ratio according to drawing point), and relaxation rate is
0.940；
Heat roller temperature：1st pair of 50 DEG C of heat roller temperature, the 2nd pair of 197 DEG C of heat roller temperature, the 3rd pair of 236 DEG C of heat roller temperature, the 4th
To 135 DEG C of heat roller temperature；
G, wind：Tow after step f drawing and settings is wound, winding speed is set as 2444 ms/min, after winding
Finished product.
The 66 industrial yarn main performance of polyamide fibre of the present embodiment production is as shown in table 3.
The test result of 66 industrial yarn of polyamide fibre of 3 embodiment 3 of table production
| Project | Fiber number | Strongly | It is disconnected to stretch | Surely stretch | Intensity |
| Unit | dtex | N | % | % | g/d |
| Value | 922 | 87.1 | 18.5 | 9.9 | 10.7 |
Embodiment 4：It is substantially the same manner as Example 1, the difference is that：
The production method of 66 industrial yarn of superelevation fracture strength polyamide fibre of the present invention, the detailed step of the production method are as follows：
A, solid phase viscosifies：The polyamide fibre 66 that relative viscosity is 2.28 is cut into slices first and is put into reaction vessel, using 150
DEG C nitrogen the section of polyamide fibre 66 is dried, drying time 18h obtains the height that relative viscosity is 2.70 and glues to cut after dry
Piece；
B, section melt extruded：The obtained height of step a is glued section to send into screw extruder, adjustment screw extruder temperature
It spends for 310 DEG C, makes the viscous section melting of its height, obtain melt；
C, melt filtration metering spinneret：Melt obtained by step b is sent by melt pipe to spinning box assembly, melt into
After entering spinning box assembly, the strainer being equipped in component, the first metal fiber felt and the filtering of the second metal fiber felt, mistake are first passed around
Through measuring pump-metered after filter, spinneret, the spinneret orifice major diameter that spinneret is equipped with are carried out finally by the spinneret being equipped in component
Than 1.4~2.5：1；
Metal sand of the gel through being equipped in component generated in melting process of cutting into slices is cut and through the first metal fibre
Tie up felt and the second metal fiber felt fine filtering；
D, tow cooling is molded：The tow that step c is sprayed from spinneret use temperature for 18 DEG C, humidity 70%, wind
It measures and is cooled down for 1350 cubes ms/h of cold wind, so can effectively prevent monofilament adhesion；
E, tow, which oils, homogenizes：Gained tow oils after step d is cooled down, and (controls even oily device with even oily device
Compressed air pressure is 0.3bar) make the attachment of monofilament oil film uniform, reduce lousiness；The finish adhesion amount homogenized on rear tow is
1.20% (thus can effectively eliminate electrostatic, improve spinnability)；
F, drawing and setting：Tow after being oiled using fine flour draw roll to step e is stretched, and selectes roll surface roughness
For 1.2；
It stretches：The four pairs of hot-rolling stretch mode to be relaxed using secondary drawing, level-one；Total draw ratio is 5.75 times, level-one
Draw ratio is 4.11 (being appeared on the tow of 1 roller top, 5~10cm to select level-one draw ratio according to drawing point)；Relaxation rate is
0.940；
Heat roller temperature：1st pair of 50 DEG C of heat roller temperature, the 2nd pair of 200 DEG C of heat roller temperature, the 3rd pair of 238 DEG C of heat roller temperature, the 4th
To 135 DEG C of heat roller temperature；
G, wind：Tow after step f drawing and settings is wound, winding speed is set as 2440 ms/min, after winding
Finished product.
The 66 industrial yarn main performance of polyamide fibre of the present embodiment production is as shown in table 4.
