CN107964689A - A kind of one-step method prepares different contraction fully drawn yarn preparation method and its special spinning jet - Google Patents
A kind of one-step method prepares different contraction fully drawn yarn preparation method and its special spinning jet Download PDFInfo
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- CN107964689A CN107964689A CN201711422880.1A CN201711422880A CN107964689A CN 107964689 A CN107964689 A CN 107964689A CN 201711422880 A CN201711422880 A CN 201711422880A CN 107964689 A CN107964689 A CN 107964689A
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- Prior art keywords
- shaped
- spinneret orifice
- saw tooth
- tooth form
- drawn yarn
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000008602 contraction Effects 0.000 title claims abstract description 33
- 238000009987 spinning Methods 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 229920000728 polyester Polymers 0.000 claims abstract description 22
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 57
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 45
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 230000032050 esterification Effects 0.000 claims description 10
- 238000005886 esterification reaction Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 7
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 6
- 241000108463 Hygrophila <snail> Species 0.000 claims description 5
- 229910052787 antimony Inorganic materials 0.000 claims description 5
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 5
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 5
- 238000006068 polycondensation reaction Methods 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- 239000003381 stabilizer Substances 0.000 claims description 5
- 208000011580 syndromic disease Diseases 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000000835 fiber Substances 0.000 description 18
- 239000005020 polyethylene terephthalate Substances 0.000 description 8
- 229920004933 Terylene® Polymers 0.000 description 5
- UXFQFBNBSPQBJW-UHFFFAOYSA-N 2-amino-2-methylpropane-1,3-diol Chemical compound OCC(N)(C)CO UXFQFBNBSPQBJW-UHFFFAOYSA-N 0.000 description 4
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 description 4
- 229920004934 Dacron® Polymers 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000004069 differentiation Effects 0.000 description 2
- 210000004209 hair Anatomy 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000014759 maintenance of location Effects 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
- 238000005453 pelletization Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
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
- D01D5/253—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
- D01D1/00—Treatment of filament-forming or like material
- D01D1/04—Melting filament-forming substances
-
- 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
- D01D1/06—Feeding liquid to the spinning head
- D01D1/09—Control of pressure, temperature or feeding rate
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The present invention relates to a kind of preparation method, more particularly to a kind of one-step method to prepare different contraction fully drawn yarn preparation method and its special spinning jet.Carry out according to the following steps:Polyester fondant preparation → melt conveying → spinning process.A kind of one-step method prepares different contraction fully drawn yarn preparation method and its special spinning jet is compact-sized, improves production stability, while lift product quality.
Description
Technical field
The present invention relates to a kind of preparation method, more particularly to a kind of one-step method prepare different contraction fully drawn yarn preparation method and
Its special spinning jet.
Background technology
The style and fabric of clothes continue to introduce new, and people open the natural fiber function such as silk, cotton, wool
Hair is utilized close to the limit, and the technological innovation of chemical fibre is maked rapid progress, and has been catered to people and has been pursued comfortable, modish, individual character
The demand of change.Terylene is due to the rigidity of structure, and in use there are Boardy Feeling, dye uptake is low, poor air permeability, and hygroscopic capacity is small
The shortcomings of.By fibre in differentiation technology of preparing terylene product can be made to obtain the special-effect that conventional fibre is unable to reach.
In terms of preparing wool-like fabric, terylene shows more poor performance opposite sex as preferred chemical fibre.Combined yarn is in recent years
Imitative hair is prepared in wool-like fabric to get most of the attention, its product shows the performances such as fabulous covering, fluffy degree, warmth retention property.
Combined yarn blended and silk method more using fully drawn yarn-draw textured yarn (FDY-DTY), by obtain two kinds of warps
It is made by the fiber of Different Heat Treatment Conditions after doubling winder mixes fibre.FDY-DTY raw materials therein may be selected different line densities,
The fiber of varying cross-section shape, by downstream dyeing and printing process process, under wet heat condition, FDY-DTY fiber utilizations itself are not
Same thermal contraction performance, can form the shrinking percentage of otherness, i.e. the small fiber of shrinking percentage twines the table for being attached to the larger fiber of shrinking percentage
Face, forms more looped pile fluff structures.Especially when surface fiber line density fine-denier, human body sense of touch exquisiteness is dry and comfortable.In fabric
Portion is there are more gap, good hand feeling, and light-weight, can be widely used for the high-grade emulation chemical fiber plus material of hair, fiber crops, silk, suede type, is
A kind of function is more, the higher fibre in differentiation of added value.
