CN106835309A - A kind of production method of fine-denier porous superbright light trilobal chinlon 6 filament - Google Patents
A kind of production method of fine-denier porous superbright light trilobal chinlon 6 filament Download PDFInfo
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- CN106835309A CN106835309A CN201710059896.4A CN201710059896A CN106835309A CN 106835309 A CN106835309 A CN 106835309A CN 201710059896 A CN201710059896 A CN 201710059896A CN 106835309 A CN106835309 A CN 106835309A
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- chinlon
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- trilobal
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Classifications
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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
- D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
-
- 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
- D01D7/00—Collecting the newly-spun products
-
- 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
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The present invention provides a kind of production method of fine-denier porous superbright light trilobal chinlon 6 filament, the spinning-grade chinlon 6 section that relative viscosity is 2.48 ± 0.02, moisture content≤500ppm is put into feed bin, melting is heated by screw extruder and is sent into spinning manifold through melt distribution line；Melt enters filament spinning component in spinning manifold, is sprayed through the spinneret orifice in three leaf sections, and the arrangement mode of spinneret orifice is " circle "；With side-blown air cooling trifoil cross-section as-spun fibre, the fiber after cooling enters spinning shaft after being oiled through oil nozzle；Tow is by completing one-step method coiling and molding after chilling roller, hot-rolling, network equipment, jockey pulley.It is 20~30% that fine-denier porous superbright light trilobal of the invention has the degree of profile of light chinlon 6 filament, and 0.8~1.2D of filament number, product has bulkiness, good permeability, superbright flash effect.
Description
Technical field
The present invention relates to synthetic fibers technical field, more particularly to a kind of fine-denier porous superbright light trilobal chinlon 6 filament
Production method.
Background technology
In recent years, the competition of domestic and international chemical fibre industry, the nylon fibre in typical circular section can not be fitted
Answer the change in market and the requirement of people.In order to tackle the market demand and both at home and abroad competition, many enterprises do not turn off and send new
Polyamide fibre kind, the fiber of various odd-shaped cross sections arises at the historic moment.
The production technology that current fine-denier porous superbright light trilobal has light chinlon 6 filament has no report.Trifoil cross-section
There is light chinlon 6 filament to be mainly seen in heavy denier yarn, the fine-denier porous section for having light chinlon 6 filament is all triangle.Due to fine-denier
The porous triangular-section for having light chinlon 6 filament is too small, it is impossible to plays " prism " effect very well, causes fine-denier porous have light polyamide fibre
The brightness of 6 long filaments is inadequate；And the trilobal with indent can play a part of optically focused, silk has the effect of superbright light.
Current fine-denier porous superbright light trilobal has light chinlon 6 filament production technology to have no report, for profiled filament
Production technology：A kind of " spinneret, special-shaped nylon-6 fiber and preparation method thereof " is disclosed in the prior art, sees Publication No.：CN
106120003A, publication date is：The Chinese patent of 2016-11-16, a kind of spinneret, including substrate and at least one spinneret
Micropore, the spinneret orifice is arranged on the substrate, and the cross section of the spinneret orifice is broached-tooth design, the broached-tooth design
Including two sawtooth portions, the sawtooth portion includes four radius identical semi arches, and the semi arch of four sequentially sets successively
Put, and connected by straight line between adjacent two semi arches, the sawtooth portion of two is interconnected to form symmetrical closure
Structure, four semi arches in a sawtooth portion correspond setting with four semi arches in another sawtooth portion.The invention is also related to
And a kind of special-shaped nylon-6 fiber and preparation method thereof.The special-shaped nylon-6 fiber of the invention have concurrently gloss well with moisture absorbing and sweat releasing work(
Can, its fabric had both had soft fine and smooth feel as cashmere, and with good characteristics such as good, the quick moisture absorptions of dyeability.
But technical scheme and present patent application that the invention is used simultaneously are differed, and the technical problem of solution is also different.
The content of the invention
The technical problem to be solved in the present invention, is to provide a kind of life of fine-denier porous superbright light trilobal chinlon 6 filament
Product method, the chinlon 6 filament abnormity degree of production is 20%~30%, and product performance is fluffy, good permeability, is glistened with superbright and imitated
Really.