The test result of 66 industrial yarn of polyamide fibre of 4 embodiment 4 of table production
| Project | Fiber number | Strongly | It is disconnected to stretch | Surely stretch | Intensity |
| Unit | dtex | N | % | % | g/d |
| Value | 924 | 87.4 | 18.6 | 9.9 | 10.72 |
Embodiment 5：It is substantially the same manner as Example 1, the difference is that：
The production method of 66 industrial yarn of superelevation fracture strength polyamide fibre of the present invention, the detailed step of the production method are as follows：
A, solid phase viscosifies：The polyamide fibre 66 that relative viscosity is 2.30 is cut into slices first and is put into reaction vessel, using 150
DEG C nitrogen the section of polyamide fibre 66 is dried, drying time 20h obtains the height that relative viscosity is 2.73 and glues to cut after dry
Piece；
B, section melt extruded：The obtained height of step a is glued section to send into screw extruder, adjustment screw extruder temperature
It spends for 300 DEG C, makes the viscous section melting of its height, obtain melt；
C, melt filtration metering spinneret：Melt obtained by step b is sent by melt pipe to spinning box assembly, melt into
After entering spinning box assembly, the strainer being equipped in component, the first metal fiber felt and the filtering of the second metal fiber felt, mistake are first passed around
Through measuring pump-metered after filter, spinneret, the spinneret orifice major diameter that spinneret is equipped with are carried out finally by the spinneret being equipped in component
Than 1.4~2.5：1；
Metal sand of the gel through being equipped in component generated in melting process of cutting into slices is cut and through the first metal fibre
Tie up felt and the second metal fiber felt fine filtering；
D, tow cooling is molded：The tow that step c is sprayed from spinneret use temperature for 18 DEG C, humidity 70%, wind
It measures and is cooled down for 1450 cubes ms/h of cold wind, so can effectively prevent monofilament adhesion；
E, tow, which oils, homogenizes：Gained tow oils after step d is cooled down, and (controls even oily device with even oily device
Compressed air pressure is 0.3bar) make the attachment of monofilament oil film uniform, reduce lousiness；The finish adhesion amount homogenized on rear tow is
1.21% (thus can effectively eliminate electrostatic, improve spinnability)；
F, drawing and setting：Tow after being oiled using fine flour draw roll to step e is stretched, and selectes roll surface roughness
For 1.1；
It stretches：The four pairs of hot-rolling stretch mode to be relaxed using secondary drawing, level-one；Total draw ratio is 5.80 times, level-one
Draw ratio is 3.93 (being appeared on the tow of 1 roller top, 5~10cm to select level-one draw ratio according to drawing point)；Relaxation rate is
0.940；
Heat roller temperature：1st pair of 50 DEG C of heat roller temperature, the 2nd pair of 200 DEG C of heat roller temperature, the 3rd pair of 242 DEG C of heat roller temperature, the 4th
To 135 DEG C of heat roller temperature；
G, wind：Tow after step f drawing and settings is wound, winding speed is set as 2440 ms/min, after winding
Finished product.
The 66 industrial yarn main performance of polyamide fibre of the present embodiment production is as shown in table 5.
The test result of 66 industrial yarn of polyamide fibre of 5 embodiment 5 of table production
| Project | Fiber number | Strongly | It is disconnected to stretch | Surely stretch | Intensity |
| Unit | dtex | N | % | % | g/d |
| Value | 922 | 87.9 | 18.1 | 9.8 | 10.80 |
Embodiment 6：It is substantially the same manner as Example 1, the difference is that：
The production method of 66 industrial yarn of superelevation fracture strength polyamide fibre of the present invention, the detailed step of the production method are as follows：
A, solid phase viscosifies：The polyamide fibre 66 that relative viscosity is 2.35 is cut into slices first and is put into reaction vessel, using 150
DEG C nitrogen the section of polyamide fibre 66 is dried, drying time 20h obtains the height that relative viscosity is 2.80 and glues to cut after dry
Piece；
B, section melt extruded：The obtained height of step a is glued section to send into screw extruder, adjustment screw extruder temperature
It spends for 300 DEG C, makes the viscous section melting of its height, obtain melt；
C, melt filtration metering spinneret：Melt obtained by step b is sent by melt pipe to spinning box assembly, melt into
After entering spinning box assembly, the strainer being equipped in component, the first metal fiber felt and the filtering of the second metal fiber felt, mistake are first passed around
Through measuring pump-metered after filter, spinneret, the spinneret orifice major diameter that spinneret is equipped with are carried out finally by the spinneret being equipped in component