The method of common production combined yarn has false twisting and twists with the fingers, the mode such as air-flow interlacing.Compared with these methods, a step
Method spinning dacron thread then more economical and convenient, and effect is more preferable.Different-shrinkage of one-step method dacron thread is used with the different hole spinning of plate
Method, combined diameter is different on same spinneret, variform spinneret orifice, and the difference by controlling monofilament linear density reaches
To different contraction, the purpose of abnormity.The different contraction fully drawn yarn spinneret that this patent is related to, by way of the different hole of same plate, takes
The mode that fine-denier spinneret orifice and special-shaped spinneret orifice combine, one-step method are prepared with different line density, different shape of cross section, different thermal contraction
The fiber of performance.One-step technology, yield is high, flow is short, product quality is stablized, and manufactured goods not only have the performance of different contraction,
Also there is soft, diameter is thin, good bulkiness, richness, spreadability and thermal property, be the reason for weaving wool-like fabric
Think raw material.
The content of the invention
The present invention mainly solves the deficiencies in the prior art, there is provided and it is a kind of compact-sized, utilize fused mass directly spinning
Method, by designing perforated sectional spinneret, the features such as assigning the different section of fiber, line density, shrinking percentage difference, for washing
For synthetic fibre fused mass directly spinning, for one-step method since its investment cost is smaller, technological process is short, and eliminate Cast Strip pelletizing, chip drying,
The processes such as screw rod melting extrusion, melt is not aqueous and dust, production are stablized, and production efficiency is high, and cost is low, therefore, utilizes melt
A kind of straight one-step method for spinning the high added value that dacron product can be achieved in the porous different contraction terylene silk of One-step production abnormity prepares different
Shrink fully drawn yarn preparation method and its special spinning jet.
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals:
A kind of one-step method prepares different contraction fully drawn yarn preparation method, carries out according to the following steps:
(1) prepared by polyester fondant:
The molar ratio of ethylene glycol and terephthalic acid (TPA) is 1.4 in polyester, by load weighted PTA (terephthalic acid (TPA)), PDO
(ammediol), EG (ethylene glycol), catalyst glycol antimony (400ppm), tetrabutyl titanate (300ppm), stabilizer tricresyl phosphate
Methyl esters puts into reaction kettle, N2Bubbling is esterified into line replacement under 240~250 DEG C, 150KPa;
When the esterification water of collection gets to theoretical water yield 95%, stop reaction, record esterification time;Slowly take out true
Sky, temperature rise to 273 DEG C~278 DEG C, and pressure carries out polycondensation reaction in 180Pa (absolute pressure), reaches rated value to agitator power,
Viscosity is measured, polyester fondant is made;
(2) melt conveying:
Polyester fondant is 280 ± 2 DEG C of conveyance conduits through temperature, and flow control is in 16m3/ h, through 20 mesh fondant filters, and
Melt pressure is increased to by 19.0MPa by melt booster pump, then through two melt heat exchangers, melt temperature is maintained at 287
±1℃;
(3) spinning process:
Melt passes through filament spinning component, sand loading amount (30~60)/80g (60~80)/80g (40~80)/50g, using different receipts
Contracting spinneret, model:Circular hole 0.15*0.62;Three leaf hole 0.5*0.07*0.14, five corner saw tooth form 0.3*0.23* of U-shaped
0.035*0.07*0.05;And in wind-warm syndrome be 21 DEG C, humidity 90%, under the conditions of wind speed is the blowing of 0.5m/s, control first is led
The speed of silk is 1580m/min, and the speed of the second seal wire is 1595m/min, and 57.0 DEG C, the speed of the 3rd seal wire is 2450m/
Min, 65.5 DEG C, the speed of the 4th seal wire is 4050m/min, 135.0 DEG C, and the speed of the 5th seal wire is 4150m/min, 135.0
DEG C, the speed of the 6th seal wire is 4160m/min, and the speed of the 7th seal wire is 4165m/min;
Oil applying rate 8%, winding, falls silk, obtains different contraction fully drawn yarn finished product.