What the present invention was realized in：A kind of production method of fine-denier porous superbright light trilobal chinlon 6 filament, the side
Method comprises the following steps：
Step 1, it is that 2.48 ± 0.02, the spinning-grade chinlon 6 section of moisture content≤500ppm puts into feed bin by relative viscosity,
Melting is heated by screw extruder and sends into spinning manifold through melt distribution line；
Step 2, melt enter filament spinning component in spinning manifold, are sprayed through the spinneret orifice in three leaf sections on filament spinning component；
Step 3, with side-blown air cooling trifoil cross-section as-spun fibre, the fiber after cooling enters spinning after being oiled through oil nozzle
Path；
Step 4, the tow of spinning shaft are wound into by completing one-step method after chilling roller, hot-rolling, network equipment, jockey pulley
Type.
Further, the step 1 is specially：By the spinning that relative viscosity is 2.48 ± 0.02, moisture content≤500ppm
Level chinlon 6 section input feed bin, heats melting and sends into spinning manifold through melt distribution line by screw extruder；Screw extruder
Each area's temperature range be 240~255 DEG C.
Further, the step 2 is specially：Melt enters filament spinning component in spinning manifold, through the spinneret in three leaf sections
Hole sprays, and the arrangement mode of spinneret orifice is " circle "；Metal sand thickness sand proportioning is 1 in filament spinning component:2, coarse sand size is 60
~80 mesh, fine sand size is 80~100 mesh.
Further, the step 3 is specially：With side-blown air cooling trifoil cross-section as-spun fibre, melt is thin during cooling
The movement velocity of stream accelerates to 3300~3600m/min by 100~130m/min, and the fiber after cooling enters after being oiled through oil nozzle
Spinning shaft；17~19 DEG C of side-blown wind-warm syndrome, rheumatism 70~80%, 0.6~0.7m/s of wind speed, spinning tension control 1.3~
2.0cN；Oil nozzle boundling oils 150~240cm of positional distance spinneret.
Further, the step 4 is specially：Tow is by completing a step after chilling roller, hot-rolling, network equipment, jockey pulley
Method coiling and molding；Its chilling roller 3600~3800m/min of rotating speed, hot-rolling 4000~4250m/min of rotating speed, jockey pulley rotating speed 3950~
4230m/min, 3900~4200m/min of winding speed.
Further, the 3.5~4.0cN/dtex of fracture strength of the chinlon 6 filament, yarn unevenness≤1.8%, boiling
Water shrinkage factor 8~13%, 6~8/m of internet pricing, oil content 1.8~2.2%, degree of profile 20%~30%, filament number is
0.8~1.2D.
The invention has the advantages that：Spinneret and specific spinning winding technique that the present invention passes through trilobal, production
Go out the chinlon 6 filament with superbright light trilobal.Irregular due to its odd-shaped cross section, the arrangement between fiber cannot be tight,
Space accordingly increases, so that fabric feeling is more abundant, bulkiness, good permeability, with superbright flash effect.Knitted in silk like fabric
The fields such as thing, wool-like fabric, corduroy have wide market prospects and economic benefit.
Brief description of the drawings
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the process chart of the inventive method.
Fig. 2 is shape of spinneret schematic diagram in the present invention.
Fig. 3 is the sectional view of superbright light trilobal chinlon 6 filament in the present invention.
Specific embodiment
Refer to shown in Fig. 1 to Fig. 3, the degree of profile of fine-denier porous superbright light trilobal chinlon 6 filament of the invention is 20%
~30%, product performance is fluffy, good permeability, with superbright flash effect.Degree of profile=(1-r/R) × 100%；Wherein：r
It is inscribed circle radius, R is circumscribed radius of circle.
Expect fine-denier porous trilobal chinlon 6 filament, it is sufficiently small that the hole of the trilobal of spinneret to be designed, and
Degree of profile is sufficiently high, and the draw ratio of pore is big.Requirement of the invention, the feature of pore is：Leaf width is A=
0.06mm, a length of B=0.27mm of leaf, the arc transition radius R=0.15mm between blade and blade, the draw ratio L/ of pore
D is 3.
A kind of production method of fine-denier porous superbright light trilobal chinlon 6 filament, methods described comprises the following steps：
Step 1, it is that 2.48 ± 0.02, the spinning-grade chinlon 6 section of moisture content≤500ppm puts into feed bin by relative viscosity,
Melting is heated by screw extruder and sends into spinning manifold through melt distribution line；The step 1 is specially：It is by relative viscosity
2.48 ± 0.02, the spinning-grade chinlon 6 section input feed bin of moisture content≤500ppm, by screw extruder heating melting through melt
Distribution duct sends into spinning manifold；Each area's temperature range of screw extruder is 240~255 DEG C.