Than 1.4~2.5：1；
Metal sand of the gel through being equipped in component generated in melting process of cutting into slices is cut and through the first metal fibre
Tie up felt and the second metal fiber felt fine filtering；
D, tow cooling is molded：The tow that step c is sprayed from spinneret use temperature for 18 DEG C, humidity 70%, wind
It measures and is cooled down for 1550 cubes ms/h of cold wind, so can effectively prevent monofilament adhesion；
E, tow, which oils, homogenizes：Gained tow oils after step d is cooled down, and (controls even oily device with even oily device
Compressed air pressure is 0.3bar) make the attachment of monofilament oil film uniform, reduce lousiness；The finish adhesion amount homogenized on rear tow is
1.20% (thus can effectively eliminate electrostatic, improve spinnability)；
F, drawing and setting：Tow after being oiled using fine flour draw roll to step e is stretched, and selectes roll surface roughness
For 1.0；
It stretches：The four pairs of hot-rolling stretch mode to be relaxed using secondary drawing, level-one；Total draw ratio is 5.82 times, level-one
Draw ratio is 4.01 (being appeared on the tow of 1 roller top, 5~10cm to select level-one draw ratio according to drawing point)；Relaxation rate is
0.940；
Heat roller temperature：1st pair of 50 DEG C of heat roller temperature, the 2nd pair of 205 DEG C of heat roller temperature, the 3rd pair of 245 DEG C of heat roller temperature, the 4th
To 140 DEG C of heat roller temperature；
G, wind：Tow after step f drawing and settings is wound, winding speed is set as 2440 ms/min, after winding
Finished product.
The 66 industrial yarn main performance of polyamide fibre of the present embodiment production is as shown in table 6.
The test result of 66 industrial yarn of polyamide fibre of 6 embodiment 6 of table production
| Project | Fiber number | Strongly | It is disconnected to stretch | Surely stretch | Intensity |
| Unit | dtex | N | % | % | g/d |
| Value | 923 | 88.2 | 17.1 | 9.5 | 10.83 |
The preferred embodiments of the disclosure is described in detail above, but the present invention be not limited to it is described
Embodiment.To those skilled in the art, without departing from the principles and spirit of the present invention to this implementation
Mode carries out a variety of variations, modification, replacement and deformation and still falls in protection scope of the present invention.
Claims (10)
1. a kind of production method of 66 industrial yarn of superelevation fracture strength polyamide fibre, which is characterized in that the production method includes following
Step：
A, solid phase viscosifies：The polyamide fibre 66 that relative viscosity is 2.20~2.50 is cut into slices first and is put into reaction vessel, is used
The section of polyamide fibre 66 is dried in 140~160 DEG C of nitrogen, and drying time is 15~23h, and obtaining relative viscosity after dry is
2.6~3.1 height glues section；
B, section melt extruded：The obtained height of step a is glued section to send into screw extruder, adjustment screw extruder temperature is
300~315 DEG C, make the viscous section melting of its height, obtain melt；
C, melt filtration metering spinneret：Melt obtained by step b is sent by melt pipe to spinning box assembly, melt enters spinning
After silk box assembly, filtered successively, metering pump-metered carries out spinneret, on spinneret finally by the spinneret that is equipped in component
The spinneret orifice draw ratio being equipped with is 1.4~2.5：1；
Metal sand of the gel through being equipped in spinning box assembly generated in melting process of cutting into slices is cut and passes through fine mistake
Filter；
D, tow cooling is molded：The tow that step c is sprayed from spinneret use temperature for 12~20 DEG C, humidity be 60~
85%th, air quantity is that 1000~1600 cubes ms/h of cold wind is cooled down；
E, tow, which oils, homogenizes：Gained tow oils after step d is cooled down, and makes the attachment of monofilament oil film equal with even oily device
It is even；It is 0.5~1.5% to homogenize the finish adhesion amount on rear tow；
F, drawing and setting：Tow after being oiled using fine flour draw roll to step e is stretched, and selected roll surface roughness is
1.0~1.8；Four pairs of hot-rollings, secondary drawing, level-one relaxation；Total draw ratio is 5.50~6.40 times, is appeared according to drawing point
Above 1 roller level-one draw ratio is selected on the tow of 5~10cm；Draft temperature is 170~250 DEG C, relaxation rate for 0.930~
0.950；
G, wind：Tow after step f drawing and settings is wound, sets winding speed as 2300~2800 ms/min, is wound
66 industrial yarn of superelevation fracture strength polyamide fibre is made afterwards.