A kind of one-step method prepares the special spinning jet of different contraction fully drawn yarn, including plate body, the inner of the plate body are set
There are some three-lobed structure spinneret orifices, the outside of the three-lobed structure spinneret orifice is equipped with hollow five corner saw tooth form spinneret of U-shaped
Hole, is equipped with some continuously distributed circular spinneret orifices, the three-lobed structure spinneret orifice and hollow U-shaped five in the plate body
Corner saw tooth form spinneret orifice is in some circular spinneret orifices.
Preferably, described its height of three-lobed structure spinneret orifice is 3.0~3.6mm, aperture for 0.45~
0.5mm。
Preferably, described five its opening angle of corner saw tooth form spinneret orifice of hollow U-shaped is 30 °, hollow five corner saw tooth of U-shaped
Shape spinneret orifice is made of inner circle and five corner saw tooth form of outer U-shaped, wherein, outer five jiaos of zigzag outer walls of U-shaped separately divide equipped with 5
The sawtooth grooves of cloth;
The zigzag a diameter of R0 of inner circle of five jiaos of the hollow U-shaped is 0.14~0.19mm, hole depth for 0.50~
0.62mm;
Described five jiaos of zigzag internal diameters of outer U-shaped are 1.5mm, and outside diameter 2mm, sawtooth grooves width is 0.25mm, long
Spend for 0.5mm, be evenly distributed on U-shaped outer edge.
Preferably, the circular spinneret orifice is identical with the interior circular diameter in hollow five corner saw tooth form spinneret orifice of U-shaped.
Preferably, the plate body is the mode of Two bors d's oeuveres arrangement, the half of plate body is a synnema, three-lobed structure spinneret
Hole and three-lobed structure spinneret orifice are internally positioned, and the less circular hole arrangement of diameter and outside, form and surround.
Polyester filament is as a kind of important taking fiber, and in terms of its comfortable, beautiful, style gracefulness is improved, the world is each
The different sections of many research work, different line density, different contraction terylene long filament are doing in terms of comprehensive performance in the manufacturing enterprise of state
Strong point it is very prominent.
Therefore, it is tight to prepare different contraction fully drawn yarn preparation method and its special spinning jet, structure for a kind of one-step method of the present invention
Gather, improve production stability, while lift product quality.
Brief description of the drawings
Fig. 1 is special spinneret plate structure schematic diagram in the present invention.
Embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment 1:A kind of one-step method prepares different contraction fully drawn yarn preparation method, carries out according to the following steps:
(1) prepared by polyester fondant:
The molar ratio of ethylene glycol and terephthalic acid (TPA) is 1.4 in polyester, by load weighted PTA (terephthalic acid (TPA)), PDO
(ammediol), EG (ethylene glycol), catalyst glycol antimony (400ppm), tetrabutyl titanate (300ppm), stabilizer tricresyl phosphate
Methyl esters puts into reaction kettle, N2Bubbling is esterified into line replacement under 240 DEG C, 150KPa;
When the esterification water of collection gets to theoretical water yield 95%, stop reaction, record esterification time;Slowly take out true
Sky, temperature rise to 273 DEG C, and pressure carries out polycondensation reaction in 180Pa (absolute pressure), reach rated value to agitator power, measurement is viscous
Degree, is made polyester fondant;
(2) melt conveying:
Polyester fondant is 280 ± 2 DEG C of conveyance conduits through temperature, and flow control is in 16m3/ h, through 20 mesh fondant filters, and
Melt pressure is increased to by 19.0MPa by melt booster pump, then through two melt heat exchangers, melt temperature is maintained at 287
±1℃;
(3) spinning process:
Melt passes through filament spinning component, sand loading amount (30~60)/80g (60~80)/80g (40~80)/50g, using different receipts
Contracting spinneret, model:Circular hole 0.15*0.62;Three leaf hole 0.5*0.07*0.14, five corner saw tooth form 0.3*0.23* of U-shaped
0.035*0.07*0.05;And in wind-warm syndrome be 21 DEG C, humidity 90%, under the conditions of wind speed is the blowing of 0.5m/s, control first is led
The speed of silk is 1580m/min, and the speed of the second seal wire is 1595m/min, and 57.0 DEG C, the speed of the 3rd seal wire is 2450m/
Min, 65.5 DEG C, the speed of the 4th seal wire is 4050m/min, 135.0 DEG C, and the speed of the 5th seal wire is 4150m/min, 135.0
DEG C, the speed of the 6th seal wire is 4160m/min, and the speed of the 7th seal wire is 4165m/min;
Oil applying rate 8%, winding, falls silk, obtains different contraction fully drawn yarn finished product.