Step 2, melt enter filament spinning component in spinning manifold, are sprayed through the spinneret orifice in three leaf sections on filament spinning component；
The step 2 is specially：Melt enters filament spinning component in spinning manifold, is sprayed through the spinneret orifice in three leaf sections, the row of spinneret orifice
Row mode is " circle "；Metal sand thickness sand proportioning is 1 in filament spinning component:2, coarse sand size is 60~80 mesh, and fine sand size is
80~100 mesh.
Step 3, with side-blown air cooling trifoil cross-section as-spun fibre, the fiber after cooling enters spinning after being oiled through oil nozzle
Path；The step 3 is specially：With side-blown air cooling trifoil cross-section as-spun fibre, the movement velocity of melt stream during cooling
3300~3600m/min is accelerated to by 100~130m/min, the fiber after cooling enters spinning shaft after being oiled through oil nozzle；Side
17~19 DEG C of blowing temperature, rheumatism 70~80%, 0.6~0.7m/s of wind speed, spinning tension is controlled in 1.3~2.0cN；Oil nozzle boundling
Oil 150~240cm of positional distance spinneret.
Step 4, the tow of spinning shaft are wound into by completing one-step method after chilling roller, hot-rolling, network equipment, jockey pulley
Type.The step 4 is specially：Tow is by completing one-step method coiling and molding after chilling roller, hot-rolling, network equipment, jockey pulley；Its is cold
Roller 3600~3800m/min of rotating speed, hot-rolling 4000~4250m/min of rotating speed, jockey pulley 3950~4230m/min of rotating speed, winding
3900~4200m/min of speed.
Wherein, the 3.5~4.0cN/dtex of fracture strength of the chinlon 6 filament, yarn unevenness≤1.8%, boiling water is received
Shrinkage 8~13%, 6~8/m of internet pricing, oil content 1.8~2.2%, degree of profile 20%~30%, filament number be 0.8~
1.2D。
The present invention is done below by two examples is further described in detail：
Embodiment 1
Specification 30D/34F, filament number 0.89D, degree of profile are that 20% trilobal has light chinlon 6 filament production method such as
Under, technological process refers to Fig. 1；
The spinning-grade chinlon 6 section that relative viscosity is 2.48 ± 0.02, moisture content≤500ppm is put into feed bin, by screw rod
Extruder heating melting sends into spinning manifold through melt distribution line；Each area's temperature range of screw extruder be 242,247,
250、252、252℃；
Melt enters filament spinning component in spinning manifold, is sprayed through the spinneret orifice in three leaf sections, and spinneret face internal diameter is
70mm, the arrangement mode of spinneret orifice is " circle ", and hole gauge lattice are with shown in " feature of pore "；Five layers of mistake are housed in filament spinning component
The thickness metal sand of filter screen, layer of non-woven fabric and certain proportion mixing.Thickness sand proportioning is 1:1.6, coarse sand size is 60~80
Mesh, fine sand size is 80~100 mesh；
With side-blown air cooling trifoil cross-section as-spun fibre, make melt stream solidificating fiber in high-speed motion, it is side-blown
Air temperature, humidity, speed be respectively 16 DEG C, 90%, 0.65m/s.Spinning tension is 1.1~1.3cN, the collection of filaments after cooling
Into spinning shaft after oiling, oil concentration 10%, oil drop is apart from spinneret 160cm on boundling；
Tow is by completing one-step method coiling and molding after chilling roller, hot-rolling, network equipment, jockey pulley；Its chilling roller rotating speed
3600m/min, hot-rolling rotating speed 4253m/min, jockey pulley rotating speed 4230m/min, winding speed 4200m/min, heat roller temperature 145
DEG C, draw ratio 1.154.