2. the production method of 66 industrial yarn of superelevation fracture strength polyamide fibre according to claim 1, it is characterised in that：Step c
Described in metal sand composition by weight percent composition for C 0.06%, Cr 37.0%, Fe 57.5%, Ni 0.68% and Si
4.76%.
3. the production method of 66 industrial yarn of superelevation fracture strength polyamide fibre according to claim 1, it is characterised in that：Step c
Described in metal sand specification be 20~35 mesh；Specification accounts for 85.0wt%, 30~40 for 20~30 mesh in the metal sand of 20~35 mesh
Mesh accounts for 10.0wt%, 40~50 mesh account for 3.9wt% and 50~100 mesh account for 1.1wt%；
Or the specification of the metal sand is 45~60 mesh, specification accounts for for 45~60 mesh in the metal sand of 45~60 mesh
95.0wt%, 60~90 mesh account for 4.0wt% and 90~100 mesh account for 1.0wt%.
4. the production method of 66 industrial yarn of superelevation fracture strength polyamide fibre according to claim 1, which is characterized in that step c
Described in spinning box assembly include sand box and filament spinning component housing, the open at one end of the sand box is set in the middle part of the other end of sand box
Have a melt inlet, be equipped with successively from melt inlet end in the sand box strainer, metal sand, the first metal fiber felt, distribution plate,
Second metal fiber felt, the first sealing ring, spinneret are equipped with gap between the distribution plate and sand box inner wall, described first is close
Seal is to include the L-shaped sealing ring of vertical edges and widthwise edge, and the vertical edges of first sealing ring are secured to distribution plate and sand box
In gap between inner wall, the second metal fiber felt is pressed on distribution plate by the first sealing ring, the spinneret axial direction
Be arranged to stepped, the spinneret one end diameter adjacent with the first sealing ring is small, spinneret and the first sealing ring abutting end it is outer
Footpath is adapted with sand box internal diameter, and in spinneret insertion sand box in one end adjacent with the second metal fiber felt, the shaft shoulder of spinneret is taken
On the open end end face of sand box, the open at one end of the filament spinning component housing, one end private side of filament spinning component housing opening
Wall is machined with internal thread, and the other end of filament spinning component housing is equipped with annular rib, the intermediate openings of the annular rib, the spinning
The internal diameter of silk assembly housing is adapted with sand box outer diameter, in sand box insertion filament spinning component housing, the annular rib it is interior
Side end face and spinneret EDGE CONTACT.
5. the production method of 66 industrial yarn of superelevation fracture strength polyamide fibre according to claim 4, it is characterised in that：The filter
Net is the braid fabric of 100 mesh.
6. the production method of 66 industrial yarn of superelevation fracture strength polyamide fibre according to claim 4, it is characterised in that：The sand
The second sealing ring is placed at melt inlet in the middle part of box to be docked with manifold inner assembly；First sealing ring and the second sealing
Circle is alumiseal circle.
7. the production method of 66 industrial yarn of superelevation fracture strength polyamide fibre according to claim 4, it is characterised in that：The gold
The composition by weight percent composition for belonging to sand is C 0.06%, Cr 37.0%, Fe 57.5%, Ni 0.68% and Si 4.76%；
The metal sand specification is 20~35 mesh；Specification for 20~35 mesh metal sand in 20~30 mesh account for 85.0wt%, 30~
40 mesh account for 10.0wt%, 40~50 mesh account for 3.9wt% and 50~100 mesh account for 1.1wt%；
Or the specification of the metal sand is 45~60 mesh, specification accounts for for 45~60 mesh in the metal sand of 45~60 mesh
95.0wt%, 60~90 mesh account for 4.0wt% and 90~100 mesh account for 1.0wt%.