A kind of one-step method prepares the special spinning jet of different contraction fully drawn yarn, including plate body 1, the inner of the plate body 1
Equipped with some three-lobed structure spinneret orifices 2, the outside of the three-lobed structure spinneret orifice 2 is equipped with hollow five corner saw tooth form of U-shaped
Spinneret orifice 3, is equipped with some continuously distributed circular spinneret orifices 4,2 He of three-lobed structure spinneret orifice in the plate body 1
Hollow five corner saw tooth form spinneret orifice 3 of U-shaped is in some circular spinneret orifices 4.
Described its height of 2 hole of three-lobed structure spinneret is 3.0mm, aperture 0.45mm.
Described five corner saw tooth form spinneret orifice of hollow U-shaped, 3 its opening angle is 30 °, hollow five corner saw tooth form spinneret orifice of U-shaped
3 are made of inner circle 5 and five corner saw tooth form 6 of outer U-shaped, wherein, the outer wall of outer five corner saw tooth form 6 of U-shaped is equipped with 5 and is separately distributed
Sawtooth grooves 7;
The a diameter of R0 of inner circle of the five corner saw tooth form 6 of hollow U-shaped is 0.14mm, hole depth 0.50mm;
The internal diameter of the five corner saw tooth form 6 of outer U-shaped is 1.5mm, and outside diameter 2mm, 7 width of sawtooth grooves is 0.25mm,
Length is 0.5mm, is evenly distributed on U-shaped outer edge.
The circular spinneret orifice 4 is identical with the interior circular diameter in hollow five corner saw tooth form spinneret orifice 3 of U-shaped.
The plate body 1 is the mode of Two bors d's oeuveres arrangement, and the half of plate body 1 is a synnema, and three-lobed structure spinneret orifice 2 is with
Empty five corner saw tooth form spinneret orifice 3 of U-shaped is internally positioned, and the less circular spinneret orifice 4 of diameter is arranged and outside, is formed and surrounded.
Embodiment 2:A kind of one-step method prepares different contraction fully drawn yarn preparation method, carries out according to the following steps:
(1) prepared by polyester fondant:
The molar ratio of ethylene glycol and terephthalic acid (TPA) is 1.4 in polyester, by load weighted PTA (terephthalic acid (TPA)), PDO
(ammediol), EG (ethylene glycol), catalyst glycol antimony (400ppm), tetrabutyl titanate (300ppm), stabilizer tricresyl phosphate
Methyl esters puts into reaction kettle, N2Bubbling is esterified into line replacement under 245 DEG C, 150KPa;
When the esterification water of collection gets to theoretical water yield 95%, stop reaction, record esterification time;Slowly take out true
Sky, temperature rise to 275 DEG C, and pressure carries out polycondensation reaction in 180Pa (absolute pressure), reach rated value to agitator power, measurement is viscous
Degree, is made polyester fondant;
(2) melt conveying:
Polyester fondant is 280 ± 2 DEG C of conveyance conduits through temperature, and flow control is in 16m3/ h, through 20 mesh fondant filters, and
Melt pressure is increased to by 19.0MPa by melt booster pump, then through two melt heat exchangers, melt temperature is maintained at 287
±1℃;
(3) spinning process:
Melt passes through filament spinning component, sand loading amount (30~60)/80g (60~80)/80g (40~80)/50g, using different receipts
Contracting spinneret, model:Circular hole 0.15*0.62;Three leaf hole 0.5*0.07*0.14, five corner saw tooth form 0.3*0.23* of U-shaped
0.035*0.07*0.05;And in wind-warm syndrome be 21 DEG C, humidity 90%, under the conditions of wind speed is the blowing of 0.5m/s, control first is led
The speed of silk is 1580m/min, and the speed of the second seal wire is 1595m/min, and 57.0 DEG C, the speed of the 3rd seal wire is 2450m/
Min, 65.5 DEG C, the speed of the 4th seal wire is 4050m/min, 135.0 DEG C, and the speed of the 5th seal wire is 4150m/min, 135.0
DEG C, the speed of the 6th seal wire is 4160m/min, and the speed of the 7th seal wire is 4165m/min;
Oil applying rate 8%, winding, falls silk, obtains different contraction fully drawn yarn finished product.