The product quality indicator of embodiment 1 is as shown in table 1：
Table 1
Embodiment 2
Specification 40D/34F, filament number 1.18D, degree of profile are that 30% trilobal has light chinlon 6 filament production method such as
Under, technological process refers to Fig. 1；
The spinning-grade chinlon 6 section that relative viscosity is 2.48 ± 0.02, moisture content≤500ppm is put into feed bin, by screw rod
Extruder heating melting sends into spinning manifold through melt distribution line；Each area's temperature range of screw extruder be 242,247,
250、252、252℃；
Melt enters filament spinning component in spinning manifold, is sprayed through the spinneret orifice in three leaf sections, and spinneret face internal diameter is
70mm, the arrangement mode of spinneret orifice is " circle ", and hole gauge lattice are with shown in " feature of pore "；Equipped with five layers of filtering in component
The thickness metal sand of net, layer of non-woven fabric and certain proportion mixing.Thickness sand proportioning is 1:1.8, coarse sand size is 60~80 mesh,
Fine sand size is 80~100 mesh；
With side-blown air cooling trifoil cross-section as-spun fibre, make melt stream solidificating fiber in high-speed motion, it is side-blown
Air temperature, humidity, speed be respectively 16 DEG C, 90%, 0.65m/s.Spinning tension is 1.5~1.7cN, the collection of filaments after cooling
Into spinning shaft after oiling, oil concentration 10%, oil drop is apart from spinneret 180cm on boundling；
Tow is by completing one-step method coiling and molding after chilling roller, hot-rolling, network equipment, jockey pulley；Its chilling roller rotating speed
3560m/min, hot-rolling rotating speed 4285m/min, jockey pulley rotating speed 4240m/min, winding speed 4200m/min, heat roller temperature 152
DEG C, draw ratio 1.203.
The product quality indicator of embodiment 2 is as shown in table 2：
Table 2
Special-shaped spinneret orifice in the present invention is reasonable in design, and melt stream forming effect is good, it is ensured that tow obtains good
Spinnability, meet after road processing request；Fine-denier porous superbright light trilobal of the invention has light chinlon 6 filament sectional view as schemed
Shown in 3.The section of silk is trilobal, bulkiness, good permeability, with superbright flash effect.
Although the foregoing describing specific embodiment of the invention, those familiar with the art should manage
Solution, the specific embodiment described by us is merely exemplary, and rather than for the restriction to the scope of the present invention, is familiar with this
The technical staff in field should be covered of the invention in the equivalent modification and change made according to spirit of the invention
In scope of the claimed protection.
Claims (6)
1. a kind of production method of fine-denier porous superbright light trilobal chinlon 6 filament, it is characterised in that：Methods described includes as follows
Step：
Step 1, it is that 2.48 ± 0.02, the spinning-grade chinlon 6 section of moisture content≤500ppm puts into feed bin by relative viscosity, by spiral shell
The heating melting of bar extruder sends into spinning manifold through melt distribution line；
Step 2, melt enter filament spinning component in spinning manifold, are sprayed through the spinneret orifice in three leaf sections on filament spinning component；
Step 3, with side-blown air cooling trifoil cross-section as-spun fibre, the fiber after cooling enters spinning river in Zhejiang Province after being oiled through oil nozzle
Road；
Step 4, the tow of spinning shaft are by completing one-step method coiling and molding after chilling roller, hot-rolling, network equipment, jockey pulley.
2. a kind of production method of fine-denier porous superbright light trilobal chinlon 6 filament according to claim 1, its feature exists
In：The step 1 is specially：By the spinning-grade chinlon 6 section input that relative viscosity is 2.48 ± 0.02, moisture content≤500ppm
Feed bin, heats melting and sends into spinning manifold through melt distribution line by screw extruder；Each area's temperature range of screw extruder
It is 240~255 DEG C.
3. a kind of production method of fine-denier porous superbright light trilobal chinlon 6 filament according to claim 1, its feature exists
In：The step 2 is specially：Melt enters filament spinning component in spinning manifold, is sprayed through the spinneret orifice in three leaf sections, spinneret orifice
Arrangement mode is " circle "；Metal sand thickness sand proportioning is 1 in filament spinning component:2, coarse sand size is 60~80 mesh, fine sand size
It is 80~100 mesh.
4. a kind of production method of fine-denier porous superbright light trilobal chinlon 6 filament according to claim 1, its feature exists
In：The step 3 is specially：With side-blown air cooling trifoil cross-section as-spun fibre, during cooling the movement velocity of melt stream by
100~130m/min accelerates to 3300~3600m/min, and the fiber after cooling enters spinning shaft after being oiled through oil nozzle；It is side-blown
17~19 DEG C of wind-warm syndrome, rheumatism 70~80%, 0.6~0.7m/s of wind speed, spinning tension is controlled in 1.3~2.0cN；On oil nozzle boundling
150~240cm of oily positional distance spinneret.