8. the production method of 66 industrial yarn of superelevation fracture strength polyamide fibre according to claim 4, it is characterised in that：The spray
Filament plate is equipped with spinneret orifice, and the draw ratio of spinneret orifice is 1.4~2.5：1.
9. the production method of 66 industrial yarn of superelevation fracture strength polyamide fibre according to claim 4, it is characterised in that：Described
The specification of one metal fiber felt and the second metal fiber felt is 200~375 mesh.
10. the production method of 66 industrial yarn of superelevation fracture strength polyamide fibre according to claim 9, it is characterised in that：It is described
The specification of first metal fiber felt and the second metal fiber felt is 375 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711239673.2A CN108048921B (en) | 2017-11-30 | 2017-11-30 | A kind of production method of 66 industrial yarn of superelevation breaking strength polyamide fibre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711239673.2A CN108048921B (en) | 2017-11-30 | 2017-11-30 | A kind of production method of 66 industrial yarn of superelevation breaking strength polyamide fibre |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108048921A true CN108048921A (en) | 2018-05-18 |
| CN108048921B CN108048921B (en) | 2019-07-30 |
Family
ID=62121074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711239673.2A Active CN108048921B (en) | 2017-11-30 | 2017-11-30 | A kind of production method of 66 industrial yarn of superelevation breaking strength polyamide fibre |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108048921B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067061A (en) * | 2019-05-27 | 2019-07-30 | 浙江亚特新材料股份有限公司 | High-intensitive PA66 fiber air cladding wire preparation process |
| CN112746337A (en) * | 2020-12-22 | 2021-05-04 | 神马博列麦（平顶山）气囊丝制造有限公司 | Nylon 66 high-air-tightness air bag yarn and preparation method thereof |
| CN113957551A (en) * | 2021-11-19 | 2022-01-21 | 平顶山神马帘子布发展有限公司 | Production method of industrial filament of high-strength high-modulus chinlon 66 |
| CN114622320A (en) * | 2022-03-22 | 2022-06-14 | 神马实业股份有限公司 | Drawing hot roller assembly, polyamide 66 fine denier yarn drawing system and production process |
| CN115182067A (en) * | 2022-08-10 | 2022-10-14 | 福建凯邦锦纶科技有限公司 | Fine-denier coffee carbon fiber production process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101195930A (en) * | 2006-12-21 | 2008-06-11 | 丁尔民 | Antimicrobial polyamide 6 fibre and production method thereof |
| KR20100021790A (en) * | 2008-08-18 | 2010-02-26 | 주식회사 효성 | High-strenth nylon 66 yarn and the preparation thereof |
| CN102747438A (en) * | 2012-06-28 | 2012-10-24 | 浙江台华新材料股份有限公司 | Production method for 20D/24F complete-extinction nylon 6 fully-drawn yarn |
| CN103290497A (en) * | 2012-03-05 | 2013-09-11 | 辽宁银珠化纺集团有限公司 | Industrial functional chinlon 66 fibre and preparation method thereof |
| CN106367817A (en) * | 2016-11-29 | 2017-02-01 | 中维化纤股份有限公司 | Preparation method of low-shrinkage polyamide 66 industrial yarn |
-
2017
- 2017-11-30 CN CN201711239673.2A patent/CN108048921B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101195930A (en) * | 2006-12-21 | 2008-06-11 | 丁尔民 | Antimicrobial polyamide 6 fibre and production method thereof |
| KR20100021790A (en) * | 2008-08-18 | 2010-02-26 | 주식회사 효성 | High-strenth nylon 66 yarn and the preparation thereof |
| CN103290497A (en) * | 2012-03-05 | 2013-09-11 | 辽宁银珠化纺集团有限公司 | Industrial functional chinlon 66 fibre and preparation method thereof |
| CN102747438A (en) * | 2012-06-28 | 2012-10-24 | 浙江台华新材料股份有限公司 | Production method for 20D/24F complete-extinction nylon 6 fully-drawn yarn |