A kind of one-step method prepares the special spinning jet of different contraction fully drawn yarn, including plate body 1, the inner of the plate body 1
Equipped with some three-lobed structure spinneret orifices 2, the outside of the three-lobed structure spinneret orifice 2 is equipped with hollow five corner saw tooth form of U-shaped
Spinneret orifice 3, is equipped with some continuously distributed circular spinneret orifices 4,2 He of three-lobed structure spinneret orifice in the plate body 1
Hollow five corner saw tooth form spinneret orifice 3 of U-shaped is in some circular spinneret orifices 4.
Described its height of 2 hole of three-lobed structure spinneret is 3.3mm, aperture 0.47mm.
Described five corner saw tooth form spinneret orifice of hollow U-shaped, 3 its opening angle is 30 °, hollow five corner saw tooth form spinneret orifice of U-shaped
3 are made of inner circle 5 and five corner saw tooth form 6 of outer U-shaped, wherein, the outer wall of outer five corner saw tooth form 6 of U-shaped is equipped with 5 and is separately distributed
Sawtooth grooves 7;
The a diameter of R0 of inner circle of the five corner saw tooth form 6 of hollow U-shaped is 0.16mm, hole depth 0.55mm;
The internal diameter of the five corner saw tooth form 6 of outer U-shaped is 1.5mm, and outside diameter 2mm, 7 width of sawtooth grooves is 0.25mm,
Length is 0.5mm, is evenly distributed on U-shaped outer edge.
The circular spinneret orifice 4 is identical with the interior circular diameter in hollow five corner saw tooth form spinneret orifice 3 of U-shaped.
The plate body 1 is the mode of Two bors d's oeuveres arrangement, and the half of plate body 1 is a synnema, and three-lobed structure spinneret orifice 2 is with
Empty five corner saw tooth form spinneret orifice 3 of U-shaped is internally positioned, and the less circular spinneret orifice 4 of diameter is arranged and outside, is formed and surrounded.
Embodiment 3:A kind of one-step method prepares different contraction fully drawn yarn preparation method, carries out according to the following steps:
(1) prepared by polyester fondant:
The molar ratio of ethylene glycol and terephthalic acid (TPA) is 1.4 in polyester, by load weighted PTA (terephthalic acid (TPA)), PDO
(ammediol), EG (ethylene glycol), catalyst glycol antimony (400ppm), tetrabutyl titanate (300ppm), stabilizer tricresyl phosphate
Methyl esters puts into reaction kettle, N2Bubbling is esterified into line replacement under 250 DEG C, 150KPa;
When the esterification water of collection gets to theoretical water yield 95%, stop reaction, record esterification time;Slowly take out true
Sky, temperature rise to 278 DEG C, and pressure carries out polycondensation reaction in 180Pa (absolute pressure), reach rated value to agitator power, measurement is viscous
Degree, is made polyester fondant;
(2) melt conveying:
Polyester fondant is 280 ± 2 DEG C of conveyance conduits through temperature, and flow control is in 16m3/ h, through 20 mesh fondant filters, and
Melt pressure is increased to by 19.0MPa by melt booster pump, then through two melt heat exchangers, melt temperature is maintained at 287
±1℃;
(3) spinning process:
Melt passes through filament spinning component, sand loading amount (30~60)/80g (60~80)/80g (40~80)/50g, using different receipts
Contracting spinneret, model:Circular hole 0.15*0.62;Three leaf hole 0.5*0.07*0.14, five corner saw tooth form 0.3*0.23* of U-shaped
0.035*0.07*0.05;And in wind-warm syndrome be 21 DEG C, humidity 90%, under the conditions of wind speed is the blowing of 0.5m/s, control first is led
The speed of silk is 1580m/min, and the speed of the second seal wire is 1595m/min, and 57.0 DEG C, the speed of the 3rd seal wire is 2450m/
Min, 65.5 DEG C, the speed of the 4th seal wire is 4050m/min, 135.0 DEG C, and the speed of the 5th seal wire is 4150m/min, 135.0
DEG C, the speed of the 6th seal wire is 4160m/min, and the speed of the 7th seal wire is 4165m/min;
Oil applying rate 8%, winding, falls silk, obtains different contraction fully drawn yarn finished product.