5. a kind of production method of fine-denier porous superbright light trilobal chinlon 6 filament according to claim 1, its feature exists
In：The step 4 is specially：Tow is by completing one-step method coiling and molding after chilling roller, hot-rolling, network equipment, jockey pulley；Its is cold
Roller 3600~3800m/min of rotating speed, hot-rolling 4000~4250m/min of rotating speed, jockey pulley 3950~4230m/min of rotating speed, winding
3900~4200m/min of speed.
6. a kind of production method of fine-denier porous superbright light trilobal chinlon 6 filament according to claim 1, its feature exists
In：3.5~the 4.0cN/dtex of fracture strength of the chinlon 6 filament, yarn unevenness≤1.8%, boiling water shrinkage 8~
13%, 6~8/m of internet pricing, oil content 1.8~2.2%, degree of profile 20%~30%, filament number is 0.8~1.2D.
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| CN201710059896.4A CN106835309A (en) | 2017-01-24 | 2017-01-24 | A kind of production method of fine-denier porous superbright light trilobal chinlon 6 filament |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108950706A (en) * | 2018-09-07 | 2018-12-07 | 福建锦江科技有限公司 | A kind of preparation process of imitative wool nylon fibre |
| CN110938889A (en) * | 2019-12-09 | 2020-03-31 | 福建锦江科技有限公司 | Special-shaped chinlon 6 filament and preparation method thereof |
| CN110965187A (en) * | 2019-12-29 | 2020-04-07 | 江苏恒力化纤股份有限公司 | Preparation method of corduroy fabric |
| CN110983548A (en) * | 2019-12-29 | 2020-04-10 | 江苏恒力化纤股份有限公司 | Preparation method of medical easily-torn cloth |
| CN111235651A (en) * | 2019-01-10 | 2020-06-05 | 光山县群力化纤有限公司 | Production method of 8D chinlon 6 super-bright trilobal monofilament |
| WO2021135084A1 (en) * | 2019-12-29 | 2021-07-08 | 江苏恒力化纤股份有限公司 | Fiber for medical antibacterial fabric and preparation method therefor |
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| CN201598353U (en) * | 2010-01-18 | 2010-10-06 | 北京三联虹普纺织化工技术有限公司 | Nylon-6 porous fine denier bright trilobal profiled spinneret plate |
| CN103774255A (en) * | 2014-02-14 | 2014-05-07 | 苏州大学 | Double-wave-line-shaped nylon-6 filament and preparation method thereof |
| CN105442071A (en) * | 2016-01-06 | 2016-03-30 | 长乐力恒锦纶科技有限公司 | Imitation rabbit hair chinlon 6 fiber and production method of imitation rabbit hair chinlon 6 fiber |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108950706A (en) * | 2018-09-07 | 2018-12-07 | 福建锦江科技有限公司 | A kind of preparation process of imitative wool nylon fibre |
| CN111235651A (en) * | 2019-01-10 | 2020-06-05 | 光山县群力化纤有限公司 | Production method of 8D chinlon 6 super-bright trilobal monofilament |
| CN110938889A (en) * | 2019-12-09 | 2020-03-31 | 福建锦江科技有限公司 | Special-shaped chinlon 6 filament and preparation method thereof |
| CN110965187A (en) * | 2019-12-29 | 2020-04-07 | 江苏恒力化纤股份有限公司 | Preparation method of corduroy fabric |
| CN110983548A (en) * | 2019-12-29 | 2020-04-10 | 江苏恒力化纤股份有限公司 | Preparation method of medical easily-torn cloth |
| WO2021135084A1 (en) * | 2019-12-29 | 2021-07-08 | 江苏恒力化纤股份有限公司 | Fiber for medical antibacterial fabric and preparation method therefor |
| CN110965187B (en) * | 2019-12-29 | 2021-07-16 | 江苏恒力化纤股份有限公司 | Preparation method of corduroy fabric |
| CN110983548B (en) * | 2019-12-29 | 2021-08-13 | 江苏恒力化纤股份有限公司 | Preparation method of medical easily-torn cloth |
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