| CN106367817A (en) * | 2016-11-29 | 2017-02-01 | 中维化纤股份有限公司 | Preparation method of low-shrinkage polyamide 66 industrial yarn |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067061A (en) * | 2019-05-27 | 2019-07-30 | 浙江亚特新材料股份有限公司 | High-intensitive PA66 fiber air cladding wire preparation process |
| CN112746337A (en) * | 2020-12-22 | 2021-05-04 | 神马博列麦（平顶山）气囊丝制造有限公司 | Nylon 66 high-air-tightness air bag yarn and preparation method thereof |
| CN113957551A (en) * | 2021-11-19 | 2022-01-21 | 平顶山神马帘子布发展有限公司 | Production method of industrial filament of high-strength high-modulus chinlon 66 |
| CN113957551B (en) * | 2021-11-19 | 2022-12-02 | 平顶山神马帘子布发展有限公司 | Production method of industrial filament of high-strength high-modulus chinlon 66 |
| CN114622320A (en) * | 2022-03-22 | 2022-06-14 | 神马实业股份有限公司 | Drawing hot roller assembly, polyamide 66 fine denier yarn drawing system and production process |
| CN115182067A (en) * | 2022-08-10 | 2022-10-14 | 福建凯邦锦纶科技有限公司 | Fine-denier coffee carbon fiber production process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108048921B (en) | 2019-07-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108048921B (en) | A kind of production method of 66 industrial yarn of superelevation breaking strength polyamide fibre | |
| EP0201114B2 (en) | Process for the manufacture of polyester industrial yarn and cord made from said yarn and elastomeric objects reinforced with said cord | |
| CN1961109B (en) | Aligned fiber web | |
| CN111732790B (en) | Melt-blown polypropylene composite material and preparation method and application thereof | |
| US6440192B2 (en) | Filtration device and process for its manufacture | |
| EP1998867A2 (en) | Pleatable non-woven material and method and device for production thereof | |
| EP0997560A1 (en) | Melt spinning spinning pack and synthetic fiber manufaacturing method | |
| KR100412246B1 (en) | Non-crimping polyester monofilament and process for producing same | |
| CN104963009A (en) | Production method for colored PET industrial filaments | |
| CN101796228A (en) | Spinning process for the production of synthetic continuous filament yarns | |
| CN206244954U (en) | One kind production air bag silk device for spinning | |
| CN113174645B (en) | Spinning equipment and spinning process of semi-dull FDY (fully drawn yarn) | |
| CN202297885U (en) | Spinning assembly for conventional spinning chemical fibres | |
| CN104928770A (en) | Production process of 2x (10-16) cake compact nylon 6 highly-oriented fibers | |
| CN112323261A (en) | Composite mesh belt device for improving uniformity of melt-blown fabric | |
| US2904828A (en) | Spinneret filter pack | |
| CN106087085A (en) | Single cake 576f surpasses the production method of porous POY polyester filament | |
| CN101265612B (en) | Manufacture methodof terylene pre-oriented yarn | |
| CN208219022U (en) | A kind of filament spinning component produced for 66 air bag of polyamide fibre with industrial filament | |
| JP2009243017A (en) | Melt-spinning pack of thermoplastic polymer and melt-spinning method of thermoplastic polymer | |
| JP6701822B2 (en) | Melt spinning pack | |
| CN220265956U (en) | Preparation facilities of superfine denier stoste coloring nylon 6 | |
| CN108823658A (en) | A kind of double profiled-cross-section POY fibers of terylene semi-gloss super fine denier and its production method | |
| CN107904674B (en) | Spinning component for industrial filament production of nylon 66 air bags | |
| JP2012518096A (en) | Process for producing filament yarns from aromatic polyamides |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211101 Address after: No. 63, Jianshe Middle Road, Weidong District, Pingdingshan City, Henan Province Patentee after: SHENMA INDUSTRY Co.,Ltd. Patentee after: SHENMA BOLIEMAI (PINGDINGSHAN) AIR BAG WIRE CO.,LTD. Address before: No. 63, Jianshe Middle Road, Weidong District, Pingdingshan City, Henan Province Patentee before: SHENMA INDUSTRY Co.,Ltd. |