A kind of one-step method prepares the special spinning jet of different contraction fully drawn yarn, including plate body 1, the inner of the plate body 1
Equipped with some three-lobed structure spinneret orifices 2, the outside of the three-lobed structure spinneret orifice 2 is equipped with hollow five corner saw tooth form of U-shaped
Spinneret orifice 3, is equipped with some continuously distributed circular spinneret orifices 4,2 He of three-lobed structure spinneret orifice in the plate body 1
Hollow five corner saw tooth form spinneret orifice 3 of U-shaped is in some circular spinneret orifices 4.
Described its height of 2 hole of three-lobed structure spinneret is 3.6mm, aperture 0.5mm.
Described five corner saw tooth form spinneret orifice of hollow U-shaped, 3 its opening angle is 30 °, hollow five corner saw tooth form spinneret orifice of U-shaped
3 are made of inner circle 5 and five corner saw tooth form 6 of outer U-shaped, wherein, the outer wall of outer five corner saw tooth form 6 of U-shaped is equipped with 5 and is separately distributed
Sawtooth grooves 7;
The a diameter of R0 of inner circle of the five corner saw tooth form 6 of hollow U-shaped is 0.19mm, hole depth 0.62mm;
The internal diameter of the five corner saw tooth form 6 of outer U-shaped is 1.5mm, and outside diameter 2mm, 7 width of sawtooth grooves is 0.25mm,
Length is 0.5mm, is evenly distributed on U-shaped outer edge.
The circular spinneret orifice 4 is identical with the interior circular diameter in hollow five corner saw tooth form spinneret orifice 3 of U-shaped.
The plate body 1 is the mode of Two bors d's oeuveres arrangement, and the half of plate body 1 is a synnema, and three-lobed structure spinneret orifice 2 is with
Empty five corner saw tooth form spinneret orifice 3 of U-shaped is internally positioned, and the less circular spinneret orifice 4 of diameter is arranged and outside, is formed and surrounded.
Claims (6)
1. a kind of one-step method prepares different contraction fully drawn yarn preparation method, it is characterised in that carries out according to the following steps:
(1) prepared by polyester fondant:
The molar ratio of ethylene glycol and terephthalic acid (TPA) is 1.4 in polyester, by load weighted PTA (terephthalic acid (TPA)), PDO (3- third
Glycol), EG (ethylene glycol), catalyst glycol antimony (400ppm), tetrabutyl titanate (300ppm), stabilizer trimethyl phosphate throw
Enter reaction kettle, N2Bubbling is esterified into line replacement under 240~250 DEG C, 150KPa;
When the esterification water of collection gets to theoretical water yield 95%, stop reaction, record esterification time;Slowly vacuumize,
Temperature rises to 273 DEG C~278 DEG C, and pressure carries out polycondensation reaction in 180Pa (absolute pressure), reaches rated value to agitator power, surveys
Viscosity is measured, polyester fondant is made;
(2) melt conveying:
Polyester fondant is 280 ± 2 DEG C of conveyance conduits through temperature, and flow control is in 16m3/ h, through 20 mesh fondant filters, and passes through
Melt pressure is increased to 19.0MPa by melt booster pump, then through two melt heat exchangers, melt temperature is maintained at 287 ± 1
℃;
(3) spinning process:
Melt passes through filament spinning component, and sand loading amount (30~60)/80g (60~80)/80g (40~80)/50g, is sprayed using different contraction
Filament plate, model:Circular hole 0.15*0.62;Three leaf hole 0.5*0.07*0.14, five corner saw tooth form 0.3*0.23*0.035* of U-shaped
0.07*0.05;And wind-warm syndrome be 21 DEG C, humidity 90%, wind speed be 0.5m/s blowing under the conditions of, control the first seal wire speed
To spend for 1580m/min, the speed of the second seal wire is 1595m/min, 57.0 DEG C, and the speed of the 3rd seal wire is 2450m/min, 65.5
DEG C, the speed of the 4th seal wire is 4050m/min, and 135.0 DEG C, the speed of the 5th seal wire is 4150m/min, and 135.0 DEG C, the 6th leads
The speed of silk is 4160m/min, and the speed of the 7th seal wire is 4165m/min;
Oil applying rate 8%, winding, falls silk, obtains different contraction fully drawn yarn finished product.
2. a kind of one-step method according to claim 1 prepares the special spinning jet of different contraction fully drawn yarn, it is characterised in that:
Including plate body (1), the inner of the plate body (1) is equipped with some three-lobed structure spinneret orifices (2), three-lobed structure spray
The outside of wire hole (2) is equipped with hollow five corner saw tooth form spinneret orifice (3) of U-shaped, is equipped with the plate body (1) some continuously distributed
Circular spinneret orifice (4), the three-lobed structure spinneret orifice (2) and five corner saw tooth form spinneret orifice (3) of hollow U-shaped are embedded in some circles
In shape spinneret orifice (4).
3. a kind of one-step method according to claim 2 prepares the special spinning jet of different contraction fully drawn yarn, it is characterised in that:
Described its height of three-lobed structure spinneret (2) hole is 3.0~3.6mm, and aperture is 0.45~0.5mm.
4. a kind of one-step method according to claim 2 prepares the special spinning jet of different contraction fully drawn yarn, it is characterised in that:
Described hollow U-shaped five corner saw tooth form spinneret orifice (3) its opening angle be 30 °, hollow five corner saw tooth form spinneret orifice (3) of U-shaped by
Inner circle (5) and five corner saw tooth form (6) of outer U-shaped composition, wherein, the outer wall of outer five corner saw tooth form (6) of U-shaped separately divides equipped with 5
The sawtooth grooves (7) of cloth;
The a diameter of R0 of inner circle of the five corner saw tooth form (6) of hollow U-shaped is 0.14~0.19mm, hole depth for 0.50~
0.62mm;
The internal diameter of the five corner saw tooth form (6) of outer U-shaped is 1.5mm, outside diameter 2mm, and sawtooth grooves (7) width is 0.25mm,
Length is 0.5mm, is evenly distributed on U-shaped outer edge.
5. a kind of one-step method according to claim 4 prepares the special spinning jet of different contraction fully drawn yarn, it is characterised in that:
The circular spinneret orifice (4) is identical with the interior circular diameter in hollow five corner saw tooth form spinneret orifice (3) of U-shaped.
6. a kind of one-step method according to claim 2 prepares the special spinning jet of different contraction fully drawn yarn, it is characterised in that:
The plate body (1) is the mode of Two bors d's oeuveres arrangement, and the half of plate body (1) is a synnema, three-lobed structure spinneret orifice (2) and hollow
Five corner saw tooth form spinneret orifice (3) of U-shaped is internally positioned, and less circular spinneret orifice (4) arrangement of diameter and outside, form and surround.
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CN110983598A (en) * | 2019-12-29 | 2020-04-10 | 江苏恒力化纤股份有限公司 | Preparation method of vamp fabric |
CN111118632A (en) * | 2019-12-29 | 2020-05-08 | 江苏恒力化纤股份有限公司 | Rabbit hair-imitated PBT fiber and preparation method thereof |
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CN203559168U (en) * | 2013-10-24 | 2014-04-23 | 慈溪市利腾化纤有限公司 | Chemical fiber spinneret plate |
CN104141175A (en) * | 2013-05-08 | 2014-11-12 | 江苏德力化纤有限公司 | Super-fine denier FDY (fully drawn yarn) spinning equipment and spinning process |
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CN102787383A (en) * | 2011-05-16 | 2012-11-21 | 江苏鹰翔化纤股份有限公司 | 1,2-propylene glycol modified terylene fully drawn yarn |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110983598A (en) * | 2019-12-29 | 2020-04-10 | 江苏恒力化纤股份有限公司 | Preparation method of vamp fabric |
CN111118632A (en) * | 2019-12-29 | 2020-05-08 | 江苏恒力化纤股份有限公司 | Rabbit hair-imitated PBT fiber and preparation method thereof |
CN111118632B (en) * | 2019-12-29 | 2021-12-17 | 江苏恒力化纤股份有限公司 | Rabbit hair-imitated PBT fiber and preparation method thereof |